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Merge pull request #39294 from AkihiroSuda/remove-it-on-swarm

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hack: remove integration-cli-on-swarm
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Brian Goff 2019-06-11 14:24:48 -07:00 committed by GitHub
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24 changed files with 1 additions and 1496 deletions
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1
.dockerignore
View file

@ -3,5 +3,4 @@ bundles
vendor/pkg
.go-pkg-cache
.git
hack/integration-cli-on-swarm/integration-cli-on-swarm

1
.github/CODEOWNERS vendored
View file

@ -12,6 +12,5 @@ daemon/graphdriver/overlay2/** @dmcgowan
daemon/graphdriver/windows/** @johnstep @jhowardmsft
daemon/logger/awslogs/** @samuelkarp
hack/** @tianon
hack/integration-cli-on-swarm/** @AkihiroSuda
plugin/** @cpuguy83
project/** @thaJeztah

1
.gitignore vendored
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@ -19,6 +19,5 @@ contrib/builder/rpm/*/changelog
dockerversion/version_autogen.go
dockerversion/version_autogen_unix.go
vendor/pkg/
hack/integration-cli-on-swarm/integration-cli-on-swarm
coverage.txt
profile.out

18
Makefile
View file

@ -106,9 +106,6 @@ export BUILD_APT_MIRROR
SWAGGER_DOCS_PORT ?= 9000
INTEGRATION_CLI_MASTER_IMAGE := $(if $(INTEGRATION_CLI_MASTER_IMAGE), $(INTEGRATION_CLI_MASTER_IMAGE), integration-cli-master)
INTEGRATION_CLI_WORKER_IMAGE := $(if $(INTEGRATION_CLI_WORKER_IMAGE), $(INTEGRATION_CLI_WORKER_IMAGE), integration-cli-worker)
define \n
@ -213,18 +210,3 @@ swagger-docs: ## preview the API documentation
-e 'REDOC_OPTIONS=hide-hostname="true" lazy-rendering' \
-p $(SWAGGER_DOCS_PORT):80 \
bfirsh/redoc:1.6.2
build-integration-cli-on-swarm: build ## build images and binary for running integration-cli on Swarm in parallel
@echo "Building hack/integration-cli-on-swarm (if build fails, please refer to hack/integration-cli-on-swarm/README.md)"
go build -buildmode=pie -o ./hack/integration-cli-on-swarm/integration-cli-on-swarm ./hack/integration-cli-on-swarm/host
@echo "Building $(INTEGRATION_CLI_MASTER_IMAGE)"
docker build -t $(INTEGRATION_CLI_MASTER_IMAGE) hack/integration-cli-on-swarm/agent
@echo "Building $(INTEGRATION_CLI_WORKER_IMAGE) from $(DOCKER_IMAGE)"
$(eval tmp := integration-cli-worker-tmp)
# We mount pkgcache, but not bundle (bundle needs to be baked into the image)
# For avoiding bakings DOCKER_GRAPHDRIVER and so on to image, we cannot use $(DOCKER_ENVS) here
docker run -t -d --name $(tmp) -e DOCKER_GITCOMMIT -e BUILDFLAGS --privileged $(DOCKER_IMAGE) top
docker exec $(tmp) hack/make.sh build-integration-test-binary dynbinary
docker exec $(tmp) go build -buildmode=pie -o /worker github.com/docker/docker/hack/integration-cli-on-swarm/agent/worker
docker commit -c 'ENTRYPOINT ["/worker"]' $(tmp) $(INTEGRATION_CLI_WORKER_IMAGE)
docker rm -f $(tmp)

68
hack/integration-cli-on-swarm/README.md
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@ -1,68 +0,0 @@
# Integration Testing on Swarm
IT on Swarm allows you to execute integration test in parallel across a Docker Swarm cluster
## Architecture
### Master service
- Works as a funker caller
- Calls a worker funker (`-worker-service`) with a chunk of `-check.f` filter strings (passed as a file via `-input` flag, typically `/mnt/input`)
### Worker service
- Works as a funker callee
- Executes an equivalent of `TESTFLAGS=-check.f TestFoo|TestBar|TestBaz ... make test-integration` using the bind-mounted API socket (`docker.sock`)
### Client
- Controls master and workers via `docker stack`
- No need to have a local daemon
Typically, the master and workers are supposed to be running on a cloud environment,
while the client is supposed to be running on a laptop, e.g. Docker for Mac/Windows.
## Requirement
- Docker daemon 1.13 or later
- Private registry for distributed execution with multiple nodes
## Usage
### Step 1: Prepare images
$ make build-integration-cli-on-swarm
Following environment variables are known to work in this step:
- `BUILDFLAGS`
Note: during the transition into Moby Project, you might need to create a symbolic link `$GOPATH/src/github.com/docker/docker` to `$GOPATH/src/github.com/moby/moby`.
### Step 2: Execute tests
$ ./hack/integration-cli-on-swarm/integration-cli-on-swarm -replicas 40 -push-worker-image YOUR_REGISTRY.EXAMPLE.COM/integration-cli-worker:latest
Following environment variables are known to work in this step:
- `DOCKER_GRAPHDRIVER`
- `DOCKER_EXPERIMENTAL`
#### Flags
Basic flags:
- `-replicas N`: the number of worker service replicas. i.e. degree of parallelism.
- `-chunks N`: the number of chunks. By default, `chunks` == `replicas`.
- `-push-worker-image REGISTRY/IMAGE:TAG`: push the worker image to the registry. Note that if you have only single node and hence you do not need a private registry, you do not need to specify `-push-worker-image`.
Experimental flags for mitigating makespan nonuniformity:
- `-shuffle`: Shuffle the test filter strings
Flags for debugging IT on Swarm itself:
- `-rand-seed N`: the random seed. This flag is useful for deterministic replaying. By default(0), the timestamp is used.
- `-filters-file FILE`: the file contains `-check.f` strings. By default, the file is automatically generated.
- `-dry-run`: skip the actual workload
- `keep-executor`: do not auto-remove executor containers, which is used for running privileged programs on Swarm

