#!/bin/bash
#*******************************************************************************
#  ============LICENSE_START=======================================================
#  org.onap.dmaap
#  ================================================================================
#  Copyright © 2017 AT&T Intellectual Property. All rights reserved.
#  ================================================================================
#  Licensed 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.
#  ============LICENSE_END=========================================================
#
#  ECOMP is a trademark and service mark of AT&T Intellectual Property.
#  
#*******************************************************************************


if [[ -z "$START_TIMEOUT" ]]; then
    START_TIMEOUT=600
fi

start_timeout_exceeded=false
count=0
step=10
while netstat -lnt | awk '$4 ~ /:'$KAFKA_PORT'$/ {exit 1}'; do
    echo "waiting for kafka to be ready"
    sleep $step;
    count=$(expr $count + $step)
    if [ $count -gt $START_TIMEOUT ]; then
        start_timeout_exceeded=true
        break
    fi
done

if $start_timeout_exceeded; then
    echo "Not able to auto-create topic (waited for $START_TIMEOUT sec)"
    exit 1
fi

if [[ -n $KAFKA_CREATE_TOPICS ]]; then
    IFS=','; for topicToCreate in $KAFKA_CREATE_TOPICS; do
        echo "creating topics: $topicToCreate" 
        IFS=':' read -a topicConfig <<< "$topicToCreate"
        JMX_PORT='' $KAFKA_HOME/bin/kafka-topics.sh --create --zookeeper $KAFKA_ZOOKEEPER_CONNECT --replication-factor ${topicConfig[2]} --partition ${topicConfig[1]} --topic "${topicConfig[0]}"
    done
fi