mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
324 lines
11 KiB
Go
324 lines
11 KiB
Go
package main
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import (
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"os"
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"strconv"
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"strings"
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"testing"
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"time"
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"github.com/docker/docker/integration-cli/checker"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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"gotest.tools/v3/poll"
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)
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func (s *DockerSuite) TestRestartStoppedContainer(c *testing.T) {
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dockerCmd(c, "run", "--name=test", "busybox", "echo", "foobar")
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cleanedContainerID := getIDByName(c, "test")
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out, _ := dockerCmd(c, "logs", cleanedContainerID)
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assert.Equal(c, out, "foobar\n")
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dockerCmd(c, "restart", cleanedContainerID)
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// Wait until the container has stopped
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err := waitInspect(cleanedContainerID, "{{.State.Running}}", "false", 20*time.Second)
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assert.NilError(c, err)
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out, _ = dockerCmd(c, "logs", cleanedContainerID)
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assert.Equal(c, out, "foobar\nfoobar\n")
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}
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func (s *DockerSuite) TestRestartRunningContainer(c *testing.T) {
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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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assert.NilError(c, waitRun(cleanedContainerID))
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getLogs := func(c *testing.T) (interface{}, string) {
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out, _ := dockerCmd(c, "logs", cleanedContainerID)
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return out, ""
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}
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// Wait 10 seconds for the 'echo' to appear in the logs
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poll.WaitOn(c, pollCheck(c, getLogs, checker.Equals("foobar\n")), poll.WithTimeout(10*time.Second))
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dockerCmd(c, "restart", "-t", "1", cleanedContainerID)
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assert.NilError(c, waitRun(cleanedContainerID))
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// Wait 10 seconds for first 'echo' appear (again) in the logs
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poll.WaitOn(c, pollCheck(c, getLogs, checker.Equals("foobar\nfoobar\n")), poll.WithTimeout(10*time.Second))
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}
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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 *testing.T) {
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prefix, slash := getPrefixAndSlashFromDaemonPlatform()
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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")
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assert.NilError(c, err, "failed to inspect %s: %s", cleanedContainerID, out)
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out = strings.Trim(out, " \n\r")
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assert.Equal(c, out, "1")
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source, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
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assert.NilError(c, err)
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dockerCmd(c, "restart", cleanedContainerID)
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out, err = inspectFilter(cleanedContainerID, "len .Mounts")
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assert.NilError(c, err, "failed to inspect %s: %s", cleanedContainerID, out)
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out = strings.Trim(out, " \n\r")
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assert.Equal(c, out, "1")
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sourceAfterRestart, err := inspectMountSourceField(cleanedContainerID, prefix+slash+"test")
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assert.NilError(c, err)
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assert.Equal(c, source, sourceAfterRestart)
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}
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func (s *DockerSuite) TestRestartDisconnectedContainer(c *testing.T) {
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testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon, NotUserNamespace, NotArm)
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// Run a container on the default bridge network
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out, _ := dockerCmd(c, "run", "-d", "--name", "c0", "busybox", "top")
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cleanedContainerID := strings.TrimSpace(out)
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assert.NilError(c, waitRun(cleanedContainerID))
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// Disconnect the container from the network
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out, exitCode := dockerCmd(c, "network", "disconnect", "bridge", "c0")
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assert.Assert(c, exitCode == 0, out)
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// Restart the container
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out, exitCode = dockerCmd(c, "restart", "c0")
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assert.Assert(c, exitCode == 0, out)
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}
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func (s *DockerSuite) TestRestartPolicyNO(c *testing.T) {
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out, _ := dockerCmd(c, "create", "--restart=no", "busybox")
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id := strings.TrimSpace(out)
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name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