6
hack/integration-cli-on-swarm/agent/Dockerfile
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@ -1,6 +0,0 @@
# this Dockerfile is solely used for the master image.
# Please refer to the top-level Makefile for the worker image.
FROM golang:1.7
ADD . /go/src/github.com/docker/docker/hack/integration-cli-on-swarm/agent
RUN go build -buildmode=pie -o /master github.com/docker/docker/hack/integration-cli-on-swarm/agent/master
ENTRYPOINT ["/master"]

132
hack/integration-cli-on-swarm/agent/master/call.go
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@ -1,132 +0,0 @@
package main
import (
"encoding/json"
"fmt"
"log"
"strings"
"sync"
"sync/atomic"
"time"
"github.com/bfirsh/funker-go"
"github.com/docker/docker/hack/integration-cli-on-swarm/agent/types"
)
const (
// funkerRetryTimeout is for the issue https://github.com/bfirsh/funker/issues/3
// When all the funker replicas are busy in their own job, we cannot connect to funker.
funkerRetryTimeout = 1 * time.Hour
funkerRetryDuration = 1 * time.Second
)
// ticker is needed for some CI (e.g., on Travis, job is aborted when no output emitted for 10 minutes)
func ticker(d time.Duration) chan struct{} {
t := time.NewTicker(d)
stop := make(chan struct{})
go func() {
for {
select {
case <-t.C:
log.Printf("tick (just for keeping CI job active) per %s", d.String())
case <-stop:
t.Stop()
}
}
}()
return stop
}
func executeTests(funkerName string, testChunks [][]string) error {
tickerStopper := ticker(9*time.Minute + 55*time.Second)
defer func() {
close(tickerStopper)
}()
begin := time.Now()
log.Printf("Executing %d chunks in parallel, against %q", len(testChunks), funkerName)
var wg sync.WaitGroup
var passed, failed uint32
for chunkID, tests := range testChunks {
log.Printf("Executing chunk %d (contains %d test filters)", chunkID, len(tests))
wg.Add(1)
go func(chunkID int, tests []string) {
defer wg.Done()
chunkBegin := time.Now()
result, err := executeTestChunkWithRetry(funkerName, types.Args{
ChunkID: chunkID,
Tests: tests,
})
if result.RawLog != "" {
for _, s := range strings.Split(result.RawLog, "\n") {
log.Printf("Log (chunk %d): %s", chunkID, s)
}
}
if err != nil {
log.Printf("Error while executing chunk %d: %v",
chunkID, err)
atomic.AddUint32(&failed, 1)
} else {
if result.Code == 0 {
atomic.AddUint32(&passed, 1)
} else {
atomic.AddUint32(&failed, 1)
}
log.Printf("Finished chunk %d [%d/%d] with %d test filters in %s, code=%d.",
chunkID, passed+failed, len(testChunks), len(tests),
time.Since(chunkBegin), result.Code)
}
}(chunkID, tests)
}
wg.Wait()
// TODO: print actual tests rather than chunks
log.Printf("Executed %d chunks in %s. PASS: %d, FAIL: %d.",
len(testChunks), time.Since(begin), passed, failed)
if failed > 0 {
return fmt.Errorf("%d chunks failed", failed)
}
return nil
}
func executeTestChunk(funkerName string, args types.Args) (types.Result, error) {
ret, err := funker.Call(funkerName, args)
if err != nil {
return types.Result{}, err
}
tmp, err := json.Marshal(ret)
if err != nil {
return types.Result{}, err
}
var result types.Result
err = json.Unmarshal(tmp, &result)
return result, err
}
func executeTestChunkWithRetry(funkerName string, args types.Args) (types.Result, error) {
begin := time.Now()
for i := 0; time.Since(begin) < funkerRetryTimeout; i++ {
result, err := executeTestChunk(funkerName, args)
if err == nil {
log.Printf("executeTestChunk(%q, %d) returned code %d in trial %d", funkerName, args.ChunkID, result.Code, i)
return result, nil
}
if errorSeemsInteresting(err) {
log.Printf("Error while calling executeTestChunk(%q, %d), will retry (trial %d): %v",
funkerName, args.ChunkID, i, err)
}
// TODO: non-constant sleep
time.Sleep(funkerRetryDuration)
}
return types.Result{}, fmt.Errorf("could not call executeTestChunk(%q, %d) in %v", funkerName, args.ChunkID, funkerRetryTimeout)
}
// errorSeemsInteresting returns true if err does not seem about https://github.com/bfirsh/funker/issues/3
func errorSeemsInteresting(err error) bool {
boringSubstrs := []string{"connection refused", "connection reset by peer", "no such host", "transport endpoint is not connected", "no route to host"}
errS := err.Error()
for _, boringS := range boringSubstrs {
if strings.Contains(errS, boringS) {
return false
}
}
return true
}

