vendor: github.com/containerd/containerd v1.6.9

release notes: https://github.com/containerd/containerd/releases/tag/v1.6.9

full diff: https://github.com/containerd/containerd/compare/v1.6.8...v1.6.9

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-10-24 14:17:46 -04:00
parent 40b3fc727d
commit 04dc007c76
No known key found for this signature in database
GPG key ID: 76698F39D527CE8C
102 changed files with 6737 additions and 3200 deletions

View file

@ -20,7 +20,7 @@ require (
github.com/bsphere/le_go v0.0.0-20200109081728-fc06dab2caa8
github.com/cloudflare/cfssl v0.0.0-20180323000720-5d63dbd981b5
github.com/containerd/cgroups v1.0.4
github.com/containerd/containerd v1.6.8
github.com/containerd/containerd v1.6.9
github.com/containerd/continuity v0.3.0
github.com/containerd/fifo v1.0.0
github.com/containerd/typeurl v1.0.2
@ -85,8 +85,8 @@ require (
golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
golang.org/x/sys v0.0.0-20221006211917-84dc82d7e875
golang.org/x/time v0.0.0-20211116232009-f0f3c7e86c11
google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa
google.golang.org/grpc v1.45.0
google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21
google.golang.org/grpc v1.47.0
gotest.tools/v3 v3.3.0
)
@ -163,7 +163,7 @@ require (
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
google.golang.org/api v0.54.0 // indirect
google.golang.org/appengine v1.6.7 // indirect
google.golang.org/protobuf v1.27.1 // indirect
google.golang.org/protobuf v1.28.0 // indirect
)
replace (

View file

@ -193,6 +193,7 @@ github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4/go.mod h1:6pvJx4me5XP
github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/cncf/xds/go v0.0.0-20211001041855-01bcc9b48dfe/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
github.com/cockroachdb/datadriven v0.0.0-20200714090401-bf6692d28da5 h1:xD/lrqdvwsc+O2bjSSi3YqY73Ke3LAiSCx49aCesA0E=
@ -245,8 +246,8 @@ github.com/containerd/containerd v1.5.1/go.mod h1:0DOxVqwDy2iZvrZp2JUx/E+hS0UNTV
github.com/containerd/containerd v1.5.7/go.mod h1:gyvv6+ugqY25TiXxcZC3L5yOeYgEw0QMhscqVp1AR9c=
github.com/containerd/containerd v1.5.8/go.mod h1:YdFSv5bTFLpG2HIYmfqDpSYYTDX+mc5qtSuYx1YUb/s=
github.com/containerd/containerd v1.6.1/go.mod h1:1nJz5xCZPusx6jJU8Frfct988y0NpumIq9ODB0kLtoE=
github.com/containerd/containerd v1.6.8 h1:h4dOFDwzHmqFEP754PgfgTeVXFnLiRc6kiqC7tplDJs=
github.com/containerd/containerd v1.6.8/go.mod h1:By6p5KqPK0/7/CgO/A6t/Gz+CUYUu2zf1hUaaymVXB0=
github.com/containerd/containerd v1.6.9 h1:IN/r8DUes/B5lEGTNfIiUkfZBtIQJGx2ai703dV6lRA=
github.com/containerd/containerd v1.6.9/go.mod h1:XVicUvkxOrftE2Q1YWUXgZwkkAxwQYNOFzYWvfVfEfQ=
github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
github.com/containerd/continuity v0.0.0-20190815185530-f2a389ac0a02/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
github.com/containerd/continuity v0.0.0-20191127005431-f65d91d395eb/go.mod h1:GL3xCUCBDV3CZiTSEKksMWbLE66hEyuu9qyDOOqM47Y=
@ -405,6 +406,7 @@ github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.m
github.com/envoyproxy/go-control-plane v0.9.9-0.20210217033140-668b12f5399d/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
github.com/envoyproxy/go-control-plane v0.9.9-0.20210512163311-63b5d3c536b0/go.mod h1:hliV/p42l8fGbc6Y9bQ70uLwIvmJyVE5k4iMKlh8wCQ=
github.com/envoyproxy/go-control-plane v0.9.10-0.20210907150352-cf90f659a021/go.mod h1:AFq3mo9L8Lqqiid3OhADV3RfLJnjiw63cSpi+fDTRC0=
github.com/envoyproxy/go-control-plane v0.10.2-0.20220325020618-49ff273808a1/go.mod h1:KJwIaB5Mv44NWtYuAOFCVOjcI94vtpEz2JU/D2v6IjE=
github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
github.com/evanphx/json-patch v4.9.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
github.com/evanphx/json-patch v4.11.0+incompatible/go.mod h1:50XU6AFN0ol/bzJsmQLiYLvXMP4fmwYFNcr97nuDLSk=
@ -1617,8 +1619,9 @@ google.golang.org/genproto v0.0.0-20210728212813-7823e685a01f/go.mod h1:ob2IJxKr
google.golang.org/genproto v0.0.0-20210805201207-89edb61ffb67/go.mod h1:ob2IJxKrgPT52GcgX759i1sleT07tiKowYBGbczaW48=
google.golang.org/genproto v0.0.0-20210813162853-db860fec028c/go.mod h1:cFeNkxwySK631ADgubI+/XFU/xp8FD5KIVV4rj8UC5w=
google.golang.org/genproto v0.0.0-20210831024726-fe130286e0e2/go.mod h1:eFjDcFEctNawg4eG61bRv87N7iHBWyVhJu7u1kqDUXY=
google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa h1:I0YcKz0I7OAhddo7ya8kMnvprhcWM045PmkBdMO9zN0=
google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21 h1:hrbNEivu7Zn1pxvHk6MBrq9iE22woVILTHqexqBxe6I=
google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21/go.mod h1:RAyBrSAP7Fh3Nc84ghnVLDPuV51xc9agzmm4Ph6i0Q4=
google.golang.org/grpc v0.0.0-20160317175043-d3ddb4469d5a/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
@ -1651,8 +1654,10 @@ google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9K
google.golang.org/grpc v1.42.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
google.golang.org/grpc v1.43.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
google.golang.org/grpc v1.44.0/go.mod h1:k+4IHHFw41K8+bbowsex27ge2rCb65oeWqe4jJ590SU=
google.golang.org/grpc v1.45.0 h1:NEpgUqV3Z+ZjkqMsxMg11IaDrXY4RY6CQukSGK0uI1M=
google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
google.golang.org/grpc v1.46.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
google.golang.org/grpc v1.47.0 h1:9n77onPX5F3qfFCqjy9dhn8PbNQsIKeVU04J9G7umt8=
google.golang.org/grpc v1.47.0/go.mod h1:vN9eftEi1UMyUsIF80+uQXhHjbXYbm0uXoFCACuMGWk=
google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
@ -1666,8 +1671,9 @@ google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGj
google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@ -1703,7 +1709,7 @@ gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0 h1:hjy8E9ON/egN1tAYqKb61G10WtihqetD4sz2H+8nIeA=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=
gotest.tools/v3 v3.0.3/go.mod h1:Z7Lb0S5l+klDB31fvDQX8ss/FlKDxtlFlw3Oa8Ymbl8=

View file

@ -102,6 +102,7 @@ Ross Boucher <rboucher@gmail.com>
Ruediger Maass <ruediger.maass@de.ibm.com>
Rui Cao <ruicao@alauda.io> <ruicao@alauda.io>
Sakeven Jiang <jc5930@sina.cn>
Samuel Karp <me@samuelkarp.com> <samuelkarp@google.com>
Samuel Karp <me@samuelkarp.com> <skarp@amazon.com>
Seth Pellegrino <spellegrino@newrelic.com> <30441101+sethp-nr@users.noreply.github.com>
Shaobao Feng <shaobao.feng@huawei.com>

View file

@ -1,35 +0,0 @@
- project:
name: containerd/containerd
merge-mode: merge
check:
jobs:
- containerd-build-arm64
- containerd-test-arm64
- containerd-integration-test-arm64
- job:
name: containerd-build-arm64
parent: init-test
description: |
Containerd build in openlab cluster.
run: .zuul/playbooks/containerd-build/run.yaml
nodeset: ubuntu-xenial-arm64-openlab
voting: false
- job:
name: containerd-test-arm64
parent: init-test
description: |
Containerd unit tests in openlab cluster.
run: .zuul/playbooks/containerd-build/unit-test.yaml
nodeset: ubuntu-xenial-arm64-openlab
voting: false
- job:
name: containerd-integration-test-arm64
parent: init-test
description: |
Containerd unit tests in openlab cluster.
run: .zuul/playbooks/containerd-build/integration-test.yaml
nodeset: ubuntu-xenial-arm64-openlab
voting: false

View file

@ -223,6 +223,16 @@ cri-integration: binaries bin/cri-integration.test ## run cri integration tests
@bash -x ./script/test/cri-integration.sh
@rm -rf bin/cri-integration.test
# build runc shimv2 with failpoint control, only used by integration test
bin/containerd-shim-runc-fp-v1: integration/failpoint/cmd/containerd-shim-runc-fp-v1 FORCE
@echo "$(WHALE) $@"
@CGO_ENABLED=${SHIM_CGO_ENABLED} $(GO) build ${GO_BUILD_FLAGS} -o $@ ${SHIM_GO_LDFLAGS} ${GO_TAGS} ./integration/failpoint/cmd/containerd-shim-runc-fp-v1
# build CNI bridge plugin wrapper with failpoint support, only used by integration test
bin/cni-bridge-fp: integration/failpoint/cmd/cni-bridge-fp FORCE
@echo "$(WHALE) $@"
@$(GO) build ${GO_BUILD_FLAGS} -o $@ ./integration/failpoint/cmd/cni-bridge-fp
benchmark: ## run benchmarks tests
@echo "$(WHALE) $@"
@$(GO) test ${TESTFLAGS} -bench . -run Benchmark -test.root
@ -369,6 +379,8 @@ clean-test: ## clean up debris from previously failed tests
@rm -rf /run/containerd/fifo/*
@rm -rf /run/containerd-test/*
@rm -rf bin/cri-integration.test
@rm -rf bin/cni-bridge-fp
@rm -rf bin/containerd-shim-runc-fp-v1
install: ## install binaries
@echo "$(WHALE) $@ $(BINARIES)"

View file

@ -91,7 +91,7 @@ EOF
config.vm.provision "install-golang", type: "shell", run: "once" do |sh|
sh.upload_path = "/tmp/vagrant-install-golang"
sh.env = {
'GO_VERSION': ENV['GO_VERSION'] || "1.17.13",
'GO_VERSION': ENV['GO_VERSION'] || "1.18.7",
}
sh.inline = <<~SHELL
#!/usr/bin/env bash

View file

@ -120,6 +120,8 @@ const (
whiteoutOpaqueDir = whiteoutMetaPrefix + ".opq"
paxSchilyXattr = "SCHILY.xattr."
userXattrPrefix = "user."
)
// Apply applies a tar stream of an OCI style diff tar.
@ -393,11 +395,19 @@ func createTarFile(ctx context.Context, path, extractDir string, hdr *tar.Header
if strings.HasPrefix(key, paxSchilyXattr) {
key = key[len(paxSchilyXattr):]
if err := setxattr(path, key, value); err != nil {
if errors.Is(err, syscall.EPERM) && strings.HasPrefix(key, userXattrPrefix) {
// In the user.* namespace, only regular files and directories can have extended attributes.
// See https://man7.org/linux/man-pages/man7/xattr.7.html for details.
if fi, err := os.Lstat(path); err == nil && (!fi.Mode().IsRegular() && !fi.Mode().IsDir()) {
log.G(ctx).WithError(err).Warnf("ignored xattr %s in archive", key)
continue
}
}
if errors.Is(err, syscall.ENOTSUP) {
log.G(ctx).WithError(err).Warnf("ignored xattr %s in archive", key)
continue
}
return err
return fmt.Errorf("failed to setxattr %q for key %q: %w", path, key, err)
}
}
}

View file

@ -63,7 +63,7 @@ func setHeaderForSpecialDevice(hdr *tar.Header, name string, fi os.FileInfo) err
}
// Rdev is int32 on darwin/bsd, int64 on linux/solaris
rdev := uint64(s.Rdev) // nolint: unconvert
rdev := uint64(s.Rdev) //nolint:unconvert
// Currently go does not fill in the major/minors
if s.Mode&syscall.S_IFBLK != 0 ||

View file

@ -26,10 +26,16 @@ import (
"time"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/log"
"github.com/opencontainers/go-digest"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
)
// maxResets is the no.of times the Copy() method can tolerate a reset of the body
const maxResets = 5
var ErrReset = errors.New("writer has been reset")
var bufPool = sync.Pool{
New: func() interface{} {
buffer := make([]byte, 1<<20)
@ -80,7 +86,7 @@ func WriteBlob(ctx context.Context, cs Ingester, ref string, r io.Reader, desc o
return fmt.Errorf("failed to open writer: %w", err)
}
return nil // all ready present
return nil // already present
}
defer cw.Close()
@ -131,20 +137,35 @@ func OpenWriter(ctx context.Context, cs Ingester, opts ...WriterOpt) (Writer, er
// the size or digest is unknown, these values may be empty.
//
// Copy is buffered, so no need to wrap reader in buffered io.
func Copy(ctx context.Context, cw Writer, r io.Reader, size int64, expected digest.Digest, opts ...Opt) error {
func Copy(ctx context.Context, cw Writer, or io.Reader, size int64, expected digest.Digest, opts ...Opt) error {
ws, err := cw.Status()
if err != nil {
return fmt.Errorf("failed to get status: %w", err)
}
r := or
if ws.Offset > 0 {
r, err = seekReader(r, ws.Offset, size)
r, err = seekReader(or, ws.Offset, size)
if err != nil {
return fmt.Errorf("unable to resume write to %v: %w", ws.Ref, err)
}
}
for i := 0; i < maxResets; i++ {
if i >= 1 {
log.G(ctx).WithField("digest", expected).Debugf("retrying copy due to reset")
}
copied, err := copyWithBuffer(cw, r)
if errors.Is(err, ErrReset) {
ws, err := cw.Status()
if err != nil {
return fmt.Errorf("failed to get status: %w", err)
}
r, err = seekReader(or, ws.Offset, size)
if err != nil {
return fmt.Errorf("unable to resume write to %v: %w", ws.Ref, err)
}
continue
}
if err != nil {
return fmt.Errorf("failed to copy: %w", err)
}
@ -152,14 +173,27 @@ func Copy(ctx context.Context, cw Writer, r io.Reader, size int64, expected dige
// Short writes would return its own error, this indicates a read failure
return fmt.Errorf("failed to read expected number of bytes: %w", io.ErrUnexpectedEOF)
}
if err := cw.Commit(ctx, size, expected, opts...); err != nil {
if errors.Is(err, ErrReset) {
ws, err := cw.Status()
if err != nil {
return fmt.Errorf("failed to get status: %w", err)
}
r, err = seekReader(or, ws.Offset, size)
if err != nil {
return fmt.Errorf("unable to resume write to %v: %w", ws.Ref, err)
}
continue
}
if !errdefs.IsAlreadyExists(err) {
return fmt.Errorf("failed commit on ref %q: %w", ws.Ref, err)
}
}
return nil
}
log.G(ctx).WithField("digest", expected).Errorf("failed to copy after %d retries", maxResets)
return fmt.Errorf("failed to copy after %d retries", maxResets)
}
// CopyReaderAt copies to a writer from a given reader at for the given

View file

@ -643,7 +643,6 @@ func (s *store) ingestRoot(ref string) string {
// - root: entire ingest directory
// - ref: name of the starting ref, must be unique
// - data: file where data is written
//
func (s *store) ingestPaths(ref string) (string, string, string) {
var (
fp = s.ingestRoot(ref)

View file

@ -65,7 +65,6 @@
// ```
// name==foo,labels.bar
// ```
//
package filters
import (

View file

@ -45,7 +45,6 @@ field := quoted | [A-Za-z] [A-Za-z0-9_]+
operator := "==" | "!=" | "~="
value := quoted | [^\s,]+
quoted := <go string syntax>
*/
func Parse(s string) (Filter, error) {
// special case empty to match all

View file

@ -31,10 +31,10 @@ var errQuoteSyntax = errors.New("quote syntax error")
// or character literal represented by the string s.
// It returns four values:
//
// 1) value, the decoded Unicode code point or byte value;
// 2) multibyte, a boolean indicating whether the decoded character requires a multibyte UTF-8 representation;
// 3) tail, the remainder of the string after the character; and
// 4) an error that will be nil if the character is syntactically valid.
// 1. value, the decoded Unicode code point or byte value;
// 2. multibyte, a boolean indicating whether the decoded character requires a multibyte UTF-8 representation;
// 3. tail, the remainder of the string after the character; and
// 4. an error that will be nil if the character is syntactically valid.
//
// The second argument, quote, specifies the type of literal being parsed
// and therefore which escaped quote character is permitted.

View file

@ -182,6 +182,9 @@ func Export(ctx context.Context, store content.Provider, writer io.Writer, opts
case images.MediaTypeDockerSchema2ManifestList, ocispec.MediaTypeImageIndex:
d, ok := resolvedIndex[desc.Digest]
if !ok {
if err := desc.Digest.Validate(); err != nil {
return err
}
records = append(records, blobRecord(store, desc, &eo.blobRecordOptions))
p, err := content.ReadBlob(ctx, store, desc)
@ -271,6 +274,9 @@ func Export(ctx context.Context, store content.Provider, writer io.Writer, opts
func getRecords(ctx context.Context, store content.Provider, desc ocispec.Descriptor, algorithms map[string]struct{}, brOpts *blobRecordOptions) ([]tarRecord, error) {
var records []tarRecord
exportHandler := func(ctx context.Context, desc ocispec.Descriptor) ([]ocispec.Descriptor, error) {
if err := desc.Digest.Validate(); err != nil {
return nil, err
}
records = append(records, blobRecord(store, desc, brOpts))
algorithms[desc.Digest.Algorithm().String()] = struct{}{}
return nil, nil
@ -428,6 +434,9 @@ func manifestsRecord(ctx context.Context, store content.Provider, manifests map[
}
dgst := manifest.Config.Digest
if err := dgst.Validate(); err != nil {
return tarRecord{}, err
}
mfsts[i].Config = path.Join("blobs", dgst.Algorithm().String(), dgst.Encoded())
for _, l := range manifest.Layers {
path := path.Join("blobs", l.Digest.Algorithm().String(), l.Digest.Encoded())

View file

@ -300,6 +300,9 @@ func resolveLayers(ctx context.Context, store content.Store, layerFiles []string
}
if s.GetCompression() == compression.Uncompressed {
if compress {
if err := desc.Digest.Validate(); err != nil {
return nil, err
}
ref := fmt.Sprintf("compress-blob-%s-%s", desc.Digest.Algorithm().String(), desc.Digest.Encoded())
labels := map[string]string{
"containerd.io/uncompressed": desc.Digest.String(),

View file

@ -46,6 +46,7 @@
// the structure is changed in addition to adding a migration and incrementing
// the database version. Note that `╘══*...*` refers to maps with arbitrary
// keys.
//
// ├──version : <varint> - Latest version, see migrations
// └──v1 - Schema version bucket
// ╘══*namespace*

View file

@ -24,8 +24,6 @@ import "context"
// oriented. A namespace is really just a name and a set of labels. Objects
// that belong to a namespace are returned when the namespace is assigned to a
// given context.
//
//
type Store interface {
Create(ctx context.Context, namespace string, labels map[string]string) error
Labels(ctx context.Context, namespace string) (map[string]string, error)

View file

@ -518,6 +518,7 @@ func WithNamespacedCgroup() SpecOpts {
// WithUser sets the user to be used within the container.
// It accepts a valid user string in OCI Image Spec v1.0.0:
//
// user, uid, user:group, uid:gid, uid:group, user:gid
func WithUser(userstr string) SpecOpts {
return func(ctx context.Context, client Client, c *containers.Container, s *Spec) error {
@ -1120,20 +1121,13 @@ func WithDefaultUnixDevices(_ context.Context, _ Client, _ *containers.Container
Allow: true,
},
{
// "dev/ptmx"
Type: "c",
Major: intptr(5),
Minor: intptr(2),
Access: rwm,
Allow: true,
},
{
// tuntap
Type: "c",
Major: intptr(10),
Minor: intptr(200),
Access: rwm,
Allow: true,
},
}...)
return nil
}

View file

@ -28,19 +28,22 @@ import (
// WithAllCurrentCapabilities propagates the effective capabilities of the caller process to the container process.
// The capability set may differ from WithAllKnownCapabilities when running in a container.
//nolint: deadcode, unused
//
//nolint:deadcode,unused
var WithAllCurrentCapabilities = func(ctx context.Context, client Client, c *containers.Container, s *Spec) error {
return WithCapabilities(nil)(ctx, client, c, s)
}
// WithAllKnownCapabilities sets all the the known linux capabilities for the container process
//nolint: deadcode, unused
//
//nolint:deadcode,unused
var WithAllKnownCapabilities = func(ctx context.Context, client Client, c *containers.Container, s *Spec) error {
return WithCapabilities(nil)(ctx, client, c, s)
}
// WithCPUShares sets the container's cpu shares
//nolint: deadcode, unused
//
//nolint:deadcode,unused
func WithCPUShares(shares uint64) SpecOpts {
return func(ctx context.Context, _ Client, c *containers.Container, s *Spec) error {
return nil

View file

@ -18,6 +18,7 @@ package apparmor
// HostSupports returns true if apparmor is enabled for the host, // On non-Linux returns false
// On Linux returns true if apparmor_parser is enabled, and if we
//
// are not running docker-in-docker.
//
// It is a modified version of libcontainer/apparmor.IsEnabled(), which does not

View file

@ -42,7 +42,7 @@
//
// More details of the specifier syntax and platform spec follow.
//
// Declaring Platform Support
// # Declaring Platform Support
//
// Components that have strict platform requirements should use the OCI
// platform specification to declare their support. Typically, this will be
@ -60,7 +60,7 @@
// specification when in doubt). ARM should set variant under certain
// discussions, which are outlined below.
//
// Platform Specifiers
// # Platform Specifiers
//
// While the OCI platform specifications provide a tool for components to
// specify structured information, user input typically doesn't need the full
@ -77,7 +77,7 @@
// where the architecture may be known but a runtime may support images from
// different operating systems.
//
// Normalization
// # Normalization
//
// Because not all users are familiar with the way the Go runtime represents
// platforms, several normalizations have been provided to make this package
@ -95,7 +95,7 @@
//
// We also normalize the operating system `macos` to `darwin`.
//
// ARM Support
// # ARM Support
//
// To qualify ARM architecture, the Variant field is used to qualify the arm
// version. The most common arm version, v7, is represented without the variant

View file

@ -71,8 +71,10 @@ type ExitStatus struct {
// Result returns the exit code and time of the exit status.
// An error may be returned here to which indicates there was an error
//
// at some point while waiting for the exit status. It does not signify
// an error with the process itself.
//
// If an error is returned, the process may still be running.
func (s ExitStatus) Result() (uint32, time.Time, error) {
return s.code, s.exitedAt, s.err

