mirror of
https://github.com/aevea/action-kaniko.git
synced 2025-04-20 00:58:15 +02:00
eccc31ae7c
Remove most of the 'bashisms' in the script, improve quoting, escaping and make more consistent regarding references to variable names.
118 lines
3.6 KiB
Bash
Executable file
118 lines
3.6 KiB
Bash
Executable file
#!/busybox/sh
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set -e pipefail
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if [ "$INPUT_DEBUG" = "true" ]; then
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set -o xtrace
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fi
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export REGISTRY="${INPUT_REGISTRY:-"docker.io"}"
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export IMAGE="${INPUT_IMAGE}"
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export BRANCH="$(echo ${GITHUB_REF} | sed -E 's#refs/(heads|tags)/##g' | sed -e 's#/#-#g')"
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export TAG=${INPUT_TAG:-$([ "$BRANCH" == "master" ] && echo latest || echo $BRANCH)}
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export TAG="${TAG:-'latest'}"
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export TAG="${TAG#"$INPUT_STRIP_TAG_PREFIX"}"
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export USERNAME="${INPUT_USERNAME:-"$GITHUB_ACTOR"}"
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export PASSWORD="${INPUT_PASSWORD:-"$GITHUB_TOKEN"}"
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export REPOSITORY="${IMAGE}"
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export IMAGE="${IMAGE}:${TAG}"
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export CONTEXT_PATH="${INPUT_PATH}"
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if [ "$INPUT_TAG_WITH_LATEST" = "true" ]; then
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export IMAGE_LATEST="${REPOSITORY}:latest"
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fi
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ensure() {
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if [ -z "${1}" ]; then
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echo >&2 "Unable to find the ${2} variable. Did you set with.${2}?"
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exit 1
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fi
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}
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ensure "${REGISTRY}" "registry"
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ensure "${USERNAME}" "username"
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ensure "${PASSWORD}" "password"
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ensure "${IMAGE}" "image"
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ensure "${TAG}" "tag"
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ensure "${CONTEXT_PATH}" "path"
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if [ "${REGISTRY}" = "ghcr.io" ]; then
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IMAGE_NAMESPACE="$(echo ${GITHUB_REPOSITORY} | tr '[:upper:]' '[:lower:]')"
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export IMAGE="${IMAGE_NAMESPACE}/${IMAGE}"
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export REPOSITORY="${IMAGE_NAMESPACE}/${REPOSITORY}"
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if [ -n "${IMAGE_LATEST}" ]; then
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export IMAGE_LATEST="${IMAGE_NAMESPACE}/${IMAGE_LATEST}"
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fi
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if [ -n "${INPUT_CACHE_REGISTRY}" ]; then
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export INPUT_CACHE_REGISTRY="${REGISTRY}/${IMAGE_NAMESPACE}/${INPUT_CACHE_REGISTRY}"
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fi
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fi
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if [ "${REGISTRY}" = "docker.io" ]; then
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export REGISTRY="index.${REGISTRY}/v1/"
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else
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export IMAGE="${REGISTRY}/${IMAGE}"
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if [ -n "${IMAGE_LATEST}" ]; then
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export IMAGE_LATEST="${REGISTRY}/${IMAGE_LATEST}"
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fi
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fi
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export CACHE="${INPUT_CACHE:+"--cache=true"}"
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export CACHE="${CACHE}${INPUT_CACHE_TTL:+" --cache-ttl=$INPUT_CACHE_TTL"}"
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export CACHE="${CACHE}${INPUT_CACHE_REGISTRY:+" --cache-repo=$INPUT_CACHE_REGISTRY"}"
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export CACHE="${CACHE}${INPUT_CACHE_DIRECTORY:+" --cache-dir=$INPUT_CACHE_DIRECTORY"}"
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export CONTEXT="--context ${GITHUB_WORKSPACE}/${CONTEXT_PATH}"
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export DOCKERFILE="--dockerfile ${CONTEXT_PATH}/${INPUT_BUILD_FILE:-Dockerfile}"
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export TARGET="${INPUT_TARGET:+"--target=$INPUT_TARGET"}"
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export ARG_DIGEST="--digest-file /kaniko/digest --image-name-tag-with-digest-file=/kaniko/image-tag-digest"
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if [ -n "${INPUT_SKIP_UNCHANGED_DIGEST}" ]; then
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export DESTINATION="--no-push --tarPath image.tar --destination ${IMAGE}"
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else
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export DESTINATION="--destination $IMAGE"
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if [ -n "${IMAGE_LATEST}" ]; then
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export DESTINATION="${DESTINATION} --destination ${IMAGE_LATEST}"
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fi
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fi
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export ARGS="${CACHE} ${CONTEXT} ${DOCKERFILE} ${TARGET} ${ARG_DIGEST} ${DESTINATION} ${INPUT_EXTRA_ARGS}"
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cat <<EOF >/kaniko/.docker/config.json
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{
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"auths": {
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"https://${REGISTRY}": {
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"username": "${USERNAME}",
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"password": "${PASSWORD}"
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}
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}
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}
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EOF
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# https://github.com/GoogleContainerTools/kaniko/issues/1349
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/kaniko/executor --reproducible --force ${ARGS}
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if [ -n "${INPUT_SKIP_UNCHANGED_DIGEST}" ]; then
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DIGEST="$(cat /kaniko/digest)"
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export DIGEST
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/kaniko/crane auth login "${REGISTRY}" -u "${USERNAME}" -p "${PASSWORD}"
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REMOTE="$(crane digest "${REGISTRY}/${REPOSITORY}:${TAG}" || true)"
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export REMOTE
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if [ "${DIGEST}" = "${REMOTE}" ]; then
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echo "Digest hasn't changed, skipping, ${DIGEST}"
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echo "Done "
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exit 0
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fi
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echo "Pushing image..."
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/kaniko/crane push image.tar "${IMAGE}"
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if [ -n "${IMAGE_LATEST}" ]; then
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echo "Tagging latest..."
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/kaniko/crane tag "${IMAGE}" "${TAG}"
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fi
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echo "Done "
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fi
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