package main import ( "fmt" "net/http" "strings" "time" "github.com/docker/docker/integration-cli/checker" "github.com/docker/docker/integration-cli/cli" "github.com/docker/docker/integration-cli/request" icmd "github.com/docker/docker/pkg/testutil/cmd" "github.com/go-check/check" ) func (s *DockerSuite) TestKillContainer(c *check.C) { out := runSleepingContainer(c, "-d") cleanedContainerID := strings.TrimSpace(out) cli.WaitRun(c, cleanedContainerID) cli.DockerCmd(c, "kill", cleanedContainerID) cli.WaitExited(c, cleanedContainerID, 10*time.Second) out = cli.DockerCmd(c, "ps", "-q").Combined() c.Assert(out, checker.Not(checker.Contains), cleanedContainerID, check.Commentf("killed container is still running")) } func (s *DockerSuite) TestKillOffStoppedContainer(c *check.C) { out := runSleepingContainer(c, "-d") cleanedContainerID := strings.TrimSpace(out) cli.DockerCmd(c, "stop", cleanedContainerID) cli.WaitExited(c, cleanedContainerID, 10*time.Second) cli.Docker(cli.Args("kill", "-s", "30", cleanedContainerID)).Assert(c, icmd.Expected{ ExitCode: 1, }) } func (s *DockerSuite) TestKillDifferentUserContainer(c *check.C) { // TODO Windows: Windows does not yet support -u (Feb 2016). testRequires(c, DaemonIsLinux) out := cli.DockerCmd(c, "run", "-u", "daemon", "-d", "busybox", "top").Combined() cleanedContainerID := strings.TrimSpace(out) cli.WaitRun(c, cleanedContainerID) cli.DockerCmd(c, "kill", cleanedContainerID) cli.WaitExited(c, cleanedContainerID, 10*time.Second) out = cli.DockerCmd(c, "ps", "-q").Combined() c.Assert(out, checker.Not(checker.Contains), cleanedContainerID, check.Commentf("killed container is still running")) } // regression test about correct signal parsing see #13665 func (s *DockerSuite) TestKillWithSignal(c *check.C) { // Cannot port to Windows - does not support signals in the same way Linux does testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-d", "busybox", "top") cid := strings.TrimSpace(out) c.Assert(waitRun(cid), check.IsNil) dockerCmd(c, "kill", "-s", "SIGWINCH", cid) time.Sleep(250 * time.Millisecond) running := inspectField(c, cid, "State.Running") c.Assert(running, checker.Equals, "true", check.Commentf("Container should be in running state after SIGWINCH")) } func (s *DockerSuite) TestKillWithStopSignalWithSameSignalShouldDisableRestartPolicy(c *check.C) { // Cannot port to Windows - does not support signals int the same way as Linux does testRequires(c, DaemonIsLinux) out := cli.DockerCmd(c, "run", "-d", "--stop-signal=TERM", "--restart=always", "busybox", "top").Combined() cid := strings.TrimSpace(out) cli.WaitRun(c, cid) // Let docker send a TERM signal to the container // It will kill the process and disable the restart policy cli.DockerCmd(c, "kill", "-s", "TERM", cid) cli.WaitExited(c, cid, 10*time.Second) out = cli.DockerCmd(c, "ps", "-q").Combined() c.Assert(out, checker.Not(checker.Contains), cid, check.Commentf("killed container is still running")) } func (s *DockerSuite) TestKillWithStopSignalWithDifferentSignalShouldKeepRestartPolicy(c *check.C) { // Cannot port to Windows - does not support signals int the same way as Linux does testRequires(c, DaemonIsLinux) out := cli.DockerCmd(c, "run", "-d", "--stop-signal=CONT", "--restart=always", "busybox", "top").Combined() cid := strings.TrimSpace(out) cli.WaitRun(c, cid) // Let docker send a TERM signal to the container // It will kill the process, but not disable the restart policy cli.DockerCmd(c, "kill", "-s", "TERM", cid) cli.WaitRestart(c, cid, 10*time.Second) // Restart policy should still be in place, so it should be still running cli.WaitRun(c, cid) } // FIXME(vdemeester) should be a unit test func (s *DockerSuite) TestKillWithInvalidSignal(c *check.C) { out := runSleepingContainer(c, "-d") cid := strings.TrimSpace(out) c.Assert(waitRun(cid), check.IsNil) out, _, err := dockerCmdWithError("kill", "-s", "0", cid) c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, "Invalid signal: 0", check.Commentf("Kill with an invalid signal didn't error out correctly")) running := inspectField(c, cid, "State.Running") c.Assert(running, checker.Equals, "true", check.Commentf("Container should be in running state after an invalid signal")) out = runSleepingContainer(c, "-d") cid = strings.TrimSpace(out) c.Assert(waitRun(cid), check.IsNil) out, _, err = dockerCmdWithError("kill", "-s", "SIG42", cid) c.Assert(err, check.NotNil) c.Assert(out, checker.Contains, "Invalid signal: SIG42", check.Commentf("Kill with an invalid signal error out correctly")) running = inspectField(c, cid, "State.Running") c.Assert(running, checker.Equals, "true", check.Commentf("Container should be in running state after an invalid signal")) } func (s *DockerSuite) TestKillStoppedContainerAPIPre120(c *check.C) { testRequires(c, DaemonIsLinux) // Windows only supports 1.25 or later runSleepingContainer(c, "--name", "docker-kill-test-api", "-d") dockerCmd(c, "stop", "docker-kill-test-api") status, _, err := request.SockRequest("POST", fmt.Sprintf("/v1.19/containers/%s/kill", "docker-kill-test-api"), nil, daemonHost()) c.Assert(err, check.IsNil) c.Assert(status, check.Equals, http.StatusNoContent) }