cli/command/container: ForwardAllSignals: rewrite to use ContainerAPIClient

This function only needed the ContainerAPIClient, and not the whole CLI. This
patch refactors it to use the shallower interface.

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

Author: thaJeztah

cli/command/container/attach.go

@@ -106,7 +106,7 @@ func RunAttach(ctx context.Context, dockerCli command.Cli, target string, opts *
 
 	if opts.Proxy && !c.Config.Tty {
 		sigc := notifyAllSignals()
-		go ForwardAllSignals(ctx, dockerCli, target, sigc)
+		go ForwardAllSignals(ctx, apiClient, target, sigc)
 		defer signal.StopCatch(sigc)
 	}
 

cli/command/container/run.go

@@ -121,7 +121,7 @@ func runRun(dockerCli command.Cli, flags *pflag.FlagSet, ropts *runOptions, copt
 func runContainer(dockerCli command.Cli, opts *runOptions, copts *containerOptions, containerCfg *containerConfig) error {
 	config := containerCfg.Config
 	stdout, stderr := dockerCli.Out(), dockerCli.Err()
-	client := dockerCli.Client()
+	apiClient := dockerCli.Client()
 
 	config.ArgsEscaped = false
 
@@ -150,7 +150,7 @@ func runContainer(dockerCli command.Cli, opts *runOptions, copts *containerOptio
 	}
 	if opts.sigProxy {
 		sigc := notifyAllSignals()
-		go ForwardAllSignals(ctx, dockerCli, containerID, sigc)
+		go ForwardAllSignals(ctx, apiClient, containerID, sigc)
 		defer signal.StopCatch(sigc)
 	}
 
@@ -186,10 +186,10 @@ func runContainer(dockerCli command.Cli, opts *runOptions, copts *containerOptio
 		defer closeFn()
 	}
 
-	statusChan := waitExitOrRemoved(ctx, dockerCli.Client(), containerID, copts.autoRemove)
+	statusChan := waitExitOrRemoved(ctx, apiClient, containerID, copts.autoRemove)
 
 	// start the container
-	if err := client.ContainerStart(ctx, containerID, container.StartOptions{}); err != nil {
+	if err := apiClient.ContainerStart(ctx, containerID, container.StartOptions{}); err != nil {
 		// If we have hijackedIOStreamer, we should notify
 		// hijackedIOStreamer we are going to exit and wait
 		// to avoid the terminal are not restored.

cli/command/container/signals.go

@@ -5,15 +5,15 @@ import (
 	"os"
 	gosignal "os/signal"
 
-	"github.com/docker/cli/cli/command"
+	"github.com/docker/docker/client"
 	"github.com/moby/sys/signal"
 	"github.com/sirupsen/logrus"
 )
 
 // ForwardAllSignals forwards signals to the container
 //
 // The channel you pass in must already be setup to receive any signals you want to forward.
-func ForwardAllSignals(ctx context.Context, cli command.Cli, cid string, sigc <-chan os.Signal) {
+func ForwardAllSignals(ctx context.Context, apiClient client.ContainerAPIClient, cid string, sigc <-chan os.Signal) {
 	var (
 		s  os.Signal
 		ok bool
@@ -48,7 +48,7 @@ func ForwardAllSignals(ctx context.Context, cli command.Cli, cid string, sigc <-
 			continue
 		}
 
-		if err := cli.Client().ContainerKill(ctx, cid, sig); err != nil {
+		if err := apiClient.ContainerKill(ctx, cid, sig); err != nil {
 			logrus.Debugf("Error sending signal: %s", err)
 		}
 	}

cli/command/container/signals_test.go

@@ -6,7 +6,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/docker/cli/internal/test"
 	"github.com/moby/sys/signal"
 )
 
@@ -15,16 +14,15 @@ func TestForwardSignals(t *testing.T) {
 	defer cancel()
 
 	called := make(chan struct{})
-	client := &fakeClient{containerKillFunc: func(ctx context.Context, container, signal string) error {
+	apiClient := &fakeClient{containerKillFunc: func(ctx context.Context, container, signal string) error {
 		close(called)
 		return nil
 	}}
 
-	cli := test.NewFakeCli(client)
 	sigc := make(chan os.Signal)
 	defer close(sigc)
 
-	go ForwardAllSignals(ctx, cli, t.Name(), sigc)
+	go ForwardAllSignals(ctx, apiClient, t.Name(), sigc)
 
 	timer := time.NewTimer(30 * time.Second)
 	defer timer.Stop()

cli/command/container/signals_unix_test.go

@@ -9,7 +9,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/docker/cli/internal/test"
 	"golang.org/x/sys/unix"
 	"gotest.tools/v3/assert"
 )
@@ -23,18 +22,17 @@ func TestIgnoredSignals(t *testing.T) {
 			defer cancel()
 
 			var called bool
-			client := &fakeClient{containerKillFunc: func(ctx context.Context, container, signal string) error {
+			apiClient := &fakeClient{containerKillFunc: func(ctx context.Context, container, signal string) error {
 				called = true
 				return nil
 			}}
 
-			cli := test.NewFakeCli(client)
 			sigc := make(chan os.Signal)
 			defer close(sigc)
 
 			done := make(chan struct{})
 			go func() {
-				ForwardAllSignals(ctx, cli, t.Name(), sigc)
+				ForwardAllSignals(ctx, apiClient, t.Name(), sigc)
 				close(done)
 			}()
 

cli/command/container/start.go

@@ -93,7 +93,7 @@ func RunStart(dockerCli command.Cli, opts *StartOptions) error {
 		// We always use c.ID instead of container to maintain consistency during `docker start`
 		if !c.Config.Tty {
 			sigc := notifyAllSignals()
-			go ForwardAllSignals(ctx, dockerCli, c.ID, sigc)
+			go ForwardAllSignals(ctx, dockerCli.Client(), c.ID, sigc)
 			defer signal.StopCatch(sigc)
 		}