Installation of MailHog on CentOS

mailhog-init.d

#!/bin/sh
# /etc/init.d/mailhog
#
# MailHog init script.
#
# @author Jeff Geerling

### BEGIN INIT INFO
# Provides:          mailhog
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start MailHog at boot time.
# Description:       Enable MailHog.
### END INIT INFO

PID=/var/run/mailhog.pid
LOCK=/var/lock/mailhog.lock
USER=nobody
BIN=/usr/sbin/mailhog
DAEMONIZE_BIN=/usr/sbin/daemonize
AUTH="-auth-file=/etc/mailhog/passwd"

# Carry out specific functions when asked to by the system
case "$1" in
  start)
    echo "Starting mailhog."
    $DAEMONIZE_BIN -p $PID -l $LOCK -u $USER $BIN $AUTH
    ;;
  stop)
    if [ -f $PID ]; then
      echo "Stopping mailhog.";
      kill -TERM $(cat $PID);
      rm -f $PID;
    else
      echo "MailHog is not running.";
    fi
    ;;
  restart)
    echo "Restarting mailhog."
    if [ -f $PID ]; then
      kill -TERM $(cat $PID);
      rm -f $PID;
    fi
    $DAEMONIZE_BIN -p $PID -l $LOCK -u $USER $BIN $AUTH
    ;;
  status)
    if [ -f $PID ]; then
      echo "MailHog is running.";
    else
      echo "MailHog is not running.";
      exit 3
    fi
    ;;
  *)
    echo "Usage: /etc/init.d/mailhog {start|stop|status|restart}"
    exit 1
    ;;
esac

exit 0

mailhog-install.sh

## Install packages
sudo yum install wget curl vim epel-release
sudo yum install daemonize.x86_64

## Install mailhog
wget https://github.com/mailhog/MailHog/releases/download/v0.2.0/MailHog_linux_amd64
sudo chmod +x MailHog_linux_amd64
sudo chown root:root MailHog_linux_amd64
sudo mv MailHog_linux_amd64 /usr/sbin/mailhog

## Install mailhog initd service
wget https://raw.githubusercontent.com/geerlingguy/ansible-role-mailhog/master/templates/mailhog.init.j2
sudo chown root:root mailhog.init.j2
sudo chmod +x mailhog.init.j2
sudo mv mailhog.init.j2 /etc/init.d/mailhog

###  Fix the paths in the mailhog init.d file
sudo vim /etc/init.d/mailhog

## Start mailhog
sudo chkconfig mailhog on
sudo service mailhog start