Enforces cloudprint python connector is running from cron

cloudprint-start.sh

#!/bin/bash
####################################################################
# cloudprint-start.sh
#
# Enforce that CloudPrint is running
# Gustavo Arnosti Neves
#
# Use full-paths to files, or add a PATH variable or you will
# get errors when running this from Cron.
#
# Just edit the variables below to set up for your system.
# You should run this as root though.
#
# Check your Python and Cloudprint Paths with which:
# e.g. $ which python; which cloudprint
#
# Example Cron:
# $ sudo crontab -e
#
# Every 10 minutes:
# 3,13,23,33,43,53 * * * * /PATH/TO/cloudprint-start.sh &> /tmp/cloudprint.log
# 
# Or:
# */10 * * * * /PATH/TO/cloudprint-start.sh &> /tmp/cloudprint.log
####################################################################

PYTHON_BIN='/usr/bin/python'
CP_BIN='/usr/bin/cloudprint'
PIDFILE='/var/run/cloudprint_pid'
CREDENTIALS_FILE='/root/.cloudprintauth.json'
LOGFILE='/tmp/cloudprint.log'

if [[ $USER != "root" ]]; then
	echo "You should run this as the root user, aborting..."
	exit 1
fi

if [[ ! -f $PIDFILE ]]; then
	"$PYTHON_BIN" "$CP_BIN" -d -p "$PIDFILE" -a "$CREDENTIALS_FILE" &> "$LOGFILE"
fi