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Diffstat (limited to 'src/main/docker/scripts/start-zookeeper')
| -rw-r--r-- | src/main/docker/scripts/start-zookeeper | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/src/main/docker/scripts/start-zookeeper b/src/main/docker/scripts/start-zookeeper new file mode 100644 index 0000000..25fe466 --- /dev/null +++ b/src/main/docker/scripts/start-zookeeper @@ -0,0 +1,252 @@ +USER=`whoami` +HOST=`hostname -s` +DOMAIN=`hostname -d` +LOG_LEVEL=INFO +DATA_DIR="/var/lib/zookeeper/data" +DATA_LOG_DIR="/var/lib/zookeeper/log" +LOG_DIR="/var/log/zookeeper" +CONF_DIR="/opt/zookeeper/conf" +CLIENT_PORT=2181 +SERVER_PORT=2888 +ELECTION_PORT=3888 +TICK_TIME=2000 +INIT_LIMIT=10 +SYNC_LIMIT=5 +HEAP=2G +MAX_CLIENT_CNXNS=60 +SNAP_RETAIN_COUNT=3 +PURGE_INTERVAL=0 +SERVERS=1 + +function print_usage() { +echo "\ +Usage: start-zookeeper [OPTIONS] +Starts a ZooKeeper server based on the supplied options. + --servers The number of servers in the ensemble. The default + value is 1. + + --data_dir The directory where the ZooKeeper process will store its + snapshots. The default is /var/lib/zookeeper/data. + + --data_log_dir The directory where the ZooKeeper process will store its + write ahead log. The default is + /var/lib/zookeeper/data/log. + + --conf_dir The directoyr where the ZooKeeper process will store its + configuration. The default is /opt/zookeeper/conf. + + --client_port The port on which the ZooKeeper process will listen for + client requests. The default is 2181. + + --election_port The port on which the ZooKeeper process will perform + leader election. The default is 3888. + + --server_port The port on which the ZooKeeper process will listen for + requests from other servers in the ensemble. The + default is 2888. + + --tick_time The length of a ZooKeeper tick in ms. The default is + 2000. + + --init_limit The number of Ticks that an ensemble member is allowed + to perform leader election. The default is 10. + + --sync_limit The maximum session timeout that the ensemble will + allows a client to request. The default is 5. + + --heap The maximum amount of heap to use. The format is the + same as that used for the Xmx and Xms parameters to the + JVM. e.g. --heap=2G. The default is 2G. + + --max_client_cnxns The maximum number of client connections that the + ZooKeeper process will accept simultaneously. The + default is 60. + + --snap_retain_count The maximum number of snapshots the ZooKeeper process + will retain if purge_interval is greater than 0. The + default is 3. + + --purge_interval The number of hours the ZooKeeper process will wait + between purging its old snapshots. If set to 0 old + snapshots will never be purged. The default is 0. + + --max_session_timeout The maximum time in milliseconds for a client session + timeout. The default value is 2 * tick time. + + --min_session_timeout The minimum time in milliseconds for a client session + timeout. The default value is 20 * tick time. + + --log_level The log level for the zookeeeper server. Either FATAL, + ERROR, WARN, INFO, DEBUG. The default is INFO. + + --pre_alloc_size Allocates space in the transaction log file in blocks of preAllocSize kilobytes. + The default block size is 64M. +" +} + +function create_data_dirs() { + if [ ! -d $DATA_DIR ]; then + mkdir -p $DATA_DIR + chown -R $USER:$USER $DATA_DIR + fi + + if [ ! -d $DATA_LOG_DIR ]; then + mkdir -p $DATA_LOG_DIR + chown -R $USER:USER $DATA_LOG_DIR + fi + + if [ ! -d $LOG_DIR ]; then + mkdir -p $LOG_DIR + chown -R $USER:$USER $LOG_DIR + fi + if [ ! -f $ID_FILE ] && [ $SERVERS -gt 1 ]; then + echo $MY_ID >> $ID_FILE + fi +} + +function print_servers() { + for (( i=1; i<=$SERVERS; i++ )) + do + echo "server.$i=$NAME-$((i-1)).