Offer multiple versions

.github/workflows/build.yml

@@ -28,6 +28,12 @@ jobs:
       matrix:
         version:
           - 'latest'
+          - '0.15'
+          - '0.14'
+          - '0.13'
+          - '0.12'
+          - '0.11'
+          - '0.10'
     steps:
 
       # ------------------------------------------------------------

.github/workflows/lint.yml

@@ -34,7 +34,5 @@ jobs:
       # Lint repository
       # ------------------------------------------------------------
       - name: Lint
-        id: vars
         run: |
           make lint
-

.github/workflows/nightly.yml

@@ -27,9 +27,14 @@ jobs:
       matrix:
         version:
           - 'latest'
+          - '0.15'
+          - '0.14'
+          - '0.13'
+          - '0.12'
+          - '0.11'
+          - '0.10'
         refs:
           - 'master'
-          - '0.1'
     steps:
 
       # ------------------------------------------------------------

Dockerfile

@@ -2,14 +2,20 @@ FROM alpine:3.13 as builder
 
 RUN set -x \
 	&& apk add --no-cache \
+		git \
 		wget
 
 ARG VERSION
 RUN set -x \
 	&& if [ "${VERSION}" = "latest" ]; then \
 		wget "https://github.com/instrumenta/kubeval/releases/latest/download/kubeval-linux-amd64.tar.gz"; \
 	else \
-		wget "https://github.com/instrumenta/kubeval/releases/download/${VERSION}/kubeval-darwin-amd64.tar.gz"; \
+		git clone https://github.com/instrumenta/kubeval /tmp/kubeval \
+		&& cd /tmp/kubeval \
+		&& VERSION="$( git tag --sort=v:refname | grep -E "^${VERSION}" | tail -1 )" \
+		&& cd / \
+		&& echo "${VERSION}" \
+		&& wget "https://github.com/instrumenta/kubeval/releases/download/${VERSION}/kubeval-linux-amd64.tar.gz"; \
 	fi \
 	&& tar xf kubeval-linux-amd64.tar.gz \
 	&& cp kubeval /usr/bin/kubeval \

Makefile

@@ -30,7 +30,45 @@ help:
 # --------------------------------------------------------------------------------------------------
 # Lint Targets
 # --------------------------------------------------------------------------------------------------
-lint:
+lint: _lint-files
+lint: _lint-workflow
+
+.PHONY: _lint-workflow
+_lint-workflow:
+	@echo "################################################################################"
+	@echo "# Lint Workflow"
+	@echo "################################################################################"
+	@\
+	GIT_CURR_MAJOR="$$( git tag | sort -V | tail -1 | sed 's|\.[0-9]*$$||g' )"; \
+	GIT_CURR_MINOR="$$( git tag | sort -V | tail -1 | sed 's|^[0-9]*\.||g' )"; \
+	GIT_NEXT_TAG="$${GIT_CURR_MAJOR}.$$(( GIT_CURR_MINOR + 1 ))"; \
+	AVAILABLE_REFS="$$( \
+		grep 'refs:' -A 100 .github/workflows/nightly.yml \
+		| grep 'steps:' -B 100 \
+		| grep -E '[[:space:]]+\-' \
+		| sed 's/.*\s//g' \
+		| sed "s/'//g" \
+		| sed 's/"//g' \
+		| grep -v master || true \
+	)"; \
+	if [ -n "$${AVAILABLE_REFS}" ]; then \
+		if ! grep 'refs:' -A 100 .github/workflows/nightly.yml \
+			| grep  "          - '$${GIT_NEXT_TAG}'" >/dev/null; then \
+			echo "[ERR] New Tag required in .github/workflows/nightly.yml: $${GIT_NEXT_TAG}"; \
+				exit 1; \
+			else \
+			echo "[OK] Git Tag present in .github/workflows/nightly.yml: $${GIT_NEXT_TAG}"; \
+		fi \
+	else \
+		echo "[OK] No Tags defined at all in .github/workflows/nightly.yml"; \
+	fi
+	@echo
+
+.PHONY: lint-files
+_lint-files:
+	@echo "################################################################################"
+	@echo "# Lint Files"
+	@echo "################################################################################"
 	@docker run --rm -v $(CURRENT_DIR):/data cytopia/file-lint file-cr --text --ignore '.git/,.github/,tests/' --path .
 	@docker run --rm -v $(CURRENT_DIR):/data cytopia/file-lint file-crlf --text --ignore '.git/,.github/,tests/' --path .
 	@docker run --rm -v $(CURRENT_DIR):/data cytopia/file-lint file-trailing-single-newline --text --ignore '.git/,.github/,tests/' --path .
@@ -79,13 +117,13 @@ _test-version:
 				| grep -Eo '[.0-9]+' \
 		)"; \
 		echo "Testing for latest: $${LATEST}"; \
-		if ! docker run --rm $(IMAGE) --version | grep -E "$${LATEST}$$"; then \
+		if ! docker run --rm $(IMAGE) --version | grep -E "Version: $${LATEST}$$"; then \
 			echo "Failed"; \
 			exit 1; \
 		fi; \
 	else \
 		echo "Testing for tag: $(VERSION)"; \
-		if ! docker run --rm $(IMAGE) --version | grep -E "^$(VERSION)"; then \
+		if ! docker run --rm $(IMAGE) --version | grep -E "Version: $(VERSION)"; then \
 			echo "Failed"; \
 			exit 1; \
 		fi; \

README.md

@@ -57,9 +57,37 @@ The image is built nightly against multiple stable versions and pushed to Docker
 
 ## Available Docker image versions
 
-| Docker tag | Build from |
-|------------|------------|
-| `latest`   | Latest stable version |
+#### Rolling releaess
+
+The following Docker image tags are rolling releases and are built and updated every night.
+
+[![nightly](https://github.com/cytopia/docker-kubeval/workflows/nightly/badge.svg)](https://github.com/cytopia/docker-kubeval/actions?query=workflow%3Anightly)
+
+| Docker tag      | Explanation |
+|-----------------|-------------|
+| `latest`        | Latest stable version |
+| `0.15`          | Latest stable `0.15.x` version |
+| `0.14`          | Latest stable `0.14.x` version |
+| `0.13`          | Latest stable `0.13.x` version |
+| `0.12`          | Latest stable `0.12.x` version |
+| `0.11`          | Latest stable `0.11.x` version |
+| `0.10`          | Latest stable `0.10.x` version |
+
+#### Point in time releases
+
+The following Docker image tags are built once and can be used for reproducible builds. Its version never changes so you will have to update tags in your pipelines from time to time in order to stay up-to-date.
+
+[![build](https://github.com/cytopia/docker-kubeval/workflows/build/badge.svg)](https://github.com/cytopia/docker-kubeval/actions?query=workflow%3Abuild)
+
+| Docker tag      | Explanation |
+|-----------------|-------------|
+| `latest-<TAG>`  | Latest stable version when this repository was git tagged |
+| `0.15-<TAG>`    | Latest stable 0.15.x version when this repository was git tagged |
+| `0.14-<TAG>`    | Latest stable 0.14.x version when this repository was git tagged |
+| `0.13-<TAG>`    | Latest stable 0.13.x version when this repository was git tagged |
+| `0.12-<TAG>`    | Latest stable 0.12.x version when this repository was git tagged |
+| `0.11-<TAG>`    | Latest stable 0.11.x version when this repository was git tagged |
+| `0.10-<TAG>`    | Latest stable 0.10.x version when this repository was git tagged |
 
 
 ## Docker mounts