lens-dist/src/deb/control/server-control/postinst

#!/usr/bin/env 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.
#

# Postinst script for lens

manage_war_expansion () {

    # Lens Server war is expanded into lens server directory.

    WEB_APP_DIR=${mvn.lens.webapp.dir}
    LENS_SERVER_DIR=${mvn.lens.server.dir}

    #   1. Remove lens server directory and its contents
    rm -rf $LENS_SERVER_DIR

    #   2. Recreate lens server directory
    mkdir -p $LENS_SERVER_DIR

    #   3. Expand the newly installed war in lens server directory
    cd $LENS_SERVER_DIR
    if [ $? -ne 0 ]; then
        echo "Could not change directory to->"$LENS_SERVER_DIR
        return 1
    fi

    jar -xf $WEB_APP_DIR/lens-server.war

    if [ $? -ne 0 ]; then
        echo "War expansion failed"
        return 1
    fi

    cd $OLDPWD
    if [ $? -ne 0 ]; then
        echo "Could not move back from the changed directory"
        return 1
    fi

    return 0

}

manage_war_expansion

if [ $? -ne 0 ]; then
    echo "Debian installation unsuccessful"
    exit 1
fi

exit 0