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druid.sh
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druid.sh
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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.
#
# NOTE: this is a 'run' script for the stock tarball
# It takes one required argument (the name of the service,
# e.g. 'broker', 'historical' etc). Any additional arguments
# are passed to that service.
#
# This script accepts JAVA_OPTS as an environment variable
#
# Additional env vars:
# - DRUID_LOG4J -- set the entire log4j.xml verbatim
# - DRUID_LOG_LEVEL -- override the default log level in default log4j. This presently works only if the existing log level is INFO
# - DRUID_SERVICE_LOG4J -- set the entire service specific log4j.xml verbatim
# - DRUID_SERVICE_LOG_LEVEL -- override the default log level in the service specific log4j. This presently works only if the existing log level is INFO
# - DRUID_XMX -- set Java Xmx
# - DRUID_XMS -- set Java Xms
# - DRUID_MAXNEWSIZE -- set Java max new size
# - DRUID_NEWSIZE -- set Java new size
# - DRUID_MAXDIRECTMEMORYSIZE -- set Java max direct memory size
#
# - DRUID_CONFIG_COMMON -- full path to a file for druid 'common' properties
# - DRUID_CONFIG_${service} -- full path to a file for druid 'service' properties
# - DRUID_SINGLE_NODE_CONF -- config to use at runtime. Choose from: {large, medium, micro-quickstart, nano-quickstart, small, xlarge}
# - DRUID_ADDITIONAL_CLASSPATH -- a list of colon-separated paths that will be added to the classpath of druid processes.
# These paths can include jars, additional configuration folders (such as HDFS config), etc.
# It is important to ensure that these paths must exist in the environment druid runs in if they are not part of the distribution.
set -e
SERVICE="$1"
echo "$(date -Is) startup service $SERVICE"
# We put all the config in /tmp/conf to allow for a
# read-only root filesystem
mkdir -p /tmp/conf/
test -d /tmp/conf/druid && rm -r /tmp/conf/druid
cp -r /opt/druid/conf/druid /tmp/conf/druid
getConfPath() {
if [ -n "$DRUID_SINGLE_NODE_CONF" ]
then
getSingleServerConfPath $1
else
getClusterConfPath $1
fi
}
getSingleServerConfPath() {
cluster_conf_base=/tmp/conf/druid/single-server
case "$1" in
_common) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/_common ;;
historical) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/historical ;;
middleManager) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/middleManager ;;
# indexer) echo $cluster_conf_base/data/indexer ;;
coordinator | overlord) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/coordinator-overlord ;;
broker) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/broker ;;
router) echo $cluster_conf_base/$DRUID_SINGLE_NODE_CONF/router ;;
*) echo $cluster_conf_base/misc/$1 ;;
esac
}
getClusterConfPath() {
cluster_conf_base=/tmp/conf/druid/cluster
case "$1" in
_common) echo $cluster_conf_base/_common ;;
historical) echo $cluster_conf_base/data/historical ;;
middleManager) echo $cluster_conf_base/data/middleManager ;;
indexer) echo $cluster_conf_base/data/indexer ;;
coordinator | overlord) echo $cluster_conf_base/master/coordinator-overlord ;;
broker) echo $cluster_conf_base/query/broker ;;
router) echo $cluster_conf_base/query/router ;;
*) echo $cluster_conf_base/misc/$1 ;;
esac
}
COMMON_CONF_DIR=$(getConfPath _common)
SERVICE_CONF_DIR=$(getConfPath ${SERVICE})
# Delete the old key (if existing) and append new key=value
setKey() {
service="$1"
key="$2"
value="$3"
service_conf=$(getConfPath $service)/runtime.properties
# Delete from all
sed -ri "/$key=/d" $COMMON_CONF_DIR/common.runtime.properties
[ -f $service_conf ] && sed -ri "/$key=/d" $service_conf
[ -f $service_conf ] && echo -e "\n$key=$value" >>$service_conf
[ -f $service_conf ] || echo -e "\n$key=$value" >>$COMMON_CONF_DIR/common.runtime.properties
echo "Setting $key=$value in $service_conf"
}
setJavaKey() {
service="$1"
key=$2
value=$3
file=$(getConfPath $service)/jvm.config
sed -ri "/$key/d" $file
echo $value >> $file
}
# This is to allow configuration via a Kubernetes configMap without
# e.g. using subPath (you can also mount the configMap on /tmp/conf/druid)
if [ -n "$DRUID_CONFIG_COMMON" ]
then
cp -f "$DRUID_CONFIG_COMMON" $COMMON_CONF_DIR/common.runtime.properties
fi
SCONFIG=$(printf "%s_%s" DRUID_CONFIG ${SERVICE})
SCONFIG=$(eval echo \$$(echo $SCONFIG))
if [ -n "${SCONFIG}" ]
then
cp -f "${SCONFIG}" $SERVICE_CONF_DIR/runtime.properties
fi
## Setup host names
if [ -n "${ZOOKEEPER}" ];
then
setKey _common druid.zk.service.host "${ZOOKEEPER}"
fi
DRUID_SET_HOST_IP=${DRUID_SET_HOST_IP:-0}
if [ "${DRUID_SET_HOST_IP}" = "1" ]
then
setKey $SERVICE druid.host $(ip r get 1 | awk '{print $7;exit}')
fi
env | grep ^druid_ | while read evar;
do
# Can't use IFS='=' to parse since var might have = in it (e.g. password)
val=$(echo "$evar" | sed -e 's?[^=]*=??')
