bigtop-packages/src/common/kafka/kafka-server.svc

# 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.
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# limitations under the License.

DAEMON="kafka-server"
DESC="Kafka Server"
EXEC_PATH="/usr/lib/kafka/bin/kafka-server-start.sh"
SVC_USER="kafka"
WORKING_DIR="/var/lib/kafka"
DAEMON_FLAGS=""
CONF_DIR="/etc/kafka/conf"
PIDFILE="/var/run/kafka/${DAEMON}.pid"
PRIORITY=86
DEFAULTS_DIR="/etc/default/kafka"

generate_start() {

cat <<'__EOT__'
start() {
    [ -x $EXE_FILE ] || exit $ERROR_PROGRAM_NOT_INSTALLED
    log_success_msg "Starting $DESC (${DAEMON}): "

    checkstatusofproc
    status=$?
    if [ "$status" -eq "$STATUS_RUNNING" ]; then
        log_success_msg "${DESC} is running"
        exit 0
    fi

    LOG_FILE=/var/log/kafka/${DAEMON}.out
    export LOG_DIR=`dirname $LOG_FILE`

    echo "Starting $desc (kafka-server): "

    if [ -z "$KAFKA_JAVA_OPTS" ]; then
      JAVA_OPTS="-Xmx512M -server  -Dlog4j.configuration=file:$CONF_DIR/log4j.properties"
    fi

    su -s /bin/bash $SVC_USER -c "nohup $EXEC_PATH $CONF_DIR/server.properties > $LOG_FILE 2>&1 < /dev/null & "'echo $! '"> $PIDFILE"
    sleep 3

    checkstatusofproc
    RETVAL=$?
    if [ $RETVAL -eq $STATUS_RUNNING ]; then
        touch $LOCKFILE
        log_success_msg "Starting $DESC (${DAEMON}): "
    else
        log_failure_msg "Failure to start $DESC (${DAEMON}). Return value: $RETVAL"
    fi
    return $RETVAL
}
__EOT__

}

generate_stop() {

cat <<'__EOT__'
stop() {
checkstatusofproc
  if [ "$?" = "$STATUS_RUNNING" ] ; then
    if [ -f $PIDFILE ]; then
      PID=`cat $PIDFILE`
      if [ -n $PID ]; then
        kill -TERM $PID &>/dev/null
      fi
    fi
  RETVAL=$?
  else
    RETVAL=$RETVAL_SUCCESS
  fi

  if [ $RETVAL -eq $RETVAL_SUCCESS ]; then
     rm -f $LOCKFILE $PIDFILE
     log_success_msg "Stopped ${DESC}: "
  else
     log_failure_msg "Failed to stop ${DESC}. Return value: $RETVAL"
  fi
  return $RETVAL
}

__EOT__

}