#!/bin/bash
# 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: bk.sh <broker ID> <public hostname or IP> <list zookeeper public hostname or IP + port>

set -e

BROKER_ID=$1
PUBLIC_ADDRESS=$2
PUBLIC_ZOOKEEPER_ADDRESSES=$3
JMX_PORT=$4

DEPLOY_WP=false
DEPLOY_BK=false

if [ -z $DEPLOY_BOTH ] && [ ! -z $DEPLOY_BK ]; then
  DEPLOY_BK=true
fi

if [ -z $DEPLOY_BOTH ] && [ ! -z $DEPLOY_WP ]; then
  DEPLOY_WP=true
fi

if [ ! -z $DEPLOY_BOTH ]; then
 DEPLOY_BK=true
 DEPLOY_WP=true
fi

log_dir=/opt/distributedlog-trunk/dist/release
cd $log_dir

#Stop the running bookie
echo "Killing bookkeeper server"
./distributedlog-service/bin/dlog-daemon.sh stop bookie

cp ./distributedlog-service/conf/bookie.conf.template ./distributedlog-service/conf/bookie-$BROKER_ID.conf

sed \
  -e 's/zkServers=localhost:2181/'zkServers=$PUBLIC_ZOOKEEPER_ADDRESSES'/' \
  ./distributedlog-service/conf/bookie.conf.template > ./distributedlog-service/conf/bookie-$BROKER_ID.conf

sleep 5

if [ $DEPLOY_BK == true ]; then
  if [ $BROKER_ID -eq "1" ]; then
    echo "create /messaging" | ./distributedlog-service/bin/dlog zkshell $PUBLIC_ZOOKEEPER_ADDRESSES
    echo "create /messaging/bookkeeper" | ./distributedlog-service/bin/dlog zkshell $PUBLIC_ZOOKEEPER_ADDRESSES
    echo "create /messaging/bookkeeper/ledgers" | ./distributedlog-service/bin/dlog zkshell $PUBLIC_ZOOKEEPER_ADDRESSES
    echo "Metaformatting bookie"
    export BOOKIE_CONF=$log_dir/distributedlog-service/conf/bookie-$BROKER_ID.conf
    ./distributedlog-service/bin/dlog bkshell metaformat -n -f
  fi

  echo "Configuring bookkeeper"
  BOOKIE_CONF=$log_dir/distributedlog-service/conf/bookie-$BROKER_ID.conf ./distributedlog-service/bin/dlog bkshell bookieformat

  echo "Starting server"
  SERVICE_PORT=3181 ./distributedlog-service/bin/dlog-daemon.sh start bookie -c $log_dir/distributedlog-service/conf/bookie-$BROKER_ID.conf

  if [ $BROKER_ID -eq "1" ]; then
    ./distributedlog-service/bin/dlog admin bind \
      -dlzr $PUBLIC_ZOOKEEPER_ADDRESSES \
      -dlzw $PUBLIC_ZOOKEEPER_ADDRESSES \
      -s $PUBLIC_ZOOKEEPER_ADDRESSES \
      -bkzr $PUBLIC_ZOOKEEPER_ADDRESSES \
      -l /messaging/bookkeeper/ledgers \
      -i false \
      -r true \
      -c distributedlog://$PUBLIC_ZOOKEEPER_ADDRESSES/messaging/distributedlog/mynamespace
  fi
fi

if [ $DEPLOY_WP == true ]; then
  WP_NAMESPACE=distributedlog://$PUBLIC_ZOOKEEPER_ADDRESSES/messaging/distributedlog/mynamespace \
    WP_SHARD_ID=$BROKER_ID \
    WP_SERVICE_PORT=4181 \
    WP_STATS_PORT=20001 \
    ./distributedlog-service/bin/dlog-daemon.sh start writeproxy
fi