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assert.Equal(c, name, "no")
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}
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func (s *DockerSuite) TestRestartPolicyAlways(c *testing.T) {
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out, _ := dockerCmd(c, "create", "--restart=always", "busybox")
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id := strings.TrimSpace(out)
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name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
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assert.Equal(c, name, "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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assert.Equal(c, MaximumRetryCount, "0")
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}
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func (s *DockerSuite) TestRestartPolicyOnFailure(c *testing.T) {
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out, _, err := dockerCmdWithError("create", "--restart=on-failure:-1", "busybox")
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assert.ErrorContains(c, err, "", out)
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assert.Assert(c, strings.Contains(out, "maximum retry count cannot be negative"))
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out, _ = dockerCmd(c, "create", "--restart=on-failure:1", "busybox")
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id := strings.TrimSpace(out)
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name := inspectField(c, id, "HostConfig.RestartPolicy.Name")
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maxRetry := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
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assert.Equal(c, name, "on-failure")
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assert.Equal(c, maxRetry, "1")
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out, _ = dockerCmd(c, "create", "--restart=on-failure:0", "busybox")
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id = strings.TrimSpace(out)
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name = inspectField(c, id, "HostConfig.RestartPolicy.Name")
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maxRetry = inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
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assert.Equal(c, name, "on-failure")
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assert.Equal(c, maxRetry, "0")
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out, _ = dockerCmd(c, "create", "--restart=on-failure", "busybox")
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id = strings.TrimSpace(out)
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name = inspectField(c, id, "HostConfig.RestartPolicy.Name")
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maxRetry = inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
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assert.Equal(c, name, "on-failure")
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assert.Equal(c, maxRetry, "0")
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}
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// a good container with --restart=on-failure:3
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// MaximumRetryCount!=0; RestartCount=0
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func (s *DockerSuite) TestRestartContainerwithGoodContainer(c *testing.T) {
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out, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "true")
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id := strings.TrimSpace(out)
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err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false false", 30*time.Second)
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assert.NilError(c, err)
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count := inspectField(c, id, "RestartCount")
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assert.Equal(c, count, "0")
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MaximumRetryCount := inspectField(c, id, "HostConfig.RestartPolicy.MaximumRetryCount")
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assert.Equal(c, MaximumRetryCount, "3")
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}
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func (s *DockerSuite) TestRestartContainerSuccess(c *testing.T) {
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testRequires(c, testEnv.IsLocalDaemon)
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// Skipped for Hyper-V isolated containers. Test is currently written
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// such that it assumes there is a host process to kill. In Hyper-V
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// containers, the process is inside the utility VM, not on the host.
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if DaemonIsWindows() {
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testRequires(c, testEnv.DaemonInfo.Isolation.IsProcess)
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}
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out := runSleepingContainer(c, "-d", "--restart=always")
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id := strings.TrimSpace(out)
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assert.NilError(c, waitRun(id))
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pidStr := inspectField(c, id, "State.Pid")
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pid, err := strconv.Atoi(pidStr)
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assert.NilError(c, err)
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p, err := os.FindProcess(pid)
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assert.NilError(c, err)
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assert.Assert(c, p != nil)
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err = p.Kill()
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assert.NilError(c, err)
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err = waitInspect(id, "{{.RestartCount}}", "1", 30*time.Second)
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assert.NilError(c, err)
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err = waitInspect(id, "{{.State.Status}}", "running", 30*time.Second)
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assert.NilError(c, err)
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}
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func (s *DockerSuite) TestRestartWithPolicyUserDefinedNetwork(c *testing.T) {
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// TODO Windows. This may be portable following HNS integration post TP5.
