mirror of
https://github.com/ClusterCockpit/cc-metric-collector.git
synced 2024-12-25 07:09:04 +01:00
141 lines
2.9 KiB
Bash
Executable File
141 lines
2.9 KiB
Bash
Executable File
#! /usr/bin/env bash
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# chkconfig: 2345 80 05
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# description: ClusterCockpit metric collector
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# processname: cc-metric-collector
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# config: /etc/default/cc-metric-collector
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# pidfile: /var/run/cc-metric-collector.pid
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### BEGIN INIT INFO
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# Provides: cc-metric-collector
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# Required-Start: $all
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# Required-Stop: $remote_fs $syslog
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: Start ClusterCockpit metric collector at boot time
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### END INIT INFO
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PATH=/bin:/usr/bin:/sbin:/usr/sbin
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NAME=cc-metric-collector
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DESC="ClusterCockpit metric collector"
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DEFAULT=/etc/default/${NAME}.json
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CC_USER=clustercockpit
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CC_GROUP=clustercockpit
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CONF_DIR=/etc/cc-metric-collector
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PID_FILE=/var/run/$NAME.pid
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DAEMON=/usr/sbin/$NAME
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CONF_FILE=${CONF_DIR}/cc-metric-collector.json
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umask 0027
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if [ ! -x $DAEMON ]; then
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echo "Program not installed or not executable"
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exit 5
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fi
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. /lib/lsb/init-functions
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if [ -r /etc/default/rcS ]; then
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. /etc/default/rcS
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fi
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# overwrite settings from default file
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if [ -f "$DEFAULT" ]; then
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. "$DEFAULT"
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fi
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CC_OPTS="--config=${CONF_FILE}"
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function checkUser() {
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if [ `id -u` -ne 0 ]; then
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echo "You need root privileges to run this script"
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exit 4
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fi
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}
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case "$1" in
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start)
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checkUser
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log_daemon_msg "Starting $DESC"
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pid=`pidofproc -p $PID_FILE $NAME`
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if [ -n "$pid" ] ; then
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log_begin_msg "Already running."
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log_end_msg 0
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exit 0
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fi
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# Prepare environment
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touch "$PID_FILE" && chown "$CC_USER":"$CC_GROUP" "$PID_FILE"
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if [ -n "$MAX_OPEN_FILES" ]; then
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ulimit -n $MAX_OPEN_FILES
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fi
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# Start Daemon
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start-stop-daemon --start -b --chdir "$WORK_DIR" --user "$CC_USER" -c "$CC_USER" --pidfile "$PID_FILE" --exec $DAEMON -- $DAEMON_OPTS
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return=$?
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if [ $return -eq 0 ]
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then
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sleep 1
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# check if pid file has been written to
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if ! [[ -s $PID_FILE ]]; then
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log_end_msg 1
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exit 1
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fi
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i=0
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timeout=10
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# Wait for the process to be properly started before exiting
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until { cat "$PID_FILE" | xargs kill -0; } >/dev/null 2>&1
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do
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sleep 1
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i=$(($i + 1))
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if [ $i -gt $timeout ]; then
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log_end_msg 1
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exit 1
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fi
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done
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fi
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log_end_msg $return
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;;
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stop)
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checkUser
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log_daemon_msg "Stopping $DESC"
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if [ -f "$PID_FILE" ]; then
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start-stop-daemon --stop --pidfile "$PID_FILE" \
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--user "$CC_USER" \
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--retry=TERM/20/KILL/5 >/dev/null
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if [ $? -eq 1 ]; then
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log_progress_msg "$DESC is not running but pid file exists, cleaning up"
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elif [ $? -eq 3 ]; then
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PID="`cat $PID_FILE`"
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log_failure_msg "Failed to stop $DESC (pid $PID)"
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exit 1
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fi
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rm -f "$PID_FILE"
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else
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log_progress_msg "(not running)"
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fi
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log_end_msg 0
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;;
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status)
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status_of_proc -p $PID_FILE $NAME $NAME && exit 0 || exit $?
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;;
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restart|force-reload)
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if [ -f "$PID_FILE" ]; then
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$0 stop
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sleep 1
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fi
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$0 start
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;;
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*)
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log_success_msg "Usage: $0 {start|stop|restart|force-reload|status}"
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exit 3
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;;
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esac
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