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Copy pathdocker_cli_restart_test.go
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docker_cli_restart_test.go
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package main
import (
"os"
"strconv"
"strings"
"time"
"github.com/docker/docker/integration-cli/checker"
"github.com/go-check/check"
)
func (s *DockerSuite) TestRestartStoppedContainer(c *check.C) {
dockerCmd(c, "run", "--name=test", "busybox", "echo", "foobar")
cleanedContainerID := getIDByName(c, "test")
out, _ := dockerCmd(c, "logs", cleanedContainerID)
c.Assert(out, checker.Equals, "foobar\n")
dockerCmd(c, "restart", cleanedContainerID)
// Wait until the container has stopped
err := waitInspect(cleanedContainerID, "{{.State.Running}}", "false", 20*time.Second)
c.Assert(err, checker.IsNil)
out, _ = dockerCmd(c, "logs", cleanedContainerID)
c.Assert(out, checker.Equals, "foobar\nfoobar\n")
}
func (s *DockerSuite) TestRestartRunningContainer(c *check.C) {
out, _ := dockerCmd(c, "run", "-d", "busybox", "sh", "-c", "echo foobar && sleep 30 && echo 'should not print this'")
cleanedContainerID := strings.TrimSpace(out)
c.Assert(waitRun(cleanedContainerID), checker.IsNil)
getLogs := func(c *check.C) (interface{}, check.CommentInterface) {
out, _ := dockerCmd(c, "logs", cleanedContainerID)
return out, nil
}
// Wait 10 seconds for the 'echo' to appear in the logs
waitAndAssert(c, 10*time.Second, getLogs, checker.Equals, "foobar\n")
dockerCmd(c, "restart", "-t", "1", cleanedContainerID)
c.Assert(waitRun(cleanedContainerID), checker.IsNil)
// Wait 10 seconds for first 'echo' appear (again) in the logs
waitAndAssert(c, 10*time.Second, getLogs, checker.Equals, "foobar\nfoobar\n")
}
// Test that restarting a container with a volume does not create a new volume on restart. Regression test for #819.
func (s *DockerSuite) TestRestartWithVolumes(c *check.C) {
prefix, slash := getPrefixAndSlashFromDaemonPlatform()
out, _ := runSleepingContainer(c, "-d", "-v", prefix+slash+"test")
cleanedContainerID := strings.TrimSpace(out)
out, err := inspectFilter(cleanedContainerID, "len .Mounts")
c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
out = strings.Trim(out, " \n\r")
c.Assert(out, checker.Equals, "1")
source, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
c.Assert(err, checker.IsNil)
dockerCmd(c, "restart", cleanedContainerID)
out, err = inspectFilter(cleanedContainerID, "len .Mounts")
c.Assert(err, check.IsNil, check.Commentf("failed to inspect %s: %s", cleanedContainerID, out))
out = strings.Trim(out, " \n\r")
c.Assert(out, checker.Equals, "1")
sourceAfterRestart, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
c.Assert(err, checker.IsNil)
c.Assert(source, checker.Equals, sourceAfterRestart)
}
func (s *DockerSuite) TestRestartPolicyNO(c *check.C) {
out, _ := dockerCmd(c, "create", "--restart=no", "busybox")
id := strings.TrimSpace(string(out))
name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
c.Assert(name, checker.Equals, "no")
}
func (s *DockerSuite) TestRestartPolicyAlways(c *check.C) {
out, _ := dockerCmd(c, "create", "--restart=always", "busybox")
id := strings.TrimSpace(string(out))
name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
c.Assert(name, checker.Equals, "always")
MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
// MaximumRetryCount=0 if the restart policy is always
c.Assert(MaximumRetryCount, checker.Equals, "0")
}
func (s *DockerSuite) TestRestartPolicyOnFailure(c *check.C) {
out, _, err := dockerCmdWithError("create", "--restart=on-failure:-1", "busybox")
c.Assert(err, check.NotNil, check.Commentf(out))
c.Assert(out, checker.Contains, "maximum retry count cannot be negative")
out, _ = dockerCmd(c, "create", "--restart=on-failure:1", "busybox")
id := strings.TrimSpace(string(out))
name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
maxRetry := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
c.Assert(name, checker.Equals, "on-failure")
c.Assert(maxRetry, checker.Equals, "1")
out, _ = dockerCmd(c, "create", "--restart=on-failure:0", "busybox")
id = strings.TrimSpace(string(out))
name = inspectField(c, id, "HostConfig.RestartPolicy.Name")
maxRetry = inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
c.Assert(name, checker.Equals, "on-failure")
c.Assert(maxRetry, checker.Equals, "0")
out, _ = dockerCmd(c, "create", "--restart=on-failure", "busybox")
id = strings.TrimSpace(string(out))
name = inspectField(c, id, "HostConfig.RestartPolicy.Name")
maxRetry = inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
c.Assert(name, checker.Equals, "on-failure")
c.Assert(maxRetry, checker.Equals, "0")
}
// a good container with --restart=on-failure:3
// MaximumRetryCount!=0; RestartCount=0
func (s *DockerSuite) TestRestartContainerwithGoodContainer(c *check.C) {
out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "true")
id := strings.TrimSpace(string(out))
err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 30*time.Second)
c.Assert(err, checker.IsNil)
count := inspectField(c, id, "RestartCount")
c.Assert(count, checker.Equals, "0")
MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
c.Assert(MaximumRetryCount, checker.Equals, "3")
}
func (s *DockerSuite) TestRestartContainerSuccess(c *check.C) {
testRequires(c, SameHostDaemon)
out, _ := runSleepingContainer(c, "-d", "--restart=always")
id := strings.TrimSpace(out)
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)
}
func (s *DockerSuite) TestRestartWithPolicyUserDefinedNetwork(c *check.C) {
// TODO Windows. This may be portable following HNS integration post TP5.
testRequires(c, DaemonIsLinux, SameHostDaemon, NotUserNamespace, NotArm)
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 := inspectField(c, "second", "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("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)
}
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)
}
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))
waitTimeout := 15 * time.Second
if testEnv.DaemonPlatform() == "windows" {
waitTimeout = 150 * time.Second
}
err := waitInspect(id1, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
c.Assert(err, checker.IsNil)
dockerCmd(c, "restart", id1)
dockerCmd(c, "restart", id2)
// Make sure we can stop/start (regression test from a705e166cf3bcca62543150c2b3f9bfeae45ecfa)
dockerCmd(c, "stop", id1)
dockerCmd(c, "stop", id2)
dockerCmd(c, "start", id1)
dockerCmd(c, "start", id2)
// Kill the containers, making sure the are stopped at the end of the test
dockerCmd(c, "kill", id1)
dockerCmd(c, "kill", id2)
err = waitInspect(id1, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
c.Assert(err, checker.IsNil)
err = waitInspect(id2, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
c.Assert(err, checker.IsNil)
}
func (s *DockerSuite) TestRestartAutoRemoveContainer(c *check.C) {
out, _ := runSleepingContainer(c, "--rm")
id := strings.TrimSpace(string(out))
dockerCmd(c, "restart", id)
err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false true", 15*time.Second)
c.Assert(err, checker.IsNil)
out, _ = dockerCmd(c, "ps")
c.Assert(out, checker.Contains, id[:12], check.Commentf("container should be restarted instead of removed: %v", out))
// Kill the container to make sure it will be removed
dockerCmd(c, "kill", id)
}