View file

@ -24,6 +24,7 @@ import (
"net/http"
"net/url"
"strings"
"sync"
"time"
"github.com/containerd/containerd/content"
@ -261,27 +262,20 @@ func (p dockerPusher) push(ctx context.Context, desc ocispec.Descriptor, ref str
// TODO: Support chunked upload
pr, pw := io.Pipe()
respC := make(chan response, 1)
body := io.NopCloser(pr)
pushw := newPushWriter(p.dockerBase, ref, desc.Digest, p.tracker, isManifest)
req.body = func() (io.ReadCloser, error) {
if body == nil {
return nil, errors.New("cannot reuse body, request must be retried")
}
// Only use the body once since pipe cannot be seeked
ob := body
body = nil
return ob, nil
pr, pw := io.Pipe()
pushw.setPipe(pw)
return io.NopCloser(pr), nil
}
req.size = desc.Size
go func() {
defer close(respC)
resp, err := req.doWithRetries(ctx, nil)
if err != nil {
respC <- response{err: err}
pr.CloseWithError(err)
pushw.setError(err)
pushw.Close()
return
}
@ -290,20 +284,13 @@ func (p dockerPusher) push(ctx context.Context, desc ocispec.Descriptor, ref str
default:
err := remoteserrors.NewUnexpectedStatusErr(resp)
log.G(ctx).WithField("resp", resp).WithField("body", string(err.(remoteserrors.ErrUnexpectedStatus).Body)).Debug("unexpected response")
pr.CloseWithError(err)
pushw.setError(err)
pushw.Close()
}
respC <- response{Response: resp}
pushw.setResponse(resp)
}()
return &pushWriter{
base: p.dockerBase,
ref: ref,
pipe: pw,
responseC: respC,
isManifest: isManifest,
expected: desc.Digest,
tracker: p.tracker,
}, nil
return pushw, nil
}
func getManifestPath(object string, dgst digest.Digest) []string {
@ -325,28 +312,81 @@ func getManifestPath(object string, dgst digest.Digest) []string {
return []string{"manifests", object}
}
type response struct {
*http.Response
err error
}
type pushWriter struct {
base *dockerBase
ref string
pipe *io.PipeWriter
responseC <-chan response
pipeC chan *io.PipeWriter
respC chan *http.Response
closeOnce sync.Once
errC chan error
isManifest bool
expected digest.Digest
tracker StatusTracker
}
func newPushWriter(db *dockerBase, ref string, expected digest.Digest, tracker StatusTracker, isManifest bool) *pushWriter {
// Initialize and create response
return &pushWriter{
base: db,
ref: ref,
expected: expected,
tracker: tracker,
pipeC: make(chan *io.PipeWriter, 1),
respC: make(chan *http.Response, 1),
errC: make(chan error, 1),
isManifest: isManifest,
}
}
func (pw *pushWriter) setPipe(p *io.PipeWriter) {
pw.pipeC <- p
}
func (pw *pushWriter) setError(err error) {
pw.errC <- err
}
func (pw *pushWriter) setResponse(resp *http.Response) {
pw.respC <- resp
}
func (pw *pushWriter) Write(p []byte) (n int, err error) {
status, err := pw.tracker.GetStatus(pw.ref)
if err != nil {
return n, err
}
if pw.pipe == nil {
p, ok := <-pw.pipeC
if !ok {
return 0, io.ErrClosedPipe
}
pw.pipe = p
} else {
select {
case p, ok := <-pw.pipeC:
if !ok {
return 0, io.ErrClosedPipe
}
pw.pipe.CloseWithError(content.ErrReset)
pw.pipe = p
// If content has already been written, the bytes
// cannot be written and the caller must reset
if status.Offset > 0 {
status.Offset = 0
status.UpdatedAt = time.Now()
pw.tracker.SetStatus(pw.ref, status)
return 0, content.ErrReset
}
default:
}
}
n, err = pw.pipe.Write(p)
status.Offset += int64(n)
status.UpdatedAt = time.Now()
@ -355,6 +395,12 @@ func (pw *pushWriter) Write(p []byte) (n int, err error) {
}
func (pw *pushWriter) Close() error {
// Ensure pipeC is closed but handle `Close()` being
// called multiple times without panicking
pw.closeOnce.Do(func() {
close(pw.pipeC)
})
if pw.pipe != nil {
status, err := pw.tracker.GetStatus(pw.ref)
if err == nil && !status.Committed {
// Closing an incomplete writer. Record this as an error so that following write can retry it.
@ -362,6 +408,8 @@ func (pw *pushWriter) Close() error {
pw.tracker.SetStatus(pw.ref, status)
}
return pw.pipe.Close()
}
return nil
}
func (pw *pushWriter) Status() (content.Status, error) {
@ -388,18 +436,43 @@ func (pw *pushWriter) Commit(ctx context.Context, size int64, expected digest.Di
return err
}
// TODO: timeout waiting for response
resp := <-pw.responseC
if resp.err != nil {
return resp.err
var resp *http.Response
select {
case err := <-pw.errC:
if err != nil {
return err
}
case resp = <-pw.respC:
defer resp.Body.Close()
case p, ok := <-pw.pipeC:
// check whether the pipe has changed in the commit, because sometimes Write
// can complete successfully, but the pipe may have changed. In that case, the
// content needs to be reset.
if !ok {
return io.ErrClosedPipe
}
pw.pipe.CloseWithError(content.ErrReset)
pw.pipe = p
status, err := pw.tracker.GetStatus(pw.ref)
if err != nil {
return err
}
// If content has already been written, the bytes
// cannot be written again and the caller must reset
if status.Offset > 0 {
status.Offset = 0
status.UpdatedAt = time.Now()
pw.tracker.SetStatus(pw.ref, status)
return content.ErrReset
}
}
defer resp.Response.Body.Close()
// 201 is specified return status, some registries return
// 200, 202 or 204.
switch resp.StatusCode {
case http.StatusOK, http.StatusCreated, http.StatusNoContent, http.StatusAccepted:
default:
return remoteserrors.NewUnexpectedStatusErr(resp.Response)
return remoteserrors.NewUnexpectedStatusErr(resp)
}
status, err := pw.tracker.GetStatus(pw.ref)

View file

@ -21,6 +21,7 @@ import (
"errors"
"fmt"
"io"
"net"
"net/http"
"net/url"
"path"
@ -667,3 +668,17 @@ func responseFields(resp *http.Response) logrus.Fields {
return logrus.Fields(fields)
}
// IsLocalhost checks if the registry host is local.
func IsLocalhost(host string) bool {
if h, _, err := net.SplitHostPort(host); err == nil {
host = h
}
if host == "localhost" {
return true
}
ip := net.ParseIP(host)
return ip.IsLoopback()
}

View file

@ -105,6 +105,12 @@ type ttrpcService interface {
RegisterTTRPC(*ttrpc.Server) error
}
type ttrpcServerOptioner interface {
ttrpcService
UnaryInterceptor() ttrpc.UnaryServerInterceptor
}
type taskService struct {
shimapi.TaskService
}
@ -366,6 +372,8 @@ func run(ctx context.Context, manager Manager, initFunc Init, name string, confi
var (
initialized = plugin.NewPluginSet()
ttrpcServices = []ttrpcService{}
ttrpcUnaryInterceptors = []ttrpc.UnaryServerInterceptor{}
)
plugins := plugin.Graph(func(*plugin.Registration) bool { return false })
for _, p := range plugins {
@ -405,20 +413,29 @@ func run(ctx context.Context, manager Manager, initFunc Init, name string, confi
if err != nil {
if plugin.IsSkipPlugin(err) {
log.G(ctx).WithError(err).WithField("type", p.Type).Infof("skip loading plugin %q...", id)
} else {
log.G(ctx).WithError(err).Warnf("failed to load plugin %s", id)
}
continue
}
return fmt.Errorf("failed to load plugin %s: %w", id, err)
}
if src, ok := instance.(ttrpcService); ok {
logrus.WithField("id", id).Debug("registering ttrpc service")
ttrpcServices = append(ttrpcServices, src)
}
if src, ok := instance.(ttrpcServerOptioner); ok {
ttrpcUnaryInterceptors = append(ttrpcUnaryInterceptors, src.UnaryInterceptor())
}
}
server, err := newServer()
if err != nil { //nolint:staticcheck // Ignore SA4023 as some platforms always return error
if len(ttrpcServices) == 0 {
return fmt.Errorf("required that ttrpc service")
}
unaryInterceptor := chainUnaryServerInterceptors(ttrpcUnaryInterceptors...)
server, err := newServer(ttrpc.WithUnaryServerInterceptor(unaryInterceptor))
if err != nil {
return fmt.Errorf("failed creating server: %w", err)
}

View file

@ -18,8 +18,8 @@ package shim
import "github.com/containerd/ttrpc"
func newServer() (*ttrpc.Server, error) {
return ttrpc.NewServer()
func newServer(opts ...ttrpc.ServerOpt) (*ttrpc.Server, error) {
return ttrpc.NewServer(opts...)
}
func subreaper() error {

View file

@ -18,8 +18,8 @@ package shim
import "github.com/containerd/ttrpc"
func newServer() (*ttrpc.Server, error) {
return ttrpc.NewServer()
func newServer(opts ...ttrpc.ServerOpt) (*ttrpc.Server, error) {
return ttrpc.NewServer(opts...)
}
func subreaper() error {

View file

@ -21,8 +21,9 @@ import (
"github.com/containerd/ttrpc"
)
func newServer() (*ttrpc.Server, error) {
return ttrpc.NewServer(ttrpc.WithServerHandshaker(ttrpc.UnixSocketRequireSameUser()))
func newServer(opts ...ttrpc.ServerOpt) (*ttrpc.Server, error) {
opts = append(opts, ttrpc.WithServerHandshaker(ttrpc.UnixSocketRequireSameUser()))
return ttrpc.NewServer(opts...)
}
func subreaper() error {

View file

@ -31,7 +31,7 @@ func setupSignals(config Config) (chan os.Signal, error) {
return nil, errors.New("not supported")
}
func newServer() (*ttrpc.Server, error) {
func newServer(opts ...ttrpc.ServerOpt) (*ttrpc.Server, error) {
return nil, errors.New("not supported")
}

View file

@ -28,6 +28,7 @@ import (
"time"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/ttrpc"
"github.com/gogo/protobuf/proto"
"github.com/gogo/protobuf/types"
exec "golang.org/x/sys/execabs"
@ -167,3 +168,28 @@ func ReadAddress(path string) (string, error) {
}
return string(data), nil
}
// chainUnaryServerInterceptors creates a single ttrpc server interceptor from
// a chain of many interceptors executed from first to last.
func chainUnaryServerInterceptors(interceptors ...ttrpc.UnaryServerInterceptor) ttrpc.UnaryServerInterceptor {
n := len(interceptors)
// force to use default interceptor in ttrpc
if n == 0 {
return nil
}
return func(ctx context.Context, unmarshal ttrpc.Unmarshaler, info *ttrpc.UnaryServerInfo, method ttrpc.Method) (interface{}, error) {
currentMethod := method
for i := n - 1; i > 0; i-- {
interceptor := interceptors[i]
innerMethod := currentMethod
currentMethod = func(currentCtx context.Context, currentUnmarshal func(interface{}) error) (interface{}, error) {
return interceptor(currentCtx, currentUnmarshal, info, innerMethod)
}
}
return interceptors[0](ctx, unmarshal, info, currentMethod)
}
}

View file

@ -168,7 +168,7 @@ type WalkFunc func(context.Context, Info) error
// We cover several examples below to demonstrate the utility of a snapshot
// snapshotter.
//
// Importing a Layer
// # Importing a Layer
//
// To import a layer, we simply have the Snapshotter provide a list of
// mounts to be applied such that our dst will capture a changeset. We start
@ -221,7 +221,7 @@ type WalkFunc func(context.Context, Info) error
// Now, we have a layer in the Snapshotter that can be accessed with the digest
// provided during commit.
//
// Importing the Next Layer
// # Importing the Next Layer
//
// Making a layer depend on the above is identical to the process described
// above except that the parent is provided as parent when calling
@ -232,7 +232,7 @@ type WalkFunc func(context.Context, Info) error
// We then mount, apply and commit, as we did above. The new snapshot will be
// based on the content of the previous one.
//
// Running a Container
// # Running a Container
//
// To run a container, we simply provide Snapshotter.Prepare the committed image
// snapshot as the parent. After mounting, the prepared path can

View file

@ -23,7 +23,7 @@ var (
Package = "github.com/containerd/containerd"
// Version holds the complete version number. Filled in at linking time.
Version = "1.6.8+unknown"
Version = "1.6.9+unknown"
// Revision is filled with the VCS (e.g. git) revision being used to build
// the program at linking time.

View file

@ -163,11 +163,7 @@ func (ResourceDescriptor_Style) EnumDescriptor() ([]byte, []int) {
// // For Kubernetes resources, the format is {api group}/{kind}.
// option (google.api.resource) = {
// type: "pubsub.googleapis.com/Topic"
// name_descriptor: {
// pattern: "projects/{project}/topics/{topic}"
// parent_type: "cloudresourcemanager.googleapis.com/Project"
// parent_name_extractor: "projects/{project}"
// }
// };
// }
//
@ -175,10 +171,7 @@ func (ResourceDescriptor_Style) EnumDescriptor() ([]byte, []int) {
//
// resources:
// - type: "pubsub.googleapis.com/Topic"
// name_descriptor:
// - pattern: "projects/{project}/topics/{topic}"
// parent_type: "cloudresourcemanager.googleapis.com/Project"
// parent_name_extractor: "projects/{project}"
// pattern: "projects/{project}/topics/{topic}"
//
// Sometimes, resources have multiple patterns, typically because they can
// live under multiple parents.
@ -188,26 +181,10 @@ func (ResourceDescriptor_Style) EnumDescriptor() ([]byte, []int) {
// message LogEntry {
// option (google.api.resource) = {
// type: "logging.googleapis.com/LogEntry"
// name_descriptor: {
// pattern: "projects/{project}/logs/{log}"
// parent_type: "cloudresourcemanager.googleapis.com/Project"
// parent_name_extractor: "projects/{project}"
// }
// name_descriptor: {
// pattern: "folders/{folder}/logs/{log}"
// parent_type: "cloudresourcemanager.googleapis.com/Folder"
// parent_name_extractor: "folders/{folder}"
// }
// name_descriptor: {
// pattern: "organizations/{organization}/logs/{log}"
// parent_type: "cloudresourcemanager.googleapis.com/Organization"
// parent_name_extractor: "organizations/{organization}"
// }
// name_descriptor: {
// pattern: "billingAccounts/{billing_account}/logs/{log}"
// parent_type: "billing.googleapis.com/BillingAccount"
// parent_name_extractor: "billingAccounts/{billing_account}"
// }
// };
// }
//
@ -215,48 +192,10 @@ func (ResourceDescriptor_Style) EnumDescriptor() ([]byte, []int) {
//
// resources:
// - type: 'logging.googleapis.com/LogEntry'
// name_descriptor:
// - pattern: "projects/{project}/logs/{log}"
// parent_type: "cloudresourcemanager.googleapis.com/Project"
// parent_name_extractor: "projects/{project}"
// - pattern: "folders/{folder}/logs/{log}"
// parent_type: "cloudresourcemanager.googleapis.com/Folder"
// parent_name_extractor: "folders/{folder}"
// - pattern: "organizations/{organization}/logs/{log}"
// parent_type: "cloudresourcemanager.googleapis.com/Organization"
// parent_name_extractor: "organizations/{organization}"
// - pattern: "billingAccounts/{billing_account}/logs/{log}"
// parent_type: "billing.googleapis.com/BillingAccount"
// parent_name_extractor: "billingAccounts/{billing_account}"
//
// For flexible resources, the resource name doesn't contain parent names, but
// the resource itself has parents for policy evaluation.
//
// Example:
//
// message Shelf {
// option (google.api.resource) = {
// type: "library.googleapis.com/Shelf"
// name_descriptor: {
// pattern: "shelves/{shelf}"
// parent_type: "cloudresourcemanager.googleapis.com/Project"
// }
// name_descriptor: {
// pattern: "shelves/{shelf}"
// parent_type: "cloudresourcemanager.googleapis.com/Folder"
// }
// };
// }
//
// The ResourceDescriptor Yaml config will look like:
//
// resources:
// - type: 'library.googleapis.com/Shelf'
// name_descriptor:
// - pattern: "shelves/{shelf}"
// parent_type: "cloudresourcemanager.googleapis.com/Project"
// - pattern: "shelves/{shelf}"
// parent_type: "cloudresourcemanager.googleapis.com/Folder"
// pattern: "projects/{project}/logs/{log}"
// pattern: "folders/{folder}/logs/{log}"
// pattern: "organizations/{organization}/logs/{log}"
// pattern: "billingAccounts/{billing_account}/logs/{log}"
type ResourceDescriptor struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache

View file

@ -1,4 +1,4 @@
// Copyright 2020 Google LLC
// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
@ -24,7 +24,6 @@ import (
reflect "reflect"
sync "sync"
_ "google.golang.org/genproto/googleapis/api/annotations"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
durationpb "google.golang.org/protobuf/types/known/durationpb"
@ -240,57 +239,55 @@ var file_google_logging_type_http_request_proto_rawDesc = []byte{
0x73, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x13, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65,
0x2e, 0x6c, 0x6f, 0x67, 0x67, 0x69, 0x6e, 0x67, 0x2e, 0x74, 0x79, 0x70, 0x65, 0x1a, 0x1e, 0x67,
0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x64,
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}
var (

View file

@ -1,4 +1,4 @@
// Copyright 2020 Google LLC
// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
@ -24,7 +24,6 @@ import (
reflect "reflect"
sync "sync"
_ "google.golang.org/genproto/googleapis/api/annotations"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
)
@ -134,30 +133,29 @@ var file_google_logging_type_log_severity_proto_rawDesc = []byte{
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}
var (

View file

@ -1,4 +1,4 @@
// Copyright 2020 Google LLC
// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
@ -27,7 +27,6 @@ import (
_ "google.golang.org/genproto/googleapis/api/annotations"
monitoredres "google.golang.org/genproto/googleapis/api/monitoredres"
_type "google.golang.org/genproto/googleapis/logging/type"
_ "google.golang.org/genproto/googleapis/rpc/status"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
anypb "google.golang.org/protobuf/types/known/anypb"
@ -43,8 +42,6 @@ const (
)
// An individual entry in a log.
//
//
type LogEntry struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
@ -63,12 +60,13 @@ type LogEntry struct {
//
// `[LOG_ID]` must be URL-encoded within `log_name`. Example:
// `"organizations/1234567890/logs/cloudresourcemanager.googleapis.com%2Factivity"`.
//
// `[LOG_ID]` must be less than 512 characters long and can only include the
// following characters: upper and lower case alphanumeric characters,
// forward-slash, underscore, hyphen, and period.
//
// For backward compatibility, if `log_name` begins with a forward-slash, such
// as `/projects/...`, then the log entry is ingested as usual but the
// as `/projects/...`, then the log entry is ingested as usual, but the
// forward-slash is removed. Listing the log entry will not show the leading
// slash and filtering for a log name with a leading slash will never return
// any results.
@ -117,8 +115,20 @@ type LogEntry struct {
// Optional. Information about the HTTP request associated with this log entry, if
// applicable.
HttpRequest *_type.HttpRequest `protobuf:"bytes,7,opt,name=http_request,json=httpRequest,proto3" json:"http_request,omitempty"`
// Optional. A set of user-defined (key, value) data that provides additional
// information about the log entry.
// Optional. A map of key, value pairs that provides additional information about the
// log entry. The labels can be user-defined or system-defined.
//
// User-defined labels are arbitrary key, value pairs that you can use to
// classify logs.
//
// System-defined labels are defined by GCP services for platform logs.
// They have two components - a service namespace component and the
// attribute name. For example: `compute.googleapis.com/resource_name`.
//
// Cloud Logging truncates label keys that exceed 512 B and label
// values that exceed 64 KB upon their associated log entry being
// written. The truncation is indicated by an ellipsis at the
// end of the character string.
Labels map[string]string `protobuf:"bytes,11,rep,name=labels,proto3" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
// Optional. Information about an operation associated with the log entry, if
// applicable.
@ -144,6 +154,9 @@ type LogEntry struct {
TraceSampled bool `protobuf:"varint,30,opt,name=trace_sampled,json=traceSampled,proto3" json:"trace_sampled,omitempty"`
// Optional. Source code location information associated with the log entry, if any.
SourceLocation *LogEntrySourceLocation `protobuf:"bytes,23,opt,name=source_location,json=sourceLocation,proto3" json:"source_location,omitempty"`
// Optional. Information indicating this LogEntry is part of a sequence of multiple log
// entries split from a single LogEntry.
Split *LogSplit `protobuf:"bytes,35,opt,name=split,proto3" json:"split,omitempty"`
}
func (x *LogEntry) Reset() {
@ -297,6 +310,13 @@ func (x *LogEntry) GetSourceLocation() *LogEntrySourceLocation {
return nil
}
func (x *LogEntry) GetSplit() *LogSplit {
if x != nil {
return x.Split
}
return nil
}
type isLogEntry_Payload interface {
isLogEntry_Payload()
}
@ -485,6 +505,79 @@ func (x *LogEntrySourceLocation) GetFunction() string {
return ""
}
// Additional information used to correlate multiple log entries. Used when a
// single LogEntry would exceed the Google Cloud Logging size limit and is
// split across multiple log entries.
type LogSplit struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
// A globally unique identifier for all log entries in a sequence of split log
// entries. All log entries with the same |LogSplit.uid| are assumed to be
// part of the same sequence of split log entries.
Uid string `protobuf:"bytes,1,opt,name=uid,proto3" json:"uid,omitempty"`
// The index of this LogEntry in the sequence of split log entries. Log
// entries are given |index| values 0, 1, ..., n-1 for a sequence of n log
// entries.
Index int32 `protobuf:"varint,2,opt,name=index,proto3" json:"index,omitempty"`
// The total number of log entries that the original LogEntry was split into.
TotalSplits int32 `protobuf:"varint,3,opt,name=total_splits,json=totalSplits,proto3" json:"total_splits,omitempty"`
}
func (x *LogSplit) Reset() {
*x = LogSplit{}
if protoimpl.UnsafeEnabled {
mi := &file_google_logging_v2_log_entry_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *LogSplit) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*LogSplit) ProtoMessage() {}
func (x *LogSplit) ProtoReflect() protoreflect.Message {
mi := &file_google_logging_v2_log_entry_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use LogSplit.ProtoReflect.Descriptor instead.
func (*LogSplit) Descriptor() ([]byte, []int) {
return file_google_logging_v2_log_entry_proto_rawDescGZIP(), []int{3}
}
func (x *LogSplit) GetUid() string {
if x != nil {
return x.Uid
}
return ""
}
func (x *LogSplit) GetIndex() int32 {
if x != nil {
return x.Index
}
return 0
}
func (x *LogSplit) GetTotalSplits() int32 {
if x != nil {
return x.TotalSplits
}
return 0
}
var File_google_logging_v2_log_entry_proto protoreflect.FileDescriptor
var file_google_logging_v2_log_entry_proto_rawDesc = []byte{
@ -508,110 +601,116 @@ var file_google_logging_v2_log_entry_proto_rawDesc = []byte{
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}
var (
@ -626,35 +725,37 @@ func file_google_logging_v2_log_entry_proto_rawDescGZIP() []byte {
return file_google_logging_v2_log_entry_proto_rawDescData
}
var file_google_logging_v2_log_entry_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_google_logging_v2_log_entry_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
var file_google_logging_v2_log_entry_proto_goTypes = []interface{}{
(*LogEntry)(nil), // 0: google.logging.v2.LogEntry
(*LogEntryOperation)(nil), // 1: google.logging.v2.LogEntryOperation
(*LogEntrySourceLocation)(nil), // 2: google.logging.v2.LogEntrySourceLocation
nil, // 3: google.logging.v2.LogEntry.LabelsEntry
(*monitoredres.MonitoredResource)(nil), // 4: google.api.MonitoredResource
(*anypb.Any)(nil), // 5: google.protobuf.Any
(*structpb.Struct)(nil), // 6: google.protobuf.Struct
(*timestamppb.Timestamp)(nil), // 7: google.protobuf.Timestamp
(_type.LogSeverity)(0), // 8: google.logging.type.LogSeverity
(*_type.HttpRequest)(nil), // 9: google.logging.type.HttpRequest
(*LogSplit)(nil), // 3: google.logging.v2.LogSplit
nil, // 4: google.logging.v2.LogEntry.LabelsEntry
(*monitoredres.MonitoredResource)(nil), // 5: google.api.MonitoredResource
(*anypb.Any)(nil), // 6: google.protobuf.Any
(*structpb.Struct)(nil), // 7: google.protobuf.Struct
(*timestamppb.Timestamp)(nil), // 8: google.protobuf.Timestamp
(_type.LogSeverity)(0), // 9: google.logging.type.LogSeverity
(*_type.HttpRequest)(nil), // 10: google.logging.type.HttpRequest
}
var file_google_logging_v2_log_entry_proto_depIdxs = []int32{
4, // 0: google.logging.v2.LogEntry.resource:type_name -> google.api.MonitoredResource
5, // 1: google.logging.v2.LogEntry.proto_payload:type_name -> google.protobuf.Any
6, // 2: google.logging.v2.LogEntry.json_payload:type_name -> google.protobuf.Struct
7, // 3: google.logging.v2.LogEntry.timestamp:type_name -> google.protobuf.Timestamp
7, // 4: google.logging.v2.LogEntry.receive_timestamp:type_name -> google.protobuf.Timestamp
8, // 5: google.logging.v2.LogEntry.severity:type_name -> google.logging.type.LogSeverity
9, // 6: google.logging.v2.LogEntry.http_request:type_name -> google.logging.type.HttpRequest
3, // 7: google.logging.v2.LogEntry.labels:type_name -> google.logging.v2.LogEntry.LabelsEntry
5, // 0: google.logging.v2.LogEntry.resource:type_name -> google.api.MonitoredResource
6, // 1: google.logging.v2.LogEntry.proto_payload:type_name -> google.protobuf.Any
7, // 2: google.logging.v2.LogEntry.json_payload:type_name -> google.protobuf.Struct
8, // 3: google.logging.v2.LogEntry.timestamp:type_name -> google.protobuf.Timestamp
8, // 4: google.logging.v2.LogEntry.receive_timestamp:type_name -> google.protobuf.Timestamp
9, // 5: google.logging.v2.LogEntry.severity:type_name -> google.logging.type.LogSeverity
10, // 6: google.logging.v2.LogEntry.http_request:type_name -> google.logging.type.HttpRequest
4, // 7: google.logging.v2.LogEntry.labels:type_name -> google.logging.v2.LogEntry.LabelsEntry
1, // 8: google.logging.v2.LogEntry.operation:type_name -> google.logging.v2.LogEntryOperation
2, // 9: google.logging.v2.LogEntry.source_location:type_name -> google.logging.v2.LogEntrySourceLocation
10, // [10:10] is the sub-list for method output_type
10, // [10:10] is the sub-list for method input_type
10, // [10:10] is the sub-list for extension type_name
10, // [10:10] is the sub-list for extension extendee
0, // [0:10] is the sub-list for field type_name
3, // 10: google.logging.v2.LogEntry.split:type_name -> google.logging.v2.LogSplit
11, // [11:11] is the sub-list for method output_type
11, // [11:11] is the sub-list for method input_type
11, // [11:11] is the sub-list for extension type_name
11, // [11:11] is the sub-list for extension extendee
0, // [0:11] is the sub-list for field type_name
}
func init() { file_google_logging_v2_log_entry_proto_init() }
@ -699,6 +800,18 @@ func file_google_logging_v2_log_entry_proto_init() {
return nil
}
}
file_google_logging_v2_log_entry_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*LogSplit); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
file_google_logging_v2_log_entry_proto_msgTypes[0].OneofWrappers = []interface{}{
(*LogEntry_ProtoPayload)(nil),
@ -711,7 +824,7 @@ func file_google_logging_v2_log_entry_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_google_logging_v2_log_entry_proto_rawDesc,
NumEnums: 0,
NumMessages: 4,
NumMessages: 5,
NumExtensions: 0,
NumServices: 0,
},

