154 lines
5.6 KiB
Bash
Executable File
154 lines
5.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Copyright © 2016-2018 The Thingsboard Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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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#
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ZK_USER=${ZK_USER:-"zookeeper"}
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ZK_LOG_LEVEL=${ZK_LOG_LEVEL:-"INFO"}
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ZK_DATA_DIR=${ZK_DATA_DIR:-"/var/lib/zookeeper/data"}
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ZK_DATA_LOG_DIR=${ZK_DATA_LOG_DIR:-"/var/lib/zookeeper/log"}
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ZK_LOG_DIR=${ZK_LOG_DIR:-"var/log/zookeeper"}
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ZK_CONF_DIR=${ZK_CONF_DIR:-"/opt/zookeeper/conf"}
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ZK_CLIENT_PORT=${ZK_CLIENT_PORT:-2181}
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ZK_SERVER_PORT=${ZK_SERVER_PORT:-2888}
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ZK_ELECTION_PORT=${ZK_ELECTION_PORT:-3888}
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ZK_TICK_TIME=${ZK_TICK_TIME:-2000}
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ZK_INIT_LIMIT=${ZK_INIT_LIMIT:-10}
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ZK_SYNC_LIMIT=${ZK_SYNC_LIMIT:-5}
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ZK_HEAP_SIZE=${ZK_HEAP_SIZE:-2G}
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ZK_MAX_CLIENT_CNXNS=${ZK_MAX_CLIENT_CNXNS:-60}
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ZK_MIN_SESSION_TIMEOUT=${ZK_MIN_SESSION_TIMEOUT:- $((ZK_TICK_TIME*2))}
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ZK_MAX_SESSION_TIMEOUT=${ZK_MAX_SESSION_TIMEOUT:- $((ZK_TICK_TIME*20))}
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ZK_SNAP_RETAIN_COUNT=${ZK_SNAP_RETAIN_COUNT:-3}
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ZK_PURGE_INTERVAL=${ZK_PURGE_INTERVAL:-0}
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ID_FILE="$ZK_DATA_DIR/myid"
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ZK_CONFIG_FILE="$ZK_CONF_DIR/zoo.cfg"
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LOGGER_PROPS_FILE="$ZK_CONF_DIR/log4j.properties"
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JAVA_ENV_FILE="$ZK_CONF_DIR/java.env"
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HOST=`hostname -s`
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DOMAIN=`hostname -d`
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function print_servers() {
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for (( i=1; i<=$ZK_REPLICAS; i++ ))
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do
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echo "server.$i=$NAME-$((i-1)).$DOMAIN:$ZK_SERVER_PORT:$ZK_ELECTION_PORT"
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done
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}
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function validate_env() {
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echo "Validating environment"
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if [ -z $ZK_REPLICAS ]; then
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echo "ZK_REPLICAS is a mandatory environment variable"
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exit 1
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fi
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if [[ $HOST =~ (.*)-([0-9]+)$ ]]; then
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NAME=${BASH_REMATCH[1]}
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ORD=${BASH_REMATCH[2]}
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else
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echo "Failed to extract ordinal from hostname $HOST"
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exit 1
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fi
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MY_ID=$((ORD+1))
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echo "ZK_REPLICAS=$ZK_REPLICAS"
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echo "MY_ID=$MY_ID"
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echo "ZK_LOG_LEVEL=$ZK_LOG_LEVEL"
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echo "ZK_DATA_DIR=$ZK_DATA_DIR"
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echo "ZK_DATA_LOG_DIR=$ZK_DATA_LOG_DIR"
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echo "ZK_LOG_DIR=$ZK_LOG_DIR"
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echo "ZK_CLIENT_PORT=$ZK_CLIENT_PORT"
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echo "ZK_SERVER_PORT=$ZK_SERVER_PORT"
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echo "ZK_ELECTION_PORT=$ZK_ELECTION_PORT"
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echo "ZK_TICK_TIME=$ZK_TICK_TIME"
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echo "ZK_INIT_LIMIT=$ZK_INIT_LIMIT"
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echo "ZK_SYNC_LIMIT=$ZK_SYNC_LIMIT"
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echo "ZK_MAX_CLIENT_CNXNS=$ZK_MAX_CLIENT_CNXNS"
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echo "ZK_MIN_SESSION_TIMEOUT=$ZK_MIN_SESSION_TIMEOUT"
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echo "ZK_MAX_SESSION_TIMEOUT=$ZK_MAX_SESSION_TIMEOUT"
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echo "ZK_HEAP_SIZE=$ZK_HEAP_SIZE"
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echo "ZK_SNAP_RETAIN_COUNT=$ZK_SNAP_RETAIN_COUNT"
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echo "ZK_PURGE_INTERVAL=$ZK_PURGE_INTERVAL"
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echo "ENSEMBLE"
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print_servers
