github.com/hustcat/docker@v1.3.3-0.20160314103604-901c67a8eeab/integration-cli/docker_cli_restart_test.go (about)

     1  package main
     2  
     3  import (
     4  	"os"
     5  	"strconv"
     6  	"strings"
     7  	"time"
     8  
     9  	"github.com/docker/docker/pkg/integration/checker"
    10  	"github.com/go-check/check"
    11  )
    12  
    13  func (s *DockerSuite) TestRestartStoppedContainer(c *check.C) {
    14  	dockerCmd(c, "run", "--name=test", "busybox", "echo", "foobar")
    15  	cleanedContainerID, err := getIDByName("test")
    16  	c.Assert(err, check.IsNil)
    17  
    18  	out, _ := dockerCmd(c, "logs", cleanedContainerID)
    19  	c.Assert(out, checker.Equals, "foobar\n")
    20  
    21  	dockerCmd(c, "restart", cleanedContainerID)
    22  
    23  	out, _ = dockerCmd(c, "logs", cleanedContainerID)
    24  	c.Assert(out, checker.Equals, "foobar\nfoobar\n")
    25  }
    26  
    27  func (s *DockerSuite) TestRestartRunningContainer(c *check.C) {
    28  	out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "echo foobar && sleep 30 && echo 'should not print this'")
    29  
    30  	cleanedContainerID := strings.TrimSpace(out)
    31  
    32  	c.Assert(waitRun(cleanedContainerID), checker.IsNil)
    33  
    34  	out, _ = dockerCmd(c, "logs", cleanedContainerID)
    35  	c.Assert(out, checker.Equals, "foobar\n")
    36  
    37  	dockerCmd(c, "restart", "-t", "1", cleanedContainerID)
    38  
    39  	out, _ = dockerCmd(c, "logs", cleanedContainerID)
    40  
    41  	c.Assert(waitRun(cleanedContainerID), checker.IsNil)
    42  
    43  	c.Assert(out, checker.Equals, "foobar\nfoobar\n")
    44  }
    45  
    46  // Test that restarting a container with a volume does not create a new volume on restart. Regression test for #819.
    47  func (s *DockerSuite) TestRestartWithVolumes(c *check.C) {
    48  	prefix, slash := getPrefixAndSlashFromDaemonPlatform()
    49  	out, _ := runSleepingContainer(c, "-d", "-v", prefix+slash+"test")
    50  
    51  	cleanedContainerID := strings.TrimSpace(out)
    52  	out, err := inspectFilter(cleanedContainerID, "len .Mounts")
    53  	c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
    54  	out = strings.Trim(out, " \n\r")
    55  	c.Assert(out, checker.Equals, "1")
    56  
    57  	source, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
    58  	c.Assert(err, checker.IsNil)
    59  
    60  	dockerCmd(c, "restart", cleanedContainerID)
    61  
    62  	out, err = inspectFilter(cleanedContainerID, "len .Mounts")
    63  	c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
    64  	out = strings.Trim(out, " \n\r")
    65  	c.Assert(out, checker.Equals, "1")
    66  
    67  	sourceAfterRestart, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
    68  	c.Assert(err, checker.IsNil)
    69  	c.Assert(source, checker.Equals, sourceAfterRestart)
    70  }
    71  
    72  func (s *DockerSuite) TestRestartPolicyNO(c *check.C) {
    73  	out, _ := dockerCmd(c, "run", "-d", "--restart=no", "busybox", "false")
    74  
    75  	id := strings.TrimSpace(string(out))
    76  	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
    77  	c.Assert(name, checker.Equals, "no")
    78  }
    79  
    80  func (s *DockerSuite) TestRestartPolicyAlways(c *check.C) {
    81  	out, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "false")
    82  
    83  	id := strings.TrimSpace(string(out))
    84  	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
    85  	c.Assert(name, checker.Equals, "always")
    86  
    87  	MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
    88  
    89  	// MaximumRetryCount=0 if the restart policy is always
    90  	c.Assert(MaximumRetryCount, checker.Equals, "0")
    91  }
    92  