View file

@ -1,4 +1,4 @@
// Copyright 2020 Google LLC
// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
@ -35,8 +35,6 @@ import (
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
durationpb "google.golang.org/protobuf/types/known/durationpb"
emptypb "google.golang.org/protobuf/types/known/emptypb"
_ "google.golang.org/protobuf/types/known/fieldmaskpb"
_ "google.golang.org/protobuf/types/known/timestamppb"
)
const (
@ -111,14 +109,15 @@ type DeleteLogRequest struct {
// Required. The resource name of the log to delete:
//
// "projects/[PROJECT_ID]/logs/[LOG_ID]"
// "organizations/[ORGANIZATION_ID]/logs/[LOG_ID]"
// "billingAccounts/[BILLING_ACCOUNT_ID]/logs/[LOG_ID]"
// "folders/[FOLDER_ID]/logs/[LOG_ID]"
// * `projects/[PROJECT_ID]/logs/[LOG_ID]`
// * `organizations/[ORGANIZATION_ID]/logs/[LOG_ID]`
// * `billingAccounts/[BILLING_ACCOUNT_ID]/logs/[LOG_ID]`
// * `folders/[FOLDER_ID]/logs/[LOG_ID]`
//
// `[LOG_ID]` must be URL-encoded. For example,
// `"projects/my-project-id/logs/syslog"`,
// `"organizations/1234567890/logs/cloudresourcemanager.googleapis.com%2Factivity"`.
// `"organizations/123/logs/cloudaudit.googleapis.com%2Factivity"`.
//
// For more information about log names, see
// [LogEntry][google.logging.v2.LogEntry].
LogName string `protobuf:"bytes,1,opt,name=log_name,json=logName,proto3" json:"log_name,omitempty"`
@ -172,15 +171,15 @@ type WriteLogEntriesRequest struct {
// Optional. A default log resource name that is assigned to all log entries
// in `entries` that do not specify a value for `log_name`:
//
// "projects/[PROJECT_ID]/logs/[LOG_ID]"
// "organizations/[ORGANIZATION_ID]/logs/[LOG_ID]"
// "billingAccounts/[BILLING_ACCOUNT_ID]/logs/[LOG_ID]"
// "folders/[FOLDER_ID]/logs/[LOG_ID]"
// * `projects/[PROJECT_ID]/logs/[LOG_ID]`
// * `organizations/[ORGANIZATION_ID]/logs/[LOG_ID]`
// * `billingAccounts/[BILLING_ACCOUNT_ID]/logs/[LOG_ID]`
// * `folders/[FOLDER_ID]/logs/[LOG_ID]`
//
// `[LOG_ID]` must be URL-encoded. For example:
//
// "projects/my-project-id/logs/syslog"
// "organizations/1234567890/logs/cloudresourcemanager.googleapis.com%2Factivity"
// "organizations/123/logs/cloudaudit.googleapis.com%2Factivity"
//
// The permission `logging.logEntries.create` is needed on each project,
// organization, billing account, or folder that is receiving new log
@ -215,14 +214,14 @@ type WriteLogEntriesRequest struct {
// the entries later in the list. See the `entries.list` method.
//
// Log entries with timestamps that are more than the
// [logs retention period](https://cloud.google.com/logging/quota-policy) in
// [logs retention period](https://cloud.google.com/logging/quotas) in
// the past or more than 24 hours in the future will not be available when
// calling `entries.list`. However, those log entries can still be [exported
// with
// LogSinks](https://cloud.google.com/logging/docs/api/tasks/exporting-logs).
//
// To improve throughput and to avoid exceeding the
// [quota limit](https://cloud.google.com/logging/quota-policy) for calls to
// [quota limit](https://cloud.google.com/logging/quotas) for calls to
// `entries.write`, you should try to include several log entries in this
// list, rather than calling this method for each individual log entry.
Entries []*LogEntry `protobuf:"bytes,4,rep,name=entries,proto3" json:"entries,omitempty"`
@ -414,16 +413,17 @@ type ListLogEntriesRequest struct {
// Required. Names of one or more parent resources from which to
// retrieve log entries:
//
// "projects/[PROJECT_ID]"
// "organizations/[ORGANIZATION_ID]"
// "billingAccounts/[BILLING_ACCOUNT_ID]"
// "folders/[FOLDER_ID]"
// * `projects/[PROJECT_ID]`
// * `organizations/[ORGANIZATION_ID]`
// * `billingAccounts/[BILLING_ACCOUNT_ID]`
// * `folders/[FOLDER_ID]`
//
// May alternatively be one or more views
// projects/[PROJECT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]
// organization/[ORGANIZATION_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]
// billingAccounts/[BILLING_ACCOUNT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]
// folders/[FOLDER_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]
// May alternatively be one or more views:
//
// * `projects/[PROJECT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
// * `organizations/[ORGANIZATION_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
// * `billingAccounts/[BILLING_ACCOUNT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
// * `folders/[FOLDER_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
//
// Projects listed in the `project_ids` field are added to this list.
ResourceNames []string `protobuf:"bytes,8,rep,name=resource_names,json=resourceNames,proto3" json:"resource_names,omitempty"`
@ -442,10 +442,10 @@ type ListLogEntriesRequest struct {
// in order of decreasing timestamps (newest first). Entries with equal
// timestamps are returned in order of their `insert_id` values.
OrderBy string `protobuf:"bytes,3,opt,name=order_by,json=orderBy,proto3" json:"order_by,omitempty"`
// Optional. The maximum number of results to return from this request.
// Default is 50. If the value is negative or exceeds 1000,
// the request is rejected. The presence of `next_page_token` in the
// response indicates that more results might be available.
// Optional. The maximum number of results to return from this request. Default is 50.
// If the value is negative or exceeds 1000, the request is rejected. The
// presence of `next_page_token` in the response indicates that more results
// might be available.
PageSize int32 `protobuf:"varint,4,opt,name=page_size,json=pageSize,proto3" json:"page_size,omitempty"`
// Optional. If present, then retrieve the next batch of results from the
// preceding call to this method. `page_token` must be the value of
@ -721,10 +721,10 @@ type ListLogsRequest struct {
// Required. The resource name that owns the logs:
//
// "projects/[PROJECT_ID]"
// "organizations/[ORGANIZATION_ID]"
// "billingAccounts/[BILLING_ACCOUNT_ID]"
// "folders/[FOLDER_ID]"
// * `projects/[PROJECT_ID]`
// * `organizations/[ORGANIZATION_ID]`
// * `billingAccounts/[BILLING_ACCOUNT_ID]`
// * `folders/[FOLDER_ID]`
Parent string `protobuf:"bytes,1,opt,name=parent,proto3" json:"parent,omitempty"`
// Optional. The maximum number of results to return from this request.
// Non-positive values are ignored. The presence of `nextPageToken` in the
@ -736,16 +736,18 @@ type ListLogsRequest struct {
// parameters should be identical to those in the previous call.
PageToken string `protobuf:"bytes,3,opt,name=page_token,json=pageToken,proto3" json:"page_token,omitempty"`
// Optional. The resource name that owns the logs:
// projects/[PROJECT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]
// organization/[ORGANIZATION_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]
// billingAccounts/[BILLING_ACCOUNT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]
// folders/[FOLDER_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]
//
// * `projects/[PROJECT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
// * `organizations/[ORGANIZATION_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
// * `billingAccounts/[BILLING_ACCOUNT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
// * `folders/[FOLDER_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
//
// To support legacy queries, it could also be:
// "projects/[PROJECT_ID]"
// "organizations/[ORGANIZATION_ID]"
// "billingAccounts/[BILLING_ACCOUNT_ID]"
// "folders/[FOLDER_ID]"
//
// * `projects/[PROJECT_ID]`
// * `organizations/[ORGANIZATION_ID]`
// * `billingAccounts/[BILLING_ACCOUNT_ID]`
// * `folders/[FOLDER_ID]`
ResourceNames []string `protobuf:"bytes,8,rep,name=resource_names,json=resourceNames,proto3" json:"resource_names,omitempty"`
}
@ -879,16 +881,17 @@ type TailLogEntriesRequest struct {
// Required. Name of a parent resource from which to retrieve log entries:
//
// "projects/[PROJECT_ID]"
// "organizations/[ORGANIZATION_ID]"
// "billingAccounts/[BILLING_ACCOUNT_ID]"
// "folders/[FOLDER_ID]"
// * `projects/[PROJECT_ID]`
// * `organizations/[ORGANIZATION_ID]`
// * `billingAccounts/[BILLING_ACCOUNT_ID]`
// * `folders/[FOLDER_ID]`
//
// May alternatively be one or more views:
// "projects/[PROJECT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]"
// "organization/[ORGANIZATION_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]"
// "billingAccounts/[BILLING_ACCOUNT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]"
// "folders/[FOLDER_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]"
//
// * `projects/[PROJECT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
// * `organizations/[ORGANIZATION_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
// * `billingAccounts/[BILLING_ACCOUNT_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
// * `folders/[FOLDER_ID]/locations/[LOCATION_ID]/buckets/[BUCKET_ID]/views/[VIEW_ID]`
ResourceNames []string `protobuf:"bytes,1,rep,name=resource_names,json=resourceNames,proto3" json:"resource_names,omitempty"`
// Optional. A filter that chooses which log entries to return. See [Advanced
// Logs Filters](https://cloud.google.com/logging/docs/view/advanced_filters).
@ -1086,279 +1089,274 @@ var file_google_logging_v2_logging_proto_rawDesc = []byte{
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}
var (
@ -1436,7 +1434,6 @@ func file_google_logging_v2_logging_proto_init() {
return
}
file_google_logging_v2_log_entry_proto_init()
file_google_logging_v2_logging_config_proto_init()
if !protoimpl.UnsafeEnabled {
file_google_logging_v2_logging_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*DeleteLogRequest); i {
@ -1628,10 +1625,10 @@ const _ = grpc.SupportPackageIsVersion6
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type LoggingServiceV2Client interface {
// Deletes all the log entries in a log. The log reappears if it receives new
// entries. Log entries written shortly before the delete operation might not
// be deleted. Entries received after the delete operation with a timestamp
// before the operation will be deleted.
// Deletes all the log entries in a log for the _Default Log Bucket. The log
// reappears if it receives new entries. Log entries written shortly before
// the delete operation might not be deleted. Entries received after the
// delete operation with a timestamp before the operation will be deleted.
DeleteLog(ctx context.Context, in *DeleteLogRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
// Writes log entries to Logging. This API method is the
// only way to send log entries to Logging. This method
@ -1742,10 +1739,10 @@ func (x *loggingServiceV2TailLogEntriesClient) Recv() (*TailLogEntriesResponse,
// LoggingServiceV2Server is the server API for LoggingServiceV2 service.
type LoggingServiceV2Server interface {
// Deletes all the log entries in a log. The log reappears if it receives new
// entries. Log entries written shortly before the delete operation might not
// be deleted. Entries received after the delete operation with a timestamp
// before the operation will be deleted.
// Deletes all the log entries in a log for the _Default Log Bucket. The log
// reappears if it receives new entries. Log entries written shortly before
// the delete operation might not be deleted. Entries received after the
// delete operation with a timestamp before the operation will be deleted.
DeleteLog(context.Context, *DeleteLogRequest) (*emptypb.Empty, error)
// Writes log entries to Logging. This API method is the
// only way to send log entries to Logging. This method

File diff suppressed because it is too large Load diff

View file

@ -1,4 +1,4 @@
// Copyright 2020 Google LLC
// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
@ -33,9 +33,7 @@ import (
status "google.golang.org/grpc/status"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
_ "google.golang.org/protobuf/types/known/durationpb"
emptypb "google.golang.org/protobuf/types/known/emptypb"
_ "google.golang.org/protobuf/types/known/fieldmaskpb"
timestamppb "google.golang.org/protobuf/types/known/timestamppb"
)
@ -115,11 +113,11 @@ type LogMetric struct {
// `_-.,+!*',()%/`. The forward-slash character (`/`) denotes a hierarchy of
// name pieces, and it cannot be the first character of the name.
//
// The metric identifier in this field must not be
// [URL-encoded](https://en.wikipedia.org/wiki/Percent-encoding).
// However, when the metric identifier appears as the `[METRIC_ID]` part of a
// `metric_name` API parameter, then the metric identifier must be
// URL-encoded. Example: `"projects/my-project/metrics/nginx%2Frequests"`.
// This field is the `[METRIC_ID]` part of a metric resource name in the
// format "projects/[PROJECT_ID]/metrics/[METRIC_ID]". Example: If the
// resource name of a metric is
// `"projects/my-project/metrics/nginx%2Frequests"`, this field's value is
// `"nginx/requests"`.
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
// Optional. A description of this metric, which is used in documentation.
// The maximum length of the description is 8000 characters.
@ -132,6 +130,9 @@ type LogMetric struct {
//
// The maximum length of the filter is 20000 characters.
Filter string `protobuf:"bytes,3,opt,name=filter,proto3" json:"filter,omitempty"`
// Optional. If set to True, then this metric is disabled and it does not
// generate any points.
Disabled bool `protobuf:"varint,12,opt,name=disabled,proto3" json:"disabled,omitempty"`
// Optional. The metric descriptor associated with the logs-based metric.
// If unspecified, it uses a default metric descriptor with a DELTA metric
// kind, INT64 value type, with no labels and a unit of "1". Such a metric
@ -261,6 +262,13 @@ func (x *LogMetric) GetFilter() string {
return ""
}
func (x *LogMetric) GetDisabled() bool {
if x != nil {
return x.Disabled
}
return false
}
func (x *LogMetric) GetMetricDescriptor() *metric.MetricDescriptor {
if x != nil {
return x.MetricDescriptor
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}
var (

File diff suppressed because it is too large Load diff

View file

@ -27,6 +27,7 @@ import (
"net"
"strings"
"google.golang.org/grpc/channelz"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/internal"
@ -192,7 +193,7 @@ type BuildOptions struct {
// server can ignore this field.
Authority string
// ChannelzParentID is the parent ClientConn's channelz ID.
ChannelzParentID int64
ChannelzParentID *channelz.Identifier
// CustomUserAgent is the custom user agent set on the parent ClientConn.
// The balancer should set the same custom user agent if it creates a
// ClientConn.

View file

@ -35,7 +35,6 @@ import (
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/credentials/insecure"
"google.golang.org/grpc/internal/backoff"
"google.golang.org/grpc/internal/channelz"
imetadata "google.golang.org/grpc/internal/metadata"
"google.golang.org/grpc/keepalive"
"google.golang.org/grpc/metadata"
@ -240,9 +239,7 @@ func (lb *lbBalancer) newRemoteBalancerCCWrapper() {
// Explicitly set pickfirst as the balancer.
dopts = append(dopts, grpc.WithDefaultServiceConfig(`{"loadBalancingPolicy":"pick_first"}`))
dopts = append(dopts, grpc.WithResolvers(lb.manualResolver))
if channelz.IsOn() {
dopts = append(dopts, grpc.WithChannelzParentID(lb.opt.ChannelzParentID))
}
// Enable Keepalive for grpclb client.
dopts = append(dopts, grpc.WithKeepaliveParams(keepalive.ClientParameters{

View file

@ -20,130 +20,178 @@ package grpc
import (
"fmt"
"strings"
"sync"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/internal/balancer/gracefulswitch"
"google.golang.org/grpc/internal/buffer"
"google.golang.org/grpc/internal/channelz"
"google.golang.org/grpc/internal/grpcsync"
"google.golang.org/grpc/resolver"
)
// scStateUpdate contains the subConn and the new state it changed to.
// ccBalancerWrapper sits between the ClientConn and the Balancer.
//
// ccBalancerWrapper implements methods corresponding to the ones on the
// balancer.Balancer interface. The ClientConn is free to call these methods
// concurrently and the ccBalancerWrapper ensures that calls from the ClientConn
// to the Balancer happen synchronously and in order.
//
// ccBalancerWrapper also implements the balancer.ClientConn interface and is
// passed to the Balancer implementations. It invokes unexported methods on the
// ClientConn to handle these calls from the Balancer.
//
// It uses the gracefulswitch.Balancer internally to ensure that balancer
// switches happen in a graceful manner.
type ccBalancerWrapper struct {
cc *ClientConn
// Since these fields are accessed only from handleXxx() methods which are
// synchronized by the watcher goroutine, we do not need a mutex to protect
// these fields.
balancer *gracefulswitch.Balancer
curBalancerName string
updateCh *buffer.Unbounded // Updates written on this channel are processed by watcher().
resultCh *buffer.Unbounded // Results of calls to UpdateClientConnState() are pushed here.
closed *grpcsync.Event // Indicates if close has been called.
done *grpcsync.Event // Indicates if close has completed its work.
}
// newCCBalancerWrapper creates a new balancer wrapper. The underlying balancer
// is not created until the switchTo() method is invoked.
func newCCBalancerWrapper(cc *ClientConn, bopts balancer.BuildOptions) *ccBalancerWrapper {
ccb := &ccBalancerWrapper{
cc: cc,
updateCh: buffer.NewUnbounded(),
resultCh: buffer.NewUnbounded(),
closed: grpcsync.NewEvent(),
done: grpcsync.NewEvent(),
}
go ccb.watcher()
ccb.balancer = gracefulswitch.NewBalancer(ccb, bopts)
return ccb
}
// The following xxxUpdate structs wrap the arguments received as part of the
// corresponding update. The watcher goroutine uses the 'type' of the update to
// invoke the appropriate handler routine to handle the update.
type ccStateUpdate struct {
ccs *balancer.ClientConnState
}
type scStateUpdate struct {
sc balancer.SubConn
state connectivity.State
err error
}
// exitIdle contains no data and is just a signal sent on the updateCh in
// ccBalancerWrapper to instruct the balancer to exit idle.
type exitIdle struct{}
type exitIdleUpdate struct{}
// ccBalancerWrapper is a wrapper on top of cc for balancers.
// It implements balancer.ClientConn interface.
type ccBalancerWrapper struct {
cc *ClientConn
balancerMu sync.Mutex // synchronizes calls to the balancer
balancer balancer.Balancer
hasExitIdle bool
updateCh *buffer.Unbounded
closed *grpcsync.Event
done *grpcsync.Event
mu sync.Mutex
subConns map[*acBalancerWrapper]struct{}
type resolverErrorUpdate struct {
err error
}
func newCCBalancerWrapper(cc *ClientConn, b balancer.Builder, bopts balancer.BuildOptions) *ccBalancerWrapper {
ccb := &ccBalancerWrapper{
cc: cc,
updateCh: buffer.NewUnbounded(),
closed: grpcsync.NewEvent(),
done: grpcsync.NewEvent(),
subConns: make(map[*acBalancerWrapper]struct{}),
}
go ccb.watcher()
ccb.balancer = b.Build(ccb, bopts)
_, ccb.hasExitIdle = ccb.balancer.(balancer.ExitIdler)
return ccb
type switchToUpdate struct {
name string
}
// watcher balancer functions sequentially, so the balancer can be implemented
// lock-free.
type subConnUpdate struct {
acbw *acBalancerWrapper
}
// watcher is a long-running goroutine which reads updates from a channel and
// invokes corresponding methods on the underlying balancer. It ensures that
// these methods are invoked in a synchronous fashion. It also ensures that
// these methods are invoked in the order in which the updates were received.
func (ccb *ccBalancerWrapper) watcher() {
for {
select {
case t := <-ccb.updateCh.Get():
case u := <-ccb.updateCh.Get():
ccb.updateCh.Load()
if ccb.closed.HasFired() {
break
}
switch u := t.(type) {
switch update := u.(type) {
case *ccStateUpdate:
ccb.handleClientConnStateChange(update.ccs)
case *scStateUpdate:
ccb.balancerMu.Lock()
ccb.balancer.UpdateSubConnState(u.sc, balancer.SubConnState{ConnectivityState: u.state, ConnectionError: u.err})
ccb.balancerMu.Unlock()
case *acBalancerWrapper:
ccb.mu.Lock()
if ccb.subConns != nil {
delete(ccb.subConns, u)
ccb.cc.removeAddrConn(u.getAddrConn(), errConnDrain)
}
ccb.mu.Unlock()
case exitIdle:
if ccb.cc.GetState() == connectivity.Idle {
if ei, ok := ccb.balancer.(balancer.ExitIdler); ok {
// We already checked that the balancer implements
// ExitIdle before pushing the event to updateCh, but
// check conditionally again as defensive programming.
ccb.balancerMu.Lock()
ei.ExitIdle()
ccb.balancerMu.Unlock()
}
}
ccb.handleSubConnStateChange(update)
case *exitIdleUpdate:
ccb.handleExitIdle()
case *resolverErrorUpdate:
ccb.handleResolverError(update.err)
case *switchToUpdate:
ccb.handleSwitchTo(update.name)
case *subConnUpdate:
ccb.handleRemoveSubConn(update.acbw)
default:
logger.Errorf("ccBalancerWrapper.watcher: unknown update %+v, type %T", t, t)
logger.Errorf("ccBalancerWrapper.watcher: unknown update %+v, type %T", update, update)
}
case <-ccb.closed.Done():
}
if ccb.closed.HasFired() {
ccb.balancerMu.Lock()
ccb.balancer.Close()
ccb.balancerMu.Unlock()
ccb.mu.Lock()
scs := ccb.subConns
ccb.subConns = nil
ccb.mu.Unlock()
ccb.UpdateState(balancer.State{ConnectivityState: connectivity.Connecting, Picker: nil})
ccb.done.Fire()
// Fire done before removing the addr conns. We can safely unblock
// ccb.close and allow the removeAddrConns to happen
// asynchronously.
for acbw := range scs {
ccb.cc.removeAddrConn(acbw.getAddrConn(), errConnDrain)
}
ccb.handleClose()
return
}
}
}
func (ccb *ccBalancerWrapper) close() {
ccb.closed.Fire()
<-ccb.done.Done()
}
// updateClientConnState is invoked by grpc to push a ClientConnState update to
// the underlying balancer.
//
// Unlike other methods invoked by grpc to push updates to the underlying
// balancer, this method cannot simply push the update onto the update channel
// and return. It needs to return the error returned by the underlying balancer
// back to grpc which propagates that to the resolver.
func (ccb *ccBalancerWrapper) updateClientConnState(ccs *balancer.ClientConnState) error {
ccb.updateCh.Put(&ccStateUpdate{ccs: ccs})
func (ccb *ccBalancerWrapper) exitIdle() bool {
if !ccb.hasExitIdle {
return false
var res interface{}
select {
case res = <-ccb.resultCh.Get():
ccb.resultCh.Load()
case <-ccb.closed.Done():
// Return early if the balancer wrapper is closed while we are waiting for
// the underlying balancer to process a ClientConnState update.
return nil
}
ccb.updateCh.Put(exitIdle{})
return true
// If the returned error is nil, attempting to type assert to error leads to
// panic. So, this needs to handled separately.
if res == nil {
return nil
}
return res.(error)
}
func (ccb *ccBalancerWrapper) handleSubConnStateChange(sc balancer.SubConn, s connectivity.State, err error) {
// handleClientConnStateChange handles a ClientConnState update from the update
// channel and invokes the appropriate method on the underlying balancer.
//
// If the addresses specified in the update contain addresses of type "grpclb"
// and the selected LB policy is not "grpclb", these addresses will be filtered
// out and ccs will be modified with the updated address list.
func (ccb *ccBalancerWrapper) handleClientConnStateChange(ccs *balancer.ClientConnState) {
if ccb.curBalancerName != grpclbName {
// Filter any grpclb addresses since we don't have the grpclb balancer.
var addrs []resolver.Address
for _, addr := range ccs.ResolverState.Addresses {
if addr.Type == resolver.GRPCLB {
continue
}
addrs = append(addrs, addr)
}
ccs.ResolverState.Addresses = addrs
}
ccb.resultCh.Put(ccb.balancer.UpdateClientConnState(*ccs))
}
// updateSubConnState is invoked by grpc to push a subConn state update to the
// underlying balancer.
func (ccb *ccBalancerWrapper) updateSubConnState(sc balancer.SubConn, s connectivity.State, err error) {
// When updating addresses for a SubConn, if the address in use is not in
// the new addresses, the old ac will be tearDown() and a new ac will be
// created. tearDown() generates a state change with Shutdown state, we
@ -161,44 +209,125 @@ func (ccb *ccBalancerWrapper) handleSubConnStateChange(sc balancer.SubConn, s co
})
}
func (ccb *ccBalancerWrapper) updateClientConnState(ccs *balancer.ClientConnState) error {
ccb.balancerMu.Lock()
defer ccb.balancerMu.Unlock()
return ccb.balancer.UpdateClientConnState(*ccs)
// handleSubConnStateChange handles a SubConnState update from the update
// channel and invokes the appropriate method on the underlying balancer.
func (ccb *ccBalancerWrapper) handleSubConnStateChange(update *scStateUpdate) {
ccb.balancer.UpdateSubConnState(update.sc, balancer.SubConnState{ConnectivityState: update.state, ConnectionError: update.err})
}
func (ccb *ccBalancerWrapper) exitIdle() {
ccb.updateCh.Put(&exitIdleUpdate{})
}
func (ccb *ccBalancerWrapper) handleExitIdle() {
if ccb.cc.GetState() != connectivity.Idle {
return
}
ccb.balancer.ExitIdle()
}
func (ccb *ccBalancerWrapper) resolverError(err error) {
ccb.balancerMu.Lock()
defer ccb.balancerMu.Unlock()
ccb.updateCh.Put(&resolverErrorUpdate{err: err})
}
func (ccb *ccBalancerWrapper) handleResolverError(err error) {
ccb.balancer.ResolverError(err)
}
// switchTo is invoked by grpc to instruct the balancer wrapper to switch to the
// LB policy identified by name.
//
// ClientConn calls newCCBalancerWrapper() at creation time. Upon receipt of the
// first good update from the name resolver, it determines the LB policy to use
// and invokes the switchTo() method. Upon receipt of every subsequent update
// from the name resolver, it invokes this method.
//
// the ccBalancerWrapper keeps track of the current LB policy name, and skips
// the graceful balancer switching process if the name does not change.
func (ccb *ccBalancerWrapper) switchTo(name string) {
ccb.updateCh.Put(&switchToUpdate{name: name})
}
// handleSwitchTo handles a balancer switch update from the update channel. It
// calls the SwitchTo() method on the gracefulswitch.Balancer with a
// balancer.Builder corresponding to name. If no balancer.Builder is registered
// for the given name, it uses the default LB policy which is "pick_first".
func (ccb *ccBalancerWrapper) handleSwitchTo(name string) {
// TODO: Other languages use case-insensitive balancer registries. We should
// switch as well. See: https://github.com/grpc/grpc-go/issues/5288.
if strings.EqualFold(ccb.curBalancerName, name) {
return
}
// TODO: Ensure that name is a registered LB policy when we get here.
// We currently only validate the `loadBalancingConfig` field. We need to do
// the same for the `loadBalancingPolicy` field and reject the service config
// if the specified policy is not registered.
builder := balancer.Get(name)
if builder == nil {
channelz.Warningf(logger, ccb.cc.channelzID, "Channel switches to new LB policy %q, since the specified LB policy %q was not registered", PickFirstBalancerName, name)
builder = newPickfirstBuilder()
} else {
channelz.Infof(logger, ccb.cc.channelzID, "Channel switches to new LB policy %q", name)
}
if err := ccb.balancer.SwitchTo(builder); err != nil {
channelz.Errorf(logger, ccb.cc.channelzID, "Channel failed to build new LB policy %q: %v", name, err)
return
}
ccb.curBalancerName = builder.Name()
}
// handleRemoveSucConn handles a request from the underlying balancer to remove
// a subConn.
//
// See comments in RemoveSubConn() for more details.
func (ccb *ccBalancerWrapper) handleRemoveSubConn(acbw *acBalancerWrapper) {
ccb.cc.removeAddrConn(acbw.getAddrConn(), errConnDrain)
}
func (ccb *ccBalancerWrapper) close() {
ccb.closed.Fire()
<-ccb.done.Done()
}
func (ccb *ccBalancerWrapper) handleClose() {
ccb.balancer.Close()
ccb.done.Fire()
}
func (ccb *ccBalancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer.NewSubConnOptions) (balancer.SubConn, error) {
if len(addrs) <= 0 {
return nil, fmt.Errorf("grpc: cannot create SubConn with empty address list")
}
ccb.mu.Lock()
defer ccb.mu.Unlock()
if ccb.subConns == nil {
return nil, fmt.Errorf("grpc: ClientConn balancer wrapper was closed")
}
ac, err := ccb.cc.newAddrConn(addrs, opts)
if err != nil {
channelz.Warningf(logger, ccb.cc.channelzID, "acBalancerWrapper: NewSubConn: failed to newAddrConn: %v", err)
return nil, err
}
acbw := &acBalancerWrapper{ac: ac}
acbw.ac.mu.Lock()
ac.acbw = acbw
acbw.ac.mu.Unlock()
ccb.subConns[acbw] = struct{}{}
return acbw, nil
}
func (ccb *ccBalancerWrapper) RemoveSubConn(sc balancer.SubConn) {
// The RemoveSubConn() is handled in the run() goroutine, to avoid deadlock
// during switchBalancer() if the old balancer calls RemoveSubConn() in its
// Close().
ccb.updateCh.Put(sc)
// Before we switched the ccBalancerWrapper to use gracefulswitch.Balancer, it
// was required to handle the RemoveSubConn() method asynchronously by pushing
// the update onto the update channel. This was done to avoid a deadlock as
// switchBalancer() was holding cc.mu when calling Close() on the old
// balancer, which would in turn call RemoveSubConn().
//
// With the use of gracefulswitch.Balancer in ccBalancerWrapper, handling this
// asynchronously is probably not required anymore since the switchTo() method
// handles the balancer switch by pushing the update onto the channel.
// TODO(easwars): Handle this inline.
acbw, ok := sc.(*acBalancerWrapper)
if !ok {
return
}
ccb.updateCh.Put(&subConnUpdate{acbw: acbw})
}
func (ccb *ccBalancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resolver.Address) {
@ -210,11 +339,6 @@ func (ccb *ccBalancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resol
}
func (ccb *ccBalancerWrapper) UpdateState(s balancer.State) {
ccb.mu.Lock()
defer ccb.mu.Unlock()
if ccb.subConns == nil {
return
}
// Update picker before updating state. Even though the ordering here does
// not matter, it can lead to multiple calls of Pick in the common start-up
// case where we wait for ready and then perform an RPC. If the picker is

