分布式调度框架。
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#!/bin/sh
#
# 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.
#
usage="Usage: dolphinscheduler-daemon.sh (start|stop) <command> "
# if no args specified, show usage
if [ $# -le 1 ]; then
echo $usage
exit 1
fi
startStop=$1
shift
command=$1
shift
echo "Begin $startStop $command......"
BIN_DIR=`dirname $0`
BIN_DIR=`cd "$BIN_DIR"; pwd`
DOLPHINSCHEDULER_HOME=$BIN_DIR/..
export HOSTNAME=`hostname`
DOLPHINSCHEDULER_LIB_JARS={{dolphin_lib_jars}}
DOLPHINSCHEDULER_OPTS="-server -Xmx16g -Xms1g -Xss512k -XX:+UseConcMarkSweepGC -XX:+CMSParallelRemarkEnabled -XX:LargePageSizeInBytes=10m -XX:+UseFastAccessorMethods -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=70"
STOP_TIMEOUT=5
log={{dolphin_log_dir}}/dolphinscheduler-$command-$HOSTNAME.out
pid={{dolphin_pidfile_dir}}/$command.pid
cd $DOLPHINSCHEDULER_HOME
if [ "$command" = "api-server" ]; then
LOG_FILE="-Dlogging.config={{dolphin_conf_dir}}/logback-api.xml -Dspring.profiles.active=api"
CLASS=org.apache.dolphinscheduler.api.ApiApplicationServer
elif [ "$command" = "master-server" ]; then
LOG_FILE="-Dlogging.config={{dolphin_conf_dir}}/logback-master.xml"
CLASS=org.apache.dolphinscheduler.server.master.MasterServer
elif [ "$command" = "worker-server" ]; then
LOG_FILE="-Dlogging.config={{dolphin_conf_dir}}/logback-worker.xml"
CLASS=org.apache.dolphinscheduler.server.worker.WorkerServer
elif [ "$command" = "alert-server" ]; then
LOG_FILE="-Dlogging.config={{dolphin_conf_dir}}/logback-alert.xml"
CLASS=org.apache.dolphinscheduler.alert.AlertServer
elif [ "$command" = "logger-server" ]; then
CLASS=org.apache.dolphinscheduler.server.log.LoggerServer
else
echo "Error: No command named \`$command' was found."
exit 1
fi
case $startStop in
(start)
if [ -f $pid ]; then
if kill -0 `cat $pid` > /dev/null 2>&1; then
echo $command running as process `cat $pid`. Stop it first.
exit 1
fi
fi
echo starting $command, logging to $log
exec_command="$LOG_FILE $DOLPHINSCHEDULER_OPTS -classpath {{dolphin_conf_dir}}:{{dolphin_lib_jars}} $CLASS"
echo "nohup java $exec_command > $log 2>&1 < /dev/null &"
nohup java $exec_command > $log 2>&1 < /dev/null &
echo $! > $pid
;;
(stop)
if [ -f $pid ]; then
TARGET_PID=`cat $pid`
if kill -0 $TARGET_PID > /dev/null 2>&1; then
echo stopping $command
kill $TARGET_PID
sleep $STOP_TIMEOUT
if kill -0 $TARGET_PID > /dev/null 2>&1; then
echo "$command did not stop gracefully after $STOP_TIMEOUT seconds: killing with kill -9"
kill -9 $TARGET_PID
fi
else
echo no $command to stop
fi
rm -f $pid
else
echo no $command to stop
fi
;;
(*)
echo $usage
exit 1
;;
esac
echo "End $startStop $command."