package main import ( "fmt" "net/http" "strings" "github.com/docker/docker/pkg/integration/checker" "github.com/go-check/check" ) func (s *DockerSuite) TestKillContainer(c *check.C) { out, _ := runSleepingContainer(c, "-d") cleanedContainerID := strings.TrimSpace(out) c.Assert(waitRun(cleanedContainerID), check.IsNil) dockerCmd(c, "kill", cleanedContainerID) out, _ = dockerCmd(c, "ps", "-q") 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) dockerCmd(c, "stop", cleanedContainerID) _, _, err := dockerCmdWithError("kill", "-s", "30", cleanedContainerID) c.Assert(err, check.Not(check.IsNil), check.Commentf("Container %s is not running", cleanedContainerID)) } func (s *DockerSuite) TestKillDifferentUserContainer(c *check.C) { // TODO Windows: Windows does not yet support -u (Feb 2016). testRequires(c, DaemonIsLinux) out, _ := dockerCmd(c, "run", "-u", "daemon", "-d", "busybox", "top") cleanedContainerID := strings.TrimSpace(out) c.Assert(waitRun(cleanedContainerID), check.IsNil) dockerCmd(c, "kill", cleanedContainerID) out, _ = dockerCmd(c, "ps", "-q") 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) 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, _ := dockerCmd(c, "run", "-d", "--stop-signal=TERM", "busybox", "top") cid := strings.TrimSpace(out) c.Assert(waitRun(cid), check.IsNil) // Let's docker send a CONT signal to the container dockerCmd(c, "kill", "-s", "TERM", cid) out, _ = dockerCmd(c, "ps", "-q") 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, _ := dockerCmd(c, "run", "-d", "--stop-signal=CONT", "busybox", "top") cid := strings.TrimSpace(out) c.Assert(waitRun(cid), check.IsNil) // Let's docker send a TERM signal to the container // It will kill the process, but not disable the restart policy dockerCmd(c, "kill", "-s", "TERM", cid) // Restart policy should still be in place, so it should be still running c.Assert(waitRun(cid), check.IsNil) } // 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 := sockRequest("POST", fmt.Sprintf("/v1.19/containers/%s/kill", "docker-kill-test-api"), nil) c.Assert(err, check.IsNil) c.Assert(status, check.Equals, http.StatusNoContent) }