name: e2e
on:
  push:
    branches:
      - 'main'
      - 'release*'
    paths-ignore:
      - 'README.md'
      - 'docs/**'
      - '.github/config.yml'
  pull_request:
    branches:
      - 'main'
      - 'release*'
    paths-ignore:
      - 'README.md'
      - 'docs/**'
      - '.github/config.yml'

jobs:
  e2e-test:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Unshallow
        run: git fetch --prune --unshallow

      - name: Set up Go 
        uses: actions/setup-go@v2
        with:
          go-version: 1.16

      - name: Set up Helm
        uses: azure/setup-helm@v1
        with:
          version: v3.5.0

      - name: Set up chart-testing
        uses: helm/chart-testing-action@v2.0.1

      - name: Cache Go modules
        uses: actions/cache@v1
        with:
          path: ~/go/pkg/mod
          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-go-

      - name: Test Policy
        run: |
          if [[ ${{ github.event_name }} == "push" ]]
          then
            GIT_BRANCH=${GITHUB_REF##*/}
          elif [[ ${{ github.event_name }} == "pull_request" ]]
          then
            GIT_BRANCH=${{ github.event.pull_request.base.ref }}
          fi

          CLI_PATH=cmd/cli/kubectl-kyverno

          go run $PWD/$CLI_PATH/main.go test https://github.com/kyverno/policies/$GIT_BRANCH
          go run $PWD/$CLI_PATH/main.go test https://github.com/kyverno/policies --git-branch $GIT_BRANCH
          go run $PWD/$CLI_PATH/main.go test https://github.com/kyverno/policies/pod-security/restricted -b $GIT_BRANCH
          go run $PWD/$CLI_PATH/main.go test ./test/cli/test-mutate
          go run $PWD/$CLI_PATH/main.go test ./test/cli/test
          go run $PWD/$CLI_PATH/main.go test ./test/cli/test-fail/missing-policy && exit 1 || exit 0
          go run $PWD/$CLI_PATH/main.go test ./test/cli/test-fail/missing-rule && exit 1 || exit 0
          go run $PWD/$CLI_PATH/main.go test ./test/cli/test-fail/missing-resource && exit 1 || exit 0
      
      - name: gofmt check
        run: |
         if [ "$(gofmt -s -l . | wc -l)" -ne 0 ] 
         then
          echo "The following files were found to be not go formatted:"
          gofmt -s -l .
          echo "Please run 'make fmt' to go format the above files."
          exit 1
         fi

      - name: golangci-lint
        uses: reviewdog/action-golangci-lint@v1

      - name: docker images build (AMD64)
        run: |
          make docker-build-all-amd64

      - name :  Create Kind Cluster and setup kustomize
        run: |
          make create-e2e-infrastruture

      - name: e2e testing
        run: |
          echo ">>> Install Kyverno"
          sed 's/imagePullPolicy:.*$/imagePullPolicy: IfNotPresent/g' ${GITHUB_WORKSPACE}/config/install.yaml | kubectl apply -f -
          kubectl apply -f ${GITHUB_WORKSPACE}/config/github/rbac.yaml
          chmod a+x ${GITHUB_WORKSPACE}/scripts/verify-deployment.sh
          sleep 50
          echo ">>> Check kyverno"
          kubectl get pods -n kyverno
          ${GITHUB_WORKSPACE}/scripts/verify-deployment.sh -n kyverno  kyverno
          sleep 20
          echo ">>> Expose the Kyverno's service's metric server to the host"
          kubectl port-forward svc/kyverno-svc-metrics -n kyverno 8000:8000 &
          echo ">>> Run Kyverno e2e test"
          make test-e2e
          kubectl delete -f ${GITHUB_WORKSPACE}/config/install.yaml

      - name: Update chart values
        run: |
          sed -i -e "s|nameOverride:.*|nameOverride: kyverno|g" charts/kyverno/values.yaml
          sed -i -e "s|fullnameOverride:.*|fullnameOverride: kyverno|g" charts/kyverno/values.yaml
          sed -i -e "s|namespace:.*|namespace: kyverno|g" charts/kyverno/values.yaml
          sed -i -e "s|tag:  # replaced in e2e tests|tag: $(git describe --match "v[0-9]*")|" charts/kyverno/values.yaml

      - name: Run chart-testing (install)
        run: |
          kubectl create namespace kyverno
          ct install --target-branch=main --namespace=kyverno --charts charts/kyverno

      - name: Run chart-testing (policies)
        run: |
          helm install kyverno charts/kyverno -n kyverno
          helm install kyverno-policies charts/kyverno-policies -n kyverno

      - name: Debug failure
        if: failure()
        run: |
          kubectl get mutatingwebhookconfigurations,validatingwebhookconfigurations
          kubectl -n kyverno get pod
          kubectl -n kyverno describe pod | grep -i events -A10
          kubectl -n kyverno logs deploy/kyverno