65
hack/integration-cli-on-swarm/agent/master/master.go
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@ -1,65 +0,0 @@
package main
import (
"errors"
"flag"
"io/ioutil"
"log"
"strings"
)
func main() {
if err := xmain(); err != nil {
log.Fatalf("fatal error: %v", err)
}
}
func xmain() error {
workerService := flag.String("worker-service", "", "Name of worker service")
chunks := flag.Int("chunks", 0, "Number of chunks")
input := flag.String("input", "", "Path to input file")
randSeed := flag.Int64("rand-seed", int64(0), "Random seed")
shuffle := flag.Bool("shuffle", false, "Shuffle the input so as to mitigate makespan nonuniformity")
flag.Parse()
if *workerService == "" {
return errors.New("worker-service unset")
}
if *chunks == 0 {
return errors.New("chunks unset")
}
if *input == "" {
return errors.New("input unset")
}
tests, err := loadTests(*input)
if err != nil {
return err
}
testChunks := chunkTests(tests, *chunks, *shuffle, *randSeed)
log.Printf("Loaded %d tests (%d chunks)", len(tests), len(testChunks))
return executeTests(*workerService, testChunks)
}
func chunkTests(tests []string, numChunks int, shuffle bool, randSeed int64) [][]string {
// shuffling (experimental) mitigates makespan nonuniformity
// Not sure this can cause some locality problem..
if shuffle {
shuffleStrings(tests, randSeed)
}
return chunkStrings(tests, numChunks)
}
func loadTests(filename string) ([]string, error) {
b, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
var tests []string
for _, line := range strings.Split(string(b), "\n") {
s := strings.TrimSpace(line)
if s != "" {
tests = append(tests, s)
}
}
return tests, nil
}

28
hack/integration-cli-on-swarm/agent/master/set.go
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@ -1,28 +0,0 @@
package main
import (
"math/rand"
)
// chunkStrings chunks the string slice
func chunkStrings(x []string, numChunks int) [][]string {
var result [][]string
chunkSize := (len(x) + numChunks - 1) / numChunks
for i := 0; i < len(x); i += chunkSize {
ub := i + chunkSize
if ub > len(x) {
ub = len(x)
}
result = append(result, x[i:ub])
}
return result
}
// shuffleStrings shuffles strings
func shuffleStrings(x []string, seed int64) {
r := rand.New(rand.NewSource(seed))
for i := range x {
j := r.Intn(i + 1)
x[i], x[j] = x[j], x[i]
}
}

63
hack/integration-cli-on-swarm/agent/master/set_test.go
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@ -1,63 +0,0 @@
package main
import (
"fmt"
"reflect"
"testing"
"time"
)
func generateInput(inputLen int) []string {
var input []string
for i := 0; i < inputLen; i++ {
input = append(input, fmt.Sprintf("s%d", i))
}
return input
}
func testChunkStrings(t *testing.T, inputLen, numChunks int) {
t.Logf("inputLen=%d, numChunks=%d", inputLen, numChunks)
input := generateInput(inputLen)
result := chunkStrings(input, numChunks)
t.Logf("result has %d chunks", len(result))
var inputReconstructedFromResult []string
for i, chunk := range result {
t.Logf("chunk %d has %d elements", i, len(chunk))
inputReconstructedFromResult = append(inputReconstructedFromResult, chunk...)
}
if !reflect.DeepEqual(input, inputReconstructedFromResult) {
t.Fatal("input != inputReconstructedFromResult")
}
}
func TestChunkStrings_4_4(t *testing.T) {
testChunkStrings(t, 4, 4)
}
func TestChunkStrings_4_1(t *testing.T) {
testChunkStrings(t, 4, 1)
}
func TestChunkStrings_1_4(t *testing.T) {
testChunkStrings(t, 1, 4)
}
func TestChunkStrings_1000_8(t *testing.T) {
testChunkStrings(t, 1000, 8)
}
func TestChunkStrings_1000_9(t *testing.T) {
testChunkStrings(t, 1000, 9)
}
func testShuffleStrings(t *testing.T, inputLen int, seed int64) {
t.Logf("inputLen=%d, seed=%d", inputLen, seed)
x := generateInput(inputLen)
shuffleStrings(x, seed)
t.Logf("shuffled: %v", x)
}
func TestShuffleStrings_100(t *testing.T) {
testShuffleStrings(t, 100, time.Now().UnixNano())
}

18
hack/integration-cli-on-swarm/agent/types/types.go
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@ -1,18 +0,0 @@
package types
// Args is the type for funker args
type Args struct {
// ChunkID is an unique number of the chunk
ChunkID int `json:"chunk_id"`
// Tests is the set of the strings that are passed as `-check.f` filters
Tests []string `json:"tests"`
}
// Result is the type for funker result
type Result struct {
// ChunkID corresponds to Args.ChunkID
ChunkID int `json:"chunk_id"`
// Code is the exit code
Code int `json:"code"`
RawLog string `json:"raw_log"`
}

2
hack/integration-cli-on-swarm/agent/vendor.conf
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@ -1,2 +0,0 @@
# dependencies specific to worker (i.e. github.com/docker/docker/...) are not vendored here
github.com/bfirsh/funker-go eaa0a2e06f30e72c9a0b7f858951e581e26ef773

191
hack/integration-cli-on-swarm/agent/vendor/github.com/bfirsh/funker-go/LICENSE generated vendored
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@ -1,191 +0,0 @@
Apache License
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http://www.apache.org/licenses/
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Copyright 2016 Docker, Inc.
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50
hack/integration-cli-on-swarm/agent/vendor/github.com/bfirsh/funker-go/call.go generated vendored
View file

