#!/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 errexit
set -o nounset
set -o pipefail

# Make directory to hold docker image artifacts
mkdir -p $DOCKER_IMAGE_ARTIFACT_DIRECTORY

# Ensure at root of WORKSPACE
cd $WORKSPACE

# For each docker image
for DOCKER_IMAGE in $(echo $DOCKER_IMAGES | tr "," "\n")
do
  echo "----------------------------------------------------"
  echo "Info: Archiving $DOCKER_IMAGE"
  echo "----------------------------------------------------"
  # Generate a name for the archive from its docker image name
  # e.g.  uds/sdc-customization/eo-cassandra-init becomes eo-cassandra-init
  DOCKER_IMAGE_TAG=$(docker images $DOCKER_IMAGE | awk '{ print $2}' | sed -n '2p')
  # Create docker tag for filename using uds build version e.g. 1.5-STAGING-latest
  DOCKER_IMAGE_NAME=$(echo $DOCKER_IMAGE | awk -F/ '{print $NF}')
  # Create docker tag for filename using timestamp e.g. 1.5.0-20200610T134812Z
  #DOCKER_IMAGE_TAG=$(docker images $DOCKER_IMAGE | awk '{ print $2}' | sed -n '3p')

  # Create the archive.tar.gz
  # Naming convention <docker-image-name>-<tag>-<project-commit-ids>.tar.gz
  # Includes SHA commit ids of the projects for traceability of the artifacts
  # e.g. eo-cassandra-init-1.7-STAGING-latest-6d3abef-d96bad4.tar.gz
  docker save $DOCKER_IMAGE | gzip -c > $DOCKER_IMAGE_ARTIFACT_DIRECTORY/$DOCKER_IMAGE_NAME-$DOCKER_IMAGE_TAG-$COMMIT_IDS.tar.gz
done