mirror of https://github.com/apache/druid.git
107 lines
3.0 KiB
Bash
107 lines
3.0 KiB
Bash
#!/bin/bash -eu
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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## Initialization script for druid nodes
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## Runs druid nodes as a daemon
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## Environment Variables used by this script -
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## DRUID_LIB_DIR - directory having druid jar files, default=lib
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## DRUID_CONF_DIR - directory having druid config files, default=conf/druid
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## DRUID_LOG_DIR - directory used to store druid logs, default=log
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## DRUID_PID_DIR - directory used to store pid files, default=var/druid/pids
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## HADOOP_CONF_DIR - directory used to store hadoop config files
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usage="Usage: node.sh nodeType (start|stop|status)"
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if [ $# -le 1 ]; then
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echo $usage
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exit 1
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fi
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nodeType=$1
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shift
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command=$1
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LIB_DIR="${DRUID_LIB_DIR:=lib}"
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CONF_DIR="${DRUID_CONF_DIR:=conf/druid}"
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LOG_DIR="${DRUID_LOG_DIR:=log}"
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PID_DIR="${DRUID_PID_DIR:=var/druid/pids}"
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WHEREAMI="$(dirname "$0")"
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WHEREAMI="$(cd "$WHEREAMI" && pwd)"
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JAVA_BIN_DIR="$(source "$WHEREAMI"/java-util && get_java_bin_dir)"
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pid=$PID_DIR/$nodeType.pid
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case $command in
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(start)
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if [ -f $pid ]; then
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if kill -0 `cat $pid` > /dev/null 2>&1; then
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echo $nodeType node running as process `cat $pid`. Stop it first.
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exit 1
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fi
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fi
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if [ ! -d "$PID_DIR" ]; then mkdir -p $PID_DIR; fi
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if [ ! -d "$LOG_DIR" ]; then mkdir -p $LOG_DIR; fi
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if [ -z "$JAVA_BIN_DIR" ]; then
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echo "Could not find java - please run $WHEREAMI/verify-java to confirm it is installed."
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exit 1
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fi
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JAVA="$JAVA_BIN_DIR/java"
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nohup $JAVA `cat $CONF_DIR/$nodeType/jvm.config | xargs` -cp $CONF_DIR/_common:$CONF_DIR/$nodeType:$LIB_DIR/*:$HADOOP_CONF_DIR org.apache.druid.cli.Main server $nodeType >> $LOG_DIR/$nodeType.log 2>&1 &
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nodeType_PID=$!
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echo $nodeType_PID > $pid
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echo "Started $nodeType node ($nodeType_PID)"
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;;
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(stop)
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if [ -f $pid ]; then
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TARGET_PID=`cat $pid`
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if kill -0 $TARGET_PID > /dev/null 2>&1; then
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echo Stopping process `cat $pid`...
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kill $TARGET_PID
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else
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echo No $nodeType node to stop
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fi
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rm -f $pid
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else
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echo No $nodeType node to stop
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fi
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;;
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(status)
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if [ -f $pid ]; then
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if kill -0 `cat $pid` > /dev/null 2>&1; then
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echo RUNNING
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exit 0
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else
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echo STOPPED
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fi
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else
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echo STOPPED
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fi
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;;
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(*)
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echo $usage
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exit 1
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;;
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esac
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