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Ensure that all containers are stopped cleanly at shutdown

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Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
This commit is contained in:
Michael Crosby 2014-03-25 23:21:07 +00:00
parent b4b87413d8
commit f067e26367
1 changed files with 23 additions and 0 deletions
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23
runtime/runtime.go
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@ -778,8 +778,31 @@ func NewRuntimeFromDirectory(config *daemonconfig.Config, eng *engine.Engine) (*
return runtime, nil return runtime, nil
} }
func (runtime *Runtime) shutdown() error {
group := sync.WaitGroup{}
utils.Debugf("starting clean shutdown of all containers...")
for _, container := range runtime.List() {
if container.State.IsRunning() {
utils.Debugf("stopping %s", container.ID)
group.Add(1)
go func() {
defer group.Done()
container.Stop(10)
}()
}
}
group.Wait()
return nil
}
func (runtime *Runtime) Close() error { func (runtime *Runtime) Close() error {
errorsStrings := []string{} errorsStrings := []string{}
if err := runtime.shutdown(); err != nil {
utils.Errorf("runtime.shutdown(): %s", err)
errorsStrings = append(errorsStrings, err.Error())
}
if err := portallocator.ReleaseAll(); err != nil { if err := portallocator.ReleaseAll(); err != nil {
utils.Errorf("portallocator.ReleaseAll(): %s", err) utils.Errorf("portallocator.ReleaseAll(): %s", err)
errorsStrings = append(errorsStrings, err.Error()) errorsStrings = append(errorsStrings, err.Error())