Revert rm -f deprecation use SIGKILL instead

`rm -f` was originally deprecated in favor of `rm --stop/--kill` since `rm
-f` was sending SIGTERM and potentially very slow.
Instead this will bring back `rm -f` but use SIGKILL isntead

Docker-DCO-1.1-Signed-off-by: Brian Goff <cpuguy83@gmail.com> (github: cpuguy83)

api/client/commands.go

@@ -1016,8 +1016,7 @@ func (cli *DockerCli) CmdRm(args ...string) error {
 	cmd := cli.Subcmd("rm", "[OPTIONS] CONTAINER [CONTAINER...]", "Remove one or more containers")
 	v := cmd.Bool([]string{"v", "-volumes"}, false, "Remove the volumes associated with the container")
 	link := cmd.Bool([]string{"l", "#link", "-link"}, false, "Remove the specified link and not the underlying container")
-	stop := cmd.Bool([]string{"#f", "s", "#-force", "-stop"}, false, "Stop and remove a running container")
-	kill := cmd.Bool([]string{"k", "-kill"}, false, "Kill and remove a running container")
+	force := cmd.Bool([]string{"f", "-force"}, false, "Force the removal of a running container (uses SIGKILL)")
 
 	if err := cmd.Parse(args); err != nil {
 		return nil
@@ -1026,9 +1025,7 @@ func (cli *DockerCli) CmdRm(args ...string) error {
 		cmd.Usage()
 		return nil
 	}
-	if *stop && *kill {
-		return fmt.Errorf("Conflicting options: -s/--stop and -k/--kill")
-	}
+
 	val := url.Values{}
 	if *v {
 		val.Set("v", "1")
@@ -1036,11 +1033,9 @@ func (cli *DockerCli) CmdRm(args ...string) error {
 	if *link {
 		val.Set("link", "1")
 	}
-	if *stop {
-		val.Set("stop", "1")
-	}
-	if *kill {
-		val.Set("kill", "1")
+
+	if *force {
+		val.Set("force", "1")
 	}
 
 	var encounteredError error

api/server/server.go

@@ -680,16 +680,8 @@ func deleteContainers(eng *engine.Engine, version version.Version, w http.Respon
 	}
 	job := eng.Job("delete", vars["name"])
 
-	if version.GreaterThanOrEqualTo("1.14") {
-		job.Setenv("stop", r.Form.Get("stop"))
-		job.Setenv("kill", r.Form.Get("kill"))
+	job.Setenv("forceRemove", r.Form.Get("force"))
 
-		if job.GetenvBool("stop") && job.GetenvBool("kill") {
-			return fmt.Errorf("Bad parameters: can't use stop and kill simultaneously")
-		}
-	} else {
-		job.Setenv("stop", r.Form.Get("force"))
-	}
 	job.Setenv("removeVolume", r.Form.Get("v"))
 	job.Setenv("removeLink", r.Form.Get("link"))
 	if err := job.Run(); err != nil {

api/server/server_unit_test.go

@@ -474,30 +474,6 @@ func TestDeleteContainers(t *testing.T) {
 	}
 }
 
-func TestDeleteContainersWithStopAndKill(t *testing.T) {
-	if api.APIVERSION.LessThan("1.14") {
-		return
-	}
-	eng := engine.New()
-	var called bool
-	eng.Register("delete", func(job *engine.Job) engine.Status {
-		called = true
-		return engine.StatusOK
-	})
-	r := serveRequest("DELETE", "/containers/foo?stop=1&kill=1", nil, eng, t)
-	if r.Code != http.StatusBadRequest {
-		t.Fatalf("Got status %d, expected %d", r.Code, http.StatusBadRequest)
-	}
-	if called {
-		t.Fatalf("container_delete jobs was called, but it shouldn't")
-	}
-	res := strings.TrimSpace(r.Body.String())
-	expected := "Bad parameters: can't use stop and kill simultaneously"
-	if !strings.Contains(res, expected) {
-		t.Fatalf("Output %s, expected %s in it", res, expected)
-	}
-}
-
 func serveRequest(method, target string, body io.Reader, eng *engine.Engine, t *testing.T) *httptest.ResponseRecorder {
 	return serveRequestUsingVersion(method, target, api.APIVERSION, body, eng, t)
 }

daemon/delete.go

@@ -20,9 +20,7 @@ func (daemon *Daemon) ContainerDestroy(job *engine.Job) engine.Status {
 	name := job.Args[0]
 	removeVolume := job.GetenvBool("removeVolume")
 	removeLink := job.GetenvBool("removeLink")
-	stop := job.GetenvBool("stop")
-	kill := job.GetenvBool("kill")
-
+	forceRemove := job.GetenvBool("forceRemove")
 	container := daemon.Get(name)
 
 	if removeLink {
@@ -55,11 +53,7 @@ func (daemon *Daemon) ContainerDestroy(job *engine.Job) engine.Status {
 
 	if container != nil {
 		if container.State.IsRunning() {
-			if stop {
-				if err := container.Stop(5); err != nil {
-					return job.Errorf("Could not stop running container, cannot remove - %v", err)
-				}
-			} else if kill {
+			if forceRemove {
 				if err := container.Kill(); err != nil {
 					return job.Errorf("Could not kill running container, cannot remove - %v", err)
 				}

docs/man/docker-rm.1.md

@@ -6,9 +6,8 @@ docker-rm - Remove one or more containers
 
 # SYNOPSIS
 **docker rm**
-[**-k**|**--kill**[=*false*]]
 [**-l**|**--link**[=*false*]]
-[**-s**|**--stop**[=*false*]]
+[**-f**|**--force**[=*false*]]
 [**-v**|**--volumes**[=*false*]]
  CONTAINER [CONTAINER...]
 