36
vendor/google.golang.org/grpc/channelz/channelz.go generated vendored Normal file
View file

@ -0,0 +1,36 @@
/*
*
* Copyright 2020 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Package channelz exports internals of the channelz implementation as required
// by other gRPC packages.
//
// The implementation of the channelz spec as defined in
// https://github.com/grpc/proposal/blob/master/A14-channelz.md, is provided by
// the `internal/channelz` package.
//
// Experimental
//
// Notice: All APIs in this package are experimental and may be removed in a
// later release.
package channelz
import "google.golang.org/grpc/internal/channelz"
// Identifier is an opaque identifier which uniquely identifies an entity in the
// channelz database.
type Identifier = channelz.Identifier

View file

@ -159,23 +159,20 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
}
}()
if channelz.IsOn() {
if cc.dopts.channelzParentID != 0 {
cc.channelzID = channelz.RegisterChannel(&channelzChannel{cc}, cc.dopts.channelzParentID, target)
channelz.AddTraceEvent(logger, cc.channelzID, 0, &channelz.TraceEventDesc{
Desc: "Channel Created",
pid := cc.dopts.channelzParentID
cc.channelzID = channelz.RegisterChannel(&channelzChannel{cc}, pid, target)
ted := &channelz.TraceEventDesc{
Desc: "Channel created",
Severity: channelz.CtInfo,
Parent: &channelz.TraceEventDesc{
Desc: fmt.Sprintf("Nested Channel(id:%d) created", cc.channelzID),
Severity: channelz.CtInfo,
},
})
} else {
cc.channelzID = channelz.RegisterChannel(&channelzChannel{cc}, 0, target)
channelz.Info(logger, cc.channelzID, "Channel Created")
}
if cc.dopts.channelzParentID != nil {
ted.Parent = &channelz.TraceEventDesc{
Desc: fmt.Sprintf("Nested Channel(id:%d) created", cc.channelzID.Int()),
Severity: channelz.CtInfo,
}
}
channelz.AddTraceEvent(logger, cc.channelzID, 1, ted)
cc.csMgr.channelzID = cc.channelzID
}
if cc.dopts.copts.TransportCredentials == nil && cc.dopts.copts.CredsBundle == nil {
return nil, errNoTransportSecurity
@ -281,7 +278,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
if creds := cc.dopts.copts.TransportCredentials; creds != nil {
credsClone = creds.Clone()
}
cc.balancerBuildOpts = balancer.BuildOptions{
cc.balancerWrapper = newCCBalancerWrapper(cc, balancer.BuildOptions{
DialCreds: credsClone,
CredsBundle: cc.dopts.copts.CredsBundle,
Dialer: cc.dopts.copts.Dialer,
@ -289,7 +286,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
CustomUserAgent: cc.dopts.copts.UserAgent,
ChannelzParentID: cc.channelzID,
Target: cc.parsedTarget,
}
})
// Build the resolver.
rWrapper, err := newCCResolverWrapper(cc, resolverBuilder)
@ -398,7 +395,7 @@ type connectivityStateManager struct {
mu sync.Mutex
state connectivity.State
notifyChan chan struct{}
channelzID int64
channelzID *channelz.Identifier
}
// updateState updates the connectivity.State of ClientConn.
@ -464,34 +461,36 @@ var _ ClientConnInterface = (*ClientConn)(nil)
// handshakes. It also handles errors on established connections by
// re-resolving the name and reconnecting.
type ClientConn struct {
ctx context.Context
cancel context.CancelFunc
ctx context.Context // Initialized using the background context at dial time.
cancel context.CancelFunc // Cancelled on close.
target string
parsedTarget resolver.Target
authority string
dopts dialOptions
// The following are initialized at dial time, and are read-only after that.
target string // User's dial target.
parsedTarget resolver.Target // See parseTargetAndFindResolver().
authority string // See determineAuthority().
dopts dialOptions // Default and user specified dial options.
channelzID *channelz.Identifier // Channelz identifier for the channel.
balancerWrapper *ccBalancerWrapper // Uses gracefulswitch.balancer underneath.
// The following provide their own synchronization, and therefore don't
// require cc.mu to be held to access them.
csMgr *connectivityStateManager
balancerBuildOpts balancer.BuildOptions
blockingpicker *pickerWrapper
safeConfigSelector iresolver.SafeConfigSelector
czData *channelzData
retryThrottler atomic.Value // Updated from service config.
mu sync.RWMutex
resolverWrapper *ccResolverWrapper
sc *ServiceConfig
conns map[*addrConn]struct{}
// Keepalive parameter can be updated if a GoAway is received.
mkp keepalive.ClientParameters
curBalancerName string
balancerWrapper *ccBalancerWrapper
retryThrottler atomic.Value
// firstResolveEvent is used to track whether the name resolver sent us at
// least one update. RPCs block on this event.
firstResolveEvent *grpcsync.Event
channelzID int64 // channelz unique identification number
czData *channelzData
// mu protects the following fields.
// TODO: split mu so the same mutex isn't used for everything.
mu sync.RWMutex
resolverWrapper *ccResolverWrapper // Initialized in Dial; cleared in Close.
sc *ServiceConfig // Latest service config received from the resolver.
conns map[*addrConn]struct{} // Set to nil on close.
mkp keepalive.ClientParameters // May be updated upon receipt of a GoAway.
lceMu sync.Mutex // protects lastConnectionError
lastConnectionError error
@ -536,14 +535,7 @@ func (cc *ClientConn) GetState() connectivity.State {
// Notice: This API is EXPERIMENTAL and may be changed or removed in a later
// release.
func (cc *ClientConn) Connect() {
cc.mu.Lock()
defer cc.mu.Unlock()
if cc.balancerWrapper != nil && cc.balancerWrapper.exitIdle() {
return
}
for ac := range cc.conns {
go ac.connect()
}
cc.balancerWrapper.exitIdle()
}
func (cc *ClientConn) scWatcher() {
@ -623,9 +615,7 @@ func (cc *ClientConn) updateResolverState(s resolver.State, err error) error {
// with the new addresses.
cc.maybeApplyDefaultServiceConfig(nil)
if cc.balancerWrapper != nil {
cc.balancerWrapper.resolverError(err)
}
// No addresses are valid with err set; return early.
cc.mu.Unlock()
@ -653,16 +643,10 @@ func (cc *ClientConn) updateResolverState(s resolver.State, err error) error {
cc.applyServiceConfigAndBalancer(sc, configSelector, s.Addresses)
} else {
ret = balancer.ErrBadResolverState
if cc.balancerWrapper == nil {
var err error
if s.ServiceConfig.Err != nil {
err = status.Errorf(codes.Unavailable, "error parsing service config: %v", s.ServiceConfig.Err)
} else {
err = status.Errorf(codes.Unavailable, "illegal service config type: %T", s.ServiceConfig.Config)
}
cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{cc.sc})
cc.blockingpicker.updatePicker(base.NewErrPicker(err))
cc.csMgr.updateState(connectivity.TransientFailure)
if cc.sc == nil {
// Apply the failing LB only if we haven't received valid service config
// from the name resolver in the past.
cc.applyFailingLB(s.ServiceConfig)
cc.mu.Unlock()
return ret
}
@ -670,24 +654,12 @@ func (cc *ClientConn) updateResolverState(s resolver.State, err error) error {
}
var balCfg serviceconfig.LoadBalancingConfig
if cc.dopts.balancerBuilder == nil && cc.sc != nil && cc.sc.lbConfig != nil {
if cc.sc != nil && cc.sc.lbConfig != nil {
balCfg = cc.sc.lbConfig.cfg
}
cbn := cc.curBalancerName
bw := cc.balancerWrapper
cc.mu.Unlock()
if cbn != grpclbName {
// Filter any grpclb addresses since we don't have the grpclb balancer.
for i := 0; i < len(s.Addresses); {
if s.Addresses[i].Type == resolver.GRPCLB {
copy(s.Addresses[i:], s.Addresses[i+1:])
s.Addresses = s.Addresses[:len(s.Addresses)-1]
continue
}
i++
}
}
uccsErr := bw.updateClientConnState(&balancer.ClientConnState{ResolverState: s, BalancerConfig: balCfg})
if ret == nil {
ret = uccsErr // prefer ErrBadResolver state since any other error is
@ -696,56 +668,28 @@ func (cc *ClientConn) updateResolverState(s resolver.State, err error) error {
return ret
}
// switchBalancer starts the switching from current balancer to the balancer
// with the given name.
//
// It will NOT send the current address list to the new balancer. If needed,
// caller of this function should send address list to the new balancer after
// this function returns.
// applyFailingLB is akin to configuring an LB policy on the channel which
// always fails RPCs. Here, an actual LB policy is not configured, but an always
// erroring picker is configured, which returns errors with information about
// what was invalid in the received service config. A config selector with no
// service config is configured, and the connectivity state of the channel is
// set to TransientFailure.
//
// Caller must hold cc.mu.
func (cc *ClientConn) switchBalancer(name string) {
if strings.EqualFold(cc.curBalancerName, name) {
return
}
channelz.Infof(logger, cc.channelzID, "ClientConn switching balancer to %q", name)
if cc.dopts.balancerBuilder != nil {
channelz.Info(logger, cc.channelzID, "ignoring balancer switching: Balancer DialOption used instead")
return
}
if cc.balancerWrapper != nil {
// Don't hold cc.mu while closing the balancers. The balancers may call
// methods that require cc.mu (e.g. cc.NewSubConn()). Holding the mutex
// would cause a deadlock in that case.
cc.mu.Unlock()
cc.balancerWrapper.close()
cc.mu.Lock()
}
builder := balancer.Get(name)
if builder == nil {
channelz.Warningf(logger, cc.channelzID, "Channel switches to new LB policy %q due to fallback from invalid balancer name", PickFirstBalancerName)
channelz.Infof(logger, cc.channelzID, "failed to get balancer builder for: %v, using pick_first instead", name)
builder = newPickfirstBuilder()
func (cc *ClientConn) applyFailingLB(sc *serviceconfig.ParseResult) {
var err error
if sc.Err != nil {
err = status.Errorf(codes.Unavailable, "error parsing service config: %v", sc.Err)
} else {
channelz.Infof(logger, cc.channelzID, "Channel switches to new LB policy %q", name)
err = status.Errorf(codes.Unavailable, "illegal service config type: %T", sc.Config)
}
cc.curBalancerName = builder.Name()
cc.balancerWrapper = newCCBalancerWrapper(cc, builder, cc.balancerBuildOpts)
cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{nil})
cc.blockingpicker.updatePicker(base.NewErrPicker(err))
cc.csMgr.updateState(connectivity.TransientFailure)
}
func (cc *ClientConn) handleSubConnStateChange(sc balancer.SubConn, s connectivity.State, err error) {
cc.mu.Lock()
if cc.conns == nil {
cc.mu.Unlock()
return
}
// TODO(bar switching) send updates to all balancer wrappers when balancer
// gracefully switching is supported.
cc.balancerWrapper.handleSubConnStateChange(sc, s, err)
cc.mu.Unlock()
cc.balancerWrapper.updateSubConnState(sc, s, err)
}
// newAddrConn creates an addrConn for addrs and adds it to cc.conns.
@ -768,17 +712,21 @@ func (cc *ClientConn) newAddrConn(addrs []resolver.Address, opts balancer.NewSub
cc.mu.Unlock()
return nil, ErrClientConnClosing
}
if channelz.IsOn() {
ac.channelzID = channelz.RegisterSubChannel(ac, cc.channelzID, "")
var err error
ac.channelzID, err = channelz.RegisterSubChannel(ac, cc.channelzID, "")
if err != nil {
return nil, err
}
channelz.AddTraceEvent(logger, ac.channelzID, 0, &channelz.TraceEventDesc{
Desc: "Subchannel Created",
Desc: "Subchannel created",
Severity: channelz.CtInfo,
Parent: &channelz.TraceEventDesc{
Desc: fmt.Sprintf("Subchannel(id:%d) created", ac.channelzID),
Desc: fmt.Sprintf("Subchannel(id:%d) created", ac.channelzID.Int()),
Severity: channelz.CtInfo,
},
})
}
cc.conns[ac] = struct{}{}
cc.mu.Unlock()
return ac, nil
@ -853,16 +801,31 @@ func (ac *addrConn) connect() error {
return nil
}
func equalAddresses(a, b []resolver.Address) bool {
if len(a) != len(b) {
return false
}
for i, v := range a {
if !v.Equal(b[i]) {
return false
}
}
return true
}
// tryUpdateAddrs tries to update ac.addrs with the new addresses list.
//
// If ac is Connecting, it returns false. The caller should tear down the ac and
// create a new one. Note that the backoff will be reset when this happens.
//
// If ac is TransientFailure, it updates ac.addrs and returns true. The updated
// addresses will be picked up by retry in the next iteration after backoff.
//
// If ac is Shutdown or Idle, it updates ac.addrs and returns true.
//
// If the addresses is the same as the old list, it does nothing and returns
// true.
//
// If ac is Connecting, it returns false. The caller should tear down the ac and
// create a new one. Note that the backoff will be reset when this happens.
//
// If ac is Ready, it checks whether current connected address of ac is in the
// new addrs list.
// - If true, it updates ac.addrs and returns true. The ac will keep using
@ -879,6 +842,10 @@ func (ac *addrConn) tryUpdateAddrs(addrs []resolver.Address) bool {
return true
}
if equalAddresses(ac.addrs, addrs) {
return true
}
if ac.state == connectivity.Connecting {
return false
}
@ -959,14 +926,10 @@ func (cc *ClientConn) healthCheckConfig() *healthCheckConfig {
}
func (cc *ClientConn) getTransport(ctx context.Context, failfast bool, method string) (transport.ClientTransport, func(balancer.DoneInfo), error) {
t, done, err := cc.blockingpicker.pick(ctx, failfast, balancer.PickInfo{
return cc.blockingpicker.pick(ctx, failfast, balancer.PickInfo{
Ctx: ctx,
FullMethodName: method,
})
if err != nil {
return nil, nil, toRPCErr(err)
}
return t, done, nil
}
func (cc *ClientConn) applyServiceConfigAndBalancer(sc *ServiceConfig, configSelector iresolver.ConfigSelector, addrs []resolver.Address) {
@ -991,9 +954,6 @@ func (cc *ClientConn) applyServiceConfigAndBalancer(sc *ServiceConfig, configSel
cc.retryThrottler.Store((*retryThrottler)(nil))
}
if cc.dopts.balancerBuilder == nil {
// Only look at balancer types and switch balancer if balancer dial
// option is not set.
var newBalancerName string
if cc.sc != nil && cc.sc.lbConfig != nil {
newBalancerName = cc.sc.lbConfig.name
@ -1013,13 +973,7 @@ func (cc *ClientConn) applyServiceConfigAndBalancer(sc *ServiceConfig, configSel
newBalancerName = PickFirstBalancerName
}
}
cc.switchBalancer(newBalancerName)
} else if cc.balancerWrapper == nil {
// Balancer dial option was set, and this is the first time handling
// resolved addresses. Build a balancer with dopts.balancerBuilder.
cc.curBalancerName = cc.dopts.balancerBuilder.Name()
cc.balancerWrapper = newCCBalancerWrapper(cc, cc.dopts.balancerBuilder, cc.balancerBuildOpts)
}
cc.balancerWrapper.switchTo(newBalancerName)
}
func (cc *ClientConn) resolveNow(o resolver.ResolveNowOptions) {
@ -1070,11 +1024,11 @@ func (cc *ClientConn) Close() error {
rWrapper := cc.resolverWrapper
cc.resolverWrapper = nil
bWrapper := cc.balancerWrapper
cc.balancerWrapper = nil
cc.mu.Unlock()
// The order of closing matters here since the balancer wrapper assumes the
// picker is closed before it is closed.
cc.blockingpicker.close()
if bWrapper != nil {
bWrapper.close()
}
@ -1085,22 +1039,22 @@ func (cc *ClientConn) Close() error {
for ac := range conns {
ac.tearDown(ErrClientConnClosing)
}
if channelz.IsOn() {
ted := &channelz.TraceEventDesc{
Desc: "Channel Deleted",
Desc: "Channel deleted",
Severity: channelz.CtInfo,
}
if cc.dopts.channelzParentID != 0 {
if cc.dopts.channelzParentID != nil {
ted.Parent = &channelz.TraceEventDesc{
Desc: fmt.Sprintf("Nested channel(id:%d) deleted", cc.channelzID),
Desc: fmt.Sprintf("Nested channel(id:%d) deleted", cc.channelzID.Int()),
Severity: channelz.CtInfo,
}
}
channelz.AddTraceEvent(logger, cc.channelzID, 0, ted)
// TraceEvent needs to be called before RemoveEntry, as TraceEvent may add trace reference to
// the entity being deleted, and thus prevent it from being deleted right away.
// TraceEvent needs to be called before RemoveEntry, as TraceEvent may add
// trace reference to the entity being deleted, and thus prevent it from being
// deleted right away.
channelz.RemoveEntry(cc.channelzID)
}
return nil
}
@ -1130,7 +1084,7 @@ type addrConn struct {
backoffIdx int // Needs to be stateful for resetConnectBackoff.
resetBackoff chan struct{}
channelzID int64 // channelz unique identification number.
channelzID *channelz.Identifier
czData *channelzData
}
@ -1284,6 +1238,7 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
ac.mu.Lock()
defer ac.mu.Unlock()
defer connClosed.Fire()
defer hcancel()
if !hcStarted || hctx.Err() != nil {
// We didn't start the health check or set the state to READY, so
// no need to do anything else here.
@ -1294,7 +1249,6 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
// state, since there may be a new transport in this addrConn.
return
}
hcancel()
ac.transport = nil
// Refresh the name resolver
ac.cc.resolveNow(resolver.ResolveNowOptions{})
@ -1312,14 +1266,13 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
connectCtx, cancel := context.WithDeadline(ac.ctx, connectDeadline)
defer cancel()
if channelz.IsOn() {
copts.ChannelzParentID = ac.channelzID
}
newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, addr, copts, func() { prefaceReceived.Fire() }, onGoAway, onClose)
if err != nil {
// newTr is either nil, or closed.
channelz.Warningf(logger, ac.channelzID, "grpc: addrConn.createTransport failed to connect to %v. Err: %v", addr, err)
hcancel()
channelz.Warningf(logger, ac.channelzID, "grpc: addrConn.createTransport failed to connect to %s. Err: %v", addr, err)
return err
}
@ -1332,7 +1285,7 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
newTr.Close(transport.ErrConnClosing)
if connectCtx.Err() == context.DeadlineExceeded {
err := errors.New("failed to receive server preface within timeout")
channelz.Warningf(logger, ac.channelzID, "grpc: addrConn.createTransport failed to connect to %v: %v", addr, err)
channelz.Warningf(logger, ac.channelzID, "grpc: addrConn.createTransport failed to connect to %s: %v", addr, err)
return err
}
return nil
@ -1497,19 +1450,18 @@ func (ac *addrConn) tearDown(err error) {
curTr.GracefulClose()
ac.mu.Lock()
}
if channelz.IsOn() {
channelz.AddTraceEvent(logger, ac.channelzID, 0, &channelz.TraceEventDesc{
Desc: "Subchannel Deleted",
Desc: "Subchannel deleted",
Severity: channelz.CtInfo,
Parent: &channelz.TraceEventDesc{
Desc: fmt.Sprintf("Subchanel(id:%d) deleted", ac.channelzID),
Desc: fmt.Sprintf("Subchannel(id:%d) deleted", ac.channelzID.Int()),
Severity: channelz.CtInfo,
},
})
// TraceEvent needs to be called before RemoveEntry, as TraceEvent may add trace reference to
// the entity being deleted, and thus prevent it from being deleted right away.
// TraceEvent needs to be called before RemoveEntry, as TraceEvent may add
// trace reference to the entity being deleted, and thus prevent it from
// being deleted right away.
channelz.RemoveEntry(ac.channelzID)
}
ac.mu.Unlock()
}