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testRequires(c, DaemonIsLinux, testEnv.IsLocalDaemon, NotUserNamespace, NotArm)
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dockerCmd(c, "network", "create", "-d", "bridge", "udNet")
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dockerCmd(c, "run", "-d", "--net=udNet", "--name=first", "busybox", "top")
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assert.NilError(c, waitRun("first"))
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dockerCmd(c, "run", "-d", "--restart=always", "--net=udNet", "--name=second",
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"--link=first:foo", "busybox", "top")
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assert.NilError(c, waitRun("second"))
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// ping to first and its alias foo must succeed
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_, _, err := dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
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assert.NilError(c, err)
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_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
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assert.NilError(c, err)
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// 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)
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assert.NilError(c, err)
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p, err := os.FindProcess(pid)
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assert.NilError(c, err)
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assert.Assert(c, p != nil)
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err = p.Kill()
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assert.NilError(c, err)
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err = waitInspect("second", "{{.RestartCount}}", "1", 5*time.Second)
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assert.NilError(c, err)
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err = waitInspect("second", "{{.State.Status}}", "running", 5*time.Second)
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assert.NilError(c, err)
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// ping to first and its alias foo must still succeed
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_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "first")
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assert.NilError(c, err)
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_, _, err = dockerCmdWithError("exec", "second", "ping", "-c", "1", "foo")
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assert.NilError(c, err)
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}
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func (s *DockerSuite) TestRestartPolicyAfterRestart(c *testing.T) {
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testRequires(c, testEnv.IsLocalDaemon)
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// Skipped for Hyper-V isolated containers. Test is currently written
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// such that it assumes there is a host process to kill. In Hyper-V
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// containers, the process is inside the utility VM, not on the host.
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if DaemonIsWindows() {
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testRequires(c, testEnv.DaemonInfo.Isolation.IsProcess)
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}
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out := runSleepingContainer(c, "-d", "--restart=always")
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id := strings.TrimSpace(out)
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assert.NilError(c, waitRun(id))
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dockerCmd(c, "restart", id)
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assert.NilError(c, waitRun(id))
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pidStr := inspectField(c, id, "State.Pid")
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pid, err := strconv.Atoi(pidStr)
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assert.NilError(c, err)
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p, err := os.FindProcess(pid)
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assert.NilError(c, err)
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assert.Assert(c, p != nil)
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err = p.Kill()
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assert.NilError(c, err)
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err = waitInspect(id, "{{.RestartCount}}", "1", 30*time.Second)
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assert.NilError(c, err)
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err = waitInspect(id, "{{.State.Status}}", "running", 30*time.Second)
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assert.NilError(c, err)
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}
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func (s *DockerSuite) TestRestartContainerwithRestartPolicy(c *testing.T) {
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out1, _ := dockerCmd(c, "run", "-d", "--restart=on-failure:3", "busybox", "false")
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out2, _ := dockerCmd(c, "run", "-d", "--restart=always", "busybox", "false")
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id1 := strings.TrimSpace(out1)
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id2 := strings.TrimSpace(out2)
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waitTimeout := 15 * time.Second
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if testEnv.OSType == "windows" {
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waitTimeout = 150 * time.Second
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}
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err := waitInspect(id1, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
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assert.NilError(c, err)
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dockerCmd(c, "restart", id1)
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dockerCmd(c, "restart", id2)
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// Make sure we can stop/start (regression test from a705e166cf3bcca62543150c2b3f9bfeae45ecfa)
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dockerCmd(c, "stop", id1)
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dockerCmd(c, "stop", id2)
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dockerCmd(c, "start", id1)
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dockerCmd(c, "start", id2)
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// Kill the containers, making sure they are stopped at the end of the test
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dockerCmd(c, "kill", id1)
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dockerCmd(c, "kill", id2)
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err = waitInspect(id1, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
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assert.NilError(c, err)
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err = waitInspect(id2, "{{ .State.Restarting }} {{ .State.Running }}", "false false", waitTimeout)
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assert.NilError(c, err)
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}
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func (s *DockerSuite) TestRestartAutoRemoveContainer(c *testing.T) {
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out := runSleepingContainer(c, "--rm")
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id := strings.TrimSpace(out)
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dockerCmd(c, "restart", id)
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err := waitInspect(id, "{{ .State.Restarting }} {{ .State.Running }}", "false true", 15*time.Second)
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assert.NilError(c, err)
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out, _ = dockerCmd(c, "ps")
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assert.Assert(c, is.Contains(out, id[:12]), "container should be restarted instead of removed: %v", out)
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// Kill the container to make sure it will be removed
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dockerCmd(c, "kill", id)
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}
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