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echo "Environment validation successful"
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}
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function create_config() {
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rm -f $ZK_CONFIG_FILE
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echo "Creating ZooKeeper configuration"
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echo "#This file was autogenerated by zk DO NOT EDIT" >> $ZK_CONFIG_FILE
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echo "clientPort=$ZK_CLIENT_PORT" >> $ZK_CONFIG_FILE
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echo "dataDir=$ZK_DATA_DIR" >> $ZK_CONFIG_FILE
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echo "dataLogDir=$ZK_DATA_LOG_DIR" >> $ZK_CONFIG_FILE
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echo "tickTime=$ZK_TICK_TIME" >> $ZK_CONFIG_FILE
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echo "initLimit=$ZK_INIT_LIMIT" >> $ZK_CONFIG_FILE
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echo "syncLimit=$ZK_SYNC_LIMIT" >> $ZK_CONFIG_FILE
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echo "maxClientCnxns=$ZK_MAX_CLIENT_CNXNS" >> $ZK_CONFIG_FILE
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echo "minSessionTimeout=$ZK_MIN_SESSION_TIMEOUT" >> $ZK_CONFIG_FILE
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echo "maxSessionTimeout=$ZK_MAX_SESSION_TIMEOUT" >> $ZK_CONFIG_FILE
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echo "autopurge.snapRetainCount=$ZK_SNAP_RETAIN_COUNT" >> $ZK_CONFIG_FILE
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echo "autopurge.purgeInteval=$ZK_PURGE_INTERVAL" >> $ZK_CONFIG_FILE
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if [ $ZK_REPLICAS -gt 1 ]; then
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print_servers >> $ZK_CONFIG_FILE
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fi
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echo "Wrote ZooKeeper configuration file to $ZK_CONFIG_FILE"
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}
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function create_data_dirs() {
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echo "Creating ZooKeeper data directories and setting permissions"
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if [ ! -d $ZK_DATA_DIR ]; then
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mkdir -p $ZK_DATA_DIR
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chown -R $ZK_USER:$ZK_USER $ZK_DATA_DIR
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fi
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if [ ! -d $ZK_DATA_LOG_DIR ]; then
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mkdir -p $ZK_DATA_LOG_DIR
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chown -R $ZK_USER:$ZK_USER $ZK_DATA_LOG_DIR
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fi
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if [ ! -d $ZK_LOG_DIR ]; then
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mkdir -p $ZK_LOG_DIR
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chown -R $ZK_USER:$ZK_USER $ZK_LOG_DIR
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fi
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if [ ! -f $ID_FILE ]; then
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echo $MY_ID >> $ID_FILE
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fi
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echo "Created ZooKeeper data directories and set permissions in $ZK_DATA_DIR"
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}
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function create_log_props () {
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rm -f $LOGGER_PROPS_FILE
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echo "Creating ZooKeeper log4j configuration"
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echo "zookeeper.root.logger=CONSOLE" >> $LOGGER_PROPS_FILE
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echo "zookeeper.console.threshold="$ZK_LOG_LEVEL >> $LOGGER_PROPS_FILE
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echo "log4j.rootLogger=\${zookeeper.root.logger}" >> $LOGGER_PROPS_FILE
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echo "log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender" >> $LOGGER_PROPS_FILE
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echo "log4j.appender.CONSOLE.Threshold=\${zookeeper.console.threshold}" >> $LOGGER_PROPS_FILE
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echo "log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout" >> $LOGGER_PROPS_FILE
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echo "log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} [myid:%X{myid}] - %-5p [%t:%C{1}@%L] - %m%n" >> $LOGGER_PROPS_FILE
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echo "Wrote log4j configuration to $LOGGER_PROPS_FILE"
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}
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function create_java_env() {
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rm -f $JAVA_ENV_FILE
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echo "Creating JVM configuration file"
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echo "ZOO_LOG_DIR=$ZK_LOG_DIR" >> $JAVA_ENV_FILE
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echo "JVMFLAGS=\"-Xmx$ZK_HEAP_SIZE -Xms$ZK_HEAP_SIZE\"" >> $JAVA_ENV_FILE
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echo "Wrote JVM configuration to $JAVA_ENV_FILE"
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}
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validate_env && create_config && create_log_props && create_data_dirs && create_java_env
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