Merge pull request #732 from ndeloof/8917

closes #8917 introduce `—workdir` option for docker exec

cli/command/container/exec.go

@@ -24,6 +24,7 @@ type execOptions struct {
 	user        string
 	privileged  bool
 	env         opts.ListOpts
+	workdir     string
 	container   string
 	command     []string
 }
@@ -58,6 +59,8 @@ func NewExecCommand(dockerCli command.Cli) *cobra.Command {
 	flags.BoolVarP(&options.privileged, "privileged", "", false, "Give extended privileges to the command")
 	flags.VarP(&options.env, "env", "e", "Set environment variables")
 	flags.SetAnnotation("env", "version", []string{"1.25"})
+	flags.StringVarP(&options.workdir, "workdir", "w", "", "Working directory inside the container")
+	flags.SetAnnotation("workdir", "version", []string{"1.35"})
 
 	return cmd
 }
@@ -190,6 +193,7 @@ func parseExec(opts execOptions, configFile *configfile.ConfigFile) *types.ExecC
 		Cmd:        opts.command,
 		Detach:     opts.detach,
 		Env:        opts.env.GetAll(),
+		WorkingDir: opts.workdir,
 	}
 
 	// If -d is not set, attach to everything by default

contrib/completion/bash/docker

@@ -1439,11 +1439,14 @@ _docker_container_exec() {
 			__docker_complete_user_group
 			return
 			;;
+		--workdir|-w)
+			return
+			;;
 	esac
 
 	case "$cur" in
 		-*)
-			COMPREPLY=( $( compgen -W "--detach -d --detach-keys --env -e --help --interactive -i --privileged -t --tty -u --user" -- "$cur" ) )
+			COMPREPLY=( $( compgen -W "--detach -d --detach-keys --env -e --help --interactive -i --privileged -t --tty -u --user --workdir -w" -- "$cur" ) )
 			;;
 		*)
 			__docker_complete_containers_running

contrib/completion/fish/docker.fish

@@ -174,6 +174,7 @@ complete -c docker -A -f -n '__fish_seen_subcommand_from exec' -s d -l detach -d
 complete -c docker -A -f -n '__fish_seen_subcommand_from exec' -l help -d 'Print usage'
 complete -c docker -A -f -n '__fish_seen_subcommand_from exec' -s i -l interactive -d 'Keep STDIN open even if not attached'
 complete -c docker -A -f -n '__fish_seen_subcommand_from exec' -s t -l tty -d 'Allocate a pseudo-TTY'
+complete -c docker -A -f -n '__fish_seen_subcommand_from exec' -s w -l workdir -d 'Working directory inside the container'
 complete -c docker -A -f -n '__fish_seen_subcommand_from exec' -a '(__fish_print_docker_containers running)' -d "Container"
 
 # export

contrib/completion/zsh/_docker

@@ -745,6 +745,7 @@ __docker_container_subcommand() {
                 "($help)--privileged[Give extended Linux capabilities to the command]" \
                 "($help -t --tty)"{-t,--tty}"[Allocate a pseudo-tty]" \
                 "($help -u --user)"{-u=,--user=}"[Username or UID]:user:_users" \
+                "($help -w --workdir)"{-w=,--workdir=}"[Working directory inside the container]:directory:_directories"
                 "($help -):containers:__docker_complete_running_containers" \
                 "($help -)*::command:->anycommand" && ret=0
             case $state in

docs/reference/commandline/exec.md

@@ -29,6 +29,7 @@ Options:
       --privileged     Give extended privileges to the command
   -t, --tty            Allocate a pseudo-TTY
   -u, --user           Username or UID (format: <name|uid>[:<group|gid>])
+  -w, --workdir        Working directory inside the container  
 ```
 
 ## Description
@@ -86,6 +87,20 @@ This will create a new Bash session in the container `ubuntu_bash` with environm
 variable `$VAR` set to "1". Note that this environment variable will only be valid 
 on the current Bash session.
 
+By default `docker exec` command runs in the same working directory set when container was created.
+
+```bash
+$ docker exec -it ubuntu_bash pwd
+/
+```
+
+You can select working directory for the command to execute into
+
+```bash
+$ docker exec -it -w /root ubuntu_bash pwd
+/root
+```
+
 
 ### Try to run `docker exec` on a paused container
 

vendor.conf

@@ -5,7 +5,7 @@ github.com/coreos/etcd v3.2.1
 github.com/cpuguy83/go-md2man a65d4d2de4d5f7c74868dfa9b202a3c8be315aaa
 github.com/davecgh/go-spew 346938d642f2ec3594ed81d874461961cd0faa76
 github.com/docker/distribution edc3ab29cdff8694dd6feb85cfeb4b5f1b38ed9c
-github.com/docker/docker f4d4f5863156b82ef146b6ff1e845f8dcf019f12
+github.com/docker/docker 5e5fadb3c0201553929d4a6ea8dc8f9d8a1e56fe
 github.com/docker/docker-credential-helpers 3c90bd29a46b943b2a9842987b58fb91a7c1819b
 
 # the docker/go package contains a customized version of canonical/json

vendor/github.com/docker/docker/api/types/configs.go

@@ -50,6 +50,7 @@ type ExecConfig struct {
 	Detach       bool     // Execute in detach mode
 	DetachKeys   string   // Escape keys for detach
 	Env          []string // Environment variables
+	WorkingDir   string   // Working directory
 	Cmd          []string // Execution commands and args
 }
 

vendor/github.com/docker/docker/api/types/swarm/runtime/plugin.proto

@@ -1,5 +1,7 @@
 syntax = "proto3";
 
+option go_package = "github.com/docker/docker/api/types/swarm/runtime;runtime";
+
 // PluginSpec defines the base payload which clients can specify for creating
 // a service with the plugin runtime.
 message PluginSpec {

vendor/github.com/docker/docker/pkg/idtools/idtools.go

@@ -34,39 +34,26 @@ const (
 	subgidFileName string = "/etc/subgid"
 )
 
-// MkdirAllAs creates a directory (include any along the path) and then modifies
-// ownership to the requested uid/gid.  If the directory already exists, this
-// function will still change ownership to the requested uid/gid pair.
-// Deprecated: Use MkdirAllAndChown
-func MkdirAllAs(path string, mode os.FileMode, ownerUID, ownerGID int) error {
-	return mkdirAs(path, mode, ownerUID, ownerGID, true, true)
-}
-
-// MkdirAs creates a directory and then modifies ownership to the requested uid/gid.
-// If the directory already exists, this function still changes ownership
-// Deprecated: Use MkdirAndChown with a IDPair
-func MkdirAs(path string, mode os.FileMode, ownerUID, ownerGID int) error {
-	return mkdirAs(path, mode, ownerUID, ownerGID, false, true)
-}
-
 // MkdirAllAndChown creates a directory (include any along the path) and then modifies
 // ownership to the requested uid/gid.  If the directory already exists, this
 // function will still change ownership to the requested uid/gid pair.
-func MkdirAllAndChown(path string, mode os.FileMode, ids IDPair) error {
-	return mkdirAs(path, mode, ids.UID, ids.GID, true, true)
+func MkdirAllAndChown(path string, mode os.FileMode, owner IDPair) error {
+	return mkdirAs(path, mode, owner.UID, owner.GID, true, true)
 }
 
 // MkdirAndChown creates a directory and then modifies ownership to the requested uid/gid.
-// If the directory already exists, this function still changes ownership
-func MkdirAndChown(path string, mode os.FileMode, ids IDPair) error {
-	return mkdirAs(path, mode, ids.UID, ids.GID, false, true)
+// If the directory already exists, this function still changes ownership.
+// Note that unlike os.Mkdir(), this function does not return IsExist error
+// in case path already exists.
+func MkdirAndChown(path string, mode os.FileMode, owner IDPair) error {
+	return mkdirAs(path, mode, owner.UID, owner.GID, false, true)
 }
 
 // MkdirAllAndChownNew creates a directory (include any along the path) and then modifies
 // ownership ONLY of newly created directories to the requested uid/gid. If the
 // directories along the path exist, no change of ownership will be performed
-func MkdirAllAndChownNew(path string, mode os.FileMode, ids IDPair) error {
-	return mkdirAs(path, mode, ids.UID, ids.GID, true, false)
+func MkdirAllAndChownNew(path string, mode os.FileMode, owner IDPair) error {
+	return mkdirAs(path, mode, owner.UID, owner.GID, true, false)
 }
 
 // GetRootUIDGID retrieves the remapped root uid/gid pair from the set of maps.

