From f067e263677fc86f9610ca61fbe42f63efad91f2 Mon Sep 17 00:00:00 2001
From: Michael Crosby <michael@crosbymichael.com>
Date: Tue, 25 Mar 2014 23:21:07 +0000
Subject: [PATCH] Ensure that all containers are stopped cleanly at shutdown
 Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com>
 (github: crosbymichael)

---
 runtime/runtime.go | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/runtime/runtime.go b/runtime/runtime.go
index b035f5df9..85880ff9a 100644
--- a/runtime/runtime.go
+++ b/runtime/runtime.go
@@ -778,8 +778,31 @@ func NewRuntimeFromDirectory(config *daemonconfig.Config, eng *engine.Engine) (*
 	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 {
 	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 {
 		utils.Errorf("portallocator.ReleaseAll(): %s", err)
 		errorsStrings = append(errorsStrings, err.Error())