Monitor Nginx, PHP, and MySQL and notify via Slack

monitor.sh

#!/bin/bash

info="Services restarted: "

# Nginx
ps -ef | grep nginx | grep -v grep > /dev/null
if [ $? != 0 ]
then
  sudo service nginx start > /dev/null
  info="$info Nginx, "
fi

# PHP
ps -ef | grep php | grep -v grep > /dev/null
if [ $? != 0 ]
then
  sudo service php7.1-fpm start > /dev/null
  info="$info PHP, "
fi

# MySQL
ps -ef | grep mysqld | grep -v grep > /dev/null
if [ $? != 0 ]
then
  sudo service mysql start
  info="$info MySQL."
fi

# Notify Slack
if [ $? != "Services restarted: " ]
then
  url={COMPLETE}
  escapedText=$(echo $info | sed 's/"/\"/g' | sed "s/'/\'/g" )
  json="{\"channel\": \"#general\", \"text\": \"$escapedText\"}"

  curl -s -d "payload=$json" "$url"
fi