containerd/supervisor/exit.go
Alexander Morozov 69f8f566a2 Move supervisor to it's own package
It allows to keep main namespace cleaner

Signed-off-by: Alexander Morozov <lk4d4@docker.com>
2015-12-17 16:18:48 -08:00

58 lines
1.5 KiB
Go

package supervisor
import "github.com/Sirupsen/logrus"
type ExitEvent struct {
s *Supervisor
}
func (h *ExitEvent) Handle(e *Event) error {
logrus.WithFields(logrus.Fields{"pid": e.Pid, "status": e.Status}).
Debug("containerd: process exited")
// is it the child process of a container
if info, ok := h.s.processes[e.Pid]; ok {
ne := NewEvent(ExecExitEventType)
ne.ID = info.container.ID()
ne.Pid = e.Pid
ne.Status = e.Status
h.s.SendEvent(ne)
return nil
}
// is it the main container's process
container, err := h.s.getContainerForPid(e.Pid)
if err != nil {
if err != errNoContainerForPid {
logrus.WithField("error", err).Error("containerd: find containers main pid")
}
return nil
}
container.SetExited(e.Status)
ne := NewEvent(DeleteEventType)
ne.ID = container.ID()
ne.Pid = e.Pid
ne.Status = e.Status
h.s.SendEvent(ne)
stopCollect := NewEvent(StopStatsEventType)
stopCollect.ID = container.ID()
h.s.SendEvent(stopCollect)
return nil
}
type ExecExitEvent struct {
s *Supervisor
}
func (h *ExecExitEvent) Handle(e *Event) error {
// exec process: we remove this process without notifying the main event loop
info := h.s.processes[e.Pid]
if err := info.container.RemoveProcess(e.Pid); err != nil {
logrus.WithField("error", err).Error("containerd: find container for pid")
}
if err := info.copier.Close(); err != nil {
logrus.WithField("error", err).Error("containerd: close process IO")
}
delete(h.s.processes, e.Pid)
h.s.notifySubscribers(e)
return nil
}