mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
Add plugin restore tests.
Also live restore is stable now. So move experimental tests out to stable. Signed-off-by: Anusha Ragunathan <anusha@docker.com>
This commit is contained in:
Anusha Ragunathan
parent
b2da02dc7e
commit
006d58d7e6
2 changed files with 189 additions and 138 deletions
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@ -1,155 +1,54 @@
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// +build daemon,!windows,experimental
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// +build linux, experimental
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package main
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import (
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"io/ioutil"
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"os"
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"os/exec"
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"strings"
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"time"
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"github.com/docker/docker/pkg/integration/checker"
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"github.com/go-check/check"
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)
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// TestDaemonRestartWithKilledRunningContainer requires live restore of running containers
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func (s *DockerDaemonSuite) TestDaemonRestartWithKilledRunningContainer(t *check.C) {
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// TODO(mlaventure): Not sure what would the exit code be on windows
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testRequires(t, DaemonIsLinux)
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if err := s.d.StartWithBusybox(); err != nil {
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t.Fatal(err)
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}
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var pluginName = "tiborvass/no-remove"
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cid, err := s.d.Cmd("run", "-d", "--name", "test", "busybox", "top")
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defer s.d.Stop()
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if err != nil {
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t.Fatal(cid, err)
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}
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cid = strings.TrimSpace(cid)
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// Kill the daemon
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if err := s.d.Kill(); err != nil {
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t.Fatal(err)
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}
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// kill the container
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runCmd := exec.Command(ctrBinary, "--address", "unix:///var/run/docker/libcontainerd/docker-containerd.sock", "containers", "kill", cid)
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if out, ec, err := runCommandWithOutput(runCmd); err != nil {
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t.Fatalf("Failed to run ctr, ExitCode: %d, err: '%v' output: '%s' cid: '%s'\n", ec, err, out, cid)
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}
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// Give time to containerd to process the command if we don't
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// the exit event might be received after we do the inspect
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time.Sleep(3 * time.Second)
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// restart the daemon
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// TestDaemonRestartWithPluginEnabled tests state restore for an enabled plugin
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func (s *DockerDaemonSuite) TestDaemonRestartWithPluginEnabled(c *check.C) {
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if err := s.d.Start(); err != nil {
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t.Fatal(err)
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c.Fatalf("Could not start daemon: %v", err)
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}
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// Check that we've got the correct exit code
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out, err := s.d.Cmd("inspect", "-f", "{{.State.ExitCode}}", cid)
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t.Assert(err, check.IsNil)
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out = strings.TrimSpace(out)
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if out != "143" {
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t.Fatalf("Expected exit code '%s' got '%s' for container '%s'\n", "143", out, cid)
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if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pluginName); err != nil {
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c.Fatalf("Could not install plugin: %v %s", err, out)
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}
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}
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// os.Kill should kill daemon ungracefully, leaving behind live containers.
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// The live containers should be known to the restarted daemon. Stopping
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// them now, should remove the mounts.
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func (s *DockerDaemonSuite) TestCleanupMountsAfterDaemonCrash(c *check.C) {
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testRequires(c, DaemonIsLinux)
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c.Assert(s.d.StartWithBusybox("--live-restore"), check.IsNil)
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out, err := s.d.Cmd("run", "-d", "busybox", "top")
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c.Assert(err, check.IsNil, check.Commentf("Output: %s", out))
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id := strings.TrimSpace(out)
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c.Assert(s.d.cmd.Process.Signal(os.Kill), check.IsNil)
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mountOut, err := ioutil.ReadFile("/proc/self/mountinfo")
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c.Assert(err, check.IsNil, check.Commentf("Output: %s", mountOut))
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// container mounts should exist even after daemon has crashed.
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comment := check.Commentf("%s should stay mounted from older daemon start:\nDaemon root repository %s\n%s", id, s.d.folder, mountOut)
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c.Assert(strings.Contains(string(mountOut), id), check.Equals, true, comment)
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// restart daemon.
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if err := s.d.Restart("--live-restore"); err != nil {
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c.Fatal(err)
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if err := s.d.Restart(); err != nil {
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c.Fatalf("Could not restart daemon: %v", err)
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}
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// container should be running.
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out, err = s.d.Cmd("inspect", "--format='{{.State.Running}}'", id)
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c.Assert(err, check.IsNil, check.Commentf("Output: %s", out))
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out = strings.TrimSpace(out)
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if out != "true" {
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c.Fatalf("Container %s expected to stay alive after daemon restart", id)
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}
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// 'docker stop' should work.
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out, err = s.d.Cmd("stop", id)
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c.Assert(err, check.IsNil, check.Commentf("Output: %s", out))
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// Now, container mounts should be gone.
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mountOut, err = ioutil.ReadFile("/proc/self/mountinfo")
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c.Assert(err, check.IsNil, check.Commentf("Output: %s", mountOut))
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comment = check.Commentf("%s is still mounted from older daemon start:\nDaemon root repository %s\n%s", id, s.d.folder, mountOut)
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c.Assert(strings.Contains(string(mountOut), id), check.Equals, false, comment)
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}
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// TestDaemonRestartWithUnpausedRunningContainer requires live restore of running containers.
