43 lines
880 B
Go
43 lines
880 B
Go
package supervisor
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import "github.com/docker/containerd/runtime"
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type UpdateEvent struct {
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s *Supervisor
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}
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func (h *UpdateEvent) Handle(e *Event) error {
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i, ok := h.s.containers[e.ID]
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if !ok {
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return ErrContainerNotFound
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}
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container := i.container
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if e.State != "" {
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switch e.State {
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case runtime.Running:
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if err := container.Resume(); err != nil {
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return ErrUnknownContainerStatus
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}
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case runtime.Paused:
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if err := container.Pause(); err != nil {
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return ErrUnknownContainerStatus
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}
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default:
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return ErrUnknownContainerStatus
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}
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}
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if e.Signal != nil {
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// signal the pid1/main process of the container
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processes, err := container.Processes()
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if err != nil {
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return err
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}
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for _, p := range processes {
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if p.ID() == runtime.InitProcessID {
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return p.Signal(e.Signal)
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}
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}
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return ErrProcessNotFound
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}
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return nil
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}
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