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@kidpollo
Created July 26, 2010 20:13
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#!/bin/sh
set -u
set -e
# Example init script, this can be used with nginx, too,
# since nginx and unicorn accept the same signals
# Feel free to change any of the following variables for your app:
APP_ROOT=<%= @app_dir %>/current
PID=<%= @app_dir %>/shared/tmp/pids/<%= @app_name %>.pid
ENV=<%= @node[:environment][:framework_env] %>
<% if @rails_app %>
CMD="unicorn_rails -D -E $ENV -c $APP_ROOT/config/unicorn.rb"
<% else %>
CMD="unicorn -D -E $ENV -c $APP_ROOT/config/unicorn.rb"
<% end %>
old_pid="$PID.oldbin"
cd $APP_ROOT || exit 1
sig () {
test -s "$PID" && kill -$1 `cat $PID`
}
oldsig () {
test -s $old_pid && kill -$1 `cat $old_pid`
}
case $1 in
start)
sig 0 && echo >&2 "Already running" && exit 0
$CMD
;;
stop)
sig QUIT && exit 0
echo >&2 "Not running"
;;
force-stop)
sig TERM && exit 0
echo >&2 "Not running"
;;
restart|reload)
sig HUP && echo reloaded OK && exit 0
echo >&2 "Couldn't reload, starting '$CMD' instead"
$CMD
;;
upgrade)
sig USR2 && exit 0
echo >&2 "Couldn't upgrade, starting '$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
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