mirror of
https://github.com/aevea/action-kaniko.git
synced 2025-04-20 00:58:15 +02:00
b6cc2eed04
With skip digest unchanged it is not enough the push the current tag, which is probably semvar, we also need to push the latest, so we can later check if the latest digest equal current tag
114 lines
3.5 KiB
Bash
Executable file
114 lines
3.5 KiB
Bash
Executable file
#!/busybox/sh
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set -e pipefail
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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=$IMAGE
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export IMAGE_LATEST=${INPUT_TAG_WITH_LATEST:+"$IMAGE:latest"}
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export IMAGE=$IMAGE:$TAG
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export CONTEXT_PATH=${INPUT_PATH}
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function 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 [ "$REGISTRY" == "docker.pkg.github.com" ]; then
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IMAGE_NAMESPACE="$(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 [ ! -z $IMAGE_LATEST ]; then
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export IMAGE_LATEST="$IMAGE_NAMESPACE/$IMAGE_LATEST"
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fi
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if [ ! -z $INPUT_CACHE_REGISTRY ]; then
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export INPUT_CACHE_REGISTRY="$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 [ ! -z $IMAGE_LATEST ]; then
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export IMAGE_LATEST="$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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if [ ! -z $INPUT_SKIP_UNCHANGED_DIGEST ]; then
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export DESTINATION="--no-push --digest-file digest"
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else
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export DESTINATION="--destination $IMAGE"
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if [ ! -z $IMAGE_LATEST ]; then
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export DESTINATION="$DESTINATION --destination $IMAGE_LATEST"
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fi
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fi
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export ARGS="$CACHE $CONTEXT $DOCKERFILE $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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/kaniko/executor --reproducible $ARGS
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if [ ! -z $INPUT_SKIP_UNCHANGED_DIGEST ]; then
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export DIGEST=$(cat digest)
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if [ "$REGISTRY" == "docker.pkg.github.com" ]; then
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wget -q -O manifest --header "Authorization: Basic $(echo -n $USERNAME:$PASSWORD | base64)" https://docker.pkg.github.com/v2/$REPOSITORY/manifests/latest || true
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export REMOTE="sha256:$(cat manifest | sha256sum | awk '{ print $1 }')"
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else
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export REMOTE=$(reg digest -u $USERNAME -p $PASSWORD $REGISTRY/$REPOSITORY | tail -1)
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fi
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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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export DESTINATION="--destination $IMAGE"
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if [ ! -z $IMAGE_LATEST ]; then
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export DESTINATION="$DESTINATION --destination $IMAGE_LATEST"
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fi
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export ARGS="$CACHE $CONTEXT $DOCKERFILE $DESTINATION $INPUT_EXTRA_ARGS"
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echo "Pushing image..."
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/kaniko/executor --reproducible $ARGS >/dev/null 2>&1
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echo "Done 🎉️"
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fi
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