#!/bin/sh
#
# 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.

# postinst script for hive

set -e

case "$1" in
    configure)
        chown hive:hive -R /var/run/hive /var/log/hive

        # Install config alternatives
        update-alternatives  --install /etc/hive/conf hive-conf /etc/hive/conf.dist 30

        # Set up directories on HDFS
        # TODO(todd) should this stuff be something like "hive create-warehosue"?
        su -s /bin/bash - ${hadoop_username} -c 'hadoop fs -mkdir       /tmp' 1>/dev/null 2>/dev/null || :
        su -s /bin/bash - ${hadoop_username} -c 'hadoop fs -mkdir       /user/hive/warehouse' 1>/dev/null 2>/dev/null || :
        su -s /bin/bash - ${hadoop_username} -c 'hadoop fs -chmod g+w   /tmp' 1>/dev/null 2>/dev/null || :
        su -s /bin/bash - ${hadoop_username} -c 'hadoop fs -chmod g+w   /user/hive/warehouse' 1>/dev/null 2>/dev/null || :

        # Ensure sticky bit on metastore dir - debian likes this to be done in postinst rather than the package
        chmod 1777 /var/lib/hive/metastore

        if [ "$2" ]; then
          old_metastore="/var/lib/hive/metastore/\${user.name}_db"
          new_metastore="/var/lib/hive/metastore/metastore_db"
          if [ -d $old_metastore ]; then
            mv $old_metastore $new_metastore || echo "Failed to automatically rename old metastore. Make sure to resolve this before running Hive."
          fi
        fi
    ;;

    abort-upgrade|abort-remove|abort-deconfigure)
    ;;

    *)
        echo "postinst called with unknown argument \`$1'" >&2
        exit 1
    ;;
esac

#DEBHELPER#