github.com/flavio/docker@v0.1.3-0.20170117145210-f63d1a6eec47/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/integration-cli/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  	getLogs := func(c *check.C) (interface{}, check.CommentInterface) {
    39  		out, _ := dockerCmd(c, "logs", cleanedContainerID)
    40  		return out, nil
    41  	}
    42  
    43  	// Wait 10 seconds for the 'echo' to appear in the logs
    44  	waitAndAssert(c, 10*time.Second, getLogs, checker.Equals, "foobar\n")
    45  
    46  	dockerCmd(c, "restart", "-t", "1", cleanedContainerID)
    47  	c.Assert(waitRun(cleanedContainerID), checker.IsNil)
    48  
    49  	// Wait 10 seconds for first 'echo' appear (again) in the logs
    50  	waitAndAssert(c, 10*time.Second, getLogs, checker.Equals, "foobar\nfoobar\n")
    51  }
    52  
    53  // Test that restarting a container with a volume does not create a new volume on restart. Regression test for #819.
    54  func (s *DockerSuite) TestRestartWithVolumes(c *check.C) {
    55  	prefix, slash := getPrefixAndSlashFromDaemonPlatform()
    56  	out, _ := runSleepingContainer(c, "-d", "-v", prefix+slash+"test")
    57  
    58  	cleanedContainerID := strings.TrimSpace(out)
    59  	out, err := inspectFilter(cleanedContainerID, "len .Mounts")
    60  	c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
    61  	out = strings.Trim(out, " \n\r")
    62  	c.Assert(out, checker.Equals, "1")
    63  
    64  	source, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
    65  	c.Assert(err, checker.IsNil)
    66  
    67  	dockerCmd(c, "restart", cleanedContainerID)
    68  
    69  	out, err = inspectFilter(cleanedContainerID, "len .Mounts")
    70  	c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
    71  	out = strings.Trim(out, " \n\r")
    72  	c.Assert(out, checker.Equals, "1")
    73  
    74  	sourceAfterRestart, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
    75  	c.Assert(err, checker.IsNil)
    76  	c.Assert(source, checker.Equals, sourceAfterRestart)
    77  }
    78  
    79  func (s *DockerSuite) TestRestartPolicyNO(c *check.C) {
    80  	out, _ := dockerCmd(c, "create", "--restart=no", "busybox")
    81  
    82  	id := strings.TrimSpace(string(out))
    83  	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
    84  	c.Assert(name, checker.Equals, "no")
    85  }
    86  
    87  func (s *DockerSuite) TestRestartPolicyAlways(c *check.C) {
    88  	out, _ := dockerCmd(c, "create", "--restart=always", "busybox")
    89  
    90  	id := strings.TrimSpace(string(out))
    91  	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
    92  	c.Assert(name, checker.Equals, "always")
    93  
    94  	MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
    95  
    96  	// MaximumRetryCount=0 if the restart policy is always
    97  	c.Assert(MaximumRetryCount, checker.Equals, "0")
    98  }
    99  
   100  func (s *DockerSuite) TestRestartPolicyOnFailure(c *check.C) {
   101  	out, _, err := dockerCmdWithError("create", "--restart=on-failure:-1", "busybox")
   102  	c.Assert(err, check.NotNil, check.Commentf(out))
   103  	c.Assert(out, checker.Contains, "maximum retry count cannot be negative")
   104  
   105  	out, _ = dockerCmd(c, "create", "--restart=on-failure:1", "busybox")
   106  
   107  	id := strings.TrimSpace(string(out))
   108  	name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
   109  	maxRetry := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
   110  
   111  	c.Assert(name, checker.Equals, "on-failure")
   112  	c.Assert(maxRetry, checker.Equals, "1")
