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Startup script for Radiant with Mongrel

Posted by Paul Verreth Mon, 26 Mar 2007 05:54:00 GMT

Mongrel is IMHO the preferred (web)server for Ruby on Rails applications hence for Radiant.

Here you can find a startup script for Fedora linux, but of course also usable for Ubuntu, ...

#!/bin/bash
#
#    /etc/rc.d/init.d/radiant_cms
#
# Start mongrel & radiant
#
# chkconfig: - 65 35
# description: Mongrel & radiant
# processname: mongrel
# Source function library.
. /etc/init.d/functions

MONGREL=/usr/bin/mongrel_rails
RAILSDIR=/var/www/radiant
CONFFILE=mongrel_config

test -x $MONGREL || exit 0

RETVAL=0
prog="Mongrel for radiant" 

start() {
        echo -n $"Starting $prog: " 
    cd $RAILSDIR
    $MONGREL start -C $CONFFILE
    RETVAL=$?
    echo
}

stop() {
    echo -n $"Stopping $prog: " 
    cd $RAILSDIR
    $MONGREL stop
    RETVAL=$?
    echo
}

#
#    See how we were called.
#
case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  restart)
    stop
    start
    RETVAL=$?
    ;;
  *)
    echo $"Usage: $0 {start|stop|restart}" 
    exit 1
esac

exit $RETVAL

mongrel_config

--- 
:cwd: /var/www/radiant
:includes: 
- mongrel
:debug: false
:log_file: log/mongrel.log
:config_script: 
:pid_file: log/mongrel.pid
:timeout: 0
:num_processors: 1024
:docroot: public
:config_file: 
:user: apache
:host: 0.0.0.0
:group: apache
:mime_map: 
:environment: production
:prefix: 
:port: 4000
:daemon: true

This file should be fairly self explaining:

• /var/www/radiant is the radiant base directory.
• host: 0.0.0.0 listens on every address, for safety better to use 127.0.0.1, and in combination with reverse proxying
• port: 4000 for instance for reverse proxying, 80 for direct web serving.

mongrel with apache as a reverse proxy will be explained in a different article to come.

chkconfig

On fedora you can use chkconfig to activate the startup script. Please also read the chkconfig man page.

To be manageable by chkconfig, the script needs a special section, an example follows:

#!/bin/bash
#
#    /etc/rc.d/init.d/radiant_cms
#
# Start mongrel & radiant
#
# chkconfig: - 65 35
# description: Mongrel & radiant
# processname: mongrel

Active? And in wich runlevels?

chkconfig --list radiant_cms
service radiant_cms supports chkconfig, but is not referenced in any runlevel (run 'chkconfig --add radiant_cms')

So it is added, but not yet activated:

chkconfig --add radiant_cms
chkconfig --list radiant_cms
radiant_cms        0:off   1:off   2:off   3:off   4:off   5:off   6:off

And, to activate:

chkconfig radiant_cms on

chkconfig --list 
radiant_cms        0:off   1:off   2:on    3:on    4:on    5:on    6:off