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moby--moby/container/monitor.go
Tonis Tiigi 9c4570a958 Replace execdrivers with containerd implementation
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
Signed-off-by: Anusha Ragunathan <anusha@docker.com>
2016-03-18 13:38:32 -07:00

60 lines
1.4 KiB
Go

package container
import (
"time"
"github.com/Sirupsen/logrus"
)
const (
loggerCloseTimeout = 10 * time.Second
)
// supervisor defines the interface that a supervisor must implement
type supervisor interface {
// LogContainerEvent generates events related to a given container
LogContainerEvent(*Container, string)
// Cleanup ensures that the container is properly unmounted
Cleanup(*Container)
// StartLogging starts the logging driver for the container
StartLogging(*Container) error
// Run starts a container
Run(c *Container) error
// IsShuttingDown tells whether the supervisor is shutting down or not
IsShuttingDown() bool
}
// Reset puts a container into a state where it can be restarted again.
func (container *Container) Reset(lock bool) {
if lock {
container.Lock()
defer container.Unlock()
}
if err := container.CloseStreams(); err != nil {
logrus.Errorf("%s: %s", container.ID, err)
}
// Re-create a brand new stdin pipe once the container exited
if container.Config.OpenStdin {
container.NewInputPipes()
}
if container.LogDriver != nil {
if container.LogCopier != nil {
exit := make(chan struct{})
go func() {
container.LogCopier.Wait()
close(exit)
}()
select {
case <-time.After(loggerCloseTimeout):
logrus.Warnf("Logger didn't exit in time: logs may be truncated")
case <-exit:
}
}
container.LogDriver.Close()
container.LogCopier = nil
container.LogDriver = nil
}
}