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@jgelo
Created October 6, 2010 02:32
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RVM w/ multiple rubies + multiple Unicorns
#!/bin/bash
#
# Unicorn application launcher
# Load the env config and RVM
. /etc/unicorn/$1.conf
. /usr/local/rvm/scripts/rvm
# Switch to the proper ruby
rvm use $RUBY
cd $RAILS_ROOT
if [[ $RUBY =~ "1.8.7" ]]; then
UNICORN=unicorn_rails
else
UNICORN=unicorn
fi
# Start unicorn
$UNICORN -e "ENV['RAILS_ROOT']='$RAILS_ROOT'" -c /etc/unicorn/unicorn.rb -E $RAILS_ENV -D
RUBY=ruby-1.9.2-p0
RAILS_ROOT=/var/www/rails3_example
RAILS_ENV=development
CMD="/etc/unicorn/app.sh rails3_example"
RUBY=ree-1.8.7-2010.02
RAILS_ROOT=/var/www/redmine
RAILS_ENV=production
CMD="/etc/unicorn/app.sh redmine"
#!/bin/sh
#
# chkconfig: - 85 15
# description: Unicorn init script for single or multiple unicorn installations.
# Expects at least one .conf file in /etc/unicorn
#
# Modified by jgelo@hoptsolutions.com http://github.com/jgelo
# Modified by jay@gooby.org http://github.com/jaygooby
# based on http://gist.github.com/308216 by http://github.com/mguterl
#
# If you call this script without any config parameters, it will attempt to run the
# init command for all your unicorn configurations listed in /etc/unicorn/*.conf
#
# Start all unicorns -
# /etc/init.d/unicorn start
#
# Start a particular unicorn -
# /etc/init.d/unicorn start /etc/unicorn/my_app.conf
set -e
sig () {
test -s "$PID" && kill -$1 `cat "$PID"`
}
oldsig () {
test -s "$OLD_PID" && kill -$1 `cat "$OLD_PID"`
}
cmd () {
case $1 in
start)
sig 0 && echo >&2 "Already running" && exit 0
echo "Starting"
$CMD
;;
stop)
sig QUIT && echo "Stopping" && exit 0
echo >&2 "Not running"
;;
force-stop)
sig TERM && echo "Forcing a stop" && exit 0
echo >&2 "Not running"
;;
restart|reload)
sig USR2 && sleep 5 && oldsig QUIT && echo "Killing old master" `cat $OLD_PID` && exit 0
echo >&2 "Couldn't reload, starting '$CMD' instead"
$CMD
;;
upgrade)
sig USR2 && echo Upgraded && exit 0
echo >&2 "Couldn't upgrade, starting '$CMD' instead"
$CMD
;;
rotate)
sig USR1 && echo rotated logs OK && exit 0
echo >&2 "Couldn't rotate logs" && exit 1
;;
*)
echo >&2 "Usage: $0 <start|stop|restart|upgrade|rotate|force-stop>"
exit 1
;;
esac
}
setup () {
echo -n "$RAILS_ROOT: "
cd $RAILS_ROOT || exit 1
export PID=$RAILS_ROOT/tmp/pids/unicorn.pid
export OLD_PID="$PID.oldbin"
# CMD is read from the conf file
# CMD="/usr/bin/unicorn_rails -c config/unicorn.rb -E $RAILS_ENV -D"
}
start_stop () {
# either run the start/stop/reload/etc command for every config under /etc/unicorn
# or just do it for a specific one
# $1 contains the start/stop/etc command
# $2 if it exists, should be the specific config we want to act on
if [ $2 ]; then
. $2
setup
cmd $1
else
for CONFIG in /etc/unicorn/*.conf; do
# import the variables
. $CONFIG
setup
# run the start/stop/etc command
cmd $1
done
fi
}
ARGS="$1 $2"
start_stop $ARGS
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