integration-cli/docker_cli_restart_test.go
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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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 	"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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 	dockerCmd(c, "run", "--name=test", "busybox", "echo", "foobar")
 	cleanedContainerID, err := getIDByName("test")
 	c.Assert(err, check.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", cleanedContainerID)
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 	// Wait until the container has stopped
 	err = waitInspect(cleanedContainerID, "{{.State.Running}}", "false", 20*time.Second)
 	c.Assert(err, checker.IsNil)
 
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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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 	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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 	prefix, slash := getPrefixAndSlashFromDaemonPlatform()
 	out, _ := runSleepingContainer(c, "-d", "-v", prefix+slash+"test")
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 	cleanedContainerID := strings.TrimSpace(out)
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 	out, err := inspectFilter(cleanedContainerID, "len .Mounts")
 	c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
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 	out = strings.Trim(out, " \n\r")
 	c.Assert(out, checker.Equals, "1")
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 	source, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
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 	c.Assert(err, checker.IsNil)
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 	dockerCmd(c, "restart", cleanedContainerID)
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 	out, err = inspectFilter(cleanedContainerID, "len .Mounts")
 	c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
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 	out = strings.Trim(out, " \n\r")
 	c.Assert(out, checker.Equals, "1")
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 	sourceAfterRestart, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"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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 	out, _ := dockerCmd(c, "run", "-d", "--restart=no", "busybox", "false")
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 	id := strings.TrimSpace(string(out))
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 	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
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 	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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 	out, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "false")
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 	id := strings.TrimSpace(string(out))
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 	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
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 	c.Assert(name, checker.Equals, "always")
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 	MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
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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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 	out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:1", "busybox", "false")
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 	id := strings.TrimSpace(string(out))
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 	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
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 	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) TestRestartContainerwithGoodContainer(c *check.C) {
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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", 30*time.Second)
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 	c.Assert(err, checker.IsNil)
 
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 	count := inspectField(c, id, "RestartCount")
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 	c.Assert(count, checker.Equals, "0")
 
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 	MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
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 	c.Assert(MaximumRetryCount, checker.Equals, "3")
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 }
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 func (s *DockerSuite) TestRestartContainerSuccess(c *check.C) {
 	testRequires(c, SameHostDaemon)
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 	out, _ := runSleepingContainer(c, "-d", "--restart=always")
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 	id := strings.TrimSpace(out)
 	c.Assert(waitRun(id), check.IsNil)
 
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 	pidStr := inspectField(c, id, "State.Pid")
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 	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)
 
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 	err = waitInspect(id, "{{.RestartCount}}", "1", 30*time.Second)
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 	c.Assert(err, check.IsNil)
 
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 	err = waitInspect(id, "{{.State.Status}}", "running", 30*time.Second)
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 	c.Assert(err, check.IsNil)
 }
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 func (s *DockerSuite) TestRestartWithPolicyUserDefinedNetwork(c *check.C) {
 	// TODO Windows. This may be portable following HNS integration post TP5.
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 	testRequires(c, DaemonIsLinux, SameHostDaemon, NotUserNamespace, NotArm)
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 	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
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 	pidStr := inspectField(c, "second", "State.Pid")
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 	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)
 }
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 func (s *DockerSuite) TestRestartPolicyAfterRestart(c *check.C) {
 	testRequires(c, SameHostDaemon)
 
 	out, _ := runSleepingContainer(c, "-d", "--restart=always")
 	id := strings.TrimSpace(out)
 	c.Assert(waitRun(id), check.IsNil)
 
 	dockerCmd(c, "restart", id)
 
 	c.Assert(waitRun(id), check.IsNil)
 
 	pidStr := inspectField(c, id, "State.Pid")
 
 	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", 30*time.Second)
 	c.Assert(err, check.IsNil)
 
 	err = waitInspect(id, "{{.State.Status}}", "running", 30*time.Second)
 	c.Assert(err, check.IsNil)
 }
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 func (s *DockerSuite) TestRestartContainerwithRestartPolicy(c *check.C) {
 	out1, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "false")
 	out2, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "false")
 
 	id1 := strings.TrimSpace(string(out1))
 	id2 := strings.TrimSpace(string(out2))
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 	waitTimeout := 15 * time.Second
 	if daemonPlatform == "windows" {
 		waitTimeout = 150 * time.Second
 	}
 	err := waitInspect(id1, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
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 	c.Assert(err, checker.IsNil)
 
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 	dockerCmd(c, "restart", id1)
 	dockerCmd(c, "restart", id2)
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 	dockerCmd(c, "stop", id1)
 	dockerCmd(c, "stop", id2)
 	dockerCmd(c, "start", id1)
 	dockerCmd(c, "start", id2)
 }