#!/bin/bash -eu

# 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.

if [ "$#" -gt 2 ] || [ "$#" -eq 0 ]
then
  >&2 echo "usage: $0 <service> [conf-dir]"
  exit 1
fi

PWD="$(pwd)"
WHEREAMI="$(dirname "$0")"
WHATAMI="$1"

if [ "$#" -eq 1 ]
then
  CONFDIR="$WHEREAMI/../conf"
else
  CONFDIR="$2"
fi

CONFDIR="$(cd "$CONFDIR" && pwd)"
WHEREAMI="$(cd "$WHEREAMI" && pwd)"
JAVA_BIN="$(source "$WHEREAMI"/java-util && get_java_bin_dir)"
if [ -z "$JAVA_BIN" ]; then
  >&2 echo "Could not find java - please run $WHEREAMI/verify-java to confirm it is installed."
  exit 1
fi
cd "$WHEREAMI/.."
exec "$JAVA_BIN"/java `cat "$CONFDIR"/"$WHATAMI"/jvm.config | xargs` \
  -cp "$CONFDIR"/"$WHATAMI":"$CONFDIR"/_common:"$CONFDIR"/_common/hadoop-xml:"$CONFDIR"/../_common:"$CONFDIR"/../_common/hadoop-xml:"$WHEREAMI/../lib/*" \
  `cat "$CONFDIR"/$WHATAMI/main.config | xargs`