name: e2e-arm64

on:
  workflow_dispatch:
  push:
    branches: [ 'main', 'update-components', 'e2e-*', 'release/**' ]

permissions:
  contents: read

jobs:
  e2e-arm64-kubernetes:
    # Hosted on Equinix
    # Docs: https://github.com/fluxcd/flux2/tree/main/.github/runners
    runs-on: [self-hosted, Linux, ARM64, equinix]
    strategy:
      matrix:
        # Keep this list up-to-date with https://endoflife.date/kubernetes
        # Check which versions are available on DockerHub with 'crane ls kindest/node'
        KUBERNETES_VERSION: [ 1.25.8, 1.26.3, 1.27.3 ]
    steps:
      - name: Checkout
        uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
      - name: Setup Go
        uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
        with:
          go-version: 1.20.x
          cache-dependency-path: |
            **/go.sum
            **/go.mod
      - name: Prepare
        id: prep
        run: |
          ID=${GITHUB_SHA:0:7}-${{ matrix.KUBERNETES_VERSION }}-$(date +%s)
          echo "CLUSTER=arm64-${ID}" >> $GITHUB_OUTPUT
      - name: Build
        run: |
          make build
      - name: Setup Kubernetes Kind
        run: |
          kind create cluster \
          --wait 5m \
          --name ${{ steps.prep.outputs.CLUSTER }} \
          --kubeconfig=/tmp/${{ steps.prep.outputs.CLUSTER }} \
          --image=kindest/node:v${{ matrix.KUBERNETES_VERSION }}
      - name: Run e2e tests
        run: TEST_KUBECONFIG=/tmp/${{ steps.prep.outputs.CLUSTER }} make e2e
      - name: Run multi-tenancy tests
        env:
          KUBECONFIG: /tmp/${{ steps.prep.outputs.CLUSTER }}
        run: |
          ./bin/flux install
          ./bin/flux create source git flux-system \
          --interval=15m \
          --url=https://github.com/fluxcd/flux2-multi-tenancy \
          --branch=main \
          --ignore-paths="./clusters/**/flux-system/"
          ./bin/flux create kustomization flux-system \
          --interval=15m \
          --source=flux-system \
          --path=./clusters/staging
          kubectl -n flux-system wait kustomization/tenants --for=condition=ready --timeout=5m
          kubectl -n apps wait kustomization/dev-team --for=condition=ready --timeout=1m
          kubectl -n apps wait helmrelease/podinfo --for=condition=ready --timeout=1m
      - name: Run monitoring tests
        # Keep this test in sync with https://fluxcd.io/flux/guides/monitoring/
        env:
          KUBECONFIG: /tmp/${{ steps.prep.outputs.CLUSTER }}
        run: |
          ./bin/flux create source git flux-monitoring \
          --interval=30m \
          --url=https://github.com/fluxcd/flux2 \
          --branch=${GITHUB_REF#refs/heads/}
          ./bin/flux create kustomization kube-prometheus-stack \
          --interval=1h \
          --prune \
          --source=flux-monitoring \
          --path="./manifests/monitoring/kube-prometheus-stack" \
          --health-check-timeout=5m \
          --wait
          ./bin/flux create kustomization monitoring-config \
          --depends-on=kube-prometheus-stack \
          --interval=1h \
          --prune=true \
          --source=flux-monitoring \
          --path="./manifests/monitoring/monitoring-config" \
          --health-check-timeout=1m \
          --wait
          kubectl -n flux-system wait kustomization/kube-prometheus-stack --for=condition=ready --timeout=5m
          kubectl -n flux-system wait kustomization/monitoring-config --for=condition=ready --timeout=5m
          kubectl -n monitoring wait helmrelease/kube-prometheus-stack --for=condition=ready --timeout=1m
      - name: Debug failure
        if: failure()
        env:
          KUBECONFIG: /tmp/${{ steps.prep.outputs.CLUSTER }}
        run: |
          kubectl -n flux-system get all
          kubectl -n flux-system describe po 
          kubectl -n flux-system logs deploy/source-controller
          kubectl -n flux-system logs deploy/kustomize-controller
      - name: Cleanup
        if: always()
        run: |
          kind delete cluster --name ${{ steps.prep.outputs.CLUSTER }}
          rm /tmp/${{ steps.prep.outputs.CLUSTER }}