vendor/github.com/docker/docker/pkg/idtools/idtools_unix.go

@@ -10,6 +10,7 @@ import (
 	"path/filepath"
 	"strings"
 	"sync"
+	"syscall"
 
 	"github.com/docker/docker/pkg/system"
 	"github.com/opencontainers/runc/libcontainer/user"
@@ -29,6 +30,9 @@ func mkdirAs(path string, mode os.FileMode, ownerUID, ownerGID int, mkAll, chown
 
 	stat, err := system.Stat(path)
 	if err == nil {
+		if !stat.IsDir() {
+			return &os.PathError{Op: "mkdir", Path: path, Err: syscall.ENOTDIR}
+		}
 		if !chownExisting {
 			return nil
 		}
@@ -54,7 +58,7 @@ func mkdirAs(path string, mode os.FileMode, ownerUID, ownerGID int, mkAll, chown
 				paths = append(paths, dirPath)
 			}
 		}
-		if err := system.MkdirAll(path, mode, ""); err != nil && !os.IsExist(err) {
+		if err := system.MkdirAll(path, mode, ""); err != nil {
 			return err
 		}
 	} else {

vendor/github.com/docker/docker/pkg/idtools/idtools_windows.go

@@ -11,7 +11,7 @@ import (
 // Platforms such as Windows do not support the UID/GID concept. So make this
 // just a wrapper around system.MkdirAll.
 func mkdirAs(path string, mode os.FileMode, ownerUID, ownerGID int, mkAll, chownExisting bool) error {
-	if err := system.MkdirAll(path, mode, ""); err != nil && !os.IsExist(err) {
+	if err := system.MkdirAll(path, mode, ""); err != nil {
 		return err
 	}
 	return nil

vendor/github.com/docker/docker/pkg/system/stat_unix.go

@@ -47,6 +47,11 @@ func (s StatT) Mtim() syscall.Timespec {
 	return s.mtim
 }
 
+// IsDir reports whether s describes a directory.
+func (s StatT) IsDir() bool {
+	return s.mode&syscall.S_IFDIR != 0
+}
+
 // Stat takes a path to a file and returns
 // a system.StatT type pertaining to that file.
 //

vendor/github.com/docker/docker/vendor.conf

@@ -1,6 +1,6 @@
 # the following lines are in sorted order, FYI
 github.com/Azure/go-ansiterm d6e3b3328b783f23731bc4d058875b0371ff8109
-github.com/Microsoft/hcsshim v0.6.5
+github.com/Microsoft/hcsshim v0.6.7
 github.com/Microsoft/go-winio v0.4.5
 github.com/davecgh/go-spew 346938d642f2ec3594ed81d874461961cd0faa76
 github.com/docker/libtrust 9cbd2a1374f46905c68a4eb3694a130610adc62a
@@ -30,7 +30,7 @@ github.com/moby/buildkit aaff9d591ef128560018433fe61beb802e149de8
 github.com/tonistiigi/fsutil dea3a0da73aee887fc02142d995be764106ac5e2
 
 #get libnetwork packages
-github.com/docker/libnetwork 72fd7e5495eba86e28012e39b5ed63ef9ca9a97b
+github.com/docker/libnetwork 64ae58878fc8f95e4a167499d654e13fa36abdc7
 github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9
 github.com/armon/go-radix e39d623f12e8e41c7b5529e9a9dd67a1e2261f80
 github.com/armon/go-metrics eb0af217e5e9747e41dd5303755356b62d28e3ec
@@ -65,7 +65,7 @@ github.com/pborman/uuid v1.0
 google.golang.org/grpc v1.3.0
 
 # When updating, also update RUNC_COMMIT in hack/dockerfile/binaries-commits accordingly
-github.com/opencontainers/runc 0351df1c5a66838d0c392b4ac4cf9450de844e2d
+github.com/opencontainers/runc b2567b37d7b75eb4cf325b77297b140ea686ce8f
 github.com/opencontainers/runtime-spec v1.0.0
 github.com/opencontainers/image-spec v1.0.0
 github.com/seccomp/libseccomp-golang 32f571b70023028bd57d9288c20efbcb237f3ce0
@@ -79,13 +79,13 @@ github.com/golang/protobuf 7a211bcf3bce0e3f1d74f9894916e6f116ae83b4
 # gelf logging driver deps
 github.com/Graylog2/go-gelf v2
 
-github.com/fluent/fluent-logger-golang v1.2.1
+github.com/fluent/fluent-logger-golang v1.3.0
 # fluent-logger-golang deps
 github.com/philhofer/fwd 98c11a7a6ec829d672b03833c3d69a7fae1ca972
-github.com/tinylib/msgp 75ee40d2601edf122ef667e2a07d600d4c44490c
+github.com/tinylib/msgp 3b556c64540842d4f82967be066a7f7fffc3adad
 
 # fsnotify
-github.com/fsnotify/fsnotify v1.4.2
+github.com/fsnotify/fsnotify 4da3e2cfbabc9f751898f250b49f2439785783a1
 
 # awslogs deps
 github.com/aws/aws-sdk-go v1.4.22
@@ -103,14 +103,15 @@ github.com/googleapis/gax-go da06d194a00e19ce00d9011a13931c3f6f6887c7
 google.golang.org/genproto d80a6e20e776b0b17a324d0ba1ab50a39c8e8944
 
 # containerd
-github.com/containerd/containerd 992280e8e265f491f7a624ab82f3e238be086e49
+github.com/containerd/containerd v1.0.0
 github.com/containerd/fifo fbfb6a11ec671efbe94ad1c12c2e98773f19e1e6
 github.com/containerd/continuity 35d55c5e8dd23b32037d56cf97174aff3efdfa83
-github.com/containerd/cgroups f7dd103d3e4e696aa67152f6b4ddd1779a3455a9
+github.com/containerd/cgroups 29da22c6171a4316169f9205ab6c49f59b5b852f
 github.com/containerd/console 84eeaae905fa414d03e07bcd6c8d3f19e7cf180e
 github.com/containerd/go-runc ed1cbe1fc31f5fb2359d3a54b6330d1a097858b7
 github.com/containerd/typeurl f6943554a7e7e88b3c14aad190bf05932da84788
-github.com/dmcgowan/go-tar 2e2c51242e8993c50445dab7c03c8e7febddd0cf
+github.com/dmcgowan/go-tar go1.10
+github.com/stevvooe/ttrpc 76e68349ad9ab4d03d764c713826d31216715e4f
 
 # cluster
 github.com/docker/swarmkit de950a7ed842c7b7e47e9451cde9bf8f96031894