| #!/usr/bin/env bash |
| |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific |
| |
| # chkconfig: 2345 80 05 |
| # description: Grafana web server & backend |
| # processname: grafana |
| # config: /etc/grafana/ams-grafana.ini |
| # pidfile: /var/run/ambari-metrics-grafana.pid |
| |
| ### BEGIN INIT INFO |
| # Provides: grafana |
| # Required-Start: $all |
| # Required-Stop: $remote_fs $syslog |
| # Default-Start: 2 3 4 5 |
| # Default-Stop: 0 1 6 |
| # Short-Description: Start grafana at boot time |
| ### END INIT INFO |
| |
| # tested on |
| # 1. New lsb that define start-stop-daemon |
| # 3. Centos with initscripts package installed |
| |
| PATH=/bin:/usr/bin:/sbin:/usr/sbin |
| NAME=grafana-server |
| DESC="Ambari Metrics Grafana" |
| CONF_DIR=/etc/ambari-metrics-grafana/conf |
| |
| # execute ams-grafana-env.sh |
| if [[ -f "${CONF_DIR}/ams-grafana-env.sh" ]]; then |
| . "${CONF_DIR}/ams-grafana-env.sh" |
| else |
| echo "ERROR: Cannot execute ${CONF_DIR}/ams-grafana-env.sh." 2>&1 |
| exit 1 |
| fi |
| |
| GRAFANA_HOME=${AMS_GRAFANA_HOME_DIR} |
| WORK_DIR=$GRAFANA_HOME |
| DATA_DIR=${AMS_GRAFANA_DATA_DIR} |
| LOG_DIR=${AMS_GRAFANA_LOG_DIR} |
| LOG_FILE=$LOG_DIR/grafana.log |
| CONF_FILE=$CONF_DIR/ams-grafana.ini |
| MAX_OPEN_FILES=10000 |
| PID_FILE=${AMS_GRAFANA_PID_DIR}/$NAME.pid |
| DAEMON=$GRAFANA_HOME/bin/$NAME |
| OUT_FILE=${AMS_GRAFANA_LOG_DIR}/grafana.out |
| STOP_TIMEOUT=5 |
| |
| #if [ `id -u` -ne 0 ]; then |
| # echo "You need root privileges to run this script" |
| # exit 4 |
| #fi |
| |
| if [ ! -x $DAEMON ]; then |
| echo "Program not installed or not executable" |
| exit 5 |
| fi |
| |
| # |
| # init.d / servicectl compatibility (openSUSE) |
| # |
| # if [ -f /etc/rc.status ]; then |
| # . /etc/rc.status |
| # rc_reset |
| # fi |
| |
| # |
| # Source function library. |
| # |
| # if [ -f /etc/rc.d/init.d/functions ]; then |
| # . /etc/rc.d/init.d/functions |
| # fi |
| |
| # overwrite settings from default file |
| # [ -e /etc/sysconfig/$NAME ] && . /etc/sysconfig/$NAME |
| |
| DAEMON_OPTS="--pidfile=${PID_FILE} --config=${CONF_FILE} cfg:default.paths.data=${DATA_DIR} cfg:default.paths.logs=${LOG_DIR}" |
| |
| function isRunning() { |
| status -p $PID_FILE $NAME > /dev/null 2>&1 |
| } |
| |
| case "$1" in |
| start) |
| echo $"$(date) Starting $DESC: .... " >> $LOG_FILE |
| |
| isRunning |
| if [ $? -eq 0 ]; then |
| echo "Already running." >> $LOG_FILE |
| exit 0 |
| fi |
| |
| # Prepare environment |
| # mkdir -p "$LOG_DIR" "$DATA_DIR" && chown "$GRAFANA_USER":"$GRAFANA_GROUP" "$LOG_DIR" "$DATA_DIR" |
| touch "$PID_FILE" && chown "$GRAFANA_USER":"$GRAFANA_GROUP" "$PID_FILE" |
| |
| # if [ -n "$MAX_OPEN_FILES" ]; then |
| # ulimit -n $MAX_OPEN_FILES |
| # fi |
| |
| # Start Daemon |
| cd $GRAFANA_HOME |
| nohup ${DAEMON} ${DAEMON_OPTS} > $OUT_FILE 2>&1 & |
| return=$? |
| if [ $return -eq 0 ] |
| then |
| for i in {1..10} |
| do |
| sleep 2 |
| # check if pid file has been written to |
| if [ -s $PID_FILE ]; then |
| echo " $(date) pid_file has been written to" >> $LOG_FILE |
| break |
| else |
| echo " $(date) pid_file not yet written to" >> $LOG_FILE |
| fi |
| done |
| if ! [[ -s $PID_FILE ]]; then |
| echo " $(date) Start FAILED because daemon did not write pid in pid_file after 20 seconds" >> $LOG_FILE |
| exit 1 |
| fi |
| i=0 |
| timeout=60 |
| # Wait for the process to be properly started before exiting |
| until { cat "$PID_FILE" | xargs kill -0; } >/dev/null 2>&1 |
| do |
| sleep 1 |
| i=$(($i + 1)) |
| if [ $i -gt $timeout ]; then |
| echo "FAILED" |
| exit 1 |
| fi |
| done |
| fi |
| |
| echo "OK" >> $LOG_FILE |
| exit $return |
| ;; |
| stop) |
| echo -n "Stopping $DESC ..." >> $LOG_FILE |
| |
| if [ -f "$PID_FILE" ]; then |
| pid=$(cat "$PID_FILE") |
| |
| kill "${pid}" >/dev/null 2>&1 |
| sleep "${STOP_TIMEOUT}" |
| |
| if kill -0 "${pid}" > /dev/null 2>&1; then |
| echo "WARNING: $DESC did not stop gracefully after ${STOP_TIMEOUT} seconds: Trying to kill with kill -9" >> $LOG_FILE |
| kill -9 "${pid}" >/dev/null 2>&1 |
| fi |
| |
| if ps -p "${pid}" > /dev/null 2>&1; then |
| echo "ERROR: Unable to kill ${pid}" >> $LOG_FILE |
| else |
| rm -f "$PID_FILE" >/dev/null 2>&1 |
| fi |
| echo "OK" |
| else |
| echo -n "(not running)" >> $LOG_FILE |
| fi |
| exit 0 |
| ;; |
| status) |
| status -p $PID_FILE $NAME |
| exit $? |
| ;; |
| restart|force-reload) |
| if [ -f "$PID_FILE" ]; then |
| $0 stop |
| sleep 1 |
| fi |
| $0 start |
| ;; |
| *) |
| echo "Usage: $0 {start|stop|restart|force-reload|status}" |
| exit 3 |
| ;; |
| esac |