View file

@ -20,12 +20,11 @@ package grpc
import (
"context"
"fmt"
"net"
"time"
"google.golang.org/grpc/backoff"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/channelz"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/credentials/insecure"
"google.golang.org/grpc/internal"
@ -55,9 +54,7 @@ type dialOptions struct {
authority string
copts transport.ConnectOptions
callOptions []CallOption
// This is used by WithBalancerName dial option.
balancerBuilder balancer.Builder
channelzParentID int64
channelzParentID *channelz.Identifier
disableServiceConfig bool
disableRetry bool
disableHealthCheck bool
@ -195,25 +192,6 @@ func WithDecompressor(dc Decompressor) DialOption {
})
}
// WithBalancerName sets the balancer that the ClientConn will be initialized
// with. Balancer registered with balancerName will be used. This function
// panics if no balancer was registered by balancerName.
//
// The balancer cannot be overridden by balancer option specified by service
// config.
//
// Deprecated: use WithDefaultServiceConfig and WithDisableServiceConfig
// instead. Will be removed in a future 1.x release.
func WithBalancerName(balancerName string) DialOption {
builder := balancer.Get(balancerName)
if builder == nil {
panic(fmt.Sprintf("grpc.WithBalancerName: no balancer is registered for name %v", balancerName))
}
return newFuncDialOption(func(o *dialOptions) {
o.balancerBuilder = builder
})
}
// WithServiceConfig returns a DialOption which has a channel to read the
// service configuration.
//
@ -304,8 +282,8 @@ func WithReturnConnectionError() DialOption {
// WithCredentialsBundle or WithPerRPCCredentials) which require transport
// security is incompatible and will cause grpc.Dial() to fail.
//
// Deprecated: use WithTransportCredentials and insecure.NewCredentials() instead.
// Will be supported throughout 1.x.
// Deprecated: use WithTransportCredentials and insecure.NewCredentials()
// instead. Will be supported throughout 1.x.
func WithInsecure() DialOption {
return newFuncDialOption(func(o *dialOptions) {
o.copts.TransportCredentials = insecure.NewCredentials()
@ -498,7 +476,7 @@ func WithAuthority(a string) DialOption {
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
func WithChannelzParentID(id int64) DialOption {
func WithChannelzParentID(id *channelz.Identifier) DialOption {
return newFuncDialOption(func(o *dialOptions) {
o.channelzParentID = id
})

View file

@ -108,7 +108,7 @@ var registeredCodecs = make(map[string]Codec)
// more details.
//
// NOTE: this function must only be called during initialization time (i.e. in
// an init() function), and is not thread-safe. If multiple Compressors are
// an init() function), and is not thread-safe. If multiple Codecs are
// registered with the same name, the one registered last will take effect.
func RegisterCodec(codec Codec) {
if codec == nil {

View file

@ -0,0 +1,382 @@
/*
*
* Copyright 2022 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Package gracefulswitch implements a graceful switch load balancer.
package gracefulswitch
import (
"errors"
"fmt"
"sync"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/balancer/base"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/resolver"
)
var errBalancerClosed = errors.New("gracefulSwitchBalancer is closed")
var _ balancer.Balancer = (*Balancer)(nil)
// NewBalancer returns a graceful switch Balancer.
func NewBalancer(cc balancer.ClientConn, opts balancer.BuildOptions) *Balancer {
return &Balancer{
cc: cc,
bOpts: opts,
}
}
// Balancer is a utility to gracefully switch from one balancer to
// a new balancer. It implements the balancer.Balancer interface.
type Balancer struct {
bOpts balancer.BuildOptions
cc balancer.ClientConn
// mu protects the following fields and all fields within balancerCurrent
// and balancerPending. mu does not need to be held when calling into the
// child balancers, as all calls into these children happen only as a direct
// result of a call into the gracefulSwitchBalancer, which are also
// guaranteed to be synchronous. There is one exception: an UpdateState call
// from a child balancer when current and pending are populated can lead to
// calling Close() on the current. To prevent that racing with an
// UpdateSubConnState from the channel, we hold currentMu during Close and
// UpdateSubConnState calls.
mu sync.Mutex
balancerCurrent *balancerWrapper
balancerPending *balancerWrapper
closed bool // set to true when this balancer is closed
// currentMu must be locked before mu. This mutex guards against this
// sequence of events: UpdateSubConnState() called, finds the
// balancerCurrent, gives up lock, updateState comes in, causes Close() on
// balancerCurrent before the UpdateSubConnState is called on the
// balancerCurrent.
currentMu sync.Mutex
}
// swap swaps out the current lb with the pending lb and updates the ClientConn.
// The caller must hold gsb.mu.
func (gsb *Balancer) swap() {
gsb.cc.UpdateState(gsb.balancerPending.lastState)
cur := gsb.balancerCurrent
gsb.balancerCurrent = gsb.balancerPending
gsb.balancerPending = nil
go func() {
gsb.currentMu.Lock()
defer gsb.currentMu.Unlock()
cur.Close()
}()
}
// Helper function that checks if the balancer passed in is current or pending.
// The caller must hold gsb.mu.
func (gsb *Balancer) balancerCurrentOrPending(bw *balancerWrapper) bool {
return bw == gsb.balancerCurrent || bw == gsb.balancerPending
}
// SwitchTo initializes the graceful switch process, which completes based on
// connectivity state changes on the current/pending balancer. Thus, the switch
// process is not complete when this method returns. This method must be called
// synchronously alongside the rest of the balancer.Balancer methods this
// Graceful Switch Balancer implements.
func (gsb *Balancer) SwitchTo(builder balancer.Builder) error {
gsb.mu.Lock()
if gsb.closed {
gsb.mu.Unlock()
return errBalancerClosed
}
bw := &balancerWrapper{
gsb: gsb,
lastState: balancer.State{
ConnectivityState: connectivity.Connecting,
Picker: base.NewErrPicker(balancer.ErrNoSubConnAvailable),
},
subconns: make(map[balancer.SubConn]bool),
}
balToClose := gsb.balancerPending // nil if there is no pending balancer
if gsb.balancerCurrent == nil {
gsb.balancerCurrent = bw
} else {
gsb.balancerPending = bw
}
gsb.mu.Unlock()
balToClose.Close()
// This function takes a builder instead of a balancer because builder.Build
// can call back inline, and this utility needs to handle the callbacks.
newBalancer := builder.Build(bw, gsb.bOpts)
if newBalancer == nil {
// This is illegal and should never happen; we clear the balancerWrapper
// we were constructing if it happens to avoid a potential panic.
gsb.mu.Lock()
if gsb.balancerPending != nil {
gsb.balancerPending = nil
} else {
gsb.balancerCurrent = nil
}
gsb.mu.Unlock()
return balancer.ErrBadResolverState
}
// This write doesn't need to take gsb.mu because this field never gets read
// or written to on any calls from the current or pending. Calls from grpc
// to this balancer are guaranteed to be called synchronously, so this
// bw.Balancer field will never be forwarded to until this SwitchTo()
// function returns.
bw.Balancer = newBalancer
return nil
}
// Returns nil if the graceful switch balancer is closed.
func (gsb *Balancer) latestBalancer() *balancerWrapper {
gsb.mu.Lock()
defer gsb.mu.Unlock()
if gsb.balancerPending != nil {
return gsb.balancerPending
}
return gsb.balancerCurrent
}
// UpdateClientConnState forwards the update to the latest balancer created.
func (gsb *Balancer) UpdateClientConnState(state balancer.ClientConnState) error {
// The resolver data is only relevant to the most recent LB Policy.
balToUpdate := gsb.latestBalancer()
if balToUpdate == nil {
return errBalancerClosed
}
// Perform this call without gsb.mu to prevent deadlocks if the child calls
// back into the channel. The latest balancer can never be closed during a
// call from the channel, even without gsb.mu held.
return balToUpdate.UpdateClientConnState(state)
}
// ResolverError forwards the error to the latest balancer created.
func (gsb *Balancer) ResolverError(err error) {
// The resolver data is only relevant to the most recent LB Policy.
balToUpdate := gsb.latestBalancer()
if balToUpdate == nil {
return
}
// Perform this call without gsb.mu to prevent deadlocks if the child calls
// back into the channel. The latest balancer can never be closed during a
// call from the channel, even without gsb.mu held.
balToUpdate.ResolverError(err)
}
// ExitIdle forwards the call to the latest balancer created.
//
// If the latest balancer does not support ExitIdle, the subConns are
// re-connected to manually.
func (gsb *Balancer) ExitIdle() {
balToUpdate := gsb.latestBalancer()
if balToUpdate == nil {
return
}
// There is no need to protect this read with a mutex, as the write to the
// Balancer field happens in SwitchTo, which completes before this can be
// called.
if ei, ok := balToUpdate.Balancer.(balancer.ExitIdler); ok {
ei.ExitIdle()
return
}
for sc := range balToUpdate.subconns {
sc.Connect()
}
}
// UpdateSubConnState forwards the update to the appropriate child.
func (gsb *Balancer) UpdateSubConnState(sc balancer.SubConn, state balancer.SubConnState) {
gsb.currentMu.Lock()
defer gsb.currentMu.Unlock()
gsb.mu.Lock()
// Forward update to the appropriate child. Even if there is a pending
// balancer, the current balancer should continue to get SubConn updates to
// maintain the proper state while the pending is still connecting.
var balToUpdate *balancerWrapper
if gsb.balancerCurrent != nil && gsb.balancerCurrent.subconns[sc] {
balToUpdate = gsb.balancerCurrent
} else if gsb.balancerPending != nil && gsb.balancerPending.subconns[sc] {
balToUpdate = gsb.balancerPending
}
gsb.mu.Unlock()
if balToUpdate == nil {
// SubConn belonged to a stale lb policy that has not yet fully closed,
// or the balancer was already closed.
return
}
balToUpdate.UpdateSubConnState(sc, state)
}
// Close closes any active child balancers.
func (gsb *Balancer) Close() {
gsb.mu.Lock()
gsb.closed = true
currentBalancerToClose := gsb.balancerCurrent
gsb.balancerCurrent = nil
pendingBalancerToClose := gsb.balancerPending
gsb.balancerPending = nil
gsb.mu.Unlock()
currentBalancerToClose.Close()
pendingBalancerToClose.Close()
}
// balancerWrapper wraps a balancer.Balancer, and overrides some Balancer
// methods to help cleanup SubConns created by the wrapped balancer.
//
// It implements the balancer.ClientConn interface and is passed down in that
// capacity to the wrapped balancer. It maintains a set of subConns created by
// the wrapped balancer and calls from the latter to create/update/remove
// SubConns update this set before being forwarded to the parent ClientConn.
// State updates from the wrapped balancer can result in invocation of the
// graceful switch logic.
type balancerWrapper struct {
balancer.Balancer
gsb *Balancer
lastState balancer.State
subconns map[balancer.SubConn]bool // subconns created by this balancer
}
func (bw *balancerWrapper) UpdateSubConnState(sc balancer.SubConn, state balancer.SubConnState) {
if state.ConnectivityState == connectivity.Shutdown {
bw.gsb.mu.Lock()
delete(bw.subconns, sc)
bw.gsb.mu.Unlock()
}
// There is no need to protect this read with a mutex, as the write to the
// Balancer field happens in SwitchTo, which completes before this can be
// called.
bw.Balancer.UpdateSubConnState(sc, state)
}
// Close closes the underlying LB policy and removes the subconns it created. bw
// must not be referenced via balancerCurrent or balancerPending in gsb when
// called. gsb.mu must not be held. Does not panic with a nil receiver.
func (bw *balancerWrapper) Close() {
// before Close is called.
if bw == nil {
return
}
// There is no need to protect this read with a mutex, as Close() is
// impossible to be called concurrently with the write in SwitchTo(). The
// callsites of Close() for this balancer in Graceful Switch Balancer will
// never be called until SwitchTo() returns.
bw.Balancer.Close()
bw.gsb.mu.Lock()
for sc := range bw.subconns {
bw.gsb.cc.RemoveSubConn(sc)
}
bw.gsb.mu.Unlock()
}
func (bw *balancerWrapper) UpdateState(state balancer.State) {
// Hold the mutex for this entire call to ensure it cannot occur
// concurrently with other updateState() calls. This causes updates to
// lastState and calls to cc.UpdateState to happen atomically.
bw.gsb.mu.Lock()
defer bw.gsb.mu.Unlock()
bw.lastState = state
if !bw.gsb.balancerCurrentOrPending(bw) {
return
}
if bw == bw.gsb.balancerCurrent {
// In the case that the current balancer exits READY, and there is a pending
// balancer, you can forward the pending balancer's cached State up to
// ClientConn and swap the pending into the current. This is because there
// is no reason to gracefully switch from and keep using the old policy as
// the ClientConn is not connected to any backends.
if state.ConnectivityState != connectivity.Ready && bw.gsb.balancerPending != nil {
bw.gsb.swap()
return
}
// Even if there is a pending balancer waiting to be gracefully switched to,
// continue to forward current balancer updates to the Client Conn. Ignoring
// state + picker from the current would cause undefined behavior/cause the
// system to behave incorrectly from the current LB policies perspective.
// Also, the current LB is still being used by grpc to choose SubConns per
// RPC, and thus should use the most updated form of the current balancer.
bw.gsb.cc.UpdateState(state)
return
}
// This method is now dealing with a state update from the pending balancer.
// If the current balancer is currently in a state other than READY, the new
// policy can be swapped into place immediately. This is because there is no
// reason to gracefully switch from and keep using the old policy as the
// ClientConn is not connected to any backends.
if state.ConnectivityState != connectivity.Connecting || bw.gsb.balancerCurrent.lastState.ConnectivityState != connectivity.Ready {
bw.gsb.swap()
}
}
func (bw *balancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer.NewSubConnOptions) (balancer.SubConn, error) {
bw.gsb.mu.Lock()
if !bw.gsb.balancerCurrentOrPending(bw) {
bw.gsb.mu.Unlock()
return nil, fmt.Errorf("%T at address %p that called NewSubConn is deleted", bw, bw)
}
bw.gsb.mu.Unlock()
sc, err := bw.gsb.cc.NewSubConn(addrs, opts)
if err != nil {
return nil, err
}
bw.gsb.mu.Lock()
if !bw.gsb.balancerCurrentOrPending(bw) { // balancer was closed during this call
bw.gsb.cc.RemoveSubConn(sc)
bw.gsb.mu.Unlock()
return nil, fmt.Errorf("%T at address %p that called NewSubConn is deleted", bw, bw)
}
bw.subconns[sc] = true
bw.gsb.mu.Unlock()
return sc, nil
}
func (bw *balancerWrapper) ResolveNow(opts resolver.ResolveNowOptions) {
// Ignore ResolveNow requests from anything other than the most recent
// balancer, because older balancers were already removed from the config.
if bw != bw.gsb.latestBalancer() {
return
}
bw.gsb.cc.ResolveNow(opts)
}
func (bw *balancerWrapper) RemoveSubConn(sc balancer.SubConn) {
bw.gsb.mu.Lock()
if !bw.gsb.balancerCurrentOrPending(bw) {
bw.gsb.mu.Unlock()
return
}
bw.gsb.mu.Unlock()
bw.gsb.cc.RemoveSubConn(sc)
}
func (bw *balancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resolver.Address) {
bw.gsb.mu.Lock()
if !bw.gsb.balancerCurrentOrPending(bw) {
bw.gsb.mu.Unlock()
return
}
bw.gsb.mu.Unlock()
bw.gsb.cc.UpdateAddresses(sc, addrs)
}
func (bw *balancerWrapper) Target() string {
return bw.gsb.cc.Target()
}

View file

@ -31,7 +31,7 @@ import (
// Logger is the global binary logger. It can be used to get binary logger for
// each method.
type Logger interface {
getMethodLogger(methodName string) *MethodLogger
GetMethodLogger(methodName string) MethodLogger
}
// binLogger is the global binary logger for the binary. One of this should be
@ -49,17 +49,24 @@ func SetLogger(l Logger) {
binLogger = l
}
// GetLogger gets the binarg logger.
//
// Only call this at init time.
func GetLogger() Logger {
return binLogger
}
// GetMethodLogger returns the methodLogger for the given methodName.
//
// methodName should be in the format of "/service/method".
//
// Each methodLogger returned by this method is a new instance. This is to
// generate sequence id within the call.
func GetMethodLogger(methodName string) *MethodLogger {
func GetMethodLogger(methodName string) MethodLogger {
if binLogger == nil {
return nil
}
return binLogger.getMethodLogger(methodName)
return binLogger.GetMethodLogger(methodName)
}
func init() {
@ -68,17 +75,29 @@ func init() {
binLogger = NewLoggerFromConfigString(configStr)
}
type methodLoggerConfig struct {
// MethodLoggerConfig contains the setting for logging behavior of a method
// logger. Currently, it contains the max length of header and message.
type MethodLoggerConfig struct {
// Max length of header and message.
hdr, msg uint64
Header, Message uint64
}
// LoggerConfig contains the config for loggers to create method loggers.
type LoggerConfig struct {
All *MethodLoggerConfig
Services map[string]*MethodLoggerConfig
Methods map[string]*MethodLoggerConfig
Blacklist map[string]struct{}
}
type logger struct {
all *methodLoggerConfig
services map[string]*methodLoggerConfig
methods map[string]*methodLoggerConfig
config LoggerConfig
}
blacklist map[string]struct{}
// NewLoggerFromConfig builds a logger with the given LoggerConfig.
func NewLoggerFromConfig(config LoggerConfig) Logger {
return &logger{config: config}
}
// newEmptyLogger creates an empty logger. The map fields need to be filled in
@ -88,57 +107,57 @@ func newEmptyLogger() *logger {
}
// Set method logger for "*".
func (l *logger) setDefaultMethodLogger(ml *methodLoggerConfig) error {
if l.all != nil {
func (l *logger) setDefaultMethodLogger(ml *MethodLoggerConfig) error {
if l.config.All != nil {
return fmt.Errorf("conflicting global rules found")
}
l.all = ml
l.config.All = ml
return nil
}
// Set method logger for "service/*".
//
// New methodLogger with same service overrides the old one.
func (l *logger) setServiceMethodLogger(service string, ml *methodLoggerConfig) error {
if _, ok := l.services[service]; ok {
func (l *logger) setServiceMethodLogger(service string, ml *MethodLoggerConfig) error {
if _, ok := l.config.Services[service]; ok {
return fmt.Errorf("conflicting service rules for service %v found", service)
}
if l.services == nil {
l.services = make(map[string]*methodLoggerConfig)
if l.config.Services == nil {
l.config.Services = make(map[string]*MethodLoggerConfig)
}
l.services[service] = ml
l.config.Services[service] = ml
return nil
}
// Set method logger for "service/method".
//
// New methodLogger with same method overrides the old one.
func (l *logger) setMethodMethodLogger(method string, ml *methodLoggerConfig) error {
if _, ok := l.blacklist[method]; ok {
func (l *logger) setMethodMethodLogger(method string, ml *MethodLoggerConfig) error {
if _, ok := l.config.Blacklist[method]; ok {
return fmt.Errorf("conflicting blacklist rules for method %v found", method)
}
if _, ok := l.methods[method]; ok {
if _, ok := l.config.Methods[method]; ok {
return fmt.Errorf("conflicting method rules for method %v found", method)
}
if l.methods == nil {
l.methods = make(map[string]*methodLoggerConfig)
if l.config.Methods == nil {
l.config.Methods = make(map[string]*MethodLoggerConfig)
}
l.methods[method] = ml
l.config.Methods[method] = ml
return nil
}
// Set blacklist method for "-service/method".
func (l *logger) setBlacklist(method string) error {
if _, ok := l.blacklist[method]; ok {
if _, ok := l.config.Blacklist[method]; ok {
return fmt.Errorf("conflicting blacklist rules for method %v found", method)
}
if _, ok := l.methods[method]; ok {
if _, ok := l.config.Methods[method]; ok {
return fmt.Errorf("conflicting method rules for method %v found", method)
}
if l.blacklist == nil {
l.blacklist = make(map[string]struct{})
if l.config.Blacklist == nil {
l.config.Blacklist = make(map[string]struct{})
}
l.blacklist[method] = struct{}{}
l.config.Blacklist[method] = struct{}{}
return nil
}
@ -148,23 +167,23 @@ func (l *logger) setBlacklist(method string) error {
//
// Each methodLogger returned by this method is a new instance. This is to
// generate sequence id within the call.
func (l *logger) getMethodLogger(methodName string) *MethodLogger {
func (l *logger) GetMethodLogger(methodName string) MethodLogger {
s, m, err := grpcutil.ParseMethod(methodName)
if err != nil {
grpclogLogger.Infof("binarylogging: failed to parse %q: %v", methodName, err)
return nil
}
if ml, ok := l.methods[s+"/"+m]; ok {
return newMethodLogger(ml.hdr, ml.msg)
if ml, ok := l.config.Methods[s+"/"+m]; ok {
return newMethodLogger(ml.Header, ml.Message)
}
if _, ok := l.blacklist[s+"/"+m]; ok {
if _, ok := l.config.Blacklist[s+"/"+m]; ok {
return nil
}
if ml, ok := l.services[s]; ok {
return newMethodLogger(ml.hdr, ml.msg)
if ml, ok := l.config.Services[s]; ok {
return newMethodLogger(ml.Header, ml.Message)
}
if l.all == nil {
if l.config.All == nil {
return nil
}
return newMethodLogger(l.all.hdr, l.all.msg)
return newMethodLogger(l.config.All.Header, l.config.All.Message)
}

View file

@ -89,7 +89,7 @@ func (l *logger) fillMethodLoggerWithConfigString(config string) error {
if err != nil {
return fmt.Errorf("invalid config: %q, %v", config, err)
}
if err := l.setDefaultMethodLogger(&methodLoggerConfig{hdr: hdr, msg: msg}); err != nil {
if err := l.setDefaultMethodLogger(&MethodLoggerConfig{Header: hdr, Message: msg}); err != nil {
return fmt.Errorf("invalid config: %v", err)
}
return nil
@ -104,11 +104,11 @@ func (l *logger) fillMethodLoggerWithConfigString(config string) error {
return fmt.Errorf("invalid header/message length config: %q, %v", suffix, err)
}
if m == "*" {
if err := l.setServiceMethodLogger(s, &methodLoggerConfig{hdr: hdr, msg: msg}); err != nil {
if err := l.setServiceMethodLogger(s, &MethodLoggerConfig{Header: hdr, Message: msg}); err != nil {
return fmt.Errorf("invalid config: %v", err)
}
} else {
if err := l.setMethodMethodLogger(s+"/"+m, &methodLoggerConfig{hdr: hdr, msg: msg}); err != nil {
if err := l.setMethodMethodLogger(s+"/"+m, &MethodLoggerConfig{Header: hdr, Message: msg}); err != nil {
return fmt.Errorf("invalid config: %v", err)
}
}

View file

@ -48,7 +48,11 @@ func (g *callIDGenerator) reset() {
var idGen callIDGenerator
// MethodLogger is the sub-logger for each method.
type MethodLogger struct {
type MethodLogger interface {
Log(LogEntryConfig)
}
type methodLogger struct {
headerMaxLen, messageMaxLen uint64
callID uint64
@ -57,8 +61,8 @@ type MethodLogger struct {
sink Sink // TODO(blog): make this plugable.
}
func newMethodLogger(h, m uint64) *MethodLogger {
return &MethodLogger{
func newMethodLogger(h, m uint64) *methodLogger {
return &methodLogger{
headerMaxLen: h,
messageMaxLen: m,
@ -69,8 +73,10 @@ func newMethodLogger(h, m uint64) *MethodLogger {
}
}
// Log creates a proto binary log entry, and logs it to the sink.
func (ml *MethodLogger) Log(c LogEntryConfig) {
// Build is an internal only method for building the proto message out of the
// input event. It's made public to enable other library to reuse as much logic
// in methodLogger as possible.
func (ml *methodLogger) Build(c LogEntryConfig) *pb.GrpcLogEntry {
m := c.toProto()
timestamp, _ := ptypes.TimestampProto(time.Now())
m.Timestamp = timestamp
@ -85,11 +91,15 @@ func (ml *MethodLogger) Log(c LogEntryConfig) {
case *pb.GrpcLogEntry_Message:
m.PayloadTruncated = ml.truncateMessage(pay.Message)
}
ml.sink.Write(m)
return m
}
func (ml *MethodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated bool) {
// Log creates a proto binary log entry, and logs it to the sink.
func (ml *methodLogger) Log(c LogEntryConfig) {
ml.sink.Write(ml.Build(c))
}
func (ml *methodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated bool) {
if ml.headerMaxLen == maxUInt {
return false
}
@ -119,7 +129,7 @@ func (ml *MethodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated bool) {
return truncated
}
func (ml *MethodLogger) truncateMessage(msgPb *pb.Message) (truncated bool) {
func (ml *methodLogger) truncateMessage(msgPb *pb.Message) (truncated bool) {
if ml.messageMaxLen == maxUInt {
return false
}