@ -1,50 +0,0 @@
package funker
import (
"encoding/json"
"io/ioutil"
"net"
"time"
)
// Call a Funker function
func Call(name string, args interface{}) (interface{}, error) {
argsJSON, err := json.Marshal(args)
if err != nil {
return nil, err
}
addr, err := net.ResolveTCPAddr("tcp", name+":9999")
if err != nil {
return nil, err
}
conn, err := net.DialTCP("tcp", nil, addr)
if err != nil {
return nil, err
}
// Keepalive is a workaround for docker/docker#29655 .
// The implementation of FIN_WAIT2 seems weird on Swarm-mode.
// It seems always refuseing any packet after 60 seconds.
//
// TODO: remove this workaround if the issue gets resolved on the Docker side
if err := conn.SetKeepAlive(true); err != nil {
return nil, err
}
if err := conn.SetKeepAlivePeriod(30 * time.Second); err != nil {
return nil, err
}
if _, err = conn.Write(argsJSON); err != nil {
return nil, err
}
if err = conn.CloseWrite(); err != nil {
return nil, err
}
retJSON, err := ioutil.ReadAll(conn)
if err != nil {
return nil, err
}
var ret interface{}
err = json.Unmarshal(retJSON, &ret)
return ret, err
}

54
hack/integration-cli-on-swarm/agent/vendor/github.com/bfirsh/funker-go/handle.go generated vendored
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@ -1,54 +0,0 @@
package funker
import (
"encoding/json"
"fmt"
"io/ioutil"
"net"
"reflect"
)
// Handle a Funker function.
func Handle(handler interface{}) error {
handlerValue := reflect.ValueOf(handler)
handlerType := handlerValue.Type()
if handlerType.Kind() != reflect.Func || handlerType.NumIn() != 1 || handlerType.NumOut() != 1 {
return fmt.Errorf("Handler must be a function with a single parameter and single return value.")
}
argsValue := reflect.New(handlerType.In(0))
listener, err := net.Listen("tcp", ":9999")
if err != nil {
return err
}
conn, err := listener.Accept()
if err != nil {
return err
}
// We close listener, because we only allow single request.
// Note that TCP "backlog" cannot be used for that purpose.
// http://www.perlmonks.org/?node_id=940662
if err = listener.Close(); err != nil {
return err
}
argsJSON, err := ioutil.ReadAll(conn)
if err != nil {
return err
}
err = json.Unmarshal(argsJSON, argsValue.Interface())
if err != nil {
return err
}
ret := handlerValue.Call([]reflect.Value{argsValue.Elem()})[0].Interface()
retJSON, err := json.Marshal(ret)
if err != nil {
return err
}
if _, err = conn.Write(retJSON); err != nil {
return err
}
return conn.Close()
}

118
hack/integration-cli-on-swarm/agent/worker/executor.go
View file

@ -1,118 +0,0 @@
package main
import (
"bytes"
"context"
"fmt"
"io"
"os"
"strings"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/mount"
"github.com/docker/docker/client"
"github.com/docker/docker/pkg/stdcopy"
)
// testChunkExecutor executes integration-cli binary.
// image needs to be the worker image itself. testFlags are OR-set of regexp for filtering tests.
type testChunkExecutor func(image string, tests []string) (int64, string, error)
func dryTestChunkExecutor() testChunkExecutor {
return func(image string, tests []string) (int64, string, error) {
return 0, fmt.Sprintf("DRY RUN (image=%q, tests=%v)", image, tests), nil
}
}
// privilegedTestChunkExecutor invokes a privileged container from the worker
// service via bind-mounted API socket so as to execute the test chunk
func privilegedTestChunkExecutor(autoRemove bool) testChunkExecutor {
return func(image string, tests []string) (int64, string, error) {
cli, err := client.NewClientWithOpts(client.FromEnv)
if err != nil {
return 0, "", err
}
// propagate variables from the host (needs to be defined in the compose file)
experimental := os.Getenv("DOCKER_EXPERIMENTAL")
graphdriver := os.Getenv("DOCKER_GRAPHDRIVER")
if graphdriver == "" {
info, err := cli.Info(context.Background())
if err != nil {
return 0, "", err
}
graphdriver = info.Driver
}
// `daemon_dest` is similar to `$DEST` (e.g. `bundles/VERSION/test-integration`)
// but it exists outside of `bundles` so as to make `$DOCKER_GRAPHDRIVER` work.
//
// Without this hack, `$DOCKER_GRAPHDRIVER` fails because of (e.g.) `overlay2 is not supported over overlayfs`
//
// see integration-cli/daemon/daemon.go
daemonDest := "/daemon_dest"
config := container.Config{
Image: image,
Env: []string{
"TESTFLAGS=-check.f " + strings.Join(tests, "|"),
"KEEPBUNDLE=1",
"DOCKER_INTEGRATION_TESTS_VERIFIED=1", // for avoiding rebuilding integration-cli
"DOCKER_EXPERIMENTAL=" + experimental,
"DOCKER_GRAPHDRIVER=" + graphdriver,
"DOCKER_INTEGRATION_DAEMON_DEST=" + daemonDest,
},
Labels: map[string]string{
"org.dockerproject.integration-cli-on-swarm": "",
"org.dockerproject.integration-cli-on-swarm.comment": "this non-service container is created for running privileged programs on Swarm. you can remove this container manually if the corresponding service is already stopped.",
},
Entrypoint: []string{"hack/dind"},
Cmd: []string{"hack/make.sh", "test-integration"},
}
hostConfig := container.HostConfig{
AutoRemove: autoRemove,
Privileged: true,
Mounts: []mount.Mount{
{
Type: mount.TypeVolume,
Target: daemonDest,
},
},
}
id, stream, err := runContainer(context.Background(), cli, config, hostConfig)
if err != nil {
return 0, "", err
}
var b bytes.Buffer
teeContainerStream(&b, os.Stdout, os.Stderr, stream)
resultC, errC := cli.ContainerWait(context.Background(), id, "")
select {
case err := <-errC:
return 0, "", err
case result := <-resultC:
return result.StatusCode, b.String(), nil
}
}
}
func runContainer(ctx context.Context, cli *client.Client, config container.Config, hostConfig container.HostConfig) (string, io.ReadCloser, error) {
created, err := cli.ContainerCreate(context.Background(),
&config, &hostConfig, nil, "")
if err != nil {
return "", nil, err
}
if err = cli.ContainerStart(ctx, created.ID, types.ContainerStartOptions{}); err != nil {
return "", nil, err
}
stream, err := cli.ContainerLogs(ctx,
created.ID,
types.ContainerLogsOptions{
ShowStdout: true,
ShowStderr: true,
Follow: true,
})
return created.ID, stream, err
}
func teeContainerStream(w, stdout, stderr io.Writer, stream io.ReadCloser) {
stdcopy.StdCopy(io.MultiWriter(w, stdout), io.MultiWriter(w, stderr), stream)
stream.Close()
}

