name: Tests

on:
  pull_request:
    branches:
      - master
    types: [opened, synchronize]
    paths-ignore:
      - 'scripts/**'
      - '**/*.md'
  workflow_dispatch:

env:
  GO111MODULE: "on"

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-18.04

    steps:
      - uses: actions/checkout@v2

      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.15

      - name: Restore Go modules from cache
        uses: actions/cache@v2
        with:
          path: /home/runner/go/pkg/mod
          key: deps-${{ hashFiles('go.sum') }}

      - name: Update Go modules
        run: go mod download -json

      - name: Run linter
        run: |
          go get -u -v golang.org/x/lint/golint
          make lint

  vet:
    name: Vet
    runs-on: ubuntu-18.04

    steps:
      - uses: actions/checkout@v2

      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.15

      - name: Restore Go modules from cache
        uses: actions/cache@v2
        with:
          path: /home/runner/go/pkg/mod
          key: deps-${{ hashFiles('go.sum') }}

      - name: Update Go modules
        run: go mod download -json

      - name: Run vet
        run: go vet ./...

  test_cover:
    name: Coverage
    runs-on: ubuntu-18.04

    env:
      CGO_ENABLED: 0
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Sync VM submodule
        run: |
          git submodule sync
          git submodule update --init

      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.15

      - name: Restore Go modules from cache
        uses: actions/cache@v2
        with:
          path: /home/runner/go/pkg/mod
          key: deps-${{ hashFiles('go.sum') }}

      - name: Update Go modules
        run: go mod download -json

      - name: Write coverage profile
        run: go test -v ./... -coverprofile=./coverage.txt -covermode=atomic -coverpkg=./pkg...,./cli/...

      - name: Upload coverage results to Codecov
        uses: codecov/codecov-action@v1
        with:
          fail_ci_if_error: false
          path_to_write_report: ./coverage.txt
          verbose: true

  tests:
    name: Go
    runs-on: ubuntu-18.04
    strategy:
      matrix:
        go_versions: [ '1.13', '1.14', '1.15' ]
      fail-fast: false
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: '${{ matrix.go_versions }}'

      - name: Restore Go modules from cache
        uses: actions/cache@v2
        with:
          path: /home/runner/go/pkg/mod
          key: deps-${{ hashFiles('go.sum') }}

      - name: Update Go modules
        run: go mod download -json

      - name: Sync VM submodule
        run: |
          git submodule sync
          git submodule update --init

      - name: Run tests
        run: go test -v -race ./...

  build_cli:
    name: Build CLI
    runs-on: ubuntu-18.04

    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.15

      - name: Restore Go modules from cache
        uses: actions/cache@v2
        with:
          path: /home/runner/go/pkg/mod
          key: deps-${{ hashFiles('go.sum') }}

      - name: Update Go modules
        run: go mod download -json

      - name: Build CLI
        run: make build

  build_image:
    needs: build_cli
    name: Build Docker image
    runs-on: ubuntu-18.04

    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v2
        with:
          go-version: 1.15

      - name: Restore Go modules from cache
        uses: actions/cache@v2
        with:
          path: /home/runner/go/pkg/mod
          key: deps-${{ hashFiles('go.sum') }}

      - name: Update Go modules
        run: go mod download -json

      - name: Build Docker image
        run: make image