ci.yml

name: CI

on:
  push:
    branches:
      - main
      - release-*
  pull_request: {}
  workflow_dispatch: {}

env:
  # Common versions
  GO_VERSION: '1.22.3'
  GOLANGCI_VERSION: 'v1.55.2'
  DOCKER_BUILDX_VERSION: 'v0.8.2'

  XPKG_ACCESS_ID: ${{ secrets.XPKG_ACCESS_ID }}

jobs:
  detect-noop:
    runs-on: ubuntu-20.04
    outputs:
      noop: ${{ steps.noop.outputs.should_skip }}
    steps:
      - name: Detect No-op Changes
        id: noop
        uses: fkirc/skip-duplicate-actions@v2.0.0
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          paths_ignore: '["**.md", "**.png", "**.jpg"]'
          do_not_skip: '["workflow_dispatch", "schedule", "push"]'


  lint:
    runs-on: ubuntu-20.04
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true'

    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: true

      - name: Setup Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Find the Go Build Cache
        id: go
        run: echo "::set-output name=cache::$(go env GOCACHE)"

      - name: Cache the Go Build Cache
        uses: actions/cache@v2
        with:
          path: ${{ steps.go.outputs.cache }}
          key: ${{ runner.os }}-build-lint-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-build-lint-

      - name: Cache Go Dependencies
        uses: actions/cache@v2
        with:
          path: .work/pkg
          key: ${{ runner.os }}-pkg-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-pkg-

      - name: Vendor Dependencies
        run: make vendor vendor.check
      # Go version coming with golangci-lint-action may not be our desired
      # go version. We deploy our desired go version and then skip go
      # installation in golangci-lint-action in the next step as suggested
      # in https://github.com/golangci/golangci-lint-action/issues/183
      - uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      # This action uses its own setup-go, which always seems to use the latest
      # stable version of Go. We could run 'make lint' to ensure our desired Go
      # version, but we prefer this action because it leaves 'annotations' (i.e.
      # it comments on PRs to point out linter violations).
      - name: Lint
        uses: golangci/golangci-lint-action@v3
        with:
          version: ${{ env.GOLANGCI_VERSION }}
          skip-go-installation: true

  check-diff:
    runs-on: ubuntu-20.04
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true'

    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: true

      - name: Setup Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Find the Go Build Cache
        id: go
        run: echo "::set-output name=cache::$(go env GOCACHE)"

      - name: Cache the Go Build Cache
        uses: actions/cache@v2
        with:
          path: ${{ steps.go.outputs.cache }}
          key: ${{ runner.os }}-build-check-diff-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-build-check-diff-

      - name: Cache Go Dependencies
        uses: actions/cache@v2
        with:
          path: .work/pkg
          key: ${{ runner.os }}-pkg-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-pkg-

      - name: Vendor Dependencies
        run: make vendor vendor.check

      - name: Check Diff
        run: make check-diff

  unit-tests:
    runs-on: ubuntu-20.04
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true'

    steps:
      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: true

      - name: Fetch History
        run: git fetch --prune --unshallow

      - name: Setup Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Find the Go Build Cache
        id: go
        run: echo "::set-output name=cache::$(go env GOCACHE)"

      - name: Cache the Go Build Cache
        uses: actions/cache@v2
        with:
          path: ${{ steps.go.outputs.cache }}
          key: ${{ runner.os }}-build-unit-tests-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-build-unit-tests-

      - name: Cache Go Dependencies
        uses: actions/cache@v2
        with:
          path: .work/pkg
          key: ${{ runner.os }}-pkg-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-pkg-

      - name: Vendor Dependencies
        run: make vendor vendor.check

      - name: Run Unit Tests
        run: make -j2 test

      - name: Publish Unit Test Coverage
        uses: codecov/codecov-action@v1
        with:
          flags: unittests
          file: _output/tests/linux_amd64/coverage.txt

  e2e-tests:
    runs-on: ubuntu-20.04
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true'

    steps:
      - name: Setup QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all

      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: ${{ env.DOCKER_BUILDX_VERSION }}
          install: true

      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: true

      - name: Fetch History
        run: git fetch --prune --unshallow

      - name: Setup Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Find the Go Build Cache
        id: go
        run: echo "::set-output name=cache::$(go env GOCACHE)"

      - name: Cache the Go Build Cache
        uses: actions/cache@v2
        with:
          path: ${{ steps.go.outputs.cache }}
          key: ${{ runner.os }}-build-e2e-tests-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-build-e2e-tests-

      - name: Cache Go Dependencies
        uses: actions/cache@v2
        with:
          path: .work/pkg
          key: ${{ runner.os }}-pkg-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-pkg-

      - name: Vendor Dependencies
        run: make vendor vendor.check

      - name: Run the end to end tests
        run: make e2e
        env:
          # We're using docker buildx, which doesn't actually load the images it
          # builds by default. Specifying --load does so.
          BUILD_ARGS: "--load"

  publish-artifacts:
    runs-on: ubuntu-20.04
    needs: detect-noop
    if: needs.detect-noop.outputs.noop != 'true'

    steps:
      - name: Setup QEMU
        uses: docker/setup-qemu-action@v1
        with:
          platforms: all

      - name: Setup Docker Buildx
        uses: docker/setup-buildx-action@v1
        with:
          version: ${{ env.DOCKER_BUILDX_VERSION }}
          install: true

      - name: Checkout
        uses: actions/checkout@v2
        with:
          submodules: true

      - name: Fetch History
        run: git fetch --prune --unshallow

      - name: Setup Go
        uses: actions/setup-go@v2
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Find the Go Build Cache
        id: go
        run: echo "::set-output name=cache::$(go env GOCACHE)"

      - name: Cache the Go Build Cache
        uses: actions/cache@v2
        with:
          path: ${{ steps.go.outputs.cache }}
          key: ${{ runner.os }}-build-publish-artifacts-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-build-publish-artifacts-

      - name: Cache Go Dependencies
        uses: actions/cache@v2
        with:
          path: .work/pkg
          key: ${{ runner.os }}-pkg-${{ hashFiles('**/go.sum') }}
          restore-keys: ${{ runner.os }}-pkg-

      - name: Vendor Dependencies
        run: make vendor vendor.check

      - name: Build Artifacts
        run: make -j2 build.all
        env:
          # We're using docker buildx, which doesn't actually load the images it
          # builds by default. Specifying --load does so.
          BUILD_ARGS: "--load"
      
      - name: Publish Artifacts to GitHub
        uses: actions/upload-artifact@v2
        with:
          name: output
          path: _output/**

      - name: Login to Upbound
        uses: docker/login-action@v1
        if: env.XPKG_ACCESS_ID != ''
        with:
          registry: xpkg.upbound.io
          username: ${{ secrets.XPKG_ACCESS_ID }}
          password: ${{ secrets.XPKG_TOKEN }}
      
      - name: Publish Artifacts to Upbound
        run: make -j2 publish BRANCH_NAME=${GITHUB_REF##*/}
        if: env.XPKG_ACCESS_ID != ''
        env:
          GIT_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}