69
hack/integration-cli-on-swarm/agent/worker/worker.go
View file

@ -1,69 +0,0 @@
package main
import (
"flag"
"fmt"
"log"
"time"
"github.com/bfirsh/funker-go"
"github.com/docker/distribution/reference"
"github.com/docker/docker/hack/integration-cli-on-swarm/agent/types"
)
func main() {
if err := xmain(); err != nil {
log.Fatalf("fatal error: %v", err)
}
}
func validImageDigest(s string) bool {
return reference.DigestRegexp.FindString(s) != ""
}
func xmain() error {
workerImageDigest := flag.String("worker-image-digest", "", "Needs to be the digest of this worker image itself")
dryRun := flag.Bool("dry-run", false, "Dry run")
keepExecutor := flag.Bool("keep-executor", false, "Do not auto-remove executor containers, which is used for running privileged programs on Swarm")
flag.Parse()
if !validImageDigest(*workerImageDigest) {
// Because of issue #29582.
// `docker service create localregistry.example.com/blahblah:latest` pulls the image data to local, but not a tag.
// So, `docker run localregistry.example.com/blahblah:latest` fails: `Unable to find image 'localregistry.example.com/blahblah:latest' locally`
return fmt.Errorf("worker-image-digest must be a digest, got %q", *workerImageDigest)
}
executor := privilegedTestChunkExecutor(!*keepExecutor)
if *dryRun {
executor = dryTestChunkExecutor()
}
return handle(*workerImageDigest, executor)
}
func handle(workerImageDigest string, executor testChunkExecutor) error {
log.Print("Waiting for a funker request")
return funker.Handle(func(args *types.Args) types.Result {
log.Printf("Executing chunk %d, contains %d test filters",
args.ChunkID, len(args.Tests))
begin := time.Now()
code, rawLog, err := executor(workerImageDigest, args.Tests)
if err != nil {
log.Printf("Error while executing chunk %d: %v", args.ChunkID, err)
if code == 0 {
// Make sure this is a failure
code = 1
}
return types.Result{
ChunkID: args.ChunkID,
Code: int(code),
RawLog: rawLog,
}
}
elapsed := time.Since(begin)
log.Printf("Finished chunk %d, code=%d, elapsed=%v", args.ChunkID, code, elapsed)
return types.Result{
ChunkID: args.ChunkID,
Code: int(code),
RawLog: rawLog,
}
})
}