View file

@ -25,6 +25,7 @@ package channelz
import (
"context"
"errors"
"fmt"
"sort"
"sync"
@ -184,54 +185,77 @@ func GetServer(id int64) *ServerMetric {
return db.get().GetServer(id)
}
// RegisterChannel registers the given channel c in channelz database with ref
// as its reference name, and add it to the child list of its parent (identified
// by pid). pid = 0 means no parent. It returns the unique channelz tracking id
// assigned to this channel.
func RegisterChannel(c Channel, pid int64, ref string) int64 {
// RegisterChannel registers the given channel c in the channelz database with
// ref as its reference name, and adds it to the child list of its parent
// (identified by pid). pid == nil means no parent.
//
// Returns a unique channelz identifier assigned to this channel.
//
// If channelz is not turned ON, the channelz database is not mutated.
func RegisterChannel(c Channel, pid *Identifier, ref string) *Identifier {
id := idGen.genID()
var parent int64
isTopChannel := true
if pid != nil {
isTopChannel = false
parent = pid.Int()
}
if !IsOn() {
return newIdentifer(RefChannel, id, pid)
}
cn := &channel{
refName: ref,
c: c,
subChans: make(map[int64]string),
nestedChans: make(map[int64]string),
id: id,
pid: pid,
pid: parent,
trace: &channelTrace{createdTime: time.Now(), events: make([]*TraceEvent, 0, getMaxTraceEntry())},
}
if pid == 0 {
db.get().addChannel(id, cn, true, pid)
} else {
db.get().addChannel(id, cn, false, pid)
}
return id
db.get().addChannel(id, cn, isTopChannel, parent)
return newIdentifer(RefChannel, id, pid)
}
// RegisterSubChannel registers the given channel c in channelz database with ref
// as its reference name, and add it to the child list of its parent (identified
// by pid). It returns the unique channelz tracking id assigned to this subchannel.
func RegisterSubChannel(c Channel, pid int64, ref string) int64 {
if pid == 0 {
logger.Error("a SubChannel's parent id cannot be 0")
return 0
// RegisterSubChannel registers the given subChannel c in the channelz database
// with ref as its reference name, and adds it to the child list of its parent
// (identified by pid).
//
// Returns a unique channelz identifier assigned to this subChannel.
//
// If channelz is not turned ON, the channelz database is not mutated.
func RegisterSubChannel(c Channel, pid *Identifier, ref string) (*Identifier, error) {
if pid == nil {
return nil, errors.New("a SubChannel's parent id cannot be nil")
}
id := idGen.genID()
if !IsOn() {
return newIdentifer(RefSubChannel, id, pid), nil
}
sc := &subChannel{
refName: ref,
c: c,
sockets: make(map[int64]string),
id: id,
pid: pid,
pid: pid.Int(),
trace: &channelTrace{createdTime: time.Now(), events: make([]*TraceEvent, 0, getMaxTraceEntry())},
}
db.get().addSubChannel(id, sc, pid)
return id
db.get().addSubChannel(id, sc, pid.Int())
return newIdentifer(RefSubChannel, id, pid), nil
}
// RegisterServer registers the given server s in channelz database. It returns
// the unique channelz tracking id assigned to this server.
func RegisterServer(s Server, ref string) int64 {
//
// If channelz is not turned ON, the channelz database is not mutated.
func RegisterServer(s Server, ref string) *Identifier {
id := idGen.genID()
if !IsOn() {
return newIdentifer(RefServer, id, nil)
}
svr := &server{
refName: ref,
s: s,
@ -240,71 +264,92 @@ func RegisterServer(s Server, ref string) int64 {
id: id,
}
db.get().addServer(id, svr)
return id
return newIdentifer(RefServer, id, nil)
}
// RegisterListenSocket registers the given listen socket s in channelz database
// with ref as its reference name, and add it to the child list of its parent
// (identified by pid). It returns the unique channelz tracking id assigned to
// this listen socket.
func RegisterListenSocket(s Socket, pid int64, ref string) int64 {
if pid == 0 {
logger.Error("a ListenSocket's parent id cannot be 0")
return 0
//
// If channelz is not turned ON, the channelz database is not mutated.
func RegisterListenSocket(s Socket, pid *Identifier, ref string) (*Identifier, error) {
if pid == nil {
return nil, errors.New("a ListenSocket's parent id cannot be 0")
}
id := idGen.genID()
ls := &listenSocket{refName: ref, s: s, id: id, pid: pid}
db.get().addListenSocket(id, ls, pid)
return id
if !IsOn() {
return newIdentifer(RefListenSocket, id, pid), nil
}
ls := &listenSocket{refName: ref, s: s, id: id, pid: pid.Int()}
db.get().addListenSocket(id, ls, pid.Int())
return newIdentifer(RefListenSocket, id, pid), nil
}
// RegisterNormalSocket registers the given normal socket s in channelz database
// with ref as its reference name, and add it to the child list of its parent
// with ref as its reference name, and adds it to the child list of its parent
// (identified by pid). It returns the unique channelz tracking id assigned to
// this normal socket.
func RegisterNormalSocket(s Socket, pid int64, ref string) int64 {
if pid == 0 {
logger.Error("a NormalSocket's parent id cannot be 0")
return 0
//
// If channelz is not turned ON, the channelz database is not mutated.
func RegisterNormalSocket(s Socket, pid *Identifier, ref string) (*Identifier, error) {
if pid == nil {
return nil, errors.New("a NormalSocket's parent id cannot be 0")
}
id := idGen.genID()
ns := &normalSocket{refName: ref, s: s, id: id, pid: pid}
db.get().addNormalSocket(id, ns, pid)
return id
if !IsOn() {
return newIdentifer(RefNormalSocket, id, pid), nil
}
ns := &normalSocket{refName: ref, s: s, id: id, pid: pid.Int()}
db.get().addNormalSocket(id, ns, pid.Int())
return newIdentifer(RefNormalSocket, id, pid), nil
}
// RemoveEntry removes an entry with unique channelz tracking id to be id from
// channelz database.
func RemoveEntry(id int64) {
db.get().removeEntry(id)
//
// If channelz is not turned ON, this function is a no-op.
func RemoveEntry(id *Identifier) {
if !IsOn() {
return
}
db.get().removeEntry(id.Int())
}
// TraceEventDesc is what the caller of AddTraceEvent should provide to describe the event to be added
// to the channel trace.
// The Parent field is optional. It is used for event that will be recorded in the entity's parent
// trace also.
// TraceEventDesc is what the caller of AddTraceEvent should provide to describe
// the event to be added to the channel trace.
//
// The Parent field is optional. It is used for an event that will be recorded
// in the entity's parent trace.
type TraceEventDesc struct {
Desc string
Severity Severity
Parent *TraceEventDesc
}
// AddTraceEvent adds trace related to the entity with specified id, using the provided TraceEventDesc.
func AddTraceEvent(l grpclog.DepthLoggerV2, id int64, depth int, desc *TraceEventDesc) {
for d := desc; d != nil; d = d.Parent {
switch d.Severity {
// AddTraceEvent adds trace related to the entity with specified id, using the
// provided TraceEventDesc.
//
// If channelz is not turned ON, this will simply log the event descriptions.
func AddTraceEvent(l grpclog.DepthLoggerV2, id *Identifier, depth int, desc *TraceEventDesc) {
// Log only the trace description associated with the bottom most entity.
switch desc.Severity {
case CtUnknown, CtInfo:
l.InfoDepth(depth+1, d.Desc)
l.InfoDepth(depth+1, withParens(id)+desc.Desc)
case CtWarning:
l.WarningDepth(depth+1, d.Desc)
l.WarningDepth(depth+1, withParens(id)+desc.Desc)
case CtError:
l.ErrorDepth(depth+1, d.Desc)
}
l.ErrorDepth(depth+1, withParens(id)+desc.Desc)
}
if getMaxTraceEntry() == 0 {
return
}
db.get().traceEvent(id, desc)
if IsOn() {
db.get().traceEvent(id.Int(), desc)
}
}
// channelMap is the storage data structure for channelz.

75
vendor/google.golang.org/grpc/internal/channelz/id.go generated vendored Normal file
View file

@ -0,0 +1,75 @@
/*
*
* Copyright 2022 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package channelz
import "fmt"
// Identifier is an opaque identifier which uniquely identifies an entity in the
// channelz database.
type Identifier struct {
typ RefChannelType
id int64
str string
pid *Identifier
}
// Type returns the entity type corresponding to id.
func (id *Identifier) Type() RefChannelType {
return id.typ
}
// Int returns the integer identifier corresponding to id.
func (id *Identifier) Int() int64 {
return id.id
}
// String returns a string representation of the entity corresponding to id.
//
// This includes some information about the parent as well. Examples:
// Top-level channel: [Channel #channel-number]
// Nested channel: [Channel #parent-channel-number Channel #channel-number]
// Sub channel: [Channel #parent-channel SubChannel #subchannel-number]
func (id *Identifier) String() string {
return id.str
}
// Equal returns true if other is the same as id.
func (id *Identifier) Equal(other *Identifier) bool {
if (id != nil) != (other != nil) {
return false
}
if id == nil && other == nil {
return true
}
return id.typ == other.typ && id.id == other.id && id.pid == other.pid
}
// NewIdentifierForTesting returns a new opaque identifier to be used only for
// testing purposes.
func NewIdentifierForTesting(typ RefChannelType, id int64, pid *Identifier) *Identifier {
return newIdentifer(typ, id, pid)
}
func newIdentifer(typ RefChannelType, id int64, pid *Identifier) *Identifier {
str := fmt.Sprintf("%s #%d", typ, id)
if pid != nil {
str = fmt.Sprintf("%s %s", pid, str)
}
return &Identifier{typ: typ, id: id, str: str, pid: pid}
}

View file

@ -26,77 +26,54 @@ import (
var logger = grpclog.Component("channelz")
func withParens(id *Identifier) string {
return "[" + id.String() + "] "
}
// Info logs and adds a trace event if channelz is on.
func Info(l grpclog.DepthLoggerV2, id int64, args ...interface{}) {
if IsOn() {
func Info(l grpclog.DepthLoggerV2, id *Identifier, args ...interface{}) {
AddTraceEvent(l, id, 1, &TraceEventDesc{
Desc: fmt.Sprint(args...),
Severity: CtInfo,
})
} else {
l.InfoDepth(1, args...)
}
}
// Infof logs and adds a trace event if channelz is on.
func Infof(l grpclog.DepthLoggerV2, id int64, format string, args ...interface{}) {
msg := fmt.Sprintf(format, args...)
if IsOn() {
func Infof(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...interface{}) {
AddTraceEvent(l, id, 1, &TraceEventDesc{
Desc: msg,
Desc: fmt.Sprintf(format, args...),
Severity: CtInfo,
})
} else {
l.InfoDepth(1, msg)
}
}
// Warning logs and adds a trace event if channelz is on.
func Warning(l grpclog.DepthLoggerV2, id int64, args ...interface{}) {
if IsOn() {
func Warning(l grpclog.DepthLoggerV2, id *Identifier, args ...interface{}) {
AddTraceEvent(l, id, 1, &TraceEventDesc{
Desc: fmt.Sprint(args...),
Severity: CtWarning,
})
} else {
l.WarningDepth(1, args...)
}
}
// Warningf logs and adds a trace event if channelz is on.
func Warningf(l grpclog.DepthLoggerV2, id int64, format string, args ...interface{}) {
msg := fmt.Sprintf(format, args...)
if IsOn() {
func Warningf(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...interface{}) {
AddTraceEvent(l, id, 1, &TraceEventDesc{
Desc: msg,
Desc: fmt.Sprintf(format, args...),
Severity: CtWarning,
})
} else {
l.WarningDepth(1, msg)
}
}
// Error logs and adds a trace event if channelz is on.
func Error(l grpclog.DepthLoggerV2, id int64, args ...interface{}) {
if IsOn() {
func Error(l grpclog.DepthLoggerV2, id *Identifier, args ...interface{}) {
AddTraceEvent(l, id, 1, &TraceEventDesc{
Desc: fmt.Sprint(args...),
Severity: CtError,
})
} else {
l.ErrorDepth(1, args...)
}
}
// Errorf logs and adds a trace event if channelz is on.
func Errorf(l grpclog.DepthLoggerV2, id int64, format string, args ...interface{}) {
msg := fmt.Sprintf(format, args...)
if IsOn() {
func Errorf(l grpclog.DepthLoggerV2, id *Identifier, format string, args ...interface{}) {
AddTraceEvent(l, id, 1, &TraceEventDesc{
Desc: msg,
Desc: fmt.Sprintf(format, args...),
Severity: CtError,
})
} else {
l.ErrorDepth(1, msg)
}
}

View file

@ -686,12 +686,33 @@ const (
type RefChannelType int
const (
// RefUnknown indicates an unknown entity type, the zero value for this type.
RefUnknown RefChannelType = iota
// RefChannel indicates the referenced entity is a Channel.
RefChannel RefChannelType = iota
RefChannel
// RefSubChannel indicates the referenced entity is a SubChannel.
RefSubChannel
// RefServer indicates the referenced entity is a Server.
RefServer
// RefListenSocket indicates the referenced entity is a ListenSocket.
RefListenSocket
// RefNormalSocket indicates the referenced entity is a NormalSocket.
RefNormalSocket
)
var refChannelTypeToString = map[RefChannelType]string{
RefUnknown: "Unknown",
RefChannel: "Channel",
RefSubChannel: "SubChannel",
RefServer: "Server",
RefListenSocket: "ListenSocket",
RefNormalSocket: "NormalSocket",
}
func (r RefChannelType) String() string {
return refChannelTypeToString[r]
}
func (c *channelTrace) dumpData() *ChannelTrace {
c.mu.Lock()
ct := &ChannelTrace{EventNum: c.eventCount, CreationTime: c.createdTime}

View file

@ -20,13 +20,6 @@
package googlecloud
import (
"errors"
"fmt"
"io"
"io/ioutil"
"os"
"os/exec"
"regexp"
"runtime"
"strings"
"sync"
@ -35,43 +28,9 @@ import (
internalgrpclog "google.golang.org/grpc/internal/grpclog"
)
const (
linuxProductNameFile = "/sys/class/dmi/id/product_name"
windowsCheckCommand = "powershell.exe"
windowsCheckCommandArgs = "Get-WmiObject -Class Win32_BIOS"
powershellOutputFilter = "Manufacturer"
windowsManufacturerRegex = ":(.*)"
logPrefix = "[googlecloud]"
)
const logPrefix = "[googlecloud]"
var (
// The following two variables will be reassigned in tests.
runningOS = runtime.GOOS
manufacturerReader = func() (io.Reader, error) {
switch runningOS {
case "linux":
return os.Open(linuxProductNameFile)
case "windows":
cmd := exec.Command(windowsCheckCommand, windowsCheckCommandArgs)
out, err := cmd.Output()
if err != nil {
return nil, err
}
for _, line := range strings.Split(strings.TrimSuffix(string(out), "\n"), "\n") {
if strings.HasPrefix(line, powershellOutputFilter) {
re := regexp.MustCompile(windowsManufacturerRegex)
name := re.FindString(line)
name = strings.TrimLeft(name, ":")
return strings.NewReader(name), nil
}
}
return nil, errors.New("cannot determine the machine's manufacturer")
default:
return nil, fmt.Errorf("%s is not supported", runningOS)
}
}
vmOnGCEOnce sync.Once
vmOnGCE bool
@ -84,21 +43,21 @@ var (
// package. We keep this to avoid depending on the cloud library module.
func OnGCE() bool {
vmOnGCEOnce.Do(func() {
vmOnGCE = isRunningOnGCE()
mf, err := manufacturer()
if err != nil {
logger.Infof("failed to read manufacturer, setting onGCE=false: %v")
return
}
vmOnGCE = isRunningOnGCE(mf, runtime.GOOS)
})
return vmOnGCE
}
// isRunningOnGCE checks whether the local system, without doing a network request is
// isRunningOnGCE checks whether the local system, without doing a network request, is
// running on GCP.
func isRunningOnGCE() bool {
manufacturer, err := readManufacturer()
if err != nil {
logger.Infof("failed to read manufacturer %v, returning OnGCE=false", err)
return false
}
func isRunningOnGCE(manufacturer []byte, goos string) bool {
name := string(manufacturer)
switch runningOS {
switch goos {
case "linux":
name = strings.TrimSpace(name)
return name == "Google" || name == "Google Compute Engine"
@ -111,18 +70,3 @@ func isRunningOnGCE() bool {
return false
}
}
func readManufacturer() ([]byte, error) {
reader, err := manufacturerReader()
if err != nil {
return nil, err
}
if reader == nil {
return nil, errors.New("got nil reader")
}
manufacturer, err := ioutil.ReadAll(reader)
if err != nil {
return nil, fmt.Errorf("failed reading %v: %v", linuxProductNameFile, err)
}
return manufacturer, nil
}

View file

@ -0,0 +1,26 @@
//go:build !(linux || windows)
// +build !linux,!windows
/*
*
* Copyright 2022 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package googlecloud
func manufacturer() ([]byte, error) {
return nil, nil
}

View file

@ -0,0 +1,27 @@
/*
*
* Copyright 2022 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package googlecloud
import "io/ioutil"
const linuxProductNameFile = "/sys/class/dmi/id/product_name"
func manufacturer() ([]byte, error) {
return ioutil.ReadFile(linuxProductNameFile)
}

View file

@ -0,0 +1,50 @@
/*
*
* Copyright 2022 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package googlecloud
import (
"errors"
"os/exec"
"regexp"
"strings"
)
const (
windowsCheckCommand = "powershell.exe"
windowsCheckCommandArgs = "Get-WmiObject -Class Win32_BIOS"
powershellOutputFilter = "Manufacturer"
windowsManufacturerRegex = ":(.*)"
)
func manufacturer() ([]byte, error) {
cmd := exec.Command(windowsCheckCommand, windowsCheckCommandArgs)
out, err := cmd.Output()
if err != nil {
return nil, err
}
for _, line := range strings.Split(strings.TrimSuffix(string(out), "\n"), "\n") {
if strings.HasPrefix(line, powershellOutputFilter) {
re := regexp.MustCompile(windowsManufacturerRegex)
name := re.FindString(line)
name = strings.TrimLeft(name, ":")
return []byte(name), nil
}
}
return nil, errors.New("cannot determine the machine's manufacturer")
}

View file

@ -85,3 +85,9 @@ const (
// that supports backend returned by grpclb balancer.
CredsBundleModeBackendFromBalancer = "backend-from-balancer"
)
// RLSLoadBalancingPolicyName is the name of the RLS LB policy.
//
// It currently has an experimental suffix which would be removed once
// end-to-end testing of the policy is completed.
const RLSLoadBalancingPolicyName = "rls_experimental"

View file

@ -22,6 +22,9 @@
package metadata
import (
"fmt"
"strings"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/resolver"
)
@ -72,3 +75,46 @@ func Set(addr resolver.Address, md metadata.MD) resolver.Address {
addr.Attributes = addr.Attributes.WithValue(mdKey, mdValue(md))
return addr
}
// Validate returns an error if the input md contains invalid keys or values.
//
// If the header is not a pseudo-header, the following items are checked:
// - header names must contain one or more characters from this set [0-9 a-z _ - .].
// - if the header-name ends with a "-bin" suffix, no validation of the header value is performed.
// - otherwise, the header value must contain one or more characters from the set [%x20-%x7E].
func Validate(md metadata.MD) error {
for k, vals := range md {
// pseudo-header will be ignored
if k[0] == ':' {
continue
}
// check key, for i that saving a conversion if not using for range
for i := 0; i < len(k); i++ {
r := k[i]
if !(r >= 'a' && r <= 'z') && !(r >= '0' && r <= '9') && r != '.' && r != '-' && r != '_' {
return fmt.Errorf("header key %q contains illegal characters not in [0-9a-z-_.]", k)
}
}
if strings.HasSuffix(k, "-bin") {
continue
}
// check value
for _, val := range vals {
if hasNotPrintable(val) {
return fmt.Errorf("header key %q contains value with non-printable ASCII characters", k)
}
}
}
return nil
}
// hasNotPrintable return true if msg contains any characters which are not in %x20-%x7E
func hasNotPrintable(msg string) bool {
// for i that saving a conversion if not using for range
for i := 0; i < len(msg); i++ {
if msg[i] < 0x20 || msg[i] > 0x7E {
return true
}
}
return false
}

View file

@ -0,0 +1,82 @@
/*
*
* Copyright 2021 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// Package pretty defines helper functions to pretty-print structs for logging.
package pretty
import (
"bytes"
"encoding/json"
"fmt"
"github.com/golang/protobuf/jsonpb"
protov1 "github.com/golang/protobuf/proto"
"google.golang.org/protobuf/encoding/protojson"
protov2 "google.golang.org/protobuf/proto"
)
const jsonIndent = " "
// ToJSON marshals the input into a json string.
//
// If marshal fails, it falls back to fmt.Sprintf("%+v").
func ToJSON(e interface{}) string {
switch ee := e.(type) {
case protov1.Message:
mm := jsonpb.Marshaler{Indent: jsonIndent}
ret, err := mm.MarshalToString(ee)
if err != nil {
// This may fail for proto.Anys, e.g. for xDS v2, LDS, the v2
// messages are not imported, and this will fail because the message
// is not found.
return fmt.Sprintf("%+v", ee)
}
return ret
case protov2.Message:
mm := protojson.MarshalOptions{
Multiline: true,
Indent: jsonIndent,
}
ret, err := mm.Marshal(ee)
if err != nil {
// This may fail for proto.Anys, e.g. for xDS v2, LDS, the v2
// messages are not imported, and this will fail because the message
// is not found.
return fmt.Sprintf("%+v", ee)
}
return string(ret)
default:
ret, err := json.MarshalIndent(ee, "", jsonIndent)
if err != nil {
return fmt.Sprintf("%+v", ee)
}
return string(ret)
}
}
// FormatJSON formats the input json bytes with indentation.
//
// If Indent fails, it returns the unchanged input as string.
func FormatJSON(b []byte) string {
var out bytes.Buffer
err := json.Indent(&out, b, "", jsonIndent)
if err != nil {
return string(b)
}
return out.String()
}

View file

@ -137,6 +137,7 @@ type earlyAbortStream struct {
streamID uint32
contentSubtype string
status *status.Status
rst bool
}
func (*earlyAbortStream) isTransportResponseFrame() bool { return false }
@ -786,6 +787,11 @@ func (l *loopyWriter) earlyAbortStreamHandler(eas *earlyAbortStream) error {
if err := l.writeHeader(eas.streamID, true, headerFields, nil); err != nil {
return err
}
if eas.rst {
if err := l.framer.fr.WriteRSTStream(eas.streamID, http2.ErrCodeNo); err != nil {
return err
}
}
return nil
}

View file

@ -132,7 +132,7 @@ type http2Client struct {
kpDormant bool
// Fields below are for channelz metric collection.
channelzID int64 // channelz unique identification number
channelzID *channelz.Identifier
czData *channelzData
onGoAway func(GoAwayReason)
@ -351,8 +351,9 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
}
t.statsHandler.HandleConn(t.ctx, connBegin)
}
if channelz.IsOn() {
t.channelzID = channelz.RegisterNormalSocket(t, opts.ChannelzParentID, fmt.Sprintf("%s -> %s", t.localAddr, t.remoteAddr))
t.channelzID, err = channelz.RegisterNormalSocket(t, opts.ChannelzParentID, fmt.Sprintf("%s -> %s", t.localAddr, t.remoteAddr))
if err != nil {
return nil, err
}
if t.keepaliveEnabled {
t.kpDormancyCond = sync.NewCond(&t.mu)
@ -630,8 +631,8 @@ func (t *http2Client) getCallAuthData(ctx context.Context, audience string, call
// the wire. However, there are two notable exceptions:
//
// 1. If the stream headers violate the max header list size allowed by the
// server. In this case there is no reason to retry at all, as it is
// assumed the RPC would continue to fail on subsequent attempts.
// server. It's possible this could succeed on another transport, even if
// it's unlikely, but do not transparently retry.
// 2. If the credentials errored when requesting their headers. In this case,
// it's possible a retry can fix the problem, but indefinitely transparently
// retrying is not appropriate as it is likely the credentials, if they can
@ -639,8 +640,7 @@ func (t *http2Client) getCallAuthData(ctx context.Context, audience string, call
type NewStreamError struct {
Err error
DoNotRetry bool
DoNotTransparentRetry bool
AllowTransparentRetry bool
}
func (e NewStreamError) Error() string {
@ -649,11 +649,11 @@ func (e NewStreamError) Error() string {
// NewStream creates a stream and registers it into the transport as "active"
// streams. All non-nil errors returned will be *NewStreamError.
func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Stream, err error) {
func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, error) {
ctx = peer.NewContext(ctx, t.getPeer())
headerFields, err := t.createHeaderFields(ctx, callHdr)
if err != nil {
return nil, &NewStreamError{Err: err, DoNotTransparentRetry: true}
return nil, &NewStreamError{Err: err, AllowTransparentRetry: false}
}
s := t.newStream(ctx, callHdr)
cleanup := func(err error) {
@ -753,13 +753,14 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Strea
return true
}, hdr)
if err != nil {
return nil, &NewStreamError{Err: err}
// Connection closed.
return nil, &NewStreamError{Err: err, AllowTransparentRetry: true}
}
if success {
break
}
if hdrListSizeErr != nil {
return nil, &NewStreamError{Err: hdrListSizeErr, DoNotRetry: true}
return nil, &NewStreamError{Err: hdrListSizeErr}
}
firstTry = false
select {
@ -767,9 +768,9 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Strea
case <-ctx.Done():
return nil, &NewStreamError{Err: ContextErr(ctx.Err())}
case <-t.goAway:
return nil, &NewStreamError{Err: errStreamDrain}
return nil, &NewStreamError{Err: errStreamDrain, AllowTransparentRetry: true}
case <-t.ctx.Done():
return nil, &NewStreamError{Err: ErrConnClosing}
return nil, &NewStreamError{Err: ErrConnClosing, AllowTransparentRetry: true}
}
}
if t.statsHandler != nil {
@ -898,9 +899,7 @@ func (t *http2Client) Close(err error) {
t.controlBuf.finish()
t.cancel()
t.conn.Close()
if channelz.IsOn() {
channelz.RemoveEntry(t.channelzID)
}
// Append info about previous goaways if there were any, since this may be important
// for understanding the root cause for this connection to be closed.
_, goAwayDebugMessage := t.GetGoAwayReason()