@@ -20,15 +19,11 @@ remove a running container unless you use the \fB-f\fR option. To see all
 containers on a host use the **docker ps -a** command.
 
 # OPTIONS
-**-k**, **--kill**=*true*|*false*
-   Kill and remove a running container. The default is *false*.
-
 **-l**, **--link**=*true*|*false*
    Remove the specified link and not the underlying container. The default is *false*.
 
-**-s**, **--stop**=*true*|*false*
-   Stop and remove a running container. The default is *false*.
-
+**-f**, **--force**=*true*|*false*
+  Allows removing of a running container by first killing it with SIGKILL.
 **-v**, **--volumes**=*true*|*false*
    Remove the volumes associated with the container. The default is *false*.
 

docs/sources/reference/api/docker_remote_api.md

@@ -37,11 +37,7 @@ You can still call an old version of the API using
 `DELETE /containers/(id)`
 
 **New!**
-You can now use the `stop` parameter to stop running containers before removal
-(replace `force`).
-
-**New!**
-You can now use the `kill` parameter to kill running containers before removal.
+When using `force`, the container will be immediately killed with SIGKILL.
 
 `POST /containers/(id)/start`
 

docs/sources/reference/api/docker_remote_api_v1.14.md

@@ -679,9 +679,7 @@ Remove the container `id` from the filesystem
 
     -   **v** – 1/True/true or 0/False/false, Remove the volumes
         associated to the container. Default false
-    -   **stop** – 1/True/true or 0/False/false, Stop then remove the container.
-        Default false
-    -   **kill** - 1/True/true or 0/False/false, Kill then remove the container.
+    -   **force** - 1/True/true or 0/False/false, Kill then remove the container.
         Default false
 
     Status Codes:

docs/sources/reference/commandline/cli.md

@@ -864,8 +864,7 @@ registry or to a self-hosted one.
 
     Remove one or more containers
 
-      -s, --stop=false       Stop and remove a running container
-      -k, --kill=false       Kill and remove a running container
+      -f, --force=false      Force removal of a running container. Uses SIGKILL to stop the container.
       -l, --link=false       Remove the specified link and not the underlying container
       -v, --volumes=false    Remove the volumes associated with the container
 
@@ -890,21 +889,12 @@ This will remove the underlying link between `/webapp`
 and the `/redis` containers removing all
 network communication.
 
-    $ sudo docker rm --stop redis
-    redis
- 
-The main process inside the container referenced under the link `/redis` will receive
-SIGTERM, and after a grace period, SIGKILL, then the container will be removed.
-
-    $ sudo docker rm --kill redis
+    $ sudo docker rm --force redis
     redis
 
 The main process inside the container referenced under the link `/redis` will receive
 SIGKILL, then the container will be removed.
 
-NOTE: If you try to use `stop` and `kill` simultaneously, Docker will return an error.
-
-    $ sudo docker rm $(docker ps -a -q)
 
 This command will delete all stopped containers. The command
 `docker ps -a -q` will return all existing container

integration-cli/docker_cli_rm_test.go

@@ -57,40 +57,18 @@ func TestRemoveRunningContainer(t *testing.T) {
 	logDone("rm - running container")
 }
 
-func TestStopAndRemoveRunningContainer(t *testing.T) {
+func TestForceRemoveRunningContainer(t *testing.T) {
 	createRunningContainer(t, "foo")
 
 	// Stop then remove with -s
-	cmd := exec.Command(dockerBinary, "rm", "-s", "foo")
+	cmd := exec.Command(dockerBinary, "rm", "-f", "foo")
 	if _, err := runCommand(cmd); err != nil {
 		t.Fatal(err)
 	}
 
 	deleteAllContainers()
 
-	logDone("rm - running container with --stop=true")
-}
-
-func TestKillAndRemoveRunningContainer(t *testing.T) {
-	createRunningContainer(t, "foo")
-
-	// Kill then remove with -k
-	cmd := exec.Command(dockerBinary, "rm", "-k", "foo")
-	if _, err := runCommand(cmd); err != nil {
-		t.Fatal(err)
-	}
-
-	deleteAllContainers()
-
-	logDone("rm - running container with --kill=true")
-}
-
-func TestRemoveContainerWithStopAndKill(t *testing.T) {
-	cmd := exec.Command(dockerBinary, "rm", "-sk", "foo")
-	if _, err := runCommand(cmd); err == nil {
-		t.Fatalf("Expected error: can't use stop and kill simulteanously")
-	}
-	logDone("rm - with --stop=true and --kill=true")
+	logDone("rm - running container with --force=true")
 }
 
 func TestContainerOrphaning(t *testing.T) {