containerd/supervisor/worker.go
Michael Crosby 3dc59d565a Rename Events to task in supervisor
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2016-02-11 17:26:24 -08:00

73 lines
1.5 KiB
Go

package supervisor
import (
"sync"
"time"
"github.com/Sirupsen/logrus"
"github.com/docker/containerd/runtime"
)
type Worker interface {
Start()
}
type startTask struct {
Container runtime.Container
Checkpoint string
Stdin string
Stdout string
Stderr string
Err chan error
StartResponse chan StartResponse
}
func NewWorker(s *Supervisor, wg *sync.WaitGroup) Worker {
return &worker{
s: s,
wg: wg,
}
}
type worker struct {
wg *sync.WaitGroup
s *Supervisor
}
func (w *worker) Start() {
defer w.wg.Done()
for t := range w.s.tasks {
started := time.Now()
process, err := t.Container.Start(t.Checkpoint, runtime.NewStdio(t.Stdin, t.Stdout, t.Stderr))
if err != nil {
evt := NewTask(DeleteTaskType)
evt.ID = t.Container.ID()
w.s.SendTask(evt)
t.Err <- err
continue
}
/*
if w.s.notifier != nil {
n, err := t.Container.OOM()
if err != nil {
logrus.WithField("error", err).Error("containerd: notify OOM events")
} else {
w.s.notifier.Add(n, t.Container.ID())
}
}
*/
if err := w.s.monitorProcess(process); err != nil {
logrus.WithField("error", err).Error("containerd: add process to monitor")
}
ContainerStartTimer.UpdateSince(started)
t.Err <- nil
t.StartResponse <- StartResponse{
Container: t.Container,
}
w.s.notifySubscribers(Event{
Timestamp: time.Now(),
ID: t.Container.ID(),
Type: "start-container",
})
}
}