helm

add diff plugin for helm

Author: Tob1as

.github/workflows/build_docker_images-static-helm.yaml

@@ -52,6 +52,9 @@ jobs:
           HELM_VERSION=$(wget -qO- https://api.github.com/repos/helm/helm/releases/latest | grep 'tag_name' | cut -d\" -f4 | sed 's/^v//')
           echo "HELM_VERSION=${HELM_VERSION}"
           echo "helm_version=${HELM_VERSION}" >> "$GITHUB_OUTPUT"
+          HELM_DIFF_VERSION=$(wget -qO- https://api.github.com/repos/databus23/helm-diff/releases/latest | grep 'tag_name' | cut -d\" -f4 | sed 's/^v//')
+          echo "HELM_DIFF_VERSION=${HELM_DIFF_VERSION}"
+          echo "helm_diff_version=${HELM_DIFF_VERSION}" >> "$GITHUB_OUTPUT"
 
       - name: Set up QEMU
         id: qemu
@@ -98,6 +101,7 @@ jobs:
             BUILD_DATE=${{steps.script.outputs.build_date}}
             VCS_REF=${{steps.script.outputs.commit_hash}}
             HELM_VERSION=${{steps.script.outputs.helm_version}}
+            HELM_DIFF_VERSION=${{steps.script.outputs.helm_diff_version}}
           tags: |
             docker.io/${{steps.script.outputs.docker_repo}}:static-helm
             docker.io/${{steps.script.outputs.docker_repo}}:static-helm-${{steps.script.outputs.helm_version}}

static-helm.scratch.Dockerfile

@@ -1,31 +1,52 @@
-# build: docker build --no-cache --progress=plain --target binary --build-arg HELM_VERSION=3.17.3 -t tobi312/tools:static-helm -f static-helm.scratch.Dockerfile .
+# build: docker build --no-cache --progress=plain --target binary --build-arg HELM_VERSION=3.19.0 -t tobi312/tools:static-helm -f static-helm.scratch.Dockerfile .
 ARG HELM_VERSION
 FROM golang:alpine AS static-helm
 
 ARG HELM_VERSION
+ARG HELM_DIFF_VERSION
 
 # helm https://github.com/helm/helm
 
 SHELL ["/bin/ash", "-euxo", "pipefail", "-c"]
 
 RUN \
+    #apk add --no-cache git ; \
     OS="$(go env GOOS)" ; \
     ARCH="$(go env GOARCH)" ; \
     TARGETARCH="${ARCH}" ; \
     \
+    # https://github.com/helm/helm
     HELM_VERSION=${HELM_VERSION:-$(wget -qO- https://api.github.com/repos/helm/helm/releases/latest | grep 'tag_name' | cut -d\" -f4)} ; \
     HELM_VERSION=$(echo ${HELM_VERSION} | sed 's/^v//') ; \
     echo ">> HELM_VERSION=${HELM_VERSION}" ; \
     wget -qO- "https://get.helm.sh/helm-v${HELM_VERSION}-${OS}-${TARGETARCH}.tar.gz" | tar -xz --strip-components=1 -C /usr/local/bin/ ${OS}-${TARGETARCH}/helm ; \
     chmod +x /usr/local/bin/helm ; \
     echo ">> HELM_VERSION (check): $(helm version)" ; \
     echo ">> helm Help:" ; \
-    helm --help
-
+    helm --help ; \
+    \
+    # helm plugins directory
+    mkdir -p ~/.local/share/helm/plugins ; \
+    \
+    # https://github.com/databus23/helm-diff
+    if [ "$ARCH" != "riscv64" ]; then \
+        if [ "$ARCH" = "arm" ]; then TARGETARCH="${TARGETARCH}v7" ; fi ; \
+        HELM_DIFF_VERSION=${HELM_DIFF_VERSION:-$(wget -qO- https://api.github.com/repos/databus23/helm-diff/releases/latest | grep 'tag_name' | cut -d\" -f4)} ; \
+        HELM_DIFF_VERSION=$(echo ${HELM_DIFF_VERSION} | sed 's/^v//') ; \
+        echo ">> HELM_DIFF_VERSION=${HELM_DIFF_VERSION}" ; \
+        mkdir -p ~/.local/share/helm/plugins/helm-diff ; \
+        wget -qO- "https://github.com/databus23/helm-diff/releases/download/v${HELM_DIFF_VERSION}/helm-diff-${OS}-${TARGETARCH}.tgz" | tar -xz --strip-components=1 -C ~/.local/share/helm/plugins/helm-diff ; \
+        echo ">> HELM_DIFF_VERSION (check): $(helm diff version)" ; \
+        echo ">> helm diff Help:" ; \
+        helm diff --help ; \
+    else \
+        echo "unknown arch: $ARCH" ; \
+    fi
 
 FROM scratch AS binary
 
 ARG HELM_VERSION
+ARG HELM_DIFF_VERSION
 ARG VCS_REF
 ARG BUILD_DATE
 
@@ -42,8 +63,10 @@ LABEL org.opencontainers.image.title="helm" \
       org.opencontainers.image.source="https://github.com/helm/helm"
 
 COPY --from=static-helm /usr/local/bin/helm /usr/local/bin/helm
+COPY --from=static-helm /root/.local/share/helm/plugins /root/.local/share/helm/plugins
 
 RUN ["helm", "version"]
+#RUN ["helm", "diff", "version"]
 
 ENTRYPOINT ["helm"]
 #CMD ["version"]