Add Helm publish action

.github/actions/helm-gh-pages/Dockerfile

@@ -0,0 +1,8 @@
+FROM stefanprodan/alpine-base:latest
+
+COPY entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+
+RUN apk --no-cache add git
+
+ENTRYPOINT ["/entrypoint.sh"]

.github/actions/helm-gh-pages/action.yml

@@ -0,0 +1,35 @@
+name: 'helm-gh-pages'
+description: 'A GitHub Action to publish helm charts to Github Pages'
+author: 'Stefan Prodan'
+branding:
+  icon: 'command'
+  color: 'blue'
+inputs:
+  token:
+    description: "GitHub token"
+    required: true
+  charts_dir:
+    description: "The charts directory, defaults to `charts`"
+    required: false
+  charts_url:
+    description: "The GitHub Pages URL, default to `https://<USER>.github.io/<REPOSITORY>`"
+    required: false
+  user:
+    description: "The GitHub user that owns this repository"
+    required: false
+  repository:
+    description: "The GitHub repository name"
+    required: false
+  branch:
+    description: "The branch to publish charts, default to `gh-pages`"
+    required: false
+runs:
+  using: 'docker'
+  image: 'Dockerfile'
+  args:
+    - ${{ inputs.token }}
+    - ${{ inputs.charts_dir }}
+    - ${{ inputs.charts_url }}
+    - ${{ inputs.user }}
+    - ${{ inputs.repository }}
+    - ${{ inputs.branch }}

.github/actions/helm-gh-pages/entrypoint.sh

@@ -0,0 +1,87 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o pipefail
+
+GITHUB_TOKEN=$1
+CHARTS_DIR=$2
+CHARTS_URL=$3
+USER=$4
+REPOSITORY=$5
+BRANCH=$6
+
+HELM_VERSION=3.2.1
+CHARTS_TMP_DIR=$(mktemp -d)
+REPO_ROOT=$(git rev-parse --show-toplevel)
+
+main() {
+  if [[ -z "$CHARTS_DIR" ]]; then
+      CHARTS_DIR="charts"
+  fi
+
+  if [[ -z "$USER" ]]; then
+      USER=$(cut -d '/' -f 1 <<< "$GITHUB_REPOSITORY")
+  fi
+
+  if [[ -z "$REPOSITORY" ]]; then
+      REPOSITORY=$(cut -d '/' -f 2 <<< "$GITHUB_REPOSITORY")
+  fi
+
+  if [[ -z "$BRANCH" ]]; then
+      BRANCH="gh-pages"
+  fi
+
+  if [[ -z "$CHARTS_URL" ]]; then
+      CHARTS_URL="https://${USER}.github.io/${REPOSITORY}"
+  fi
+
+  download
+  lint
+  package
+  upload
+}
+
+download() {
+  tmpDir=$(mktemp -d)
+
+  pushd $tmpDir >& /dev/null
+
+  curl -sSL https://get.helm.sh/helm-v${HELM_VERSION}-linux-amd64.tar.gz | tar xz
+  cp linux-amd64/helm /usr/local/bin/helm
+
+  popd >& /dev/null
+  rm -rf $tmpDir
+}
+
+lint() {
+  helm lint ${REPO_ROOT}/${CHARTS_DIR}/*
+}
+
+package() {
+  helm package ${REPO_ROOT}/${CHARTS_DIR}/* --destination ${CHARTS_TMP_DIR}
+}
+
+upload() {
+  tmpDir=$(mktemp -d)
+  pushd $tmpDir >& /dev/null
+
+  repo_url="https://x-access-token:${GITHUB_TOKEN}@github.com/${USER}/${REPOSITORY}"
+  git clone ${repo_url}
+  cd ${REPOSITORY}
+  git config user.name "$GITHUB_ACTOR"
+  git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
+  git remote set-url origin ${repo_url}
+  git checkout gh-pages
+
+  mv -f ${CHARTS_TMP_DIR}/*.tgz .
+  helm repo index . --url ${CHARTS_URL}
+
+  git add .
+  git commit -m "Publish Helm charts"
+  git push origin gh-pages
+
+  popd >& /dev/null
+  rm -rf $tmpDir
+}
+
+main

.github/actions/helm/entrypoint.sh

@@ -1,14 +1,15 @@
 #!/usr/bin/env bash
 
 set -o errexit
-set -o nounset
 set -o pipefail
 
 HELM_VERSION=3.2.1
-BIN_DIR=/home/runner/bin
+BIN_DIR="$GITHUB_WORKSPACE/bin"
 
 main() {
   mkdir -p ${BIN_DIR}
+  cp /helm-publish.sh ${BIN_DIR}/helm-publish
+
   tmpDir=$(mktemp -d)
 
   pushd $tmpDir >& /dev/null
@@ -20,4 +21,6 @@ main() {
   rm -rf $tmpDir
 }
 
-main
+main
+echo "::add-path::$BIN_DIR"
+echo "::add-path::$RUNNER_WORKSPACE/$(basename $GITHUB_REPOSITORY)/bin"

.github/workflows/e2e.yaml

@@ -12,6 +12,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+      - name: Publish Helm charts
+        uses: ./.github/actions/helm-gh-pages
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
       - name: Restore Go cache
         uses: actions/cache@v1
         with:
@@ -27,7 +31,12 @@ jobs:
         uses: ./.github/actions/helm
       - name: Setup Kubernetes
         uses: engineerd/setup-kind@v0.4.0
-      - name: Test
+      - name: Debug
+        run: |
+          which kubectl
+          ls -la $HOME
+          ls -la $GITHUB_WORKSPACE
+      - name: Run unit tests
         run: make test
       - name: Check if working tree is dirty
         run: |
@@ -35,7 +44,7 @@ jobs:
             echo 'run make test and commit changes'
             exit 1
           fi
-      - name: Build
+      - name: Build container image
         run: |
           GIT_COMMIT=$(git rev-list -1 HEAD) && \
           docker build -t test/podinfo:latest --build-arg "REVISION=${GIT_COMMIT}" .
@@ -46,10 +55,10 @@ jobs:
           --set image.repository=test/podinfo \
           --set image.tag=latest \
           --namespace=default
-      - name: Integration test
+      - name: Run integration tests
         run: |
           kubectl rollout status deployment/podinfo --timeout=1m
-          helm test podinfo --logs
+          helm test podinfo
       - name: Debug failure
         if: failure()
         run: |