release.yml

name: Release Kusk Gateway API

concurrency:
  group: "release"
  cancel-in-progress: true

defaults:
  run:
    shell: bash

on:
  push:
    tags:
      - "v[0-9]+.[0-9]+.[0-9]+"
      - "v[0-9]+.[0-9]+.[0-9]+-*"

jobs:
  release:
    name: Create and upload release-artifacts
    if: github.event.base_ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v1

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

      - name: Login to Dockerhub
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Docker Metadata for Kusk Gateway API
        id: meta
        uses: docker/metadata-action@v3
        with:
          images: kubeshop/kusk-gateway-api
          tags: |
            type=match,pattern=v(.*)
            type=sha
          flavor: |
            latest=true

      - name: Docker Metadata for Kusk Gateway API Websocket
        id: meta-websocket
        uses: docker/metadata-action@v3
        with:
          images: kubeshop/kusk-gateway-api-websocket
          tags: |
            type=match,pattern=v(.*)
            type=sha
          flavor: |
            latest=true

      - name: setup-goreleaser-environment-variables
        run: |
          echo "VERSION=$(git describe --tags $(git rev-list --tags --max-count=1))" >> $GITHUB_ENV
      - name: Build and Push Kusk Gateway API
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./build/api-server/Dockerfile
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            TELEMETRY_TOKEN=${{ secrets.TELEMETRY_TOKEN }}
            VERSION=${{ env.VERSION }}
      - name: Build and Push Kusk Gateway API Websocket
        uses: docker/build-push-action@v2
        with:
          context: .
          file: ./build/websocket/Dockerfile
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta-websocket.outputs.tags }}
          labels: ${{ steps.meta-websocket.outputs.labels }}
          build-args: |
            TELEMETRY_TOKEN=${{ secrets.TELEMETRY_TOKEN }}
            VERSION=${{ env.VERSION }}
      - name: GoReleaser
        uses: goreleaser/goreleaser-action@v2
        with:
          distribution: goreleaser
          version: v1.6.3
          args: release --rm-dist --skip-sign
        env:
          GITHUB_TOKEN: ${{ secrets.CI_BOT_TOKEN }}

  helm_chart_version_bump:
    name: "Trigger Helm chart appVersion update"
    needs: "release"
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          repository: "kubeshop/helm-charts"
          ref: "main"
          fetch-depth: 0
          token: ${{ secrets.CI_BOT_TOKEN }}
      - name: Install Helm
        uses: azure/setup-helm@v1
        with:
          version: v3.4.0

      - name: Bump Kusk Gateway API chart
        run: |
          # sets appVersion in the Chart.yaml
          echo New appVersion: ${{ github.ref_name }}
          sed  -i -e "s/^appVersion: .*$/appVersion: \"${{ github.ref_name }}\"/" charts/kusk-gateway-api/Chart.yaml
          # Bumps charts patch version
          CURRENT_VERSION=$(sed  -n  -e  "s/^version: \(.*\)$/\1/p"  charts/kusk-gateway-api/Chart.yaml)
          echo Current chart version ${CURRENT_VERSION}
          NEW_VERSION=$(echo $CURRENT_VERSION |awk -F. '{$NF = $NF + 1;} 1' | sed 's/ /./g')
          echo New version ${NEW_VERSION}
          sed -i -e "s/^version: .*/version: ${NEW_VERSION}/g" charts/kusk-gateway-api/Chart.yaml

      - name: Lint the chart
        run: |
          helm lint charts/kusk-gateway-api

      - name: Push updated chart
        run: |
          git config user.name "$GITHUB_ACTOR"
          git config user.email "$GITHUB_ACTOR@users.noreply.github.com"
          git remote -v
          git add .
          git commit -m "automatically updated kusk-gateway related charts"
          git push

      - name: Slack Notification if the helm version bump succeeded
        uses: rtCamp/action-slack-notify@v2
        env:
          SLACK_CHANNEL: kusk
          SLACK_COLOR: good
          SLACK_ICON: https://github.githubassets.com/images/modules/site/features/actions-icon-actions.svg
          SLACK_TITLE: Helm chart version bump succeeded :party_blob:!
          SLACK_MESSAGE: "Kusk Gateway API chart version was bumped"
          SLACK_USERNAME: GitHub
          SLACK_LINK_NAMES: true
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
          SLACK_FOOTER: "Kubeshop --> Kusk Gateway API"

  notify_slack_if_helm_chart_bump_fails:
    runs-on: ubuntu-latest
    needs: helm_chart_version_bump
    if: always() && (needs.helm_chart_version_bump.result == 'failure')
    steps:
      - name: Slack Notification if Helm Release action failed
        uses: rtCamp/action-slack-notify@v2
        env:
          SLACK_CHANNEL: kusk
          SLACK_COLOR: ${{ needs.helm_chart_version_bump.result }} # or a specific color like 'good' or '#ff00ff'
          SLACK_ICON: https://github.githubassets.com/images/modules/site/features/actions-icon-actions.svg
          SLACK_TITLE: Helm Chart version bump action failed :boom:!
          SLACK_USERNAME: GitHub
          SLACK_LINK_NAMES: true
          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
          SLACK_FOOTER: "Kubeshop --> Kusk Gateway API"