ci(lint) Add github actions. Fix #3

- linters: go, markdown, dockerfile
- golang: dependencies, generated files
- kubernetes: crd, default and samples validation
- build: docker

Signed-off-by: Pierre Péronnet <pierre.peronnet@ovhcloud.com>

.github/workflows/build.yml

@@ -0,0 +1,17 @@
+on: [push, pull_request]
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build dev
+      run: make docker-build IMG='goharbor/harbor-operator:${{ github.sha }}'
+    - run: docker tag goharbor/harbor-operator:${{ github.sha }} goharbor/harbor-operator:dev
+      if: github.head_ref == 'refs/heads/master'
+    # TODO Push image to the registry
+    - run: |
+        export REF="${{ github.ref }}"
+        docker tag 'goharbor/harbor-operator:${{ github.sha }}' "goharbor/harbor-operator:${REF##*/}"
+      if: github.head_ref != 'refs/heads/master'
+    # TODO Push image to the registry

.github/workflows/golang.yml

@@ -0,0 +1,35 @@
+on:
+  pull_request:
+    branches:
+    - master
+
+jobs:
+  go-dependencies:
+    runs-on: ubuntu-latest
+    name: Dependencies are up to date
+    steps:
+    - uses: actions/setup-go@v1
+      with:
+        go-version: 1.13
+    - name: Checkout
+      uses: actions/checkout@v2
+    - run: go mod tidy
+    - run: go mod vendor
+    - run: go mod graph
+    - run: git status
+    - name: Check diff
+      run: test -z "$(git diff-index --diff-filter=d --name-only HEAD -- 'vendor' | grep -v 'vendor/modules.txt')"
+
+  generated-files:
+    runs-on: ubuntu-latest
+    name: Generated files are up to date
+    steps:
+    - uses: actions/setup-go@v1
+      with:
+        go-version: 1.13
+    - name: Checkout
+      uses: actions/checkout@v2
+    - run: make generate
+    - name: Check diff
+      run: test -z "$(git diff-index --diff-filter=d --name-only HEAD -- 'vendor' | grep -v 'vendor/modules.txt')"
+

.github/workflows/kubernetes.yml

@@ -0,0 +1,39 @@
+on: push
+
+jobs:
+  crd:
+    runs-on: ubuntu-latest
+    name: ./config/crd validation
+    steps: 
+    - run: sudo apt-get install -y bzr # Required to install controller-gen in make manifests
+    - uses: actions/checkout@v2
+    - run: make manifests
+    - uses: azure/k8s-bake@v1
+      with:
+        renderEngine: 'kustomize'
+        kustomizationPath: './config/crd'
+        kubectl-version: 'latest'
+
+  operator:
+    runs-on: ubuntu-latest
+    name: ./config/default validation
+    steps: 
+    - run: sudo apt-get install -y bzr # Required to install controller-gen in make manifests
+    - uses: actions/checkout@v2
+    - run: make manifests
+    - uses: azure/k8s-bake@v1
+      with:
+        renderEngine: 'kustomize'
+        kustomizationPath: './config/default'
+        kubectl-version: 'latest'
+
+  samples:
+    runs-on: ubuntu-latest
+    name: ./config/samples validation
+    steps: 
+    - uses: actions/checkout@v2
+    - uses: azure/k8s-bake@v1
+      with:
+        renderEngine: 'kustomize'
+        kustomizationPath: './config/samples'
+        kubectl-version: 'latest'

.github/workflows/lint.yml

@@ -0,0 +1,39 @@
+on:
+  pull_request:
+    branches:
+    - master
+
+jobs:
+  go-lint:
+    runs-on: ubuntu-latest
+    name: GoLint
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run golangci-lint
+      uses: actions-contrib/golangci-lint@v1
+      with:
+        golangci_lint_version: 1.22.2
+
+  md-lint:
+    runs-on: ubuntu-latest
+    name: MdLint
+    steps:
+    - uses: actions/checkout@v2
+    - name: markdownlint-cli
+      uses: nosborn/github-action-markdown-cli@v1.1.1
+      with:
+        files: .
+        config_file: ".markdownlint.json"
+        ignore_files: "vendor"
+
+  docker-lint:
+    runs-on: ubuntu-latest
+    name: DockerLint
+    steps: 
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: lint
+      uses: luke142367/Docker-Lint-Action@v1.0.0
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        TARGET: Dockerfile