#!/bin/bash
#    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.

# This script installs an app for nodejs: the app intended is the paypal app
# and it is configured to connect to the mongodb server
# The environment variables github_url and mongodb_ip are expected to be set up
export app_dir=/opt/app
git clone $github_url /opt/app
if [ -f /opt/app/package.json ]; then
   cd  /opt/app/ && npm install
   sed -i "s/localhost/$mongodb_ip/" config.json
fi

cat > /etc/init/nodeapp.conf <<EOS
description "node.js app"
 
start on (net-device-up
          and local-filesystems
          and runlevel [2345])
stop on runlevel [!2345]
 
expect fork
respawn
 
script
  export HOME=/
  export NODE_PATH=/usr/lib/node
  exec /usr/bin/node ${app_dir}/app.js >> /var/log/nodeapp.log 2>&1 &
end script
EOS