name: Fission CI

on:
  push:
    branches:
      - main
    paths:
      - "**.go"
      - "charts/**"
      - "test/**"
      - go.mod
      - go.sum
  pull_request:
    branches:
      - main
    paths:
      - "**.go"
      - "charts/**"
      - "test/**"
      - go.mod
      - go.sum
  workflow_dispatch:

env:
  HELM_VERSION: v3.10.1
  KIND_VERSION: v0.20.0

jobs:
  # Job to run change detection
  integration-test:
    runs-on: ${{ matrix.os }}
    if: ${{ !contains(github.event.pull_request.labels.*.name, 'skip-ci') }}
    strategy:
      fail-fast: false
      matrix:
        kindversion: ["v1.23.17", "v1.25.11", "v1.27.3"]
        os: [ubuntu-latest]
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - name: setup go
        uses: actions/setup-go@v3
        with:
          go-version-file: "go.mod"
          cache: true

      - name: Checkout sources
        uses: actions/checkout@v3
        with:
          repository: fission/examples
          path: examples

      - name: Helm installation
        uses: Azure/setup-helm@v3
        with:
          version: ${{ env.HELM_VERSION }}

      - name: Kind Cluster
        uses: engineerd/setup-kind@v0.5.0
        with:
          image: kindest/node:${{ matrix.kindversion }}
          version: ${{ env.KIND_VERSION }}
          config: kind.yaml

      - name: Configuring and testing the Installation
        run: |
          kubectl cluster-info --context kind-kind
          kubectl get nodes
          sudo apt-get install -y apache2-utils
          kubectl config use-context kind-kind
          kubectl config view

      - name: Helm chart lint
        run: |
          helm lint charts/fission-all/

      - name: Install Skaffold
        run: |
          curl -Lo skaffold https://storage.googleapis.com/skaffold/releases/v2.0.3/skaffold-linux-amd64
          sudo install skaffold /usr/local/bin/
          skaffold version

      - name: Install GoReleaser
        uses: goreleaser/goreleaser-action@v3
        with:
          install-only: true

      - name: Setup Prometheus Stack
        run: |
          helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
          helm repo update
          kubectl create ns monitoring
          helm install prometheus prometheus-community/kube-prometheus-stack -n monitoring \
          --version 45.28.0 --set grafana.enabled=false --set alertmanager.enabled=false

      - name: Build and Install Fission CLI
        run: |
          make debug-vars
          make build-fission-cli
          sudo make install-fission-cli
          sudo chmod +x /usr/local/bin/fission

      - name: Build and Install Fission
        timeout-minutes: 10
        run: |
          kubectl create ns fission
          make create-crds
          SKAFFOLD_PROFILE=kind-ci make skaffold-deploy

      - name: Port-forward fission components
        run: |
          kubectl port-forward svc/router 8888:80 -nfission &
          kubectl port-forward svc/controller 8889:80 -nfission &

      - name: Get fission version
        timeout-minutes: 10
        run: |
          fission version

      - name: Integration tests
        timeout-minutes: 90
        run: ./test/kind_CI.sh

      - name: Collect Fission Dump
        timeout-minutes: 5
        if: ${{ always() }}
        run: |
          command -v fission && fission support dump

      - name: Kind export logs
        timeout-minutes: 10
        if: ${{ always() }}
        run: |
          kind export logs --name kind kind-logs

      - name: Backup prometheus data
        timeout-minutes: 10
        if: ${{ always() }}
        run: |
          TRACE=1 ./hack/backup-prometheus.sh

      - name: Archive fission dump
        timeout-minutes: 10
        if: ${{ failure() || cancelled() }}
        uses: actions/upload-artifact@v3
        with:
          name: fission-dump-${{ github.run_id }}-${{ matrix.kindversion }}
          path: fission-dump/*.zip
          retention-days: 5

      - name: Archive prometheus dump
        timeout-minutes: 10
        if: ${{ always() }}
        uses: actions/upload-artifact@v3
        with:
          name: prom-dump-${{ github.run_id }}-${{ matrix.kindversion }}
          path: /tmp/prometheus/*
          retention-days: 5

      - name: Archive kind logs
        timeout-minutes: 10
        if: ${{ always() }}
        uses: actions/upload-artifact@v3
        with:
          name: kind-logs-${{ github.run_id }}-${{ matrix.kindversion }}
          path: kind-logs/*
          retention-days: 5