   113  
   114  	out, _ = dockerCmd(c, "create", "--restart=on-failure:0", "busybox")
   115  
   116  	id = strings.TrimSpace(string(out))
   117  	name = inspectField(c, id, "HostConfig.RestartPolicy.Name")
   118  	maxRetry = inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
   119  
   120  	c.Assert(name, checker.Equals, "on-failure")
   121  	c.Assert(maxRetry, checker.Equals, "0")
   122  
   123  	out, _ = dockerCmd(c, "create", "--restart=on-failure", "busybox")
   124  
   125  	id = strings.TrimSpace(string(out))
   126  	name = inspectField(c, id, "HostConfig.RestartPolicy.Name")
   127  	maxRetry = inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
   128  
   129  	c.Assert(name, checker.Equals, "on-failure")
   130  	c.Assert(maxRetry, checker.Equals, "0")
   131  }
   132  
   133  // a good container with --restart=on-failure:3
   134  // MaximumRetryCount!=0; RestartCount=0
   135  func (s *DockerSuite) TestRestartContainerwithGoodContainer(c *check.C) {
   136  	out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "true")
   137  
   138  	id := strings.TrimSpace(string(out))
   139  	err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 30*time.Second)
   140  	c.Assert(err, checker.IsNil)
   141  
   142  	count := inspectField(c, id, "RestartCount")
   143  	c.Assert(count, checker.Equals, "0")
   144  
   145  	MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
   146  	c.Assert(MaximumRetryCount, checker.Equals, "3")
   147  
   148  }
   149  
   150  func (s *DockerSuite) TestRestartContainerSuccess(c *check.C) {
   151  	testRequires(c, SameHostDaemon)
   152  
   153  	out, _ := runSleepingContainer(c, "-d", "--restart=always")
   154  	id := strings.TrimSpace(out)
   155  	c.Assert(waitRun(id), check.IsNil)
   156  
   157  	pidStr := inspectField(c, id, "State.Pid")
   158  
   159  	pid, err := strconv.Atoi(pidStr)
   160  	c.Assert(err, check.IsNil)
   161  
   162  	p, err := os.FindProcess(pid)
   163  	c.Assert(err, check.IsNil)
   164  	c.Assert(p, check.NotNil)
   165  
   166  	err = p.Kill()
   167  	c.Assert(err, check.IsNil)
   168  
   169  	err = waitInspect(id, "{{.RestartCount}}", "1", 30*time.Second)
   170  	c.Assert(err, check.IsNil)
   171  
   172  	err = waitInspect(id, "{{.State.Status}}", "running", 30*time.Second)
   173  	c.Assert(err, check.IsNil)
   174  }
   175  
   176  func (s *DockerSuite) TestRestartWithPolicyUserDefinedNetwork(c *check.C) {
   177  	// TODO Windows. This may be portable following HNS integration post TP5.
   178  	testRequires(c, DaemonIsLinux, SameHostDaemon, NotUserNamespace, NotArm)
   179  	dockerCmd(c, "network", "create", "-d", "bridge", "udNet")
   180  
   181  	dockerCmd(c, "run", "-d", "--net=udNet", "--name=first", "busybox", "top")
   182  	c.Assert(waitRun("first"), check.IsNil)
   183  
   184  	dockerCmd(c, "run", "-d", "--restart=always", "--net=udNet", "--name=second",
   185  		"--link=first:foo", "busybox", "top")
   186  	c.Assert(waitRun("second"), check.IsNil)
   187  
   188  	// ping to first and its alias foo must succeed
   189  	_, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
   190  	c.Assert(err, check.IsNil)
   191  	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
   192  	c.Assert(err, check.IsNil)
   193  
   194  	// Now kill the second container and let the restart policy kick in
   195  	pidStr := inspectField(c, "second", "State.Pid")
   196  
   197  	pid, err := strconv.Atoi(pidStr)
   198  	c.Assert(err, check.IsNil)
   199  
   200  	p, err := os.FindProcess(pid)
   201  	c.Assert(err, check.IsNil)
