add state transitions for process restart

internal/resource/resource.go

@@ -65,6 +65,11 @@ func ResourceMachine(sub machine.Subscriber) machine.Stater {
 		return nil
 	}
 
+	stater.AddTransition("read-failed", machine.States("start_read"), "inconsistent")
+	if e := stater.AddSubscription("read-failed", sub); e != nil {
+		return nil
+	}
+
 	stater.AddTransition("update-failed", machine.States("start_update"), "inconsistent")
 	if e := stater.AddSubscription("update-failed", sub); e != nil {
 		return nil
@@ -147,5 +152,20 @@ func ProcessMachine(sub machine.Subscriber) machine.Stater {
 	if e := stater.AddSubscription("deleted", sub); e != nil {
 		return nil
 	}
+
+	stater.AddTransition("restart", machine.States("*"), "restarting")
+	if e := stater.AddSubscription("restart", sub); e != nil {
+		return nil
+	}
+	stater.AddTransition("restarted", machine.States("restarting"), "running")
+	if e := stater.AddSubscription("restarted", sub); e != nil {
+		return nil
+	}
+
+	stater.AddTransition("restart-failed", machine.States("restarting"), "inconsistent")
+	if e := stater.AddSubscription("restart-failed", sub); e != nil {
+		return nil
+	}
+
 	return stater
 }