    93  func (s *DockerSuite) TestRestartPolicyOnFailure(c *check.C) {
    94  	out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:1", "busybox", "false")
    95  
    96  	id := strings.TrimSpace(string(out))
    97  	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
    98  	c.Assert(name, checker.Equals, "on-failure")
    99  
   100  }
   101  
   102  // a good container with --restart=on-failure:3
   103  // MaximumRetryCount!=0; RestartCount=0
   104  func (s *DockerSuite) TestRestartContainerwithGoodContainer(c *check.C) {
   105  	out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "true")
   106  
   107  	id := strings.TrimSpace(string(out))
   108  	err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 30*time.Second)
   109  	c.Assert(err, checker.IsNil)
   110  
   111  	count := inspectField(c, id, "RestartCount")
   112  	c.Assert(count, checker.Equals, "0")
   113  
   114  	MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
   115  	c.Assert(MaximumRetryCount, checker.Equals, "3")
   116  
   117  }
   118  
   119  func (s *DockerSuite) TestRestartContainerSuccess(c *check.C) {
   120  	testRequires(c, SameHostDaemon)
   121  
   122  	out, _ := runSleepingContainer(c, "-d", "--restart=always")
   123  	id := strings.TrimSpace(out)
   124  	c.Assert(waitRun(id), check.IsNil)
   125  
   126  	pidStr := inspectField(c, id, "State.Pid")
   127  
   128  	pid, err := strconv.Atoi(pidStr)
   129  	c.Assert(err, check.IsNil)
   130  
   131  	p, err := os.FindProcess(pid)
   132  	c.Assert(err, check.IsNil)
   133  	c.Assert(p, check.NotNil)
   134  
   135  	err = p.Kill()
   136  	c.Assert(err, check.IsNil)
   137  
   138  	err = waitInspect(id, "{{.RestartCount}}", "1", 30*time.Second)
   139  	c.Assert(err, check.IsNil)
   140  
   141  	err = waitInspect(id, "{{.State.Status}}", "running", 30*time.Second)
   142  	c.Assert(err, check.IsNil)
   143  }
   144  
   145  func (s *DockerSuite) TestRestartWithPolicyUserDefinedNetwork(c *check.C) {
   146  	// TODO Windows. This may be portable following HNS integration post TP5.
   147  	testRequires(c, DaemonIsLinux, SameHostDaemon, NotUserNamespace, NotArm)
   148  	dockerCmd(c, "network", "create", "-d", "bridge", "udNet")
   149  
   150  	dockerCmd(c, "run", "-d", "--net=udNet", "--name=first", "busybox", "top")
   151  	c.Assert(waitRun("first"), check.IsNil)
   152  
   153  	dockerCmd(c, "run", "-d", "--restart=always", "--net=udNet", "--name=second",
   154  		"--link=first:foo", "busybox", "top")
   155  	c.Assert(waitRun("second"), check.IsNil)
   156  
   157  	// ping to first and its alias foo must succeed
   158  	_, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
   159  	c.Assert(err, check.IsNil)
   160  	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
   161  	c.Assert(err, check.IsNil)
   162  
   163  	// Now kill the second container and let the restart policy kick in
   164  	pidStr := inspectField(c, "second", "State.Pid")
   165  
   166  	pid, err := strconv.Atoi(pidStr)
   167  	c.Assert(err, check.IsNil)
   168  
   169  	p, err := os.FindProcess(pid)
   170  	c.Assert(err, check.IsNil)
   171  	c.Assert(p, check.NotNil)
   172  
   173  	err = p.Kill()
   174  	c.Assert(err, check.IsNil)
   175  
   176  	err = waitInspect("second", "{{.RestartCount}}", "1", 5*time.Second)
   177  	c.Assert(err, check.IsNil)
   178  
   179  	err = waitInspect("second", "{{.State.Status}}", "running", 5*time.Second)
   180  
   181  	// ping to first and its alias foo must still succeed
   182  	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
   183  	c.Assert(err, check.IsNil)
   184  	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
   185  	c.Assert(err, check.IsNil)
   186  }