137 lines
3.9 KiB
Go
137 lines
3.9 KiB
Go
package daemon
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import (
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"errors"
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"fmt"
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"runtime"
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"strconv"
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"time"
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"github.com/Sirupsen/logrus"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/libcontainerd"
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"github.com/docker/docker/restartmanager"
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)
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// StateChanged updates daemon state changes from containerd
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func (daemon *Daemon) StateChanged(id string, e libcontainerd.StateInfo) error {
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c := daemon.containers.Get(id)
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if c == nil {
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return fmt.Errorf("no such container: %s", id)
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}
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switch e.State {
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case libcontainerd.StateOOM:
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// StateOOM is Linux specific and should never be hit on Windows
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if runtime.GOOS == "windows" {
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return errors.New("Received StateOOM from libcontainerd on Windows. This should never happen.")
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}
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daemon.updateHealthMonitor(c)
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daemon.LogContainerEvent(c, "oom")
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case libcontainerd.StateExit:
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// if container's AutoRemove flag is set, remove it after clean up
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autoRemove := func() {
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c.Lock()
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ar := c.HostConfig.AutoRemove
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c.Unlock()
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if ar {
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if err := daemon.ContainerRm(c.ID, &types.ContainerRmConfig{ForceRemove: true, RemoveVolume: true}); err != nil {
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logrus.Errorf("can't remove container %s: %v", c.ID, err)
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}
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}
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}
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c.Lock()
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c.StreamConfig.Wait()
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c.Reset(false)
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restart, wait, err := c.RestartManager().ShouldRestart(e.ExitCode, c.HasBeenManuallyStopped, time.Since(c.StartedAt))
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if err == nil && restart {
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c.RestartCount++
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c.SetRestarting(platformConstructExitStatus(e))
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} else {
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c.SetStopped(platformConstructExitStatus(e))
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defer autoRemove()
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}
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// cancel healthcheck here, they will be automatically
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// restarted if/when the container is started again
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daemon.stopHealthchecks(c)
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attributes := map[string]string{
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"exitCode": strconv.Itoa(int(e.ExitCode)),
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}
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daemon.LogContainerEventWithAttributes(c, "die", attributes)
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daemon.Cleanup(c)
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if err == nil && restart {
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go func() {
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err := <-wait
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if err == nil {
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if err = daemon.containerStart(c, "", "", false); err != nil {
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logrus.Debugf("failed to restart container: %+v", err)
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}
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}
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if err != nil {
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c.SetStopped(platformConstructExitStatus(e))
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defer autoRemove()
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if err != restartmanager.ErrRestartCanceled {
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logrus.Errorf("restartmanger wait error: %+v", err)
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}
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}
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}()
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}
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defer c.Unlock()
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if err := c.ToDisk(); err != nil {
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return err
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}
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return daemon.postRunProcessing(c, e)
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case libcontainerd.StateExitProcess:
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if execConfig := c.ExecCommands.Get(e.ProcessID); execConfig != nil {
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ec := int(e.ExitCode)
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execConfig.Lock()
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defer execConfig.Unlock()
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execConfig.ExitCode = &ec
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execConfig.Running = false
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execConfig.StreamConfig.Wait()
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if err := execConfig.CloseStreams(); err != nil {
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logrus.Errorf("failed to cleanup exec %s streams: %s", c.ID, err)
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}
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// remove the exec command from the container's store only and not the
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// daemon's store so that the exec command can be inspected.
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c.ExecCommands.Delete(execConfig.ID)
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} else {
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logrus.Warnf("Ignoring StateExitProcess for %v but no exec command found", e)
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}
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case libcontainerd.StateStart, libcontainerd.StateRestore:
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// Container is already locked in this case
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c.SetRunning(int(e.Pid), e.State == libcontainerd.StateStart)
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c.HasBeenManuallyStopped = false
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c.HasBeenStartedBefore = true
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if err := c.ToDisk(); err != nil {
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c.Reset(false)
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return err
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}
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daemon.initHealthMonitor(c)
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daemon.LogContainerEvent(c, "start")
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case libcontainerd.StatePause:
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// Container is already locked in this case
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c.Paused = true
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if err := c.ToDisk(); err != nil {
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return err
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}
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daemon.updateHealthMonitor(c)
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daemon.LogContainerEvent(c, "pause")
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case libcontainerd.StateResume:
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// Container is already locked in this case
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c.Paused = false
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if err := c.ToDisk(); err != nil {
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return err
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}
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daemon.updateHealthMonitor(c)
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daemon.LogContainerEvent(c, "unpause")
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}
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return nil
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}
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