cli/command: Add quiet option for create and run

Signed-off-by: Chee Hau Lim <cheehau.lim@mobimeo.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/command/container/create.go

@@ -36,7 +36,8 @@ type createOptions struct {
 	name      string
 	platform  string
 	untrusted bool
-	pull      string // alway, missing, never
+	pull      string // always, missing, never
+	quiet     bool
 }
 
 // NewCreateCommand creates a new cobra.Command for `docker create`
@@ -63,6 +64,7 @@ func NewCreateCommand(dockerCli command.Cli) *cobra.Command {
 	flags.StringVar(&opts.name, "name", "", "Assign a name to the container")
 	flags.StringVar(&opts.pull, "pull", PullImageMissing,
 		`Pull image before creating ("`+PullImageAlways+`"|"`+PullImageMissing+`"|"`+PullImageNever+`")`)
+	flags.BoolVarP(&opts.quiet, "quiet", "q", false, "Suppress the pull output")
 
 	// Add an explicit help that doesn't have a `-h` to prevent the conflict
 	// with hostname
@@ -227,7 +229,11 @@ func createContainer(ctx context.Context, dockerCli command.Cli, containerConfig
 	}
 
 	pullAndTagImage := func() error {
-		if err := pullImage(ctx, dockerCli, config.Image, opts.platform, stderr); err != nil {
+		pullOut := stderr
+		if opts.quiet {
+			pullOut = io.Discard
+		}
+		if err := pullImage(ctx, dockerCli, config.Image, opts.platform, pullOut); err != nil {
 			return err
 		}
 		if taggedRef, ok := namedRef.(reference.NamedTagged); ok && trustedRef != nil {
@@ -259,8 +265,11 @@ func createContainer(ctx context.Context, dockerCli command.Cli, containerConfig
 	if err != nil {
 		// Pull image if it does not exist locally and we have the PullImageMissing option. Default behavior.
 		if apiclient.IsErrNotFound(err) && namedRef != nil && opts.pull == PullImageMissing {
-			// we don't want to write to stdout anything apart from container.ID
-			fmt.Fprintf(stderr, "Unable to find image '%s' locally\n", reference.FamiliarString(namedRef))
+			if !opts.quiet {
+				// we don't want to write to stdout anything apart from container.ID
+				fmt.Fprintf(stderr, "Unable to find image '%s' locally\n", reference.FamiliarString(namedRef))
+			}
+
 			if err := pullAndTagImage(); err != nil {
 				return nil, err
 			}

cli/command/container/run.go

@@ -56,6 +56,7 @@ func NewRunCommand(dockerCli command.Cli) *cobra.Command {
 	flags.StringVar(&opts.detachKeys, "detach-keys", "", "Override the key sequence for detaching a container")
 	flags.StringVar(&opts.createOptions.pull, "pull", PullImageMissing,
 		`Pull image before running ("`+PullImageAlways+`"|"`+PullImageMissing+`"|"`+PullImageNever+`")`)
+	flags.BoolVarP(&opts.createOptions.quiet, "quiet", "q", false, "Suppress the pull output")
 
 	// Add an explicit help that doesn't have a `-h` to prevent the conflict
 	// with hostname

contrib/completion/bash/docker

@@ -1994,6 +1994,7 @@ _docker_container_run_and_create() {
 		--oom-kill-disable
 		--privileged
 		--publish-all -P
+		--quiet -q
 		--read-only
 		--tty -t
 	"

contrib/completion/zsh/_docker

@@ -650,6 +650,7 @@ __docker_container_subcommand() {
         "($help)*"{-p=,--publish=}"[Expose a container's port to the host]:port:_ports"
         "($help)--pid=[PID namespace to use]:PID namespace:__docker_complete_pid"
         "($help)--privileged[Give extended privileges to this container]"
+        "($help -q --quiet)"{-q,--quiet}"[Suppress the pull output]"
         "($help)--read-only[Mount the container's root filesystem as read only]"
         "($help)*--security-opt=[Security options]:security option: "
         "($help)*--shm-size=[Size of '/dev/shm' (format is '<number><unit>')]:shm size: "

docs/reference/commandline/create.md

@@ -99,6 +99,7 @@ Options:
   -p, --publish value                 Publish a container's port(s) to the host (default [])
   -P, --publish-all                   Publish all exposed ports to random ports
       --pull string                   Pull image before creating ("always"|"missing"|"never") (default "missing")
+  -q, --quiet                         Suppress the pull output
       --read-only                     Mount the container's root filesystem as read only
       --restart string                Restart policy to apply when a container exits (default "no")
                                       Possible values are: no, on-failure[:max-retry], always, unless-stopped

docs/reference/commandline/run.md

@@ -109,6 +109,7 @@ Options:
   -p, --publish value                 Publish a container's port(s) to the host (default [])
   -P, --publish-all                   Publish all exposed ports to random ports
       --pull string                   Pull image before running ("always"|"missing"|"never") (default "missing")
+  -q, --quiet                         Suppress the pull output
       --read-only                     Mount the container's root filesystem as read only
       --restart string                Restart policy to apply when a container exits (default "no")
                                       Possible values are : no, on-failure[:max-retry], always, unless-stopped