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description "Upstart script to run rsync replication between datasets"
author "Sam Zaydel"

env NODE_BIN=/usr/bin/node
env NODE_PATH=/usr/lib/nodejs:/usr/lib/node_modules:/usr/share/javascript
env APP_DIR=/opt/zfs-poola-rsync/bin
env SCRIPT_FILE="runme.js"   # Entry point for the nodejs app
env LOG_FILE=/var/log/zfs-poola-rsync.log
env RUN_AS="root"        # Upstart can only be run nicely as root, need to drop privileges
#env SERVER_ENV="anything"   # Usual apps can be run in different environments (development, test, production ...)
                            # I typically use the environment variable NODE_ENV (see below) 
                            # If not needed simply remove the "NODE_ENV=$SERVER_ENV" below

# Start service on startup, stop on shutdown
start on runlevel [2345]
stop on runlevel [016]

# Respawn in case of a crash, with default parameters
respawn

script
        # Make sure logfile exists and can be written by the user we drop privileges to
	touch $LOG_FILE
	chown $RUN_AS:$RUN_AS $LOG_FILE

	chdir $APP_DIR
	echo "===== Begin Current Environment =====" >> $LOG_FILE
	env >> $LOG_FILE
	echo "=====  End Current Environment  =====" >> $LOG_FILE

	NODE_ENV=$SERVER_ENV su -s /bin/sh -c 'exec "$0" "$@"' $RUN_AS -- $NODE_BIN $SCRIPT_FILE >> $LOG_FILE 2>&1
end script


post-start script
	echo "===== App restarted =====" >> $LOG_FILE
end script