Created
March 14, 2014 03:57
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Unicorn setup
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#!/bin/sh | |
### BEGIN INIT INFO | |
# Provides: unicorn | |
# Required-Start: $local_fs $remote_fs | |
# Required-Stop: $local_fs $remote_fs | |
# Default-Start: 2 3 4 5 | |
# Default-Stop: 0 1 6 | |
# Short-Description: unicorn initscript | |
# Description: unicorn | |
### END INIT INFO | |
set -e | |
NAME=unicorn | |
DESC="Unicorn web server" | |
. /lib/lsb/init-functions | |
if [ -f /etc/default/unicorn ]; then | |
. /etc/default/unicorn | |
fi | |
export GEM_HOME=/usr/local/rvm/gems/ruby-2.0.0-p353 | |
export GEM_PATH=/usr/local/rvm/gems/ruby-2.0.0-p353:/usr/local/rvm/gems/ruby-2.0.0-p353/gems:/usr/local/rvm/gems/ruby-2.0.0-p353@global/gems | |
DAEMON=/usr/local/rvm/gems/ruby-2.0.0-p353/bin/unicorn | |
PID=${PID-/run/unicorn.pid} | |
run_by_init() { | |
([ "${previous-}" ] && [ "${runlevel-}" ]) || [ "${runlevel-}" = S ] | |
} | |
exit_with_message() { | |
if ! run_by_init; then | |
log_action_msg "$1 Not starting." | |
fi | |
exit 0 | |
} | |
check_config() { | |
if [ $CONFIGURED != "yes" ]; then | |
exit_with_message "Unicorn is not configured (see /etc/default/unicorn)." | |
fi | |
} | |
check_app_root() { | |
if ! [ -d $APP_ROOT ]; then | |
exit_with_message "Application directory $APP_ROOT is not exist." | |
fi | |
} | |
set -u | |
case "$1" in | |
start) | |
check_config | |
check_app_root | |
log_daemon_msg "Starting $DESC" $NAME || true | |
if start-stop-daemon --start --quiet --oknodo --pidfile $PID --exec $DAEMON -- $UNICORN_OPTS; then | |
log_end_msg 0 || true | |
else | |
log_end_msg 1 || true | |
fi | |
;; | |
stop) | |
log_daemon_msg "Stopping $DESC" $NAME || true | |
if start-stop-daemon --stop --signal QUIT --quiet --oknodo --pidfile $PID; then | |
log_end_msg 0 || true | |
else | |
log_end_msg 1 || true | |
fi | |
;; | |
force-stop) | |
log_daemon_msg "Forcing stop of $DESC" $NAME || true | |
if start-stop-daemon --stop --quiet --oknodo --pidfile $PID; then | |
log_end_msg 0 || true | |
else | |
log_end_msg 1 || true | |
fi | |
;; | |
restart|force-reload) | |
log_daemon_msg "Restarting $DESC" $NAME || true | |
start-stop-daemon --stop --quiet --oknodo --pidfile $PID | |
sleep 1 | |
if start-stop-daemon --start --quiet --oknodo --pidfile $PID --exec $DAEMON -- $UNICORN_OPTS; then | |
log_end_msg 0 || true | |
else | |
log_end_msg 1 || true | |
fi | |
;; | |
reload) | |
log_daemon_msg "Reloading $DESC" $NAME || true | |
if start-stop-daemon --stop --signal HUP --quiet --oknodo --pidfile $PID; then | |
log_end_msg 0 || true | |
else | |
log_end_msg 1 || true | |
fi | |
;; | |
reopen-logs) | |
log_daemon_msg "Relopening log files of $DESC" $NAME || true | |
if start-stop-daemon --stop --signal USR1 --quiet --oknodo --pidfile $PID; then | |
log_end_msg 0 || true | |
else | |
log_end_msg 1 || true | |
fi | |
;; | |
status) | |
status_of_proc -p $PID $DAEMON $NAME && exit 0 || exit $? | |
;; | |
*) | |
log_action_msg "Usage: $0 <start|stop|restart|force-reload|reload|force-stop|reopen-logs|status>" || true | |
exit 1 | |
;; | |
esac |
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# This is DigitalOcean's stock unicorn file when creating | |
# a new Ubuntu 12.10 droplet with nginx/rails/unicorn | |
# the app in /home/rails loads fine with the vanilla install | |
listen "127.0.0.1:8080" | |
worker_processes 2 | |
user "rails" | |
working_directory "/home/rails" | |
pid "/home/unicorn/pids/unicorn.pid" | |
stderr_path "/home/unicorn/log/unicorn.log" | |
stdout_path "/home/unicorn/log/unicorn.log" |
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working_directory "/var/www/myapp/current" | |
worker_processes 2 # this should be >= nr_cpus | |
pid "/home/myuser/pids/unicorn.pid" | |
stderr_path "/home/myuser/log/unicorn.log" | |
stdout_path "/home/myuser/log/unicorn.log" |
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output from running unicorn -c /var/www/myapp/config/unicorn.rb -D -d