View file

@ -21,7 +21,6 @@ package transport
import (
"bytes"
"context"
"errors"
"fmt"
"io"
"math"
@ -36,6 +35,7 @@ import (
"golang.org/x/net/http2"
"golang.org/x/net/http2/hpack"
"google.golang.org/grpc/internal/grpcutil"
"google.golang.org/grpc/internal/syscall"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/credentials"
@ -52,10 +52,10 @@ import (
var (
// ErrIllegalHeaderWrite indicates that setting header is illegal because of
// the stream's state.
ErrIllegalHeaderWrite = errors.New("transport: the stream is done or WriteHeader was already called")
ErrIllegalHeaderWrite = status.Error(codes.Internal, "transport: SendHeader called multiple times")
// ErrHeaderListSizeLimitViolation indicates that the header list size is larger
// than the limit set by peer.
ErrHeaderListSizeLimitViolation = errors.New("transport: trying to send header list size larger than the limit set by peer")
ErrHeaderListSizeLimitViolation = status.Error(codes.Internal, "transport: trying to send header list size larger than the limit set by peer")
)
// serverConnectionCounter counts the number of connections a server has seen
@ -117,7 +117,7 @@ type http2Server struct {
idle time.Time
// Fields below are for channelz metric collection.
channelzID int64 // channelz unique identification number
channelzID *channelz.Identifier
czData *channelzData
bufferPool *bufferPool
@ -231,6 +231,11 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
if kp.Timeout == 0 {
kp.Timeout = defaultServerKeepaliveTimeout
}
if kp.Time != infinity {
if err = syscall.SetTCPUserTimeout(conn, kp.Timeout); err != nil {
return nil, connectionErrorf(false, err, "transport: failed to set TCP_USER_TIMEOUT: %v", err)
}
}
kep := config.KeepalivePolicy
if kep.MinTime == 0 {
kep.MinTime = defaultKeepalivePolicyMinTime
@ -275,12 +280,12 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
connBegin := &stats.ConnBegin{}
t.stats.HandleConn(t.ctx, connBegin)
}
if channelz.IsOn() {
t.channelzID = channelz.RegisterNormalSocket(t, config.ChannelzParentID, fmt.Sprintf("%s -> %s", t.remoteAddr, t.localAddr))
t.channelzID, err = channelz.RegisterNormalSocket(t, config.ChannelzParentID, fmt.Sprintf("%s -> %s", t.remoteAddr, t.localAddr))
if err != nil {
return nil, err
}
t.connectionID = atomic.AddUint64(&serverConnectionCounter, 1)
t.framer.writer.Flush()
defer func() {
@ -443,6 +448,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
streamID: streamID,
contentSubtype: s.contentSubtype,
status: status.New(codes.Internal, errMsg),
rst: !frame.StreamEnded(),
})
return false
}
@ -516,14 +522,16 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
}
if httpMethod != http.MethodPost {
t.mu.Unlock()
errMsg := fmt.Sprintf("http2Server.operateHeaders parsed a :method field: %v which should be POST", httpMethod)
if logger.V(logLevel) {
logger.Infof("transport: http2Server.operateHeaders parsed a :method field: %v which should be POST", httpMethod)
logger.Infof("transport: %v", errMsg)
}
t.controlBuf.put(&cleanupStream{
t.controlBuf.put(&earlyAbortStream{
httpStatus: 405,
streamID: streamID,
rst: true,
rstCode: http2.ErrCodeProtocol,
onWrite: func() {},
contentSubtype: s.contentSubtype,
status: status.New(codes.Internal, errMsg),
rst: !frame.StreamEnded(),
})
s.cancel()
return false
@ -544,6 +552,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
streamID: s.id,
contentSubtype: s.contentSubtype,
status: stat,
rst: !frame.StreamEnded(),
})
return false
}
@ -925,11 +934,25 @@ func (t *http2Server) checkForHeaderListSize(it interface{}) bool {
return true
}
func (t *http2Server) streamContextErr(s *Stream) error {
select {
case <-t.done:
return ErrConnClosing
default:
}
return ContextErr(s.ctx.Err())
}
// WriteHeader sends the header metadata md back to the client.
func (t *http2Server) WriteHeader(s *Stream, md metadata.MD) error {
if s.updateHeaderSent() || s.getState() == streamDone {
if s.updateHeaderSent() {
return ErrIllegalHeaderWrite
}
if s.getState() == streamDone {
return t.streamContextErr(s)
}
s.hdrMu.Lock()
if md.Len() > 0 {
if s.header.Len() > 0 {
@ -940,7 +963,7 @@ func (t *http2Server) WriteHeader(s *Stream, md metadata.MD) error {
}
if err := t.writeHeaderLocked(s); err != nil {
s.hdrMu.Unlock()
return err
return status.Convert(err).Err()
}
s.hdrMu.Unlock()
return nil
@ -1056,23 +1079,12 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
func (t *http2Server) Write(s *Stream, hdr []byte, data []byte, opts *Options) error {
if !s.isHeaderSent() { // Headers haven't been written yet.
if err := t.WriteHeader(s, nil); err != nil {
if _, ok := err.(ConnectionError); ok {
return err
}
// TODO(mmukhi, dfawley): Make sure this is the right code to return.
return status.Errorf(codes.Internal, "transport: %v", err)
}
} else {
// Writing headers checks for this condition.
if s.getState() == streamDone {
// TODO(mmukhi, dfawley): Should the server write also return io.EOF?
s.cancel()
select {
case <-t.done:
return ErrConnClosing
default:
}
return ContextErr(s.ctx.Err())
return t.streamContextErr(s)
}
}
df := &dataFrame{
@ -1082,12 +1094,7 @@ func (t *http2Server) Write(s *Stream, hdr []byte, data []byte, opts *Options) e
onEachWrite: t.setResetPingStrikes,
}
if err := s.wq.get(int32(len(hdr) + len(data))); err != nil {
select {
case <-t.done:
return ErrConnClosing
default:
}
return ContextErr(s.ctx.Err())
return t.streamContextErr(s)
}
return t.controlBuf.put(df)
}
@ -1210,9 +1217,7 @@ func (t *http2Server) Close() {
if err := t.conn.Close(); err != nil && logger.V(logLevel) {
logger.Infof("transport: error closing conn during Close: %v", err)
}
if channelz.IsOn() {
channelz.RemoveEntry(t.channelzID)
}
// Cancel all active streams.
for _, s := range streams {
s.cancel()
@ -1225,10 +1230,6 @@ func (t *http2Server) Close() {
// deleteStream deletes the stream s from transport's active streams.
func (t *http2Server) deleteStream(s *Stream, eosReceived bool) {
// In case stream sending and receiving are invoked in separate
// goroutines (e.g., bi-directional streaming), cancel needs to be
// called to interrupt the potential blocking on other goroutines.
s.cancel()
t.mu.Lock()
if _, ok := t.activeStreams[s.id]; ok {
@ -1250,6 +1251,11 @@ func (t *http2Server) deleteStream(s *Stream, eosReceived bool) {
// finishStream closes the stream and puts the trailing headerFrame into controlbuf.
func (t *http2Server) finishStream(s *Stream, rst bool, rstCode http2.ErrCode, hdr *headerFrame, eosReceived bool) {
// In case stream sending and receiving are invoked in separate
// goroutines (e.g., bi-directional streaming), cancel needs to be
// called to interrupt the potential blocking on other goroutines.
s.cancel()
oldState := s.swapState(streamDone)
if oldState == streamDone {
// If the stream was already done, return.
@ -1269,6 +1275,11 @@ func (t *http2Server) finishStream(s *Stream, rst bool, rstCode http2.ErrCode, h
// closeStream clears the footprint of a stream when the stream is not needed any more.
func (t *http2Server) closeStream(s *Stream, rst bool, rstCode http2.ErrCode, eosReceived bool) {
// In case stream sending and receiving are invoked in separate
// goroutines (e.g., bi-directional streaming), cancel needs to be
// called to interrupt the potential blocking on other goroutines.
s.cancel()
s.swapState(streamDone)
t.deleteStream(s, eosReceived)

View file

@ -34,6 +34,7 @@ import (
"google.golang.org/grpc/codes"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/internal/channelz"
"google.golang.org/grpc/keepalive"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/resolver"
@ -529,7 +530,7 @@ type ServerConfig struct {
InitialConnWindowSize int32
WriteBufferSize int
ReadBufferSize int
ChannelzParentID int64
ChannelzParentID *channelz.Identifier
MaxHeaderListSize *uint32
HeaderTableSize *uint32
}
@ -563,7 +564,7 @@ type ConnectOptions struct {
// ReadBufferSize sets the size of read buffer, which in turn determines how much data can be read at most for one read syscall.
ReadBufferSize int
// ChannelzParentID sets the addrConn id which initiate the creation of this client transport.
ChannelzParentID int64
ChannelzParentID *channelz.Identifier
// MaxHeaderListSize sets the max (uncompressed) size of header list that is prepared to be received.
MaxHeaderListSize *uint32
// UseProxy specifies if a proxy should be used.

View file

@ -188,7 +188,9 @@ func FromIncomingContext(ctx context.Context) (MD, bool) {
// map, and there's no guarantee that the MD attached to the context is
// created using our helper functions.
key := strings.ToLower(k)
out[key] = v
s := make([]string, len(v))
copy(s, v)
out[key] = s
}
return out, true
}
@ -226,7 +228,9 @@ func FromOutgoingContext(ctx context.Context) (MD, bool) {
// map, and there's no guarantee that the MD attached to the context is
// created using our helper functions.
key := strings.ToLower(k)
out[key] = v
s := make([]string, len(v))
copy(s, v)
out[key] = s
}
for _, added := range raw.added {
if len(added)%2 == 1 {

View file

@ -131,7 +131,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
}
if _, ok := status.FromError(err); ok {
// Status error: end the RPC unconditionally with this status.
return nil, nil, err
return nil, nil, dropError{error: err}
}
// For all other errors, wait for ready RPCs should block and other
// RPCs should fail with unavailable.
@ -175,3 +175,9 @@ func (pw *pickerWrapper) close() {
pw.done = true
close(pw.blockingCh)
}
// dropError is a wrapper error that indicates the LB policy wishes to drop the
// RPC and not retry it.
type dropError struct {
error
}

View file

@ -46,77 +46,105 @@ func (*pickfirstBuilder) Name() string {
type pickfirstBalancer struct {
state connectivity.State
cc balancer.ClientConn
sc balancer.SubConn
subConn balancer.SubConn
}
func (b *pickfirstBalancer) ResolverError(err error) {
switch b.state {
case connectivity.TransientFailure, connectivity.Idle, connectivity.Connecting:
// Set a failing picker if we don't have a good picker.
b.cc.UpdateState(balancer.State{ConnectivityState: connectivity.TransientFailure,
Picker: &picker{err: fmt.Errorf("name resolver error: %v", err)},
})
}
if logger.V(2) {
logger.Infof("pickfirstBalancer: ResolverError called with error %v", err)
}
if b.subConn == nil {
b.state = connectivity.TransientFailure
}
if b.state != connectivity.TransientFailure {
// The picker will not change since the balancer does not currently
// report an error.
return
}
b.cc.UpdateState(balancer.State{
ConnectivityState: connectivity.TransientFailure,
Picker: &picker{err: fmt.Errorf("name resolver error: %v", err)},
})
}
func (b *pickfirstBalancer) UpdateClientConnState(cs balancer.ClientConnState) error {
if len(cs.ResolverState.Addresses) == 0 {
func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState) error {
if len(state.ResolverState.Addresses) == 0 {
// The resolver reported an empty address list. Treat it like an error by
// calling b.ResolverError.
if b.subConn != nil {
// Remove the old subConn. All addresses were removed, so it is no longer
// valid.
b.cc.RemoveSubConn(b.subConn)
b.subConn = nil
}
b.ResolverError(errors.New("produced zero addresses"))
return balancer.ErrBadResolverState
}
if b.sc == nil {
var err error
b.sc, err = b.cc.NewSubConn(cs.ResolverState.Addresses, balancer.NewSubConnOptions{})
if b.subConn != nil {
b.cc.UpdateAddresses(b.subConn, state.ResolverState.Addresses)
return nil
}
subConn, err := b.cc.NewSubConn(state.ResolverState.Addresses, balancer.NewSubConnOptions{})
if err != nil {
if logger.V(2) {
logger.Errorf("pickfirstBalancer: failed to NewSubConn: %v", err)
}
b.state = connectivity.TransientFailure
b.cc.UpdateState(balancer.State{ConnectivityState: connectivity.TransientFailure,
b.cc.UpdateState(balancer.State{
ConnectivityState: connectivity.TransientFailure,
Picker: &picker{err: fmt.Errorf("error creating connection: %v", err)},
})
return balancer.ErrBadResolverState
}
b.subConn = subConn
b.state = connectivity.Idle
b.cc.UpdateState(balancer.State{ConnectivityState: connectivity.Idle, Picker: &picker{result: balancer.PickResult{SubConn: b.sc}}})
b.sc.Connect()
} else {
b.cc.UpdateAddresses(b.sc, cs.ResolverState.Addresses)
b.sc.Connect()
}
b.cc.UpdateState(balancer.State{
ConnectivityState: connectivity.Idle,
Picker: &picker{result: balancer.PickResult{SubConn: b.subConn}},
})
b.subConn.Connect()
return nil
}
func (b *pickfirstBalancer) UpdateSubConnState(sc balancer.SubConn, s balancer.SubConnState) {
func (b *pickfirstBalancer) UpdateSubConnState(subConn balancer.SubConn, state balancer.SubConnState) {
if logger.V(2) {
logger.Infof("pickfirstBalancer: UpdateSubConnState: %p, %v", sc, s)
logger.Infof("pickfirstBalancer: UpdateSubConnState: %p, %v", subConn, state)
}
if b.sc != sc {
if b.subConn != subConn {
if logger.V(2) {
logger.Infof("pickfirstBalancer: ignored state change because sc is not recognized")
logger.Infof("pickfirstBalancer: ignored state change because subConn is not recognized")
}
return
}
b.state = s.ConnectivityState
if s.ConnectivityState == connectivity.Shutdown {
b.sc = nil
b.state = state.ConnectivityState
if state.ConnectivityState == connectivity.Shutdown {
b.subConn = nil
return
}
switch s.ConnectivityState {
switch state.ConnectivityState {
case connectivity.Ready:
b.cc.UpdateState(balancer.State{ConnectivityState: s.ConnectivityState, Picker: &picker{result: balancer.PickResult{SubConn: sc}}})
b.cc.UpdateState(balancer.State{
ConnectivityState: state.ConnectivityState,
Picker: &picker{result: balancer.PickResult{SubConn: subConn}},
})
case connectivity.Connecting:
b.cc.UpdateState(balancer.State{ConnectivityState: s.ConnectivityState, Picker: &picker{err: balancer.ErrNoSubConnAvailable}})
b.cc.UpdateState(balancer.State{
ConnectivityState: state.ConnectivityState,
Picker: &picker{err: balancer.ErrNoSubConnAvailable},
})
case connectivity.Idle:
b.cc.UpdateState(balancer.State{ConnectivityState: s.ConnectivityState, Picker: &idlePicker{sc: sc}})
b.cc.UpdateState(balancer.State{
ConnectivityState: state.ConnectivityState,
Picker: &idlePicker{subConn: subConn},
})
case connectivity.TransientFailure:
b.cc.UpdateState(balancer.State{
ConnectivityState: s.ConnectivityState,
Picker: &picker{err: s.ConnectionError},
ConnectivityState: state.ConnectivityState,
Picker: &picker{err: state.ConnectionError},
})
}
}
@ -125,8 +153,8 @@ func (b *pickfirstBalancer) Close() {
}
func (b *pickfirstBalancer) ExitIdle() {
if b.sc != nil && b.state == connectivity.Idle {
b.sc.Connect()
if b.subConn != nil && b.state == connectivity.Idle {
b.subConn.Connect()
}
}
@ -135,18 +163,18 @@ type picker struct {
err error
}
func (p *picker) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
func (p *picker) Pick(balancer.PickInfo) (balancer.PickResult, error) {
return p.result, p.err
}
// idlePicker is used when the SubConn is IDLE and kicks the SubConn into
// CONNECTING when Pick is called.
type idlePicker struct {
sc balancer.SubConn
subConn balancer.SubConn
}
func (i *idlePicker) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
i.sc.Connect()
func (i *idlePicker) Pick(balancer.PickInfo) (balancer.PickResult, error) {
i.subConn.Connect()
return balancer.PickResult{}, balancer.ErrNoSubConnAvailable
}

View file

@ -27,6 +27,7 @@ import (
"google.golang.org/grpc/attributes"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/internal/pretty"
"google.golang.org/grpc/serviceconfig"
)
@ -139,13 +140,18 @@ type Address struct {
// Equal returns whether a and o are identical. Metadata is compared directly,
// not with any recursive introspection.
func (a *Address) Equal(o Address) bool {
func (a Address) Equal(o Address) bool {
return a.Addr == o.Addr && a.ServerName == o.ServerName &&
a.Attributes.Equal(o.Attributes) &&
a.BalancerAttributes.Equal(o.BalancerAttributes) &&
a.Type == o.Type && a.Metadata == o.Metadata
}
// String returns JSON formatted string representation of the address.
func (a Address) String() string {
return pretty.ToJSON(a)
}
// BuildOptions includes additional information for the builder to create
// the resolver.
type BuildOptions struct {

View file

@ -19,7 +19,6 @@
package grpc
import (
"fmt"
"strings"
"sync"
@ -27,6 +26,7 @@ import (
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/internal/channelz"
"google.golang.org/grpc/internal/grpcsync"
"google.golang.org/grpc/internal/pretty"
"google.golang.org/grpc/resolver"
"google.golang.org/grpc/serviceconfig"
)
@ -97,10 +97,7 @@ func (ccr *ccResolverWrapper) UpdateState(s resolver.State) error {
if ccr.done.HasFired() {
return nil
}
channelz.Infof(logger, ccr.cc.channelzID, "ccResolverWrapper: sending update to cc: %v", s)
if channelz.IsOn() {
ccr.addChannelzTraceEvent(s)
}
ccr.curState = s
if err := ccr.cc.updateResolverState(ccr.curState, nil); err == balancer.ErrBadResolverState {
return balancer.ErrBadResolverState
@ -125,10 +122,7 @@ func (ccr *ccResolverWrapper) NewAddress(addrs []resolver.Address) {
if ccr.done.HasFired() {
return
}
channelz.Infof(logger, ccr.cc.channelzID, "ccResolverWrapper: sending new addresses to cc: %v", addrs)
if channelz.IsOn() {
ccr.addChannelzTraceEvent(resolver.State{Addresses: addrs, ServiceConfig: ccr.curState.ServiceConfig})
}
ccr.curState.Addresses = addrs
ccr.cc.updateResolverState(ccr.curState, nil)
}
@ -141,7 +135,7 @@ func (ccr *ccResolverWrapper) NewServiceConfig(sc string) {
if ccr.done.HasFired() {
return
}
channelz.Infof(logger, ccr.cc.channelzID, "ccResolverWrapper: got new service config: %v", sc)
channelz.Infof(logger, ccr.cc.channelzID, "ccResolverWrapper: got new service config: %s", sc)
if ccr.cc.dopts.disableServiceConfig {
channelz.Info(logger, ccr.cc.channelzID, "Service config lookups disabled; ignoring config")
return
@ -151,9 +145,7 @@ func (ccr *ccResolverWrapper) NewServiceConfig(sc string) {
channelz.Warningf(logger, ccr.cc.channelzID, "ccResolverWrapper: error parsing service config: %v", scpr.Err)
return
}
if channelz.IsOn() {
ccr.addChannelzTraceEvent(resolver.State{Addresses: ccr.curState.Addresses, ServiceConfig: scpr})
}
ccr.curState.ServiceConfig = scpr
ccr.cc.updateResolverState(ccr.curState, nil)
}
@ -180,8 +172,5 @@ func (ccr *ccResolverWrapper) addChannelzTraceEvent(s resolver.State) {
} else if len(ccr.curState.Addresses) == 0 && len(s.Addresses) > 0 {
updates = append(updates, "resolver returned new addresses")
}
channelz.AddTraceEvent(logger, ccr.cc.channelzID, 0, &channelz.TraceEventDesc{
Desc: fmt.Sprintf("Resolver state updated: %+v (%v)", s, strings.Join(updates, "; ")),
Severity: channelz.CtInfo,
})
channelz.Infof(logger, ccr.cc.channelzID, "Resolver state updated: %s (%v)", pretty.ToJSON(s), strings.Join(updates, "; "))
}

View file

@ -134,7 +134,7 @@ type Server struct {
channelzRemoveOnce sync.Once
serveWG sync.WaitGroup // counts active Serve goroutines for GracefulStop
channelzID int64 // channelz unique identification number
channelzID *channelz.Identifier
czData *channelzData
serverWorkerChannels []chan *serverWorkerData
@ -584,9 +584,8 @@ func NewServer(opt ...ServerOption) *Server {
s.initServerWorkers()
}
if channelz.IsOn() {
s.channelzID = channelz.RegisterServer(&channelzServer{s}, "")
}
channelz.Info(logger, s.channelzID, "Server created")
return s
}
@ -712,7 +711,7 @@ var ErrServerStopped = errors.New("grpc: the server has been stopped")
type listenSocket struct {
net.Listener
channelzID int64
channelzID *channelz.Identifier
}
func (l *listenSocket) ChannelzMetric() *channelz.SocketInternalMetric {
@ -724,9 +723,8 @@ func (l *listenSocket) ChannelzMetric() *channelz.SocketInternalMetric {
func (l *listenSocket) Close() error {
err := l.Listener.Close()
if channelz.IsOn() {
channelz.RemoveEntry(l.channelzID)
}
channelz.Info(logger, l.channelzID, "ListenSocket deleted")
return err
}
@ -759,11 +757,6 @@ func (s *Server) Serve(lis net.Listener) error {
ls := &listenSocket{Listener: lis}
s.lis[ls] = true
if channelz.IsOn() {
ls.channelzID = channelz.RegisterListenSocket(ls, s.channelzID, lis.Addr().String())
}
s.mu.Unlock()
defer func() {
s.mu.Lock()
if s.lis != nil && s.lis[ls] {
@ -773,8 +766,16 @@ func (s *Server) Serve(lis net.Listener) error {
s.mu.Unlock()
}()
var tempDelay time.Duration // how long to sleep on accept failure
var err error
ls.channelzID, err = channelz.RegisterListenSocket(ls, s.channelzID, lis.Addr().String())
if err != nil {
s.mu.Unlock()
return err
}
s.mu.Unlock()
channelz.Info(logger, ls.channelzID, "ListenSocket created")
var tempDelay time.Duration // how long to sleep on accept failure
for {
rawConn, err := lis.Accept()
if err != nil {
@ -1709,11 +1710,7 @@ func (s *Server) Stop() {
s.done.Fire()
}()
s.channelzRemoveOnce.Do(func() {
if channelz.IsOn() {
channelz.RemoveEntry(s.channelzID)
}
})
s.channelzRemoveOnce.Do(func() { channelz.RemoveEntry(s.channelzID) })
s.mu.Lock()
listeners := s.lis
@ -1751,11 +1748,7 @@ func (s *Server) GracefulStop() {
s.quit.Fire()
defer s.done.Fire()
s.channelzRemoveOnce.Do(func() {
if channelz.IsOn() {
channelz.RemoveEntry(s.channelzID)
}
})
s.channelzRemoveOnce.Do(func() { channelz.RemoveEntry(s.channelzID) })
s.mu.Lock()
if s.conns == nil {
s.mu.Unlock()
@ -1808,12 +1801,26 @@ func (s *Server) getCodec(contentSubtype string) baseCodec {
return codec
}
// SetHeader sets the header metadata.
// When called multiple times, all the provided metadata will be merged.
// All the metadata will be sent out when one of the following happens:
// - grpc.SendHeader() is called;
// - The first response is sent out;
// - An RPC status is sent out (error or success).
// SetHeader sets the header metadata to be sent from the server to the client.
// The context provided must be the context passed to the server's handler.
//
// Streaming RPCs should prefer the SetHeader method of the ServerStream.
//
// When called multiple times, all the provided metadata will be merged. All
// the metadata will be sent out when one of the following happens:
//
// - grpc.SendHeader is called, or for streaming handlers, stream.SendHeader.
// - The first response message is sent. For unary handlers, this occurs when
// the handler returns; for streaming handlers, this can happen when stream's
// SendMsg method is called.
// - An RPC status is sent out (error or success). This occurs when the handler
// returns.
//
// SetHeader will fail if called after any of the events above.
//
// The error returned is compatible with the status package. However, the
// status code will often not match the RPC status as seen by the client
// application, and therefore, should not be relied upon for this purpose.
func SetHeader(ctx context.Context, md metadata.MD) error {
if md.Len() == 0 {
return nil
@ -1825,8 +1832,14 @@ func SetHeader(ctx context.Context, md metadata.MD) error {
return stream.SetHeader(md)
}
// SendHeader sends header metadata. It may be called at most once.
// The provided md and headers set by SetHeader() will be sent.
// SendHeader sends header metadata. It may be called at most once, and may not
// be called after any event that causes headers to be sent (see SetHeader for
// a complete list). The provided md and headers set by SetHeader() will be
// sent.
//
// The error returned is compatible with the status package. However, the
// status code will often not match the RPC status as seen by the client
// application, and therefore, should not be relied upon for this purpose.
func SendHeader(ctx context.Context, md metadata.MD) error {
stream := ServerTransportStreamFromContext(ctx)
if stream == nil {
@ -1840,6 +1853,10 @@ func SendHeader(ctx context.Context, md metadata.MD) error {
// SetTrailer sets the trailer metadata that will be sent when an RPC returns.
// When called more than once, all the provided metadata will be merged.
//
// The error returned is compatible with the status package. However, the
// status code will often not match the RPC status as seen by the client
// application, and therefore, should not be relied upon for this purpose.
func SetTrailer(ctx context.Context, md metadata.MD) error {
if md.Len() == 0 {
return nil

View file

@ -381,6 +381,9 @@ func init() {
//
// If any of them is NOT *ServiceConfig, return false.
func equalServiceConfig(a, b serviceconfig.Config) bool {
if a == nil && b == nil {
return true
}
aa, ok := a.(*ServiceConfig)
if !ok {
return false

