Graphdat Relay Redhat / CentOS init script

graphdat-relay-redhat-init

#!/bin/sh
##
## The graphdat-relay hosts and manages the graphdat plugins.
## Batching and sending data to graphdat.com
##
# chkconfig: 345 85 15
# description: Graphdat Relay Daemon
# processname: graphdat-relay

# Source init functions
. /etc/rc.d/init.d/functions

#### CHANGE ME ###
# Where did you install the graphdat-relay's config files
CONFIG=/etc/graphdat-relay
###################

#### CHANGE ME ###
# Where is node installed?  
# If you have done something custom like use nvm, please update
# the $NODEPATH instead of using this default
NODEBIN=$(which node)
NODEPATH=${NODEBIN%/*}
###################

#### CHANGE ME ###
# Where is the graphdat-relay installed?  
# If you have done something custom like use nvm, please update
# the $DAEMON instead of using this default
DAEMON=$(which graphdat-relay-daemon)
###################

PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/local/bin:/usr/local/sbin:$NODEPATH

# Add $HOME to the ENV so node-gyp plays nicely
test -z $HOME && export HOME=/root

DESC="The graphdat-relay hosts plugins that send data to graphdat.com"
SCRIPTNAME=/etc/init.d/graphdat-relay

# Exit if node is not installed
if [ ! -x "$NODEBIN" ] && [ ! -L "$NODEBIN" ]; then
	echo "** Node.js is either not installed or not in your current path"
	echo "\"\$ which node\" gives back the value: \"$NODEBIN\""
	echo "-- To install nodejs, please go to http://nodejs.org/"
	echo "-- If node is installed, please update the \$NODEBIN value in this init script"
	exit 0
fi

# Exit if the graphdat-relay is not installed
if [ ! -x "$DAEMON" ] && [ ! -L "$DAEMON" ]; then
	echo "** The Graphdat relay was not found in your path"
	echo "\"\$ which graphdat-relay-daemon\" gives back the value: \"$DAEMON\""
	echo "-- To install the graphdat relay run \$ sudo npm install graphdat-relay --global"
	echo "-- If the graphdat-relay is installed, please update the \$DAEMON value in this init script"
	exit 0
fi

# Exit if the relay directory is not found
if [ ! -d "$CONFIG" ] && [ ! -L "$CONFIG" ]; then
	echo "** The Graphdat relay directory was not found"
	echo "The current CONFIG path is: \"$CONFIG\""
	echo "-- Please update the \$CONFIG value in this init script"
	exit 0
fi

# Exit if the relay directory does not contain a configuration file
if [ ! -f "$CONFIG/config.json" ]; then
	echo "** The Graphdat relay directory does not contain a configuration file"
	echo "The config.json file should be located in \"$CONFIG/config.json\""
	echo "-- To create the config file, please run the following in the $CONFIG directory:"
	echo "-- \"\$ graphdat-relay -e your-email -t your-api-token\""
	exit 0
fi

do_start()
{
	cd $CONFIG && $DAEMON start
}

do_stop()
{
	cd $CONFIG && $DAEMON stop
}

do_restart()
{
	cd $CONFIG && $DAEMON restart
}

do_status()
{
	cd $CONFIG && $DAEMON status
}

case "$1" in
	start)
		do_start
	;;
	stop)
		do_stop
	;;
	restart)
		do_restart
	;;
	status)
		do_status
	;;
	*)
	echo "Usage: $SCRIPTNAME {start|stop|restart|status}" >&2
	;;

esac