service_checker.sh

#!/bin/bash
#ver. 2

##this script will check mysql and apache
##if that service is not running
##it will start the service and send 
##an email to you

##set your email address 
EMAIL="xxxxxxxxxxxx"

##list your services you want to check
SERVICES=(  'hhvm' 'nginx' 'mysql' )

#### DO NOT CHANGE anything BELOW ####


 for i in "${SERVICES[@]}"
  do
    ###IF SERVICE IS NOT RUNNING####

    service $i status;
    STATS=$(echo $?)
    echo $STATS
    if [[  $STATS != 0  ]]

	then
       ##TRY TO RESTART THAT SERVICE###
	service $i restart
     
        ##IF RESTART WORKED###
        service $i status;
        RESTART=$(echo $?)
       if [[  $RESTART == 0  ]]

	then
        ##SEND AN EMAIL###
	MESSAGE="$(tail -5 /var/log/$i/error.log)"
	SUBJECT="$i down -but restarted-  on $(hostname) $(date) "
	echo "   $i  $MESSAGE "  | mail -s "$SUBJECT" "$EMAIL"
       else

        ##IF RESTART DID NOT WORK SEND A DIFFERENT EMAIL###
	MESSAGE="$(tail -5 /var/log/$i/error.log)"
	SUBJECT="$i down on $(hostname) $(date) "
	echo "   $i  $MESSAGE  . I tried to restart but it did not work"  | mail -s "$SUBJECT" "$EMAIL"

       fi
    fi
  
  done