#!/usr/bin/env bash
# Copyright Amazon.com Inc. or its affiliates. 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.

if [ "$AWS_ROLE_ARN" == "" ]; then
	echo "Empty AWS_ROLE_ARN"
	exit 1
fi

if [ "$ARTIFACT_DEPLOYMENT_ROLE_ARN" == "" ]; then
	echo "Empty ARTIFACT_DEPLOYMENT_ROLE_ARN"
	exit 1
fi

if [ "$SNS_TOPIC_ARN" == "" ]; then
	echo "Empty SNS_TOPIC_ARN"
	exit 1
fi

if [ "$GO_SOURCE_VERSION" == "" ]; then
	echo "Empty GO_SOURCE_VERSION"
	exit 1
fi

BASE_DIRECTORY=$(git rev-parse --show-toplevel)
cd $BASE_DIRECTORY || exit

cat <<EOF >awscliconfig
[default]
output=json
region=${AWS_REGION:-${AWS_DEFAULT_REGION:-us-west-2}}
role_arn=$AWS_ROLE_ARN
web_identity_token_file=/var/run/secrets/eks.amazonaws.com/serviceaccount/token

[profile artifacts-push]
role_arn=$ARTIFACT_DEPLOYMENT_ROLE_ARN
region=${AWS_REGION:-${AWS_DEFAULT_REGION:-us-east-1}}
source_profile=default
EOF
export AWS_CONFIG_FILE=$(pwd)/awscliconfig
export AWS_PROFILE=artifacts-push
unset AWS_ROLE_ARN AWS_WEB_IDENTITY_TOKEN_FILE

GOLANG_TRACKING_TAG="$(cat $BASE_DIRECTORY/projects/golang/go/$GO_SOURCE_VERSION/GIT_TAG)"
SNS_MESSAGE="eks_golang_release: $(cat $BASE_DIRECTORY/projects/golang/go/$GO_SOURCE_VERSION/RELEASE)
golang_tracking_tag: $GOLANG_TRACKING_TAG
golang_tracking_version: ${GOLANG_TRACKING_TAG:2}
metadata:
  summary: This is the EKS Go source release, not the minimal base or debian images. See the link in the github tag for artifact source locations.
  github: https://github.com/aws/$BASE_DIRECTORY/projects/golang/go/$GO_SOURCE_VERSION"

SNS_MESSAGE_ID=$(
	aws sns publish \
		--profile "artifacts-push" \
		--topic-arn "$SNS_TOPIC_ARN" \
		--subject "New Release of EKS Golang v$GO_SOURCE_VERSION" \
		--message "$SNS_MESSAGE" \
		--query "MessageId" --output text
)

if [ "$SNS_MESSAGE_ID" ]; then
	echo -e "\nEKS Golang release notification published with SNS MessageId $SNS_MESSAGE_ID"
else
	echo -e "Received unexpected response while publishing to EKS Golang release SNS topic $SNS_TOPIC_ARN. \
An error may have occurred, and the notification may not have been published"
	exit 1
fi