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func (s *DockerDaemonSuite) TestDaemonRestartWithUnpausedRunningContainer(t *check.C) {
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// TODO(mlaventure): Not sure what would the exit code be on windows
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testRequires(t, DaemonIsLinux)
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if err := s.d.StartWithBusybox("--live-restore"); err != nil {
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t.Fatal(err)
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}
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cid, err := s.d.Cmd("run", "-d", "--name", "test", "busybox", "top")
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defer s.d.Stop()
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out, err := s.d.Cmd("plugin", "ls")
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if err != nil {
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t.Fatal(cid, err)
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}
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cid = strings.TrimSpace(cid)
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// pause the container
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if _, err := s.d.Cmd("pause", cid); err != nil {
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t.Fatal(cid, err)
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}
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// Kill the daemon
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if err := s.d.Kill(); err != nil {
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t.Fatal(err)
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}
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// resume the container
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runCmd := exec.Command(ctrBinary, "--address", "unix:///var/run/docker/libcontainerd/docker-containerd.sock", "containers", "resume", cid)
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if out, ec, err := runCommandWithOutput(runCmd); err != nil {
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t.Fatalf("Failed to run ctr, ExitCode: %d, err: '%v' output: '%s' cid: '%s'\n", ec, err, out, cid)
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}
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// Give time to containerd to process the command if we don't
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// the resume event might be received after we do the inspect
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time.Sleep(3 * time.Second)
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// restart the daemon
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if err := s.d.Start("--live-restore"); err != nil {
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t.Fatal(err)
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}
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// Check that we've got the correct status
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out, err := s.d.Cmd("inspect", "-f", "{{.State.Status}}", cid)
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t.Assert(err, check.IsNil)
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out = strings.TrimSpace(out)
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if out != "running" {
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t.Fatalf("Expected exit code '%s' got '%s' for container '%s'\n", "running", out, cid)
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}
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if _, err := s.d.Cmd("kill", cid); err != nil {
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t.Fatal(err)
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c.Fatalf("Could not list plugins: %v %s", err, out)
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}
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c.Assert(out, checker.Contains, pluginName)
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c.Assert(out, checker.Contains, "true")
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}
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// TestDaemonRestartWithPluginEnabled tests state restore for a disabled plugin
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func (s *DockerDaemonSuite) TestDaemonRestartWithPluginDisabled(c *check.C) {
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if err := s.d.Start(); err != nil {
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c.Fatalf("Could not start daemon: %v", err)
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}
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if out, err := s.d.Cmd("plugin", "install", "--grant-all-permissions", pluginName, "--disable"); err != nil {
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c.Fatalf("Could not install plugin: %v %s", err, out)
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}
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if err := s.d.Restart(); err != nil {
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c.Fatalf("Could not restart daemon: %v", err)
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}
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out, err := s.d.Cmd("plugin", "ls")
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if err != nil {
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c.Fatalf("Could not list plugins: %v %s", err, out)
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}
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c.Assert(out, checker.Contains, pluginName)
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c.Assert(out, checker.Contains, "false")
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}
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@ -1,4 +1,4 @@
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// +build !windows
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// +build linux
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package main
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@ -2091,6 +2091,158 @@ func (s *DockerDaemonSuite) TestDaemonRestartWithNames(c *check.C) {
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c.Assert(test3validated, check.Equals, true)
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}
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// TestDaemonRestartWithKilledRunningContainer requires live restore of running containers
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func (s *DockerDaemonSuite) TestDaemonRestartWithKilledRunningContainer(t *check.C) {
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// TODO(mlaventure): Not sure what would the exit code be on windows
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testRequires(t, DaemonIsLinux)
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if err := s.d.StartWithBusybox(); err != nil {
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t.Fatal(err)
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}
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cid, err := s.d.Cmd("run", "-d", "--name", "test", "busybox", "top")
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defer s.d.Stop()
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if err != nil {
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t.Fatal(cid, err)
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}
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cid = strings.TrimSpace(cid)
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// Kill the daemon
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if err := s.d.Kill(); err != nil {
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t.Fatal(err)
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}
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// kill the container
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runCmd := exec.Command(ctrBinary, "--address", "unix:///var/run/docker/libcontainerd/docker-containerd.sock", "containers", "kill", cid)
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if out, ec, err := runCommandWithOutput(runCmd); err != nil {
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t.Fatalf("Failed to run ctr, ExitCode: %d, err: '%v' output: '%s' cid: '%s'\n", ec, err, out, cid)
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}
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// Give time to containerd to process the command if we don't
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// the exit event might be received after we do the inspect
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pidCmd := exec.Command("pidof", "top")
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_, ec, _ := runCommandWithOutput(pidCmd)
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for ec == 0 {
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time.Sleep(3 * time.Second)
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_, ec, _ = runCommandWithOutput(pidCmd)
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}
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// restart the daemon
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if err := s.d.Start(); err != nil {
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t.Fatal(err)
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}
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// Check that we've got the correct exit code
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out, err := s.d.Cmd("inspect", "-f", "{{.State.ExitCode}}", cid)
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t.Assert(err, check.IsNil)
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out = strings.TrimSpace(out)
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if out != "143" {
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t.Fatalf("Expected exit code '%s' got '%s' for container '%s'\n", "143", out, cid)
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}
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}
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// os.Kill should kill daemon ungracefully, leaving behind live containers.