View file

@ -36,6 +36,7 @@ import (
"google.golang.org/grpc/internal/channelz"
"google.golang.org/grpc/internal/grpcrand"
"google.golang.org/grpc/internal/grpcutil"
imetadata "google.golang.org/grpc/internal/metadata"
iresolver "google.golang.org/grpc/internal/resolver"
"google.golang.org/grpc/internal/serviceconfig"
"google.golang.org/grpc/internal/transport"
@ -166,6 +167,11 @@ func NewClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
}
func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, opts ...CallOption) (_ ClientStream, err error) {
if md, _, ok := metadata.FromOutgoingContextRaw(ctx); ok {
if err := imetadata.Validate(md); err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
}
if channelz.IsOn() {
cc.incrCallsStarted()
defer func() {
@ -297,14 +303,28 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
}
cs.binlog = binarylog.GetMethodLogger(method)
if err := cs.newAttemptLocked(false /* isTransparent */); err != nil {
cs.attempt, err = cs.newAttemptLocked(false /* isTransparent */)
if err != nil {
cs.finish(err)
return nil, err
}
op := func(a *csAttempt) error { return a.newStream() }
// Pick the transport to use and create a new stream on the transport.
// Assign cs.attempt upon success.
op := func(a *csAttempt) error {
if err := a.getTransport(); err != nil {
return err
}
if err := a.newStream(); err != nil {
return err
}
// Because this operation is always called either here (while creating
// the clientStream) or by the retry code while locked when replaying
// the operation, it is safe to access cs.attempt directly.
cs.attempt = a
return nil
}
if err := cs.withRetry(op, func() { cs.bufferForRetryLocked(0, op) }); err != nil {
cs.finish(err)
return nil, err
}
@ -343,9 +363,15 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
return cs, nil
}
// newAttemptLocked creates a new attempt with a transport.
// If it succeeds, then it replaces clientStream's attempt with this new attempt.
func (cs *clientStream) newAttemptLocked(isTransparent bool) (retErr error) {
// newAttemptLocked creates a new csAttempt without a transport or stream.
func (cs *clientStream) newAttemptLocked(isTransparent bool) (*csAttempt, error) {
if err := cs.ctx.Err(); err != nil {
return nil, toRPCErr(err)
}
if err := cs.cc.ctx.Err(); err != nil {
return nil, ErrClientConnClosing
}
ctx := newContextWithRPCInfo(cs.ctx, cs.callInfo.failFast, cs.callInfo.codec, cs.cp, cs.comp)
method := cs.callHdr.Method
sh := cs.cc.dopts.copts.StatsHandler
@ -379,27 +405,6 @@ func (cs *clientStream) newAttemptLocked(isTransparent bool) (retErr error) {
ctx = trace.NewContext(ctx, trInfo.tr)
}
newAttempt := &csAttempt{
ctx: ctx,
beginTime: beginTime,
cs: cs,
dc: cs.cc.dopts.dc,
statsHandler: sh,
trInfo: trInfo,
}
defer func() {
if retErr != nil {
// This attempt is not set in the clientStream, so it's finish won't
// be called. Call it here for stats and trace in case they are not
// nil.
newAttempt.finish(retErr)
}
}()
if err := ctx.Err(); err != nil {
return toRPCErr(err)
}
if cs.cc.parsedTarget.Scheme == "xds" {
// Add extra metadata (metadata that will be added by transport) to context
// so the balancer can see them.
@ -407,16 +412,32 @@ func (cs *clientStream) newAttemptLocked(isTransparent bool) (retErr error) {
"content-type", grpcutil.ContentType(cs.callHdr.ContentSubtype),
))
}
t, done, err := cs.cc.getTransport(ctx, cs.callInfo.failFast, cs.callHdr.Method)
return &csAttempt{
ctx: ctx,
beginTime: beginTime,
cs: cs,
dc: cs.cc.dopts.dc,
statsHandler: sh,
trInfo: trInfo,
}, nil
}
func (a *csAttempt) getTransport() error {
cs := a.cs
var err error
a.t, a.done, err = cs.cc.getTransport(a.ctx, cs.callInfo.failFast, cs.callHdr.Method)
if err != nil {
if de, ok := err.(dropError); ok {
err = de.error
a.drop = true
}
return err
}
if trInfo != nil {
trInfo.firstLine.SetRemoteAddr(t.RemoteAddr())
if a.trInfo != nil {
a.trInfo.firstLine.SetRemoteAddr(a.t.RemoteAddr())
}
newAttempt.t = t
newAttempt.done = done
cs.attempt = newAttempt
return nil
}
@ -425,12 +446,21 @@ func (a *csAttempt) newStream() error {
cs.callHdr.PreviousAttempts = cs.numRetries
s, err := a.t.NewStream(a.ctx, cs.callHdr)
if err != nil {
// Return without converting to an RPC error so retry code can
// inspect.
nse, ok := err.(*transport.NewStreamError)
if !ok {
// Unexpected.
return err
}
cs.attempt.s = s
cs.attempt.p = &parser{r: s}
if nse.AllowTransparentRetry {
a.allowTransparentRetry = true
}
// Unwrap and convert error.
return toRPCErr(nse.Err)
}
a.s = s
a.p = &parser{r: s}
return nil
}
@ -456,7 +486,7 @@ type clientStream struct {
retryThrottler *retryThrottler // The throttler active when the RPC began.
binlog *binarylog.MethodLogger // Binary logger, can be nil.
binlog binarylog.MethodLogger // Binary logger, can be nil.
// serverHeaderBinlogged is a boolean for whether server header has been
// logged. Server header will be logged when the first time one of those
// happens: stream.Header(), stream.Recv().
@ -508,6 +538,11 @@ type csAttempt struct {
statsHandler stats.Handler
beginTime time.Time
// set for newStream errors that may be transparently retried
allowTransparentRetry bool
// set for pick errors that are returned as a status
drop bool
}
func (cs *clientStream) commitAttemptLocked() {
@ -527,41 +562,21 @@ func (cs *clientStream) commitAttempt() {
// shouldRetry returns nil if the RPC should be retried; otherwise it returns
// the error that should be returned by the operation. If the RPC should be
// retried, the bool indicates whether it is being retried transparently.
func (cs *clientStream) shouldRetry(err error) (bool, error) {
if cs.attempt.s == nil {
// Error from NewClientStream.
nse, ok := err.(*transport.NewStreamError)
if !ok {
// Unexpected, but assume no I/O was performed and the RPC is not
// fatal, so retry indefinitely.
return true, nil
}
func (a *csAttempt) shouldRetry(err error) (bool, error) {
cs := a.cs
// Unwrap and convert error.
err = toRPCErr(nse.Err)
// Never retry DoNotRetry errors, which indicate the RPC should not be
// retried due to max header list size violation, etc.
if nse.DoNotRetry {
if cs.finished || cs.committed || a.drop {
// RPC is finished or committed or was dropped by the picker; cannot retry.
return false, err
}
// In the event of a non-IO operation error from NewStream, we never
// attempted to write anything to the wire, so we can retry
// indefinitely.
if !nse.DoNotTransparentRetry {
if a.s == nil && a.allowTransparentRetry {
return true, nil
}
}
if cs.finished || cs.committed {
// RPC is finished or committed; cannot retry.
return false, err
}
// Wait for the trailers.
unprocessed := false
if cs.attempt.s != nil {
<-cs.attempt.s.Done()
unprocessed = cs.attempt.s.Unprocessed()
if a.s != nil {
<-a.s.Done()
unprocessed = a.s.Unprocessed()
}
if cs.firstAttempt && unprocessed {
// First attempt, stream unprocessed: transparently retry.
@ -573,14 +588,14 @@ func (cs *clientStream) shouldRetry(err error) (bool, error) {
pushback := 0
hasPushback := false
if cs.attempt.s != nil {
if !cs.attempt.s.TrailersOnly() {
if a.s != nil {
if !a.s.TrailersOnly() {
return false, err
}
// TODO(retry): Move down if the spec changes to not check server pushback
// before considering this a failure for throttling.
sps := cs.attempt.s.Trailer()["grpc-retry-pushback-ms"]
sps := a.s.Trailer()["grpc-retry-pushback-ms"]
if len(sps) == 1 {
var e error
if pushback, e = strconv.Atoi(sps[0]); e != nil || pushback < 0 {
@ -597,10 +612,10 @@ func (cs *clientStream) shouldRetry(err error) (bool, error) {
}
var code codes.Code
if cs.attempt.s != nil {
code = cs.attempt.s.Status().Code()
if a.s != nil {
code = a.s.Status().Code()
} else {
code = status.Convert(err).Code()
code = status.Code(err)
}
rp := cs.methodConfig.RetryPolicy
@ -645,19 +660,24 @@ func (cs *clientStream) shouldRetry(err error) (bool, error) {
}
// Returns nil if a retry was performed and succeeded; error otherwise.
func (cs *clientStream) retryLocked(lastErr error) error {
func (cs *clientStream) retryLocked(attempt *csAttempt, lastErr error) error {
for {
cs.attempt.finish(toRPCErr(lastErr))
isTransparent, err := cs.shouldRetry(lastErr)
attempt.finish(toRPCErr(lastErr))
isTransparent, err := attempt.shouldRetry(lastErr)
if err != nil {
cs.commitAttemptLocked()
return err
}
cs.firstAttempt = false
if err := cs.newAttemptLocked(isTransparent); err != nil {
attempt, err = cs.newAttemptLocked(isTransparent)
if err != nil {
// Only returns error if the clientconn is closed or the context of
// the stream is canceled.
return err
}
if lastErr = cs.replayBufferLocked(); lastErr == nil {
// Note that the first op in the replay buffer always sets cs.attempt
// if it is able to pick a transport and create a stream.
if lastErr = cs.replayBufferLocked(attempt); lastErr == nil {
return nil
}
}
@ -667,7 +687,10 @@ func (cs *clientStream) Context() context.Context {
cs.commitAttempt()
// No need to lock before using attempt, since we know it is committed and
// cannot change.
if cs.attempt.s != nil {
return cs.attempt.s.Context()
}
return cs.ctx
}
func (cs *clientStream) withRetry(op func(a *csAttempt) error, onSuccess func()) error {
@ -697,7 +720,7 @@ func (cs *clientStream) withRetry(op func(a *csAttempt) error, onSuccess func())
cs.mu.Unlock()
return err
}
if err := cs.retryLocked(err); err != nil {
if err := cs.retryLocked(a, err); err != nil {
cs.mu.Unlock()
return err
}
@ -728,7 +751,7 @@ func (cs *clientStream) Header() (metadata.MD, error) {
cs.binlog.Log(logEntry)
cs.serverHeaderBinlogged = true
}
return m, err
return m, nil
}
func (cs *clientStream) Trailer() metadata.MD {
@ -746,10 +769,9 @@ func (cs *clientStream) Trailer() metadata.MD {
return cs.attempt.s.Trailer()
}
func (cs *clientStream) replayBufferLocked() error {
a := cs.attempt
func (cs *clientStream) replayBufferLocked(attempt *csAttempt) error {
for _, f := range cs.buffer {
if err := f(a); err != nil {
if err := f(attempt); err != nil {
return err
}
}
@ -797,22 +819,17 @@ func (cs *clientStream) SendMsg(m interface{}) (err error) {
if len(payload) > *cs.callInfo.maxSendMessageSize {
return status.Errorf(codes.ResourceExhausted, "trying to send message larger than max (%d vs. %d)", len(payload), *cs.callInfo.maxSendMessageSize)
}
msgBytes := data // Store the pointer before setting to nil. For binary logging.
op := func(a *csAttempt) error {
err := a.sendMsg(m, hdr, payload, data)
// nil out the message and uncomp when replaying; they are only needed for
// stats which is disabled for subsequent attempts.
m, data = nil, nil
return err
return a.sendMsg(m, hdr, payload, data)
}
err = cs.withRetry(op, func() { cs.bufferForRetryLocked(len(hdr)+len(payload), op) })
if cs.binlog != nil && err == nil {
cs.binlog.Log(&binarylog.ClientMessage{
OnClientSide: true,
Message: msgBytes,
Message: data,
})
}
return
return err
}
func (cs *clientStream) RecvMsg(m interface{}) error {
@ -1364,8 +1381,10 @@ func (as *addrConnStream) finish(err error) {
// ServerStream defines the server-side behavior of a streaming RPC.
//
// All errors returned from ServerStream methods are compatible with the
// status package.
// Errors returned from ServerStream methods are compatible with the status
// package. However, the status code will often not match the RPC status as
// seen by the client application, and therefore, should not be relied upon for
// this purpose.
type ServerStream interface {
// SetHeader sets the header metadata. It may be called multiple times.
// When call multiple times, all the provided metadata will be merged.
@ -1428,7 +1447,7 @@ type serverStream struct {
statsHandler stats.Handler
binlog *binarylog.MethodLogger
binlog binarylog.MethodLogger
// serverHeaderBinlogged indicates whether server header has been logged. It
// will happen when one of the following two happens: stream.SendHeader(),
// stream.Send().
@ -1448,11 +1467,20 @@ func (ss *serverStream) SetHeader(md metadata.MD) error {
if md.Len() == 0 {
return nil
}
err := imetadata.Validate(md)
if err != nil {
return status.Error(codes.Internal, err.Error())
}
return ss.s.SetHeader(md)
}
func (ss *serverStream) SendHeader(md metadata.MD) error {
err := ss.t.WriteHeader(ss.s, md)
err := imetadata.Validate(md)
if err != nil {
return status.Error(codes.Internal, err.Error())
}
err = ss.t.WriteHeader(ss.s, md)
if ss.binlog != nil && !ss.serverHeaderBinlogged {
h, _ := ss.s.Header()
ss.binlog.Log(&binarylog.ServerHeader{
@ -1467,6 +1495,9 @@ func (ss *serverStream) SetTrailer(md metadata.MD) {
if md.Len() == 0 {
return
}
if err := imetadata.Validate(md); err != nil {
logger.Errorf("stream: failed to validate md when setting trailer, err: %v", err)
}
ss.s.SetTrailer(md)
}

View file

@ -19,4 +19,4 @@
package grpc
// Version is the current grpc version.
const Version = "1.45.0"
const Version = "1.47.0"

View file

@ -25,6 +25,7 @@ const (
FirstReservedNumber Number = 19000
LastReservedNumber Number = 19999
MaxValidNumber Number = 1<<29 - 1
DefaultRecursionLimit = 10000
)
// IsValid reports whether the field number is semantically valid.
@ -55,6 +56,7 @@ const (
errCodeOverflow
errCodeReserved
errCodeEndGroup
errCodeRecursionDepth
)
var (
@ -112,6 +114,10 @@ func ConsumeField(b []byte) (Number, Type, int) {
// When parsing a group, the length includes the end group marker and
// the end group is verified to match the starting field number.
func ConsumeFieldValue(num Number, typ Type, b []byte) (n int) {
return consumeFieldValueD(num, typ, b, DefaultRecursionLimit)
}
func consumeFieldValueD(num Number, typ Type, b []byte, depth int) (n int) {
switch typ {
case VarintType:
_, n = ConsumeVarint(b)
@ -126,6 +132,9 @@ func ConsumeFieldValue(num Number, typ Type, b []byte) (n int) {
_, n = ConsumeBytes(b)
return n
case StartGroupType:
if depth < 0 {
return errCodeRecursionDepth
}
n0 := len(b)
for {
num2, typ2, n := ConsumeTag(b)
@ -140,7 +149,7 @@ func ConsumeFieldValue(num Number, typ Type, b []byte) (n int) {
return n0 - len(b)
}
n = ConsumeFieldValue(num2, typ2, b)
n = consumeFieldValueD(num2, typ2, b, depth-1)
if n < 0 {
return n // forward error code
}

View file

@ -381,7 +381,7 @@ func (d *Decoder) currentOpenKind() (Kind, byte) {
case '[':
return ListOpen, ']'
}
panic(fmt.Sprintf("Decoder: openStack contains invalid byte %s", string(openCh)))
panic(fmt.Sprintf("Decoder: openStack contains invalid byte %c", openCh))
}
func (d *Decoder) pushOpenStack(ch byte) {

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !go1.13
// +build !go1.13
package errors

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build go1.13
// +build go1.13
package errors

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !protolegacy
// +build !protolegacy
package flags

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build protolegacy
// +build protolegacy
package flags

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !go1.12
// +build !go1.12
package impl

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build go1.12
// +build go1.12
package impl

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build purego || appengine
// +build purego appengine
package impl

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !purego && !appengine
// +build !purego,!appengine
package impl

View file

@ -18,6 +18,7 @@ import (
)
var errDecode = errors.New("cannot parse invalid wire-format data")
var errRecursionDepth = errors.New("exceeded maximum recursion depth")
type unmarshalOptions struct {
flags protoiface.UnmarshalInputFlags
@ -25,6 +26,7 @@ type unmarshalOptions struct {
FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error)
FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error)
}
depth int
}
func (o unmarshalOptions) Options() proto.UnmarshalOptions {
@ -44,6 +46,7 @@ func (o unmarshalOptions) IsDefault() bool {
var lazyUnmarshalOptions = unmarshalOptions{
resolver: preg.GlobalTypes,
depth: protowire.DefaultRecursionLimit,
}
type unmarshalOutput struct {
@ -62,6 +65,7 @@ func (mi *MessageInfo) unmarshal(in piface.UnmarshalInput) (piface.UnmarshalOutp
out, err := mi.unmarshalPointer(in.Buf, p, 0, unmarshalOptions{
flags: in.Flags,
resolver: in.Resolver,
depth: in.Depth,
})
var flags piface.UnmarshalOutputFlags
if out.initialized {
@ -82,6 +86,10 @@ var errUnknown = errors.New("unknown")
func (mi *MessageInfo) unmarshalPointer(b []byte, p pointer, groupTag protowire.Number, opts unmarshalOptions) (out unmarshalOutput, err error) {
mi.init()
opts.depth--
if opts.depth < 0 {
return out, errRecursionDepth
}
if flags.ProtoLegacy && mi.isMessageSet {
return unmarshalMessageSet(mi, b, p, opts)
}

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build purego || appengine
// +build purego appengine
package impl

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !purego && !appengine
// +build !purego,!appengine
package impl

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build purego || appengine
// +build purego appengine
package strs

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !purego && !appengine
// +build !purego,!appengine
package strs

View file

@ -52,8 +52,8 @@ import (
// 10. Send out the CL for review and submit it.
const (
Major = 1
Minor = 27
Patch = 1
Minor = 28
Patch = 0
PreRelease = ""
)

View file

@ -42,18 +42,25 @@ type UnmarshalOptions struct {
FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error)
FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error)
}
// RecursionLimit limits how deeply messages may be nested.
// If zero, a default limit is applied.
RecursionLimit int
}
// Unmarshal parses the wire-format message in b and places the result in m.
// The provided message must be mutable (e.g., a non-nil pointer to a message).
func Unmarshal(b []byte, m Message) error {
_, err := UnmarshalOptions{}.unmarshal(b, m.ProtoReflect())
_, err := UnmarshalOptions{RecursionLimit: protowire.DefaultRecursionLimit}.unmarshal(b, m.ProtoReflect())
return err
}
// Unmarshal parses the wire-format message in b and places the result in m.
// The provided message must be mutable (e.g., a non-nil pointer to a message).
func (o UnmarshalOptions) Unmarshal(b []byte, m Message) error {
if o.RecursionLimit == 0 {
o.RecursionLimit = protowire.DefaultRecursionLimit
}
_, err := o.unmarshal(b, m.ProtoReflect())
return err
}
@ -63,6 +70,9 @@ func (o UnmarshalOptions) Unmarshal(b []byte, m Message) error {
// This method permits fine-grained control over the unmarshaler.
// Most users should use Unmarshal instead.
func (o UnmarshalOptions) UnmarshalState(in protoiface.UnmarshalInput) (protoiface.UnmarshalOutput, error) {
if o.RecursionLimit == 0 {
o.RecursionLimit = protowire.DefaultRecursionLimit
}
return o.unmarshal(in.Buf, in.Message)
}
@ -86,12 +96,17 @@ func (o UnmarshalOptions) unmarshal(b []byte, m protoreflect.Message) (out proto
Message: m,
Buf: b,
Resolver: o.Resolver,
Depth: o.RecursionLimit,
}
if o.DiscardUnknown {
in.Flags |= protoiface.UnmarshalDiscardUnknown
}
out, err = methods.Unmarshal(in)
} else {
o.RecursionLimit--
if o.RecursionLimit < 0 {
return out, errors.New("exceeded max recursion depth")
}
err = o.unmarshalMessageSlow(b, m)
}
if err != nil {

View file

@ -3,6 +3,7 @@
// license that can be found in the LICENSE file.
// The protoreflect build tag disables use of fast-path methods.
//go:build !protoreflect
// +build !protoreflect
package proto

View file

@ -3,6 +3,7 @@
// license that can be found in the LICENSE file.
// The protoreflect build tag disables use of fast-path methods.
//go:build protoreflect
// +build protoreflect
package proto

View file

@ -53,6 +53,7 @@ type (
FindExtensionByName(field FullName) (ExtensionType, error)
FindExtensionByNumber(message FullName, field FieldNumber) (ExtensionType, error)
}
Depth int
}
unmarshalOutput = struct {
pragma.NoUnkeyedLiterals

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build purego || appengine
// +build purego appengine
package protoreflect

View file

@ -41,6 +41,31 @@ import (
// Converting to/from a Value and a concrete Go value panics on type mismatch.
// For example, ValueOf("hello").Int() panics because this attempts to
// retrieve an int64 from a string.
//
// List, Map, and Message Values are called "composite" values.
//
// A composite Value may alias (reference) memory at some location,
// such that changes to the Value updates the that location.
// A composite value acquired with a Mutable method, such as Message.Mutable,
// always references the source object.
//
// For example:
// // Append a 0 to a "repeated int32" field.
// // Since the Value returned by Mutable is guaranteed to alias
// // the source message, modifying the Value modifies the message.
// message.Mutable(fieldDesc).(List).Append(protoreflect.ValueOfInt32(0))
//
// // Assign [0] to a "repeated int32" field by creating a new Value,
// // modifying it, and assigning it.
// list := message.NewField(fieldDesc).(List)
// list.Append(protoreflect.ValueOfInt32(0))
// message.Set(fieldDesc, list)
// // ERROR: Since it is not defined whether Set aliases the source,
// // appending to the List here may or may not modify the message.
// list.Append(protoreflect.ValueOfInt32(0))
//
// Some operations, such as Message.Get, may return an "empty, read-only"
// composite Value. Modifying an empty, read-only value panics.
type Value value
// The protoreflect API uses a custom Value union type instead of interface{}

View file

@ -2,6 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build !purego && !appengine
// +build !purego,!appengine
package protoreflect

View file

@ -103,6 +103,7 @@ type UnmarshalInput = struct {
FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error)
FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error)
}
Depth int
}
// UnmarshalOutput is output from the Unmarshal method.

16
vendor/modules.txt vendored
View file

@ -154,7 +154,7 @@ github.com/containerd/cgroups/v2/stats
# github.com/containerd/console v1.0.3
## explicit; go 1.13
github.com/containerd/console
# github.com/containerd/containerd v1.6.8
# github.com/containerd/containerd v1.6.9
## explicit; go 1.17
github.com/containerd/containerd
github.com/containerd/containerd/api/events
@ -999,8 +999,8 @@ google.golang.org/appengine/internal/socket
google.golang.org/appengine/internal/urlfetch
google.golang.org/appengine/socket
google.golang.org/appengine/urlfetch
# google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa
## explicit; go 1.11
# google.golang.org/genproto v0.0.0-20220502173005-c8bf987b8c21
## explicit; go 1.15
google.golang.org/genproto/googleapis/api
google.golang.org/genproto/googleapis/api/annotations
google.golang.org/genproto/googleapis/api/distribution
@ -1010,9 +1010,10 @@ google.golang.org/genproto/googleapis/api/metric
google.golang.org/genproto/googleapis/api/monitoredres
google.golang.org/genproto/googleapis/logging/type
google.golang.org/genproto/googleapis/logging/v2
google.golang.org/genproto/googleapis/longrunning
google.golang.org/genproto/googleapis/rpc/status
google.golang.org/genproto/protobuf/field_mask
# google.golang.org/grpc v1.45.0
# google.golang.org/grpc v1.47.0
## explicit; go 1.14
google.golang.org/grpc
google.golang.org/grpc/attributes
@ -1024,6 +1025,7 @@ google.golang.org/grpc/balancer/grpclb/grpc_lb_v1
google.golang.org/grpc/balancer/grpclb/state
google.golang.org/grpc/balancer/roundrobin
google.golang.org/grpc/binarylog/grpc_binarylog_v1
google.golang.org/grpc/channelz
google.golang.org/grpc/codes
google.golang.org/grpc/connectivity
google.golang.org/grpc/credentials
@ -1044,6 +1046,7 @@ google.golang.org/grpc/health
google.golang.org/grpc/health/grpc_health_v1
google.golang.org/grpc/internal
google.golang.org/grpc/internal/backoff
google.golang.org/grpc/internal/balancer/gracefulswitch
google.golang.org/grpc/internal/balancerload
google.golang.org/grpc/internal/binarylog
google.golang.org/grpc/internal/buffer
@ -1056,6 +1059,7 @@ google.golang.org/grpc/internal/grpcrand
google.golang.org/grpc/internal/grpcsync
google.golang.org/grpc/internal/grpcutil
google.golang.org/grpc/internal/metadata
google.golang.org/grpc/internal/pretty
google.golang.org/grpc/internal/resolver
google.golang.org/grpc/internal/resolver/dns
google.golang.org/grpc/internal/resolver/passthrough
@ -1073,8 +1077,8 @@ google.golang.org/grpc/serviceconfig
google.golang.org/grpc/stats
google.golang.org/grpc/status
google.golang.org/grpc/tap
# google.golang.org/protobuf v1.27.1
## explicit; go 1.9
# google.golang.org/protobuf v1.28.0
## explicit; go 1.11
google.golang.org/protobuf/encoding/protojson
google.golang.org/protobuf/encoding/prototext
google.golang.org/protobuf/encoding/protowire