#!/bin/bash
# Copyright 2015-2016 AT&T Intellectual Property, Inc
#  
# 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 sets up the OpenStack CLI environment variables.
# Prerequisites: 
# - OPFNV installed via JOID or Apex
# - For Apex installs, on the jumphost, ssh to the undercloud VM and
#     $ su stack
# $ cd ~
# $ wget https://git.opnfv.org/cgit/copper/plain/components/congress/install/bash/setenv.sh
# $ bash setenv.sh

dist=`grep DISTRIB_ID /etc/*-release | awk -F '=' '{print $2}'`

if [ "$dist" == "Ubuntu" ]; then
  # Ubuntu
  echo "Ubuntu-based install"
  echo "Create the environment file"
  KEYSTONE_HOST=$(juju status --format=short | awk "/keystone\/0/ { print \$3 }")
  cat <<EOF >~/env.sh
export CONGRESS_HOST=$(juju status --format=short | awk "/openstack-dashboard/ { print \$3 }")
export HORIZON_HOST=$(juju status --format=short | awk "/openstack-dashboard/ { print \$3 }")
export KEYSTONE_HOST=$KEYSTONE_HOST
export CEILOMETER_HOST=$(juju status --format=short | awk "/ceilometer\/0/ { print \$3 }")
export CINDER_HOST=$(juju status --format=short | awk "/cinder\/0/ { print \$3 }")
export GLANCE_HOST=$(juju status --format=short | awk "/glance\/0/ { print \$3 }")
export NEUTRON_HOST=$(juju status --format=short | awk "/neutron-api\/0/ { print \$3 }")
export NOVA_HOST=$(juju status --format=short | awk "/nova-cloud-controller\/0/ { print \$3 }")
export OS_USERNAME=admin
export OS_PASSWORD=openstack
export OS_TENANT_NAME=admin
export OS_AUTH_URL=http://$KEYSTONE_HOST:5000/v2.0
export OS_REGION_NAME=Canonical
EOF
else
  # Centos
  echo "Centos-based install"
  echo "Setup undercloud environment so we can get overcloud Controller server address"
  source ~/stackrc
  echo "Get address of Controller node"
  export CONTROLLER_HOST1=$(openstack server list | awk "/overcloud-controller-0/ { print \$8 }" | sed 's/ctlplane=//g')
  echo "Create the environment file"
  cat <<EOF >~/env.sh
export CONGRESS_HOST=$CONTROLLER_HOST1
export KEYSTONE_HOST=$CONTROLLER_HOST1
export CEILOMETER_HOST=$CONTROLLER_HOST1
export CINDER_HOST=$CONTROLLER_HOST1
export GLANCE_HOST=$CONTROLLER_HOST1
export NEUTRON_HOST=$CONTROLLER_HOST1
export NOVA_HOST=$CONTROLLER_HOST1
EOF
  cat ~/overcloudrc >>~/env.sh
  source ~/overcloudrc
  export OS_REGION_NAME=$(openstack endpoint list | awk "/ nova / { print \$4 }")
  # sed command below is a workaound for a bug - region shows up twice for some reason
  cat <<EOF | sed '$d' >>~/env.sh
export OS_REGION_NAME=$OS_REGION_NAME
EOF
fi
source ~/env.sh