switch to auto-restarter daemon

agent/config/restarter.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=restarts dead containers
+Requires=docker.service
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash /root/restarter.sh

agent/config/restarter.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+for CONTAINER in $(docker ps -aq); do
+	EXIT=`docker inspect -f "{{ .State.ExitCode }}" $CONTAINER`
+	if [ $EXIT -eq 0 ]; then
+		continue
+	fi
+	if [ $EXIT -eq 143 ]; then
+		continue
+	fi
+	if [ $EXIT -eq 137 ]; then
+		OOM=`docker inspect -f "{{ .State.OOMKilled }}" $CONTAINER`
+		if [ "$OOM" == "false" ]; then
+			continue
+		fi
+	fi
+	docker start $CONTAINER
+done

agent/config/restarter.timer

@@ -0,0 +1,9 @@
+[Unit]
+Description=restarter
+
+[Timer]
+OnUnitActiveSec=60s
+OnBootSec=60s
+
+[Install]
+WantedBy=timers.target