#!/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.

: ${HADOOP_HOME:=/usr/local/hadoop}

$HADOOP_HOME/etc/hadoop/hadoop-env.sh

rm /tmp/*.pid
# installing libraries if any - (resource urls added comma separated to the ACP system variable)
cd $HADOOP_HOME/share/hadoop/common ; for cp in ${ACP//,/ }; do  echo == $cp; curl -LO $cp ; done; cd -

# altering the core-site configuration
sed s/HOSTNAME/$HOSTNAME/ /usr/local/hadoop/etc/hadoop/core-site.xml.template > /usr/local/hadoop/etc/hadoop/core-site.xml


export PATH+=:$HADOOP_HOME/bin
export PATH+=:$HADOOP_HOME/sbin

start_sshd
$HADOOP_HOME/sbin/start-dfs.sh
$HADOOP_HOME/sbin/start-yarn.sh
$HADOOP_HOME/sbin/mr-jobhistory-daemon.sh start historyserver


if [ ! -e .inited ] ; then
	echo " * initialize hdfs for first run"
	wait-for-port 9000
	hdfs dfs -mkdir -p /druid/segments /quickstart /user
	hdfs dfs -chmod -R 777 /druid /quickstart /user /tmp
	hdfs dfs -put wikiticker-2015-09-12-sampled.json.gz /quickstart/wikiticker-2015-09-12-sampled.json.gz
	tar -C $HADOOP_HOME/etc/hadoop -czf /shared/hadoop-conf.tgz .
	touch .inited
fi

if [[ $1 == "-d" ]]; then
  while true; do sleep 1000; done
fi

if [[ $1 == "-bash" ]]; then
  /bin/bash
fi
