lint/test/validate-docker-labels.sh

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#!/usr/bin/env bash
set -o errexit
set -o nounset
CONTAINER_IMAGE_ID="${1}"
shift
BUILD_DATE="${1}"
shift
BUILD_REVISION="${1}"
shift
BUILD_VERSION="${1}"
shift
ValidateLabel() {
local LABEL_KEY="$1"
local CONTAINER_VALUE="$2"
LABEL="$(docker inspect --format "{{ index .Config.Labels \"${LABEL_KEY}\" }}" "${CONTAINER_IMAGE_ID}")"
if [[ "${LABEL}" != "${CONTAINER_VALUE}" ]]; then
echo "[ERROR] Invalid container image label: ${LABEL_KEY}: ${LABEL}. Expected: ${CONTAINER_VALUE}"
exit 1
else
echo "${LABEL_KEY} is valid: ${LABEL}. Expected: ${CONTAINER_VALUE}"
fi
}
ValidateLabel "org.opencontainers.image.created" "${BUILD_DATE}"
ValidateLabel "org.opencontainers.image.revision" "${BUILD_REVISION}"
ValidateLabel "org.opencontainers.image.version" "${BUILD_VERSION}"