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