122
hack/integration-cli-on-swarm/host/compose.go
View file

@ -1,122 +0,0 @@
package main
import (
"context"
"io/ioutil"
"os"
"path/filepath"
"text/template"
"github.com/docker/docker/client"
)
const composeTemplate = `# generated by integration-cli-on-swarm
version: "3"
services:
worker:
image: "{{.WorkerImage}}"
command: ["-worker-image-digest={{.WorkerImageDigest}}", "-dry-run={{.DryRun}}", "-keep-executor={{.KeepExecutor}}"]
networks:
- net
volumes:
# Bind-mount the API socket so that we can invoke "docker run --privileged" within the service containers
- /var/run/docker.sock:/var/run/docker.sock
environment:
- DOCKER_GRAPHDRIVER={{.EnvDockerGraphDriver}}
- DOCKER_EXPERIMENTAL={{.EnvDockerExperimental}}
deploy:
mode: replicated
replicas: {{.Replicas}}
restart_policy:
# The restart condition needs to be any for funker function
condition: any
master:
image: "{{.MasterImage}}"
command: ["-worker-service=worker", "-input=/mnt/input", "-chunks={{.Chunks}}", "-shuffle={{.Shuffle}}", "-rand-seed={{.RandSeed}}"]
networks:
- net
volumes:
- {{.Volume}}:/mnt
deploy:
mode: replicated
replicas: 1
restart_policy:
condition: none
placement:
# Make sure the master can access the volume
constraints: [node.id == {{.SelfNodeID}}]
networks:
net:
volumes:
{{.Volume}}:
external: true
`
type composeOptions struct {
Replicas int
Chunks int
MasterImage string
WorkerImage string
Volume string
Shuffle bool
RandSeed int64
DryRun bool
KeepExecutor bool
}
type composeTemplateOptions struct {
composeOptions
WorkerImageDigest string
SelfNodeID string
EnvDockerGraphDriver string
EnvDockerExperimental string
}
// createCompose creates "dir/docker-compose.yml".
// If dir is empty, TempDir() is used.
func createCompose(dir string, cli *client.Client, opts composeOptions) (string, error) {
if dir == "" {
var err error
dir, err = ioutil.TempDir("", "integration-cli-on-swarm-")
if err != nil {
return "", err
}
}
resolved := composeTemplateOptions{}
resolved.composeOptions = opts
workerImageInspect, _, err := cli.ImageInspectWithRaw(context.Background(), defaultWorkerImageName)
if err != nil {
return "", err
}
if len(workerImageInspect.RepoDigests) > 0 {
resolved.WorkerImageDigest = workerImageInspect.RepoDigests[0]
} else {
// fall back for non-pushed image
resolved.WorkerImageDigest = workerImageInspect.ID
}
info, err := cli.Info(context.Background())
if err != nil {
return "", err
}
resolved.SelfNodeID = info.Swarm.NodeID
resolved.EnvDockerGraphDriver = os.Getenv("DOCKER_GRAPHDRIVER")
resolved.EnvDockerExperimental = os.Getenv("DOCKER_EXPERIMENTAL")
composeFilePath := filepath.Join(dir, "docker-compose.yml")
tmpl, err := template.New("").Parse(composeTemplate)
if err != nil {
return "", err
}
f, err := os.Create(composeFilePath)
if err != nil {
return "", err
}
defer f.Close()
if err = tmpl.Execute(f, resolved); err != nil {
return "", err
}
return composeFilePath, nil
}

63
hack/integration-cli-on-swarm/host/dockercmd.go
View file

@ -1,63 +0,0 @@
package main
import (
"fmt"
"os"
"os/exec"
"strings"
"time"
"github.com/docker/docker/client"
)
func system(commands [][]string) error {
for _, c := range commands {
cmd := exec.Command(c[0], c[1:]...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return err
}
}
return nil
}
func pushImage(_ *client.Client, remote, local string) error {
// FIXME: eliminate os/exec (but it is hard to pass auth without os/exec ...)
return system([][]string{
{"docker", "image", "tag", local, remote},
{"docker", "image", "push", remote},
})
}
func deployStack(_ *client.Client, stackName, composeFilePath string) error {
// FIXME: eliminate os/exec (but stack is implemented in CLI ...)
return system([][]string{
{"docker", "stack", "deploy",
"--compose-file", composeFilePath,
"--with-registry-auth",
stackName},
})
}
func hasStack(_ *client.Client, stackName string) bool {
// FIXME: eliminate os/exec (but stack is implemented in CLI ...)
out, err := exec.Command("docker", "stack", "ls").CombinedOutput()
if err != nil {
panic(fmt.Errorf("`docker stack ls` failed with: %s", string(out)))
}
// FIXME: not accurate
return strings.Contains(string(out), stackName)
}
func removeStack(_ *client.Client, stackName string) error {
// FIXME: eliminate os/exec (but stack is implemented in CLI ...)
if err := system([][]string{
{"docker", "stack", "rm", stackName},
}); err != nil {
return err
}
// FIXME
time.Sleep(10 * time.Second)
return nil
}

55
hack/integration-cli-on-swarm/host/enumerate.go
View file

@ -1,55 +0,0 @@
package main
import (
"fmt"
"io/ioutil"
"path/filepath"
"regexp"
)
var testFuncRegexp *regexp.Regexp
func init() {
testFuncRegexp = regexp.MustCompile(`(?m)^\s*func\s+\(\w*\s*\*(\w+Suite)\)\s+(Test\w+)`)
}
func enumerateTestsForBytes(b []byte) ([]string, error) {
var tests []string
submatches := testFuncRegexp.FindAllSubmatch(b, -1)
for _, submatch := range submatches {
if len(submatch) == 3 {
tests = append(tests, fmt.Sprintf("%s.%s$", submatch[1], submatch[2]))
}
}
return tests, nil
}
// enumerateTests enumerates valid `-check.f` strings for all the test functions.
// Note that we use regexp rather than parsing Go files for performance reason.
// (Try `TESTFLAGS=-check.list make test-integration` to see the slowness of parsing)
// The files needs to be `gofmt`-ed
//
// The result will be as follows, but unsorted ('$' is appended because they are regexp for `-check.f`):
// "DockerAuthzSuite.TestAuthZPluginAPIDenyResponse$"
// "DockerAuthzSuite.TestAuthZPluginAllowEventStream$"
// ...
// "DockerTrustedSwarmSuite.TestTrustedServiceUpdate$"
func enumerateTests(wd string) ([]string, error) {
testGoFiles, err := filepath.Glob(filepath.Join(wd, "integration-cli", "*_test.go"))
if err != nil {
return nil, err
}
var allTests []string
for _, testGoFile := range testGoFiles {
b, err := ioutil.ReadFile(testGoFile)
if err != nil {
return nil, err
}
tests, err := enumerateTestsForBytes(b)
if err != nil {
return nil, err
}
allTests = append(allTests, tests...)
}
return allTests, nil
}