var=$(echo "$evar" | sed -e 's?^\([^=]*\)=.*?\1?g' -e 's?__?%UNDERSCORE%?g' -e 's?_?.?g' -e 's?%UNDERSCORE%?_?g')
setKey $SERVICE "$var" "$val"
done
env |grep ^s3service | while read evar
do
val=$(echo "$evar" | sed -e 's?[^=]*=??')
var=$(echo "$evar" | sed -e 's?^\([^=]*\)=.*?\1?g' -e 's?_?.?' -e 's?_?-?g')
echo "$var=$val" >>$COMMON_CONF_DIR/jets3t.properties
done
# Now do the java options
if [ -n "$DRUID_XMX" ]; then setJavaKey ${SERVICE} -Xmx -Xmx${DRUID_XMX}; fi
if [ -n "$DRUID_XMS" ]; then setJavaKey ${SERVICE} -Xms -Xms${DRUID_XMS}; fi
if [ -n "$DRUID_MAXNEWSIZE" ]; then setJavaKey ${SERVICE} -XX:MaxNewSize -XX:MaxNewSize=${DRUID_MAXNEWSIZE}; fi
if [ -n "$DRUID_NEWSIZE" ]; then setJavaKey ${SERVICE} -XX:NewSize -XX:NewSize=${DRUID_NEWSIZE}; fi
if [ -n "$DRUID_MAXDIRECTMEMORYSIZE" ]; then setJavaKey ${SERVICE} -XX:MaxDirectMemorySize -XX:MaxDirectMemorySize=${DRUID_MAXDIRECTMEMORYSIZE}; fi
# Combine options from jvm.config and those given as JAVA_OPTS
# If a value is specified in both then JAVA_OPTS will take precedence when using OpenJDK
# However this behavior is not part of the spec and is thus implementation specific
JAVA_OPTS="$(cat $SERVICE_CONF_DIR/jvm.config | xargs) $JAVA_OPTS"
# Specify node type used for log4j2.xml
JAVA_OPTS="-Ddruid.node.type=$SERVICE $JAVA_OPTS"
if [ -n "$DRUID_LOG_LEVEL" ]
then
sed -ri 's/"info"/"'$DRUID_LOG_LEVEL'"/g' $COMMON_CONF_DIR/log4j2.xml
fi
if [ -n "$DRUID_LOG4J" ]
then
echo "$DRUID_LOG4J" >$COMMON_CONF_DIR/log4j2.xml
fi
# Service level log options can be used when the log4j2.xml file is setup in the service config directory
# instead of the common config directory
if [ -n "$DRUID_SERVICE_LOG_LEVEL" ]
then
sed -ri 's/"info"/"'$DRUID_SERVICE_LOG_LEVEL'"/g' $SERVICE_CONF_DIR/log4j2.xml
fi
if [ -n "$DRUID_SERVICE_LOG4J" ]
then
echo "$DRUID_SERVICE_LOG4J" >$SERVICE_CONF_DIR/log4j2.xml
fi
DRUID_DIRS_TO_CREATE=${DRUID_DIRS_TO_CREATE-'var/tmp var/druid/segments var/druid/indexing-logs var/druid/task var/druid/hadoop-tmp var/druid/segment-cache'}
if [ -n "${DRUID_DIRS_TO_CREATE}" ]
then
mkdir -p ${DRUID_DIRS_TO_CREATE}
fi
exec bin/run-java ${JAVA_OPTS} -cp $COMMON_CONF_DIR:$SERVICE_CONF_DIR:lib/*:$DRUID_ADDITIONAL_CLASSPATH org.apache.druid.cli.Main server $@