publish

#!/bin/bash
#
# Copyright 2019 Google LLC
#
# 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.

set -eo pipefail

for i in "$@"
do
case $i in
  --deployer_image=*)
    deployer_image="${i#*=}"
    shift
    ;;
  --gcs_repo=*)
    gcs_repo="${i#*=}"
    shift
    ;;
  *)
    >&2 echo "Unrecognized flag: $i"
    exit 1
    ;;
esac
done

[[ -z "$deployer_image" ]] && >&2 echo "--deployer_image required" && exit 1
[[ -z "$gcs_repo" ]] && >&2 echo "--gcs_repo required" && exit 1
! [[ "$gcs_repo" == gs://* ]] && >&2 echo "--gcs_repo must be a gs:// URL" && exit 1

# Remove trailing slash.
gcs_repo=${gcs_repo%/}

# Extract the schema file.
docker run \
  -i \
  --entrypoint /bin/bash \
  --rm "${deployer_image}" \
  -c 'cat /data/schema.yaml' \
  > /data/schema.yaml

# Resolve the digest of the image
deployer_image_digest="$( \
  docker inspect --format='{{index .RepoDigests 0}}' "${deployer_image}" \
  | cut -d : -f 2)"

mkdir -p /tmp/versions
published_version="$(print_published_version.py)"
print_version_metadata.py \
  --deployer_image "${deployer_image}" \
  --deployer_image_digest "${deployer_image_digest}" \
  > "/tmp/versions/${published_version}.yaml"

gsutil cp "/tmp/versions/${published_version}.yaml" "${gcs_repo}/"
echo "Version is available at ${gcs_repo}/${published_version}.yaml"