#!/bin/bash

# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0

# This script is meant to perform the steps necessary to prepare a merge request for a release.
# - Enable the docker Daemon
# - Build and Publish all Lambda Layers
# - Run the Bump script
#
# This script is meant to be run by the RFDK team on their internal pipeline

set -euxo pipefail

SCRIPT_DIR=$(dirname "$0")
SCRIPT_DIR=$(readlink -f "$SCRIPT_DIR")
ROOT_DIR=$(readlink -f "${SCRIPT_DIR}/..")
TESTS_DIR=$(readlink -f "$ROOT_DIR/integ")

# Determine the ECR region we want to use
set +e
# First attempt to use the AWS_REGION environment variable which is set by CodeBuild
# Source: https://docs.aws.amazon.com/codebuild/latest/userguide/build-env-ref-env-vars.html
if [ -z ${AWS_REGION+x} ]; then
    # Not running on CodeBuild, so fallback to getting the region from AWS CLI configuration
    echo "could not get region from AWS_REGION environment variable. Attempting AWS configuration..."
    ECR_REGION="$(aws configure get region)"
    if [ "$?" -ne 0 ] || [ -z "${ECR_REGION}" ]; then
        echo "ERROR: Could not determine region"
        exit 1
    fi
else
    ECR_REGION="${AWS_REGION}"
fi
set -e
echo "ECR_REGION=${ECR_REGION}"

# Ensure that the docker daemon is running in the background
# These commands are currently being done here instead of in buildspec due to the following issue: https://github.com/awslabs/aws-delivlib/issues/448
# These commands come from the Codebuild sample for running docker on a custom image: https://docs.aws.amazon.com/codebuild/latest/userguide/sample-docker-custom-image.html#sample-docker-custom-image-files
docker info || nohup /usr/bin/dockerd --host=unix:///var/run/docker.sock --host=tcp://127.0.0.1:2375 --storage-driver=overlay2 &
timeout 15 sh -c "until docker info; do echo .; sleep 1; done"

# Pull amazonlinux image locally from ECR. This is done to avoid pulling from DockerHub both for egress and rate
# limiting.
PULL_AL_FROM_ECR_ARGS=(
    # Region of ECR repo
    "${ECR_REGION}"
    # Image versions to pull
    "latest" # required for building and publishing lambda layers
    "2"      # required for building Deadline docker images for running integration tests
)
/bin/bash ${SCRIPT_DIR}/pull_amazonlinux_from_ecr.sh "${PULL_AL_FROM_ECR_ARGS[@]}"

# Run integ tests
/bin/bash ${ROOT_DIR}/build.sh
pushd $TESTS_DIR
yarn run e2e-automated
popd

# Build and publish lambda layers
/bin/bash ${SCRIPT_DIR}/publish-all-lambda-layers.sh

# Perform the bump
/bin/bash ${ROOT_DIR}/bump.sh