   202  	c.Assert(p, check.NotNil)
   203  
   204  	err = p.Kill()
   205  	c.Assert(err, check.IsNil)
   206  
   207  	err = waitInspect("second", "{{.RestartCount}}", "1", 5*time.Second)
   208  	c.Assert(err, check.IsNil)
   209  
   210  	err = waitInspect("second", "{{.State.Status}}", "running", 5*time.Second)
   211  
   212  	// ping to first and its alias foo must still succeed
   213  	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
   214  	c.Assert(err, check.IsNil)
   215  	_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
   216  	c.Assert(err, check.IsNil)
   217  }
   218  
   219  func (s *DockerSuite) TestRestartPolicyAfterRestart(c *check.C) {
   220  	testRequires(c, SameHostDaemon)
   221  
   222  	out, _ := runSleepingContainer(c, "-d", "--restart=always")
   223  	id := strings.TrimSpace(out)
   224  	c.Assert(waitRun(id), check.IsNil)
   225  
   226  	dockerCmd(c, "restart", id)
   227  
   228  	c.Assert(waitRun(id), check.IsNil)
   229  
   230  	pidStr := inspectField(c, id, "State.Pid")
   231  
   232  	pid, err := strconv.Atoi(pidStr)
   233  	c.Assert(err, check.IsNil)
   234  
   235  	p, err := os.FindProcess(pid)
   236  	c.Assert(err, check.IsNil)
   237  	c.Assert(p, check.NotNil)
   238  
   239  	err = p.Kill()
   240  	c.Assert(err, check.IsNil)
   241  
   242  	err = waitInspect(id, "{{.RestartCount}}", "1", 30*time.Second)
   243  	c.Assert(err, check.IsNil)
   244  
   245  	err = waitInspect(id, "{{.State.Status}}", "running", 30*time.Second)
   246  	c.Assert(err, check.IsNil)
   247  }
   248  
   249  func (s *DockerSuite) TestRestartContainerwithRestartPolicy(c *check.C) {
   250  	out1, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "false")
   251  	out2, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "false")
   252  
   253  	id1 := strings.TrimSpace(string(out1))
   254  	id2 := strings.TrimSpace(string(out2))
   255  	waitTimeout := 15 * time.Second
   256  	if testEnv.DaemonPlatform() == "windows" {
   257  		waitTimeout = 150 * time.Second
   258  	}
   259  	err := waitInspect(id1, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
   260  	c.Assert(err, checker.IsNil)
   261  
   262  	dockerCmd(c, "restart", id1)
   263  	dockerCmd(c, "restart", id2)
   264  
   265  	// Make sure we can stop/start (regression test from a705e166cf3bcca62543150c2b3f9bfeae45ecfa)
   266  	dockerCmd(c, "stop", id1)
   267  	dockerCmd(c, "stop", id2)
   268  	dockerCmd(c, "start", id1)
   269  	dockerCmd(c, "start", id2)
   270  
   271  	// Kill the containers, making sure the are stopped at the end of the test
   272  	dockerCmd(c, "kill", id1)
   273  	dockerCmd(c, "kill", id2)
   274  	err = waitInspect(id1, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
   275  	c.Assert(err, checker.IsNil)
   276  	err = waitInspect(id2, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
   277  	c.Assert(err, checker.IsNil)
   278  }
   279  
   280  func (s *DockerSuite) TestRestartAutoRemoveContainer(c *check.C) {
   281  	out, _ := runSleepingContainer(c, "--rm")
   282  
   283  	id := strings.TrimSpace(string(out))
   284  	dockerCmd(c, "restart", id)
   285  	err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false true", 15*time.Second)
   286  	c.Assert(err, checker.IsNil)
   287  
   288  	out, _ = dockerCmd(c, "ps")
   289  	c.Assert(out, checker.Contains, id[:12], check.Commentf("container should be restarted instead of removed: %v", out))
   290  
   291  	// Kill the container to make sure it will be removed
   292  	dockerCmd(c, "kill", id)
   293  }