| package main |
| |
| import ( |
| "os" |
| "strconv" |
| "strings" |
| "time" |
| |
| "github.com/docker/docker/pkg/integration/checker" |
| "github.com/go-check/check" |
| ) |
| |
| func (s *DockerSuite) TestRestartStoppedContainer(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, _ := dockerCmd(c, "run", "-d", "busybox", "echo", "foobar") |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| dockerCmd(c, "wait", cleanedContainerID) |
| |
| out, _ = dockerCmd(c, "logs", cleanedContainerID) |
| c.Assert(out, checker.Equals, "foobar\n") |
| |
| dockerCmd(c, "restart", cleanedContainerID) |
| |
| out, _ = dockerCmd(c, "logs", cleanedContainerID) |
| c.Assert(out, checker.Equals, "foobar\nfoobar\n") |
| } |
| |
| func (s *DockerSuite) TestRestartRunningContainer(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "echo foobar && sleep 30 && echo 'should not print this'") |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| |
| c.Assert(waitRun(cleanedContainerID), checker.IsNil) |
| |
| out, _ = dockerCmd(c, "logs", cleanedContainerID) |
| c.Assert(out, checker.Equals, "foobar\n") |
| |
| dockerCmd(c, "restart", "-t", "1", cleanedContainerID) |
| |
| out, _ = dockerCmd(c, "logs", cleanedContainerID) |
| |
| c.Assert(waitRun(cleanedContainerID), checker.IsNil) |
| |
| c.Assert(out, checker.Equals, "foobar\nfoobar\n") |
| } |
| |
| // Test that restarting a container with a volume does not create a new volume on restart. Regression test for #819. |
| func (s *DockerSuite) TestRestartWithVolumes(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, _ := dockerCmd(c, "run", "-d", "-v", "/test", "busybox", "top") |
| |
| cleanedContainerID := strings.TrimSpace(out) |
| out, _ = dockerCmd(c, "inspect", "--format", "{{ len .Mounts }}", cleanedContainerID) |
| out = strings.Trim(out, " \n\r") |
| c.Assert(out, checker.Equals, "1") |
| |
| source, err := inspectMountSourceField(cleanedContainerID, "/test") |
| c.Assert(err, checker.IsNil) |
| |
| dockerCmd(c, "restart", cleanedContainerID) |
| |
| out, _ = dockerCmd(c, "inspect", "--format", "{{ len .Mounts }}", cleanedContainerID) |
| out = strings.Trim(out, " \n\r") |
| c.Assert(out, checker.Equals, "1") |
| |
| sourceAfterRestart, err := inspectMountSourceField(cleanedContainerID, "/test") |
| c.Assert(err, checker.IsNil) |
| c.Assert(source, checker.Equals, sourceAfterRestart) |
| } |
| |
| func (s *DockerSuite) TestRestartPolicyNO(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, _ := dockerCmd(c, "run", "-d", "--restart=no", "busybox", "false") |
| |
| id := strings.TrimSpace(string(out)) |
| name, err := inspectField(id, "HostConfig.RestartPolicy.Name") |
| c.Assert(err, checker.IsNil) |
| c.Assert(name, checker.Equals, "no") |
| } |
| |
| func (s *DockerSuite) TestRestartPolicyAlways(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "false") |
| |
| id := strings.TrimSpace(string(out)) |
| name, err := inspectField(id, "HostConfig.RestartPolicy.Name") |
| c.Assert(err, checker.IsNil) |
| c.Assert(name, checker.Equals, "always") |
| |
| MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount") |
| c.Assert(err, checker.IsNil) |
| |
| // MaximumRetryCount=0 if the restart policy is always |
| c.Assert(MaximumRetryCount, checker.Equals, "0") |
| } |
| |
| func (s *DockerSuite) TestRestartPolicyOnFailure(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:1", "busybox", "false") |
| |
| id := strings.TrimSpace(string(out)) |
| name, err := inspectField(id, "HostConfig.RestartPolicy.Name") |
| c.Assert(err, checker.IsNil) |
| c.Assert(name, checker.Equals, "on-failure") |
| |
| } |
| |
| // a good container with --restart=on-failure:3 |
| // MaximumRetryCount!=0; RestartCount=0 |
| func (s *DockerSuite) TestContainerRestartwithGoodContainer(c *check.C) { |
| testRequires(c, DaemonIsLinux) |
| out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "true") |
| |
| id := strings.TrimSpace(string(out)) |
| err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 5*time.Second) |
| c.Assert(err, checker.IsNil) |
| |
| count, err := inspectField(id, "RestartCount") |
| c.Assert(err, checker.IsNil) |
| c.Assert(count, checker.Equals, "0") |
| |
| MaximumRetryCount, err := inspectField(id, "HostConfig.RestartPolicy.MaximumRetryCount") |
| c.Assert(err, checker.IsNil) |
| c.Assert(MaximumRetryCount, checker.Equals, "3") |
| |
| } |
| |
| func (s *DockerSuite) TestContainerRestartSuccess(c *check.C) { |
| testRequires(c, DaemonIsLinux, SameHostDaemon) |
| |
| out, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "top") |
| id := strings.TrimSpace(out) |
| c.Assert(waitRun(id), check.IsNil) |
| |
| pidStr, err := inspectField(id, "State.Pid") |
| c.Assert(err, check.IsNil) |
| |
| pid, err := strconv.Atoi(pidStr) |
| c.Assert(err, check.IsNil) |
| |
| p, err := os.FindProcess(pid) |
| c.Assert(err, check.IsNil) |
| c.Assert(p, check.NotNil) |
| |
| err = p.Kill() |
| c.Assert(err, check.IsNil) |
| |
| err = waitInspect(id, "{{.RestartCount}}", "1", 5*time.Second) |
| c.Assert(err, check.IsNil) |
| |
| err = waitInspect(id, "{{.State.Status}}", "running", 5*time.Second) |
| c.Assert(err, check.IsNil) |
| } |