0f871f8cb7
Define consts for the Actions we use for events, instead of "ad-hoc" strings. Having these consts makes it easier to find where specific events are triggered, makes the events less error-prone, and allows documenting each Action (if needed). Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
package daemon // import "github.com/docker/docker/daemon"
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import (
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"context"
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"fmt"
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"github.com/containerd/containerd/log"
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"github.com/docker/docker/api/types/events"
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"github.com/docker/docker/container"
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)
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// ContainerUnpause unpauses a container
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func (daemon *Daemon) ContainerUnpause(name string) error {
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ctr, err := daemon.GetContainer(name)
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if err != nil {
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return err
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}
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return daemon.containerUnpause(ctr)
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}
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// containerUnpause resumes the container execution after the container is paused.
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func (daemon *Daemon) containerUnpause(ctr *container.Container) error {
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ctr.Lock()
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defer ctr.Unlock()
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// We cannot unpause the container which is not paused
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if !ctr.Paused {
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return fmt.Errorf("Container %s is not paused", ctr.ID)
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}
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tsk, err := ctr.GetRunningTask()
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if err != nil {
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return err
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}
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if err := tsk.Resume(context.Background()); err != nil {
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return fmt.Errorf("Cannot unpause container %s: %s", ctr.ID, err)
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}
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ctr.Paused = false
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daemon.setStateCounter(ctr)
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daemon.updateHealthMonitor(ctr)
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daemon.LogContainerEvent(ctr, events.ActionUnPause)
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if err := ctr.CheckpointTo(daemon.containersReplica); err != nil {
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log.G(context.TODO()).WithError(err).Warn("could not save container to disk")
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}
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return nil
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}
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