[modify] change alert method to mail

alert/docker_alarm.sh

@@ -1,12 +1,15 @@
 #!/bin/bash
 
+> /tmp/docker_alarm.log
 docker ps -a --format "table {{.Names}}\t{{.Status}}" > /opt/logs/docker_status.log
 while read line; do
     echo $line | grep -q 'Exited'
     if [[ $? -eq 0 ]]; then
         name=`echo $line | awk '{print $1}'`
-        alarm="Docker Alarm - $name:\nContainer $name has been off line, please check ASAP."
-        bash /opt/scripts/alert/sendmsg.sh "$alarm"
+        echo "Docker Alarm - $name: Container $name has been off line, please check ASAP." >> /tmp/docker_alarm.log
     fi
 done < /opt/logs/docker_status.log
 
+alarm=`cat /tmp/docker_alarm.log`
+python3 /opt/scripts/alert/sendmail.py  "Docker Alarms" "$alarm"
+