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// The live containers should be known to the restarted daemon. Stopping
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// them now, should remove the mounts.
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func (s *DockerDaemonSuite) TestCleanupMountsAfterDaemonCrash(c *check.C) {
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testRequires(c, DaemonIsLinux)
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c.Assert(s.d.StartWithBusybox("--live-restore"), check.IsNil)
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out, err := s.d.Cmd("run", "-d", "busybox", "top")
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c.Assert(err, check.IsNil, check.Commentf("Output: %s", out))
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id := strings.TrimSpace(out)
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c.Assert(s.d.cmd.Process.Signal(os.Kill), check.IsNil)
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mountOut, err := ioutil.ReadFile("/proc/self/mountinfo")
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c.Assert(err, check.IsNil, check.Commentf("Output: %s", mountOut))
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// container mounts should exist even after daemon has crashed.
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comment := check.Commentf("%s should stay mounted from older daemon start:\nDaemon root repository %s\n%s", id, s.d.folder, mountOut)
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c.Assert(strings.Contains(string(mountOut), id), check.Equals, true, comment)
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// restart daemon.
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if err := s.d.Restart("--live-restore"); err != nil {
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c.Fatal(err)
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}
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// container should be running.
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out, err = s.d.Cmd("inspect", "--format='{{.State.Running}}'", id)
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c.Assert(err, check.IsNil, check.Commentf("Output: %s", out))
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out = strings.TrimSpace(out)
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if out != "true" {
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c.Fatalf("Container %s expected to stay alive after daemon restart", id)
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}
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// 'docker stop' should work.
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out, err = s.d.Cmd("stop", id)
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c.Assert(err, check.IsNil, check.Commentf("Output: %s", out))
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// Now, container mounts should be gone.
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mountOut, err = ioutil.ReadFile("/proc/self/mountinfo")
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c.Assert(err, check.IsNil, check.Commentf("Output: %s", mountOut))
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comment = check.Commentf("%s is still mounted from older daemon start:\nDaemon root repository %s\n%s", id, s.d.folder, mountOut)
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c.Assert(strings.Contains(string(mountOut), id), check.Equals, false, comment)
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}
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// TestDaemonRestartWithUnpausedRunningContainer requires live restore of running containers.
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func (s *DockerDaemonSuite) TestDaemonRestartWithUnpausedRunningContainer(t *check.C) {
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// TODO(mlaventure): Not sure what would the exit code be on windows
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testRequires(t, DaemonIsLinux)
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if err := s.d.StartWithBusybox("--live-restore"); err != nil {
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t.Fatal(err)
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}
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cid, err := s.d.Cmd("run", "-d", "--name", "test", "busybox", "top")
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defer s.d.Stop()
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if err != nil {
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t.Fatal(cid, err)
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}
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cid = strings.TrimSpace(cid)
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// pause the container
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if _, err := s.d.Cmd("pause", cid); err != nil {
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t.Fatal(cid, err)
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}
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// Kill the daemon
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if err := s.d.Kill(); err != nil {
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t.Fatal(err)
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}
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// resume the container
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runCmd := exec.Command(ctrBinary, "--address", "unix:///var/run/docker/libcontainerd/docker-containerd.sock", "containers", "resume", cid)
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if out, ec, err := runCommandWithOutput(runCmd); err != nil {
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t.Fatalf("Failed to run ctr, ExitCode: %d, err: '%v' output: '%s' cid: '%s'\n", ec, err, out, cid)
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}
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// Give time to containerd to process the command if we don't
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// the resume event might be received after we do the inspect
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pidCmd := exec.Command("pidof", "top")
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_, ec, _ := runCommandWithOutput(pidCmd)
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for ec == 0 {
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time.Sleep(3 * time.Second)
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_, ec, _ = runCommandWithOutput(pidCmd)
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}
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// restart the daemon
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if err := s.d.Start("--live-restore"); err != nil {
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t.Fatal(err)
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}
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// Check that we've got the correct status
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out, err := s.d.Cmd("inspect", "-f", "{{.State.Status}}", cid)
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t.Assert(err, check.IsNil)
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out = strings.TrimSpace(out)
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if out != "running" {
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t.Fatalf("Expected exit code '%s' got '%s' for container '%s'\n", "running", out, cid)
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}
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if _, err := s.d.Cmd("kill", cid); err != nil {
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t.Fatal(err)
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}
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}
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// TestRunLinksChanged checks that creating a new container with the same name does not update links
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// this ensures that the old, pre gh#16032 functionality continues on
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func (s *DockerDaemonSuite) TestRunLinksChanged(c *check.C) {
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