#!/bin/bash

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"
    fi
done < /opt/logs/docker_status.log