embeddedwebserver/scripts/ranger-admin-services.sh

#!/bin/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 language governing permissions and
# limitations under the License.

if [[ -z $1 ]]; then
	echo "Invalid argument [$1];"
	echo "Usage: Only start | stop | restart | version, are supported."
	exit;
fi
action=$1
action=`echo $action | tr '[:lower:]' '[:upper:]'`
realScriptPath=`readlink -f $0`
realScriptDir=`dirname $realScriptPath`
XAPOLICYMGR_DIR=`(cd $realScriptDir/..; pwd)`

XAPOLICYMGR_EWS_DIR=${XAPOLICYMGR_DIR}/ews
RANGER_JAAS_LIB_DIR="${XAPOLICYMGR_EWS_DIR}/ranger_jaas"
RANGER_JAAS_CONF_DIR="${XAPOLICYMGR_EWS_DIR}/webapp/WEB-INF/classes/conf/ranger_jaas"
pidf=/var/run/ranger/rangeradmin.pid
JAVA_OPTS=" ${JAVA_OPTS} -XX:MaxPermSize=256m -Xmx1024m -Xms1024m "

if [ -f ${XAPOLICYMGR_DIR}/ews/webapp/WEB-INF/classes/conf/java_home.sh ]; then
        . ${XAPOLICYMGR_DIR}/ews/webapp/WEB-INF/classes/conf/java_home.sh
fi

for custom_env_script in `find ${XAPOLICYMGR_DIR}/ews/webapp/WEB-INF/classes/conf/ -name "ranger-admin-env*"`; do
        if [ -f $custom_env_script ]; then
                . $custom_env_script
        fi
done

if [ "$JAVA_HOME" != "" ]; then
        export PATH=$JAVA_HOME/bin:$PATH
fi

cd ${XAPOLICYMGR_EWS_DIR}
if [ -z "${RANGER_ADMIN_LOG_DIR}" ]
then
	RANGER_ADMIN_LOG_DIR=${XAPOLICYMGR_EWS_DIR}/logs
fi

start() {
	SLEEP_TIME_AFTER_START=5
	nohup  java -Dproc_rangeradmin ${JAVA_OPTS} -Dlogdir=${RANGER_ADMIN_LOG_DIR} -Dcatalina.base=${XAPOLICYMGR_EWS_DIR} -cp "${XAPOLICYMGR_EWS_DIR}/webapp/WEB-INF/classes/conf:${XAPOLICYMGR_EWS_DIR}/lib/*:${RANGER_JAAS_LIB_DIR}/*:${RANGER_JAAS_CONF_DIR}:${JAVA_HOME}/lib/*:${RANGER_HADOOP_CONF_DIR}/*:$CLASSPATH" org.apache.ranger.server.tomcat.EmbeddedServer > ${RANGER_ADMIN_LOG_DIR}/catalina.out 2>&1 &
	VALUE_OF_PID=$!
	echo "Starting Apache Ranger Admin Service"
	sleep $SLEEP_TIME_AFTER_START
	if ps -p $VALUE_OF_PID > /dev/null
	then
		echo $VALUE_OF_PID > ${pidf}
		chown ranger ${pidf}
		chmod 660 ${pidf}
		pid=`cat $pidf`
		echo "Apache Ranger Admin Service with pid ${pid} has started."
	else
		echo "Apache Ranger Admin Service failed to start!"
	fi
	exit;
}

stop(){
	WAIT_TIME_FOR_SHUTDOWN=2
	NR_ITER_FOR_SHUTDOWN_CHECK=15
	if [ -f "$pidf" ] ; then
		pid=`cat $pidf` > /dev/null 2>&1
		echo "Found Apache Ranger Admin Service with pid $pid, Stopping it..."
		nohup java ${JAVA_OPTS} -Dlogdir=${RANGER_ADMIN_LOG_DIR} -Dcatalina.base=${XAPOLICYMGR_EWS_DIR} -cp "${XAPOLICYMGR_EWS_DIR}/webapp/WEB-INF/classes/conf:${XAPOLICYMGR_EWS_DIR}/lib/*:${RANGER_JAAS_LIB_DIR}/*:${RANGER_JAAS_CONF_DIR}:${RANGER_HADOOP_CONF_DIR}/*:$CLASSPATH" org.apache.ranger.server.tomcat.StopEmbeddedServer > ${RANGER_ADMIN_LOG_DIR}/catalina.out 2>&1
		for ((i=0; i<$NR_ITER_FOR_SHUTDOWN_CHECK; i++))
                do
                        sleep $WAIT_TIME_FOR_SHUTDOWN
                        if ps -p $pid > /dev/null ; then
                                echo "Shutdown in progress. Will check after $WAIT_TIME_FOR_SHUTDOWN secs again.."
                                continue;
                        else
                                break;
                        fi
                done
		# if process is still around, use kill -9
		if ps -p $pid > /dev/null ; then
			echo "Initial kill failed, getting serious now..."
			kill -9 $pid
		fi
		sleep 1 #give kill -9  sometime to "kill"
		if ps -p $pid > /dev/null ; then
			echo "Wow, even kill -9 failed, giving up! Sorry.."
			exit 1
		else
			rm -rf $pidf
			echo "Apache Ranger Admin Service with pid ${pid} has been stopped."
		fi
	else
		echo "Apache Ranger Admin Service is not running"
	fi
}
if [ "${action}" == "START" ]; then
	if [ -f "$pidf" ] ; then
		pid=`cat $pidf`
		if  ps -p $pid > /dev/null
		then
			echo "Apache Ranger Admin Service is already running [pid={$pid}]"
			exit 1
		else
			rm -rf $pidf
			start;
		fi
    else
		start;
	fi
elif [ "${action}" == "STOP" ]; then
	stop;
	exit;
elif [ "${action}" == "RESTART" ]; then
	echo "Restarting Apache Ranger Admin"
	stop;
	start;
elif [ "${action}" == "VERSION" ]; then
	cd ${XAPOLICYMGR_EWS_DIR}/webapp/WEB-INF/lib
	java -cp ranger-util-*.jar org.apache.ranger.common.RangerVersionInfo
	exit;
else
    echo "Invalid argument [$1];"
    echo "Usage: Only start | stop | restart | version, are supported."
    exit;
fi