github.com/akerouanton/docker@v1.11.0-rc3/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  	// Wait until the container has stopped
    24  	err = waitInspect(cleanedContainerID, "{{.State.Running}}", "false", 20*time.Second)
    25  	c.Assert(err, checker.IsNil)
    26  
    27  	out, _ = dockerCmd(c, "logs", cleanedContainerID)
    28  	c.Assert(out, checker.Equals, "foobar\nfoobar\n")
    29  }
    30  
    31  func (s *DockerSuite) TestRestartRunningContainer(c *check.C) {
    32  	out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "echo foobar && sleep 30 && echo 'should not print this'")
    33  
    34  	cleanedContainerID := strings.TrimSpace(out)
    35  
    36  	c.Assert(waitRun(cleanedContainerID), checker.IsNil)
    37  
    38  	out, _ = dockerCmd(c, "logs", cleanedContainerID)
    39  	c.Assert(out, checker.Equals, "foobar\n")
    40  
    41  	dockerCmd(c, "restart", "-t", "1", cleanedContainerID)
    42  
    43  	out, _ = dockerCmd(c, "logs", cleanedContainerID)
    44  
    45  	c.Assert(waitRun(cleanedContainerID), checker.IsNil)
    46  
    47  	c.Assert(out, checker.Equals, "foobar\nfoobar\n")
    48  }
    49  
    50  // Test that restarting a container with a volume does not create a new volume on restart. Regression test for #819.
    51  func (s *DockerSuite) TestRestartWithVolumes(c *check.C) {
    52  	prefix, slash := getPrefixAndSlashFromDaemonPlatform()
    53  	out, _ := runSleepingContainer(c, "-d", "-v", prefix+slash+"test")
    54  
    55  	cleanedContainerID := strings.TrimSpace(out)
    56  	out, err := inspectFilter(cleanedContainerID, "len .Mounts")
    57  	c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
    58  	out = strings.Trim(out, " \n\r")
    59  	c.Assert(out, checker.Equals, "1")
    60  
    61  	source, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
    62  	c.Assert(err, checker.IsNil)
    63  
    64  	dockerCmd(c, "restart", cleanedContainerID)
    65  
    66  	out, err = inspectFilter(cleanedContainerID, "len .Mounts")
    67  	c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
    68  	out = strings.Trim(out, " \n\r")
    69  	c.Assert(out, checker.Equals, "1")
    70  
    71  	sourceAfterRestart, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
    72  	c.Assert(err, checker.IsNil)
    73  	c.Assert(source, checker.Equals, sourceAfterRestart)
    74  }
    75  
    76  func (s *DockerSuite) TestRestartPolicyNO(c *check.C) {
    77  	out, _ := dockerCmd(c, "run", "-d", "--restart=no", "busybox", "false")
    78  
    79  	id := strings.TrimSpace(string(out))
    80  	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
    81  	c.Assert(name, checker.Equals, "no")
    82  }
    83  
    84  func (s *DockerSuite) TestRestartPolicyAlways(c *check.C) {
    85  	out, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "false")
    86  
    87  	id := strings.TrimSpace(string(out))
    88  	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
    89  	c.Assert(name, checker.Equals, "always")
    90  
    91  	MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
    92  
    93  	// MaximumRetryCount=0 if the restart policy is always
    94  	c.Assert(MaximumRetryCount, checker.Equals, "0")
    95  }
    96  
    97  func (s *DockerSuite) TestRestartPolicyOnFailure(c *check.C) {
    98  	out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:1", "busybox", "false")
    99  
   100  	id := strings.TrimSpace(string(out))
   101  	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
   102  	c.Assert(name, checker.Equals, "on-failure")
   103  
   104  }
   105  
   106  // a good container with --restart=on-failure:3
   107  // MaximumRetryCount!=0; RestartCount=0
   108  func (s *DockerSuite) TestRestartContainerwithGoodContainer(c *check.C) {
   109  	out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "true")
   110  
   111  	id := strings.TrimSpace(string(out))
   112  	err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 30*time.Second)
   113  	c.Assert(err, checker.IsNil)
   114  
   115  	count := inspectField(c, id, "RestartCount")
   116  	c.Assert(count, checker.Equals, "0")
   117  
   118  	MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
   119  	c.Assert(MaximumRetryCount, checker.Equals, "3")
   120  
   121  }
   122  
   123  func (s *DockerSuite) TestRestartContainerSuccess(c *check.C) {
   124  	testRequires(c, SameHostDaemon)
   125  
   126  	out, _ := runSleepingContainer(c, "-d", "--restart=always")
   127  	id := strings.TrimSpace(out)
   128  	c.Assert(waitRun(id), check.IsNil)
   129  
   130  	pidStr := inspectField(c, id, "State.Pid")
   131  
   132  	pid, err := strconv.Atoi(pidStr)
   133  	c.Assert(err, check.IsNil)
   134  
   135  	p, err := os.FindProcess(pid)
   136  	c.Assert(err, check.IsNil)
   137  	c.Assert(p, check.NotNil)
   138  
   139  	err = p.Kill()
   140  	c.Assert(err, check.IsNil)
   141  
   142  	err = waitInspect(id, "{{.RestartCount}}", "1", 30*time.Second)
   143  	c.Assert(err, check.IsNil)
   144  
   145  	err = waitInspect(id, "{{.State.Status}}", "running", 30*time.Second)
   146  	c.Assert(err, check.IsNil)
   147  }
   148  
   149  func (s *DockerSuite) TestRestartWithPolicyUserDefinedNetwork(c *check.C) {
   150  	// TODO Windows. This may be portable following HNS integration post TP5.
   151  	testRequires(c, DaemonIsLinux, SameHostDaemon, NotUserNamespace, NotArm)
   152  	dockerCmd(c, "network", "create", "-d", "bridge", "udNet")
   153  
   154  	dockerCmd(c, "run", "-d", "--net=udNet", "--name=first", "busybox", "top")
   155  	c.Assert(waitRun("first"), check.IsNil)
   156  
   157  	dockerCmd(c, "run", "-d", "--restart=always", "--net=udNet", "--name=second",
   158  		"--link=first:foo", "busybox", "top")
   159  	c.Assert(waitRun("second"), check.IsNil)
   160  
   161  	// ping to first and its alias foo must succeed
   162  	_, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
   163  	c.Assert(err, check.IsNil)
   164  	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
   165  	c.Assert(err, check.IsNil)
   166  
   167  	// Now kill the second container and let the restart policy kick in
   168  	pidStr := inspectField(c, "second", "State.Pid")
   169  
   170  	pid, err := strconv.Atoi(pidStr)
   171  	c.Assert(err, check.IsNil)
   172  
   173  	p, err := os.FindProcess(pid)
   174  	c.Assert(err, check.IsNil)
   175  	c.Assert(p, check.NotNil)
   176  
   177  	err = p.Kill()
   178  	c.Assert(err, check.IsNil)
   179  
   180  	err = waitInspect("second", "{{.RestartCount}}", "1", 5*time.Second)
   181  	c.Assert(err, check.IsNil)
   182  
   183  	err = waitInspect("second", "{{.State.Status}}", "running", 5*time.Second)
   184  
   185  	// ping to first and its alias foo must still succeed
   186  	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
   187  	c.Assert(err, check.IsNil)
   188  	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
   189  	c.Assert(err, check.IsNil)
   190  }