84
hack/integration-cli-on-swarm/host/enumerate_test.go
View file

@ -1,84 +0,0 @@
package main
import (
"os"
"path/filepath"
"reflect"
"sort"
"strings"
"testing"
)
func getRepoTopDir(t *testing.T) string {
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
wd = filepath.Clean(wd)
suffix := "hack/integration-cli-on-swarm/host"
if !strings.HasSuffix(wd, suffix) {
t.Skipf("cwd seems strange (needs to have suffix %s): %v", suffix, wd)
}
return filepath.Clean(filepath.Join(wd, "../../.."))
}
func TestEnumerateTests(t *testing.T) {
if testing.Short() {
t.Skip("skipping in short mode")
}
tests, err := enumerateTests(getRepoTopDir(t))
if err != nil {
t.Fatal(err)
}
sort.Strings(tests)
t.Logf("enumerated %d test filter strings:", len(tests))
for _, s := range tests {
t.Logf("- %q", s)
}
}
func TestEnumerateTestsForBytes(t *testing.T) {
b := []byte(`package main
import (
"github.com/go-check/check"
)
func (s *FooSuite) TestA(c *check.C) {
}
func (s *FooSuite) TestAAA(c *check.C) {
}
func (s *BarSuite) TestBar(c *check.C) {
}
func (x *FooSuite) TestC(c *check.C) {
}
func (*FooSuite) TestD(c *check.C) {
}
// should not be counted
func (s *FooSuite) testE(c *check.C) {
}
// counted, although we don't support ungofmt file
func (s *FooSuite) TestF (c *check.C){}
`)
expected := []string{
"FooSuite.TestA$",
"FooSuite.TestAAA$",
"BarSuite.TestBar$",
"FooSuite.TestC$",
"FooSuite.TestD$",
"FooSuite.TestF$",
}
actual, err := enumerateTestsForBytes(b)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(expected, actual) {
t.Fatalf("expected %q, got %q", expected, actual)
}
}

198
hack/integration-cli-on-swarm/host/host.go
View file

@ -1,198 +0,0 @@
package main
import (
"context"
"flag"
"fmt"
"io"
"io/ioutil"
"os"
"strings"
"time"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/client"
"github.com/docker/docker/pkg/stdcopy"
"github.com/sirupsen/logrus"
)
const (
defaultStackName = "integration-cli-on-swarm"
defaultVolumeName = "integration-cli-on-swarm"
defaultMasterImageName = "integration-cli-master"
defaultWorkerImageName = "integration-cli-worker"
)
func main() {
rc, err := xmain()
if err != nil {
logrus.Fatalf("fatal error: %v", err)
}
os.Exit(rc)
}
func xmain() (int, error) {
// Should we use cobra maybe?
replicas := flag.Int("replicas", 1, "Number of worker service replica")
chunks := flag.Int("chunks", 0, "Number of test chunks executed in batch (0 == replicas)")
pushWorkerImage := flag.String("push-worker-image", "", "Push the worker image to the registry. Required for distributed execution. (empty == not to push)")
shuffle := flag.Bool("shuffle", false, "Shuffle the input so as to mitigate makespan nonuniformity")
// flags below are rarely used
randSeed := flag.Int64("rand-seed", int64(0), "Random seed used for shuffling (0 == current time)")
filtersFile := flag.String("filters-file", "", "Path to optional file composed of `-check.f` filter strings")
dryRun := flag.Bool("dry-run", false, "Dry run")
keepExecutor := flag.Bool("keep-executor", false, "Do not auto-remove executor containers, which is used for running privileged programs on Swarm")
flag.Parse()
if *chunks == 0 {
*chunks = *replicas
}
if *randSeed == int64(0) {
*randSeed = time.Now().UnixNano()
}
cli, err := client.NewClientWithOpts(client.FromEnv)
if err != nil {
return 1, err
}
if hasStack(cli, defaultStackName) {
logrus.Infof("Removing stack %s", defaultStackName)
removeStack(cli, defaultStackName)
}
if hasVolume(cli, defaultVolumeName) {
logrus.Infof("Removing volume %s", defaultVolumeName)
removeVolume(cli, defaultVolumeName)
}
if err = ensureImages(cli, []string{defaultWorkerImageName, defaultMasterImageName}); err != nil {
return 1, err
}
workerImageForStack := defaultWorkerImageName
if *pushWorkerImage != "" {
logrus.Infof("Pushing %s to %s", defaultWorkerImageName, *pushWorkerImage)
if err = pushImage(cli, *pushWorkerImage, defaultWorkerImageName); err != nil {
return 1, err
}
workerImageForStack = *pushWorkerImage
}
compose, err := createCompose("", cli, composeOptions{
Replicas: *replicas,
Chunks: *chunks,
MasterImage: defaultMasterImageName,
WorkerImage: workerImageForStack,
Volume: defaultVolumeName,
Shuffle: *shuffle,
RandSeed: *randSeed,
DryRun: *dryRun,
KeepExecutor: *keepExecutor,
})
if err != nil {
return 1, err
}
filters, err := filtersBytes(*filtersFile)
if err != nil {
return 1, err
}
logrus.Infof("Creating volume %s with input data", defaultVolumeName)
if err = createVolumeWithData(cli,
defaultVolumeName,
map[string][]byte{"/input": filters},
defaultMasterImageName); err != nil {
return 1, err
}
logrus.Infof("Deploying stack %s from %s", defaultStackName, compose)
defer func() {
logrus.Info("NOTE: You may want to inspect or clean up following resources:")
logrus.Infof(" - Stack: %s", defaultStackName)
logrus.Infof(" - Volume: %s", defaultVolumeName)
logrus.Infof(" - Compose file: %s", compose)
logrus.Infof(" - Master image: %s", defaultMasterImageName)
logrus.Infof(" - Worker image: %s", workerImageForStack)
}()
if err = deployStack(cli, defaultStackName, compose); err != nil {
return 1, err
}
logrus.Infof("The log will be displayed here after some duration."+
"You can watch the live status via `docker service logs %s_worker`",
defaultStackName)
masterContainerID, err := waitForMasterUp(cli, defaultStackName)
if err != nil {
return 1, err
}
rc, err := waitForContainerCompletion(cli, os.Stdout, os.Stderr, masterContainerID)
if err != nil {
return 1, err
}
logrus.Infof("Exit status: %d", rc)
return int(rc), nil
}
func ensureImages(cli *client.Client, images []string) error {
for _, image := range images {
_, _, err := cli.ImageInspectWithRaw(context.Background(), image)
if err != nil {
return fmt.Errorf("could not find image %s, please run `make build-integration-cli-on-swarm`: %v",
image, err)
}
}
return nil
}
func filtersBytes(optionalFiltersFile string) ([]byte, error) {
var b []byte
if optionalFiltersFile == "" {
tests, err := enumerateTests(".")
if err != nil {
return b, err
}
b = []byte(strings.Join(tests, "\n") + "\n")
} else {
var err error
b, err = ioutil.ReadFile(optionalFiltersFile)
if err != nil {
return b, err
}
}
return b, nil
}
func waitForMasterUp(cli *client.Client, stackName string) (string, error) {
// FIXME(AkihiroSuda): it should retry until master is up, rather than pre-sleeping
time.Sleep(10 * time.Second)
fil := filters.NewArgs()
fil.Add("label", "com.docker.stack.namespace="+stackName)
// FIXME(AkihiroSuda): we should not rely on internal service naming convention
fil.Add("label", "com.docker.swarm.service.name="+stackName+"_master")
masters, err := cli.ContainerList(context.Background(), types.ContainerListOptions{
All: true,
Filters: fil,
})
if err != nil {
return "", err
}
if len(masters) == 0 {
return "", fmt.Errorf("master not running in stack %s", stackName)
}
return masters[0].ID, nil
}
func waitForContainerCompletion(cli *client.Client, stdout, stderr io.Writer, containerID string) (int64, error) {
stream, err := cli.ContainerLogs(context.Background(),
containerID,
types.ContainerLogsOptions{
ShowStdout: true,
ShowStderr: true,
Follow: true,
})
if err != nil {
return 1, err
}
stdcopy.StdCopy(stdout, stderr, stream)
stream.Close()
resultC, errC := cli.ContainerWait(context.Background(), containerID, "")
select {
case err := <-errC:
return 1, err
case result := <-resultC:
return result.StatusCode, nil
}
}