  # Job to ensure backward compatibility if function and builder pods are created
  # inside functionNamespace and builderNamespace
  integration-test-old:
    runs-on: ${{ matrix.os }}
    if: ${{ contains(github.event.pull_request.labels.*.name, 'run-old-ci') }}
    strategy:
      fail-fast: false
      matrix:
        kindversion: ["v1.19.16"]
        os: [ubuntu-latest]
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - name: setup go
        uses: actions/setup-go@v3
        with:
          go-version-file: "go.mod"
          cache: true

      - name: Checkout sources
        uses: actions/checkout@v3
        with:
          repository: fission/examples
          path: examples

      - name: Helm installation
        uses: Azure/setup-helm@v3
        with:
          version: ${{ env.HELM_VERSION }}

      - name: Kind Cluster
        uses: engineerd/setup-kind@v0.5.0
        with:
          image: kindest/node:${{ matrix.kindversion }}
          version: ${{ env.KIND_VERSION }}
          config: kind.yaml

      - name: Configuring and testing the Installation
        run: |
          kubectl cluster-info --context kind-kind
          kubectl get nodes
          sudo apt-get install -y apache2-utils
          kubectl config use-context kind-kind
          kubectl config view

      - name: Helm chart lint
        run: |
          helm lint charts/fission-all/

      - name: Install Skaffold
        run: |
          curl -Lo skaffold https://storage.googleapis.com/skaffold/releases/v2.0.3/skaffold-linux-amd64
          sudo install skaffold /usr/local/bin/
          skaffold version

      - name: Install GoReleaser
        uses: goreleaser/goreleaser-action@v3
        with:
          install-only: true

      - name: Setup Prometheus Stack
        run: |
          helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
          helm repo update
          kubectl create ns monitoring
          helm install prometheus prometheus-community/kube-prometheus-stack -n monitoring \
          --version 45.28.0 --set grafana.enabled=false --set alertmanager.enabled=false

      - name: Build and Install Fission CLI
        run: |
          make debug-vars
          make build-fission-cli
          sudo make install-fission-cli
          sudo chmod +x /usr/local/bin/fission

      - name: Build and Install Fission
        timeout-minutes: 10
        run: |
          kubectl create ns fission
          make create-crds
          SKAFFOLD_PROFILE=kind-ci-old make skaffold-deploy

      - name: Port-forward fission components
        run: |
          kubectl port-forward svc/router 8888:80 -nfission &
          kubectl port-forward svc/controller 8889:80 -nfission &

      - name: Get fission version
        timeout-minutes: 10
        run: |
          fission version

      - name: Integration tests
        timeout-minutes: 90
        run: |
          export FUNCTION_NAMESPACE=fission-function
          export BUILDER_NAMESPACE=fission-builder
          ./test/kind_CI.sh

      - name: Collect Fission Dump
        timeout-minutes: 5
        if: ${{ always() }}
        run: |
          command -v fission && fission support dump

      - name: Kind export logs
        timeout-minutes: 10
        if: ${{ always() }}
        run: |
          kind export logs --name kind kind-logs

      - name: Backup prometheus data
        timeout-minutes: 10
        if: ${{ always() }}
        run: |
          TRACE=1 ./hack/backup-prometheus.sh

      - name: Archive fission dump
        timeout-minutes: 10
        if: ${{ failure() || cancelled() }}
        uses: actions/upload-artifact@v3
        with:
          name: fission-dump-${{ github.run_id }}-${{ github.job_id }}-${{ matrix.kindversion }}
          path: fission-dump/*.zip
          retention-days: 5

      - name: Archive prometheus dump
        timeout-minutes: 10
        if: ${{ always() }}
        uses: actions/upload-artifact@v3
        with:
          name: prom-dump-${{ github.run_id }}-${{ github.job_id }}-${{ matrix.kindversion }}
          path: /tmp/prometheus/*
          retention-days: 5

      - name: Archive kind logs
        timeout-minutes: 10
        if: ${{ always() }}
        uses: actions/upload-artifact@v3
        with:
          name: kind-logs-${{ github.run_id }}-${{ github.job_id }}-${{ matrix.kindversion }}
          path: kind-logs/*
          retention-days: 5