vendor: github.com/containerd/ttrpc v1.0.2

full diff: https://github.com/containerd/ttrpc/compare/v1.0.1...v1.0.2

- fix bug, failed to assert net error due to error wrap
    - fixes: ttrpc client receive "read: connection reset by peer: unknown"
- client: add UserOnCloseWait function
- travis: add go 1.15

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor.conf

@@ -137,7 +137,7 @@ github.com/containerd/cgroups                       318312a373405e5e91134d8063d0
 github.com/containerd/console                       5d7e1412f07b502a01029ea20e20e0d2be31fa7c # v1.0.1
 github.com/containerd/go-runc                       16b287bc67d069a60fa48db15f330b790b74365b
 github.com/containerd/typeurl                       cd3ce7159eae562a4f60ceff37dada11a939d247 # v1.0.1
-github.com/containerd/ttrpc                         72bb1b21c5b0a4a107f59dd85f6ab58e564b68d6 # v1.0.1
+github.com/containerd/ttrpc                         bfba540dc45464586c106b1f31c8547933c1eb41 # v1.0.2
 github.com/gogo/googleapis                          01e0f9cca9b92166042241267ee2a5cdf5cff46c # v1.3.2
 github.com/cilium/ebpf                              1c8d4c9ef7759622653a1d319284a44652333b28
 

vendor/github.com/containerd/containerd/runtime/io.go

@@ -0,0 +1,53 @@
+/*
+   Copyright The containerd 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 runtime
+
+import (
+	"net/url"
+	"os"
+	"os/exec"
+)
+
+// NewBinaryCmd returns a Cmd to be used to start a logging binary.
+// The Cmd is generated from the provided uri, and the container ID and
+// namespace are appended to the Cmd environment.
+func NewBinaryCmd(binaryURI *url.URL, id, ns string) *exec.Cmd {
+	var args []string
+	for k, vs := range binaryURI.Query() {
+		args = append(args, k)
+		if len(vs) > 0 {
+			args = append(args, vs[0])
+		}
+	}
+
+	cmd := exec.Command(binaryURI.Path, args...)
+
+	cmd.Env = append(cmd.Env,
+		"CONTAINER_ID="+id,
+		"CONTAINER_NAMESPACE="+ns,
+	)
+
+	return cmd
+}
+
+// CloseFiles closes any files passed in.
+// It it used for cleanup in the event of unexpected errors.
+func CloseFiles(files ...*os.File) {
+	for _, file := range files {
+		file.Close()
+	}
+}

vendor/github.com/containerd/ttrpc/client.go

@@ -47,8 +47,9 @@ type Client struct {
 	ctx    context.Context
 	closed func()
 
-	closeOnce     sync.Once
-	userCloseFunc func()
+	closeOnce       sync.Once
+	userCloseFunc   func()
+	userCloseWaitCh chan struct{}
 
 	errOnce     sync.Once
 	err         error
@@ -75,14 +76,15 @@ func WithUnaryClientInterceptor(i UnaryClientInterceptor) ClientOpts {
 func NewClient(conn net.Conn, opts ...ClientOpts) *Client {
 	ctx, cancel := context.WithCancel(context.Background())
 	c := &Client{
-		codec:         codec{},
-		conn:          conn,
-		channel:       newChannel(conn),
-		calls:         make(chan *callRequest),
-		closed:        cancel,
-		ctx:           ctx,
-		userCloseFunc: func() {},
-		interceptor:   defaultClientInterceptor,
+		codec:           codec{},
+		conn:            conn,
+		channel:         newChannel(conn),
+		calls:           make(chan *callRequest),
+		closed:          cancel,
+		ctx:             ctx,
+		userCloseFunc:   func() {},
+		userCloseWaitCh: make(chan struct{}),
+		interceptor:     defaultClientInterceptor,
 	}
 
 	for _, o := range opts {
@@ -175,6 +177,17 @@ func (c *Client) Close() error {
 	return nil
 }
 
+// UserOnCloseWait is used to blocks untils the user's on-close callback
+// finishes.
+func (c *Client) UserOnCloseWait(ctx context.Context) error {
+	select {
+	case <-c.userCloseWaitCh:
+		return nil
+	case <-ctx.Done():
+		return ctx.Err()
+	}
+}
+
 type message struct {
 	messageHeader
 	p   []byte
@@ -251,6 +264,7 @@ func (c *Client) run() {
 	defer func() {
 		c.conn.Close()
 		c.userCloseFunc()
+		close(c.userCloseWaitCh)
 	}()
 
 	for {
@@ -339,7 +353,8 @@ func filterCloseErr(err error) error {
 		return ErrClosed
 	default:
 		// if we have an epipe on a write or econnreset on a read , we cast to errclosed
-		if oerr, ok := err.(*net.OpError); ok && (oerr.Op == "write" || oerr.Op == "read") {
+		var oerr *net.OpError
+		if errors.As(err, &oerr) && (oerr.Op == "write" || oerr.Op == "read") {
 			serr, sok := oerr.Err.(*os.SyscallError)
 			if sok && ((serr.Err == syscall.EPIPE && oerr.Op == "write") ||
 				(serr.Err == syscall.ECONNRESET && oerr.Op == "read")) {