88
hack/integration-cli-on-swarm/host/volume.go
View file

@ -1,88 +0,0 @@
package main
import (
"archive/tar"
"bytes"
"context"
"io"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/mount"
"github.com/docker/docker/api/types/volume"
"github.com/docker/docker/client"
)
func createTar(data map[string][]byte) (io.Reader, error) {
var b bytes.Buffer
tw := tar.NewWriter(&b)
for path, datum := range data {
hdr := tar.Header{
Name: path,
Mode: 0644,
Size: int64(len(datum)),
}
if err := tw.WriteHeader(&hdr); err != nil {
return nil, err
}
_, err := tw.Write(datum)
if err != nil {
return nil, err
}
}
if err := tw.Close(); err != nil {
return nil, err
}
return &b, nil
}
// createVolumeWithData creates a volume with the given data (e.g. data["/foo"] = []byte("bar"))
// Internally, a container is created from the image so as to provision the data to the volume,
// which is attached to the container.
func createVolumeWithData(cli *client.Client, volumeName string, data map[string][]byte, image string) error {
_, err := cli.VolumeCreate(context.Background(),
volume.VolumeCreateBody{
Driver: "local",
Name: volumeName,
})
if err != nil {
return err
}
mnt := "/mnt"
miniContainer, err := cli.ContainerCreate(context.Background(),
&container.Config{
Image: image,
},
&container.HostConfig{
Mounts: []mount.Mount{
{
Type: mount.TypeVolume,
Source: volumeName,
Target: mnt,
},
},
}, nil, "")
if err != nil {
return err
}
tr, err := createTar(data)
if err != nil {
return err
}
if cli.CopyToContainer(context.Background(),
miniContainer.ID, mnt, tr, types.CopyToContainerOptions{}); err != nil {
return err
}
return cli.ContainerRemove(context.Background(),
miniContainer.ID,
types.ContainerRemoveOptions{})
}
func hasVolume(cli *client.Client, volumeName string) bool {
_, err := cli.VolumeInspect(context.Background(), volumeName)
return err == nil
}
func removeVolume(cli *client.Client, volumeName string) error {
return cli.VolumeRemove(context.Background(), volumeName, true)
}

2
hack/make/build-integration-test-binary
View file

@ -1,5 +1,5 @@
#!/usr/bin/env bash
# required by `make build-integration-cli-on-swarm`
# required by https://github.com/AkihiroSuda/kube-moby-integration
set -e
source hack/make/.integration-test-helpers