#!/bin/sh ### BEGIN INIT INFO # Provides: eth-log-alerting # Required-Start: $network $local_fs # Required-Stop: $network $local_fs # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: Log alerting via Mattermost # Description: Pipe myriad logs to Mattermost webhooks ### END INIT INFO . /lib/lsb/init-functions NAME=eth-log-alerting USER=root DAEMON="/usr/local/bin/${NAME}/${NAME}" DAEMON_ARGS="-config /usr/local/bin/${NAME}/config.json" PIDFILE="/var/run/${NAME}.pid" # Overrides [ -f "/etc/default/$NAME" ] && . /etc/default/$NAME # If the daemon is not there, then exit. test -x $DAEMON || exit 5 case $1 in start) # Checked the PID file exists and check the actual status of process if [ -e $PIDFILE ]; then status_of_proc -p $PIDFILE $DAEMON "$NAME process" && status="0" || status="$?" # If the status is SUCCESS then don't need to start again. if [ $status = "0" ]; then exit # Exit fi fi # Start the daemon. log_daemon_msg "Starting the process" "$NAME" # Start the daemon with the help of start-stop-daemon # Log the message appropriately if start-stop-daemon --start --chuid $USER --background --oknodo --pidfile $PIDFILE --make-pidfile --exec $DAEMON -- $DAEMON_ARGS; then log_end_msg 0 else log_end_msg 1 fi ;; stop) # Stop the daemon. if [ -e $PIDFILE ]; then status_of_proc -p $PIDFILE $DAEMON "Stoppping the $NAME process" && status="0" || status="$?" if [ "$status" = 0 ]; then start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE /bin/rm -rf $PIDFILE fi else log_daemon_msg "$NAME process is not running" log_end_msg 0 fi ;; restart) # Restart the daemon. $0 stop && sleep 2 && $0 start ;; status) # Check the status of the process. if [ -e $PIDFILE ]; then status_of_proc -p $PIDFILE $DAEMON "$NAME process" && exit 0 || exit $? else log_daemon_msg "$NAME Process is not running" log_end_msg 0 fi ;; reload) # Reload the process. Basically sending some signal to a daemon to reload # it configurations. if [ -e $PIDFILE ]; then start-stop-daemon --stop --signal USR1 --quiet --pidfile $PIDFILE --name $NAME log_success_msg "$NAME process reloaded successfully" else log_failure_msg "$PIDFILE does not exists" fi ;; *) # For invalid arguments, print the usage message. echo "Usage: $0 {start|stop|restart|reload|status}" exit 2 ;; esac