mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
894266c1bb
Currently some commands including `kill`, `pause`, `restart`, `rm`, `rmi`, `stop`, `unpause`, `udpate`, `wait` will print a lot of error message on client side, with a lot of redundant messages, this commit is trying to remove the unuseful and redundant information for user. Signed-off-by: Zhang Wei <zhangwei555@huawei.com>
62 lines
2.2 KiB
Go
62 lines
2.2 KiB
Go
package daemon
|
|
|
|
import (
|
|
"time"
|
|
|
|
"github.com/Sirupsen/logrus"
|
|
"github.com/docker/docker/container"
|
|
derr "github.com/docker/docker/errors"
|
|
)
|
|
|
|
// ContainerStop looks for the given container and terminates it,
|
|
// waiting the given number of seconds before forcefully killing the
|
|
// container. If a negative number of seconds is given, ContainerStop
|
|
// will wait for a graceful termination. An error is returned if the
|
|
// container is not found, is already stopped, or if there is a
|
|
// problem stopping the container.
|
|
func (daemon *Daemon) ContainerStop(name string, seconds int) error {
|
|
container, err := daemon.GetContainer(name)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if !container.IsRunning() {
|
|
return derr.ErrorCodeStopped.WithArgs(name)
|
|
}
|
|
if err := daemon.containerStop(container, seconds); err != nil {
|
|
return derr.ErrorCodeCantStop.WithArgs(name, err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// containerStop halts a container by sending a stop signal, waiting for the given
|
|
// duration in seconds, and then calling SIGKILL and waiting for the
|
|
// process to exit. If a negative duration is given, Stop will wait
|
|
// for the initial signal forever. If the container is not running Stop returns
|
|
// immediately.
|
|
func (daemon *Daemon) containerStop(container *container.Container, seconds int) error {
|
|
if !container.IsRunning() {
|
|
return nil
|
|
}
|
|
|
|
stopSignal := container.StopSignal()
|
|
// 1. Send a stop signal
|
|
if err := daemon.killPossiblyDeadProcess(container, stopSignal); err != nil {
|
|
logrus.Infof("Failed to send signal %d to the process, force killing", stopSignal)
|
|
if err := daemon.killPossiblyDeadProcess(container, 9); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
// 2. Wait for the process to exit on its own
|
|
if _, err := container.WaitStop(time.Duration(seconds) * time.Second); err != nil {
|
|
logrus.Infof("Container %v failed to exit within %d seconds of signal %d - using the force", container.ID, seconds, stopSignal)
|
|
// 3. If it doesn't, then send SIGKILL
|
|
if err := daemon.Kill(container); err != nil {
|
|
container.WaitStop(-1 * time.Second)
|
|
logrus.Warn(err) // Don't return error because we only care that container is stopped, not what function stopped it
|
|
}
|
|
}
|
|
|
|
daemon.LogContainerEvent(container, "stop")
|
|
return nil
|
|
}
|