$DOMAIN:$SERVER_PORT:$ELECTION_PORT" + done +} + +function create_config() { + rm -f $CONFIG_FILE + echo "#This file was autogenerated DO NOT EDIT" >> $CONFIG_FILE + echo "clientPort=$CLIENT_PORT" >> $CONFIG_FILE + echo "dataDir=$DATA_DIR" >> $CONFIG_FILE + echo "dataLogDir=$DATA_LOG_DIR" >> $CONFIG_FILE + echo "tickTime=$TICK_TIME" >> $CONFIG_FILE + echo "initLimit=$INIT_LIMIT" >> $CONFIG_FILE + echo "syncLimit=$SYNC_LIMIT" >> $CONFIG_FILE + echo "maxClientCnxns=$MAX_CLIENT_CNXNS" >> $CONFIG_FILE + echo "minSessionTimeout=$MIN_SESSION_TIMEOUT" >> $CONFIG_FILE + echo "maxSessionTimeout=$MAX_SESSION_TIMEOUT" >> $CONFIG_FILE + echo "autopurge.snapRetainCount=$SNAP_RETAIN_COUNT" >> $CONFIG_FILE + echo "autopurge.purgeInteval=$PURGE_INTERVAL" >> $CONFIG_FILE + echo "preAllocSize=$PRE_ALLOC_SIZE" >> $CONFIG_FILE + if [ $SERVERS -gt 1 ]; then + print_servers >> $CONFIG_FILE + fi + cat $CONFIG_FILE >&2 +} + +function create_jvm_props() { + rm -f $JAVA_ENV_FILE + echo "ZOO_LOG_DIR=$LOG_DIR" >> $JAVA_ENV_FILE + echo "JVMFLAGS=\"-Xmx$HEAP -Xms$HEAP\"" >> $JAVA_ENV_FILE +} + +function create_log_props() { + rm -f $LOGGER_PROPS_FILE + echo "Creating ZooKeeper log4j configuration" + echo "zookeeper.root.logger=CONSOLE" >> $LOGGER_PROPS_FILE + echo "zookeeper.console.threshold="$LOG_LEVEL >> $LOGGER_PROPS_FILE + echo "log4j.rootLogger=\${zookeeper.root.logger}" >> $LOGGER_PROPS_FILE + echo "log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender" >> $LOGGER_PROPS_FILE + echo "log4j.appender.CONSOLE.Threshold=\${zookeeper.console.threshold}" >> $LOGGER_PROPS_FILE + echo "log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout" >> $LOGGER_PROPS_FILE + echo "log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} [myid:%X{myid}] - %-5p [%t:%C{1}@%L] - %m%n" >> $LOGGER_PROPS_FILE +} + +optspec=":hv-:" +while getopts "$optspec" optchar; do + + case "${optchar}" in + -) + case "${OPTARG}" in + servers=*) + SERVERS=${OPTARG##*=} + ;; + data_dir=*) + DATA_DIR=${OPTARG##*=} + ;; + data_log_dir=*) + DATA_LOG_DIR=${OPTARG##*=} + ;; + log_dir=*) + LOG_DIR=${OPTARG##*=} + ;; + conf_dir=*) + CONF_DIR=${OPTARG##*=} + ;; + client_port=*) + CLIENT_PORT=${OPTARG##*=} + ;; + election_port=*) + ELECTION_PORT=${OPTARG##*=} + ;; + server_port=*) + SERVER_PORT=${OPTARG##*=} + ;; + tick_time=*) + TICK_TIME=${OPTARG##*=} + ;; + init_limit=*) + INIT_LIMIT=${OPTARG##*=} + ;; + sync_limit=*) + SYNC_LIMIT=${OPTARG##*=} + ;; + heap=*) + HEAP=${OPTARG##*=} + ;; + max_client_cnxns=*) + MAX_CLIENT_CNXNS=${OPTARG##*=} + ;; + snap_retain_count=*) + SNAP_RETAIN_COUNT=${OPTARG##*=} + ;; + purge_interval=*) + PURGE_INTERVAL=${OPTARG##*=} + ;; + max_session_timeout=*) + MAX_SESSION_TIMEOUT=${OPTARG##*=} + ;; + min_session_timeout=*) + MIN_SESSION_TIMEOUT=${OPTARG##*=} + ;; + log_level=*) + LOG_LEVEL=${OPTARG##*=} + ;; + pre_alloc_size=*) + PRE_ALLOC_SIZE=${OPTARG##*=} + ;; + *) + echo "Unknown option --${OPTARG}" >&2 + exit 1 + ;; + esac;; + h) + print_usage + exit + ;; + v) + echo "Parsing option: '-${optchar}'" >&2 + ;; + *) + if [ "$OPTERR" != 1 ] || [ "${optspec:0:1}" = ":" ]; then + echo "Non-option argument: '-${OPTARG}'" >&2 + fi + ;; + esac +done + +MIN_SESSION_TIMEOUT=${MIN_SESSION_TIMEOUT:- $((TICK_TIME*2))} +MAX_SESSION_TIMEOUT=${MAX_SESSION_TIMEOUT:- $((TICK_TIME*20))} +ID_FILE="$DATA_DIR/myid" +CONFIG_FILE="$CONF_DIR/zoo.cfg" +LOGGER_PROPS_FILE="$CONF_DIR/log4j.properties" +JAVA_ENV_FILE="$CONF_DIR/java.env" +if [[ $HOST =~ (.*)-([0-9]+)$ ]]; then + NAME=${BASH_REMATCH[1]} + ORD=${BASH_REMATCH[2]} +else + echo "Fialed to parse name and ordinal of Pod" + exit 1 +fi + +MY_ID=$((ORD+1)) + +create_config && create_jvm_props && create_log_props && create_data_dirs && exec zkServer.sh start-foreground
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