#!/bin/bash

# ============LICENSE_START=======================================================
#  Copyright (C) 2020 The Nordix Foundation. All rights reserved.
# ================================================================================
# 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.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=========================================================

set -o nounset
set -o errexit
set -o pipefail

#-------------------------------------------------------------------------------
# In some cases, it is useful to see all the output generated by commands so
# this function makes it possible for users to achieve that by not redirecting
# output to /dev/null when verbosity is enabled
#-------------------------------------------------------------------------------
redirect_cmd() {

  if [[ "$VERBOSITY" == "false" ]]; then
    "$@" > /dev/null 2>&1
  else
    "$@"
  fi

}

VERBOSITY=${VERBOSITY:-false}
# ensure dependencies are present
echo "Info  : Install python3.7-minimal python3-distutils virtualenv using apt"
redirect_cmd sudo apt update
redirect_cmd sudo apt install -o Dpkg::Options::=--force-confdef -o Dpkg::Options::=--force-confnew -y python3.7-minimal python3-distutils virtualenv

# prepare venv for openstack cli
/bin/rm -rf $WORKSPACE/.venv
virtualenv --python python3 --never-download $WORKSPACE/.venv
set +u
source $WORKSPACE/.venv
set -u
pip install --quiet --upgrade pip
pip install --quiet python-cinderclient==6.0.0
pip install --quiet python-glanceclient==3.0.0
pip install --quiet python-heatclient==2.0.0
pip install --quiet python-ironic-inspector-client==4.0.0
pip install --quiet python-ironicclient==4.0.0
pip install --quiet python-keystoneclient==3.22.0
pip install --quiet python-neutronclient==7.1.0
pip install --quiet python-novaclient==16.0.0
pip install --quiet python-openstackclient==5.1.0
pip install --quiet python-swiftclient==3.9.0

echo "Info: Find Stacks $STACK_START_STR and keypair keypair-$STACK_START_STR"
echo "-------------------------------------------------------------------------"
source $OPENRC_FILE
STACKS=$(openstack stack list -c "Stack Name" -c "Creation Time" -c ID -f value)
KEYPAIRS=$(openstack keypair list -c "Name" -f value)
# iternate of all the stacks
while IFS= read -r stackline
do
  # split line which comes in order ID,"Stack Name","Creation Time"
  stackdetails=($stackline)
  # find stacks starting with the search string
  if [[ ${stackdetails[1]} =~ ^$STACK_START_STR.* ]]
  then
    whenstackcreated=$(date -d ${stackdetails[2]} +%s)
    nowinsecond=$(date +%s)
    ageofstack=$(($nowinsecond-$whenstackcreated))
    # find stacks older than the allowed time
    if [[ $ageofstack > $TIMETOLIVE*60 ]]
    then
      echo "Info: Going to delete stack " ${stackdetails[1]} " ID " ${stackdetails[0]}
      openstack stack delete ${stackdetails[0]} --wait --yes
      echo "Info: Deleted stack " ${stackdetails[1]} " ID " ${stackdetails[0]}
      # check keypair is there before trying to delete
      if [[ "${KEYPAIRS[@]}" =~ "keypair-${stackdetails[1]}" ]]; then
         echo "Info: Going to delete keypair " keypair-${stackdetails[1]}
         openstack keypair delete keypair-${stackdetails[1]}
         echo "Info: Deleted keypair " keypair-${stackdetails[1]}
      fi
    fi
  fi
done <<< $(echo "$STACKS")

echo "-------------------------------------------------------------------------"
echo "Info: Finished deleting stacks and keypairs"

deactivate
# vim: set ts=2 sw=2 expandtab: