#!/usr/bin/env bash

#Copyright 2019 The CDI Authors.
#
#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 -ex
script_dir="$(cd "$(dirname "$0")" && pwd -P)"
source "${script_dir}"/common.sh
source "${script_dir}"/config.sh

if [ "${CDI_CONTAINER_BUILDCMD}" = "buildah" ]; then
    BUILDAH_PLATFORM_FLAG="--platform linux/amd64"

    if rpm -qa | grep -q qemu-user-static-aarch64; then
        BUILDAH_PLATFORM_FLAG="${BUILDAH_PLATFORM_FLAG},linux/arm64"
    fi

    if rpm -qa | grep -q qemu-user-static-s390x; then
        BUILDAH_PLATFORM_FLAG="${BUILDAH_PLATFORM_FLAG},linux/s390x"
    fi

    echo "Building with $BUILDAH_PLATFORM_FLAG"
fi

# Instead of hard-coding the UNTAGGED_BUILDER_IMAGE, we're going
# to use DOCKER_PREFIX as it is set in config.sh and used elsewhere in
# the build system, to introduce a little more consistency

BUILDER_SPEC="${BUILD_DIR}/docker/builder"
UNTAGGED_BUILDER_IMAGE="${DOCKER_PREFIX}/kubevirt-cdi-bazel-builder"
BUILDER_TAG=$(date +"%y%m%d%H%M")-$(git rev-parse --short HEAD)
BUILDER_MANIFEST=${UNTAGGED_BUILDER_IMAGE}:${BUILDER_TAG}
echo "export BUILDER_IMAGE=$BUILDER_MANIFEST"

#Build the encapsulated compile and test container
if [ "${CDI_CONTAINER_BUILDCMD}" = "buildah" ]; then
    (cd ${BUILDER_SPEC} && buildah build ${BUILDAH_PLATFORM_FLAG} --build-arg ARCH=${ARCH} --manifest ${BUILDER_MANIFEST} .)
    buildah manifest push --all ${BUILDER_MANIFEST} docker://${BUILDER_MANIFEST}
    DIGEST=$(podman inspect $(podman images | grep ${UNTAGGED_BUILDER_IMAGE} | grep ${BUILDER_TAG} | awk '{ print $3 }') | jq '.[]["Digest"]')
else
    (cd ${BUILDER_SPEC} && docker build --build-arg ARCH=${ARCH} --tag ${BUILDER_MANIFEST} .)
    docker push ${BUILDER_MANIFEST}
    DIGEST=$(docker images --digests | grep ${UNTAGGED_BUILDER_IMAGE} | grep ${BUILDER_TAG} | awk '{ print $4 }')
fi

echo "Image: ${BUILDER_MANIFEST}"
echo "Digest: ${DIGEST}"