integration_test.yml

name: Integration test

on: # yamllint disable-line rule:truthy
  workflow_call:

env:
  OUTPUT_DIR: _output/
  FILE_NAME: kepler_libbpf.tar.gz
  ARTIFACT_DIR: /tmp/artifacts

jobs:
  build-kepler:
    runs-on: ubuntu-latest
    env:
      CTR_CMD: docker
    steps:
      # checkout source code
      - name: checkout source
        uses: actions/checkout@v4
      # set up golang
      - name: install Go
        uses: actions/setup-go@v5
        with:
          go-version-file: go.mod
      # build kepler image
      - name: build and export Kepler image
        run: |
          make build_image
          make save-image
        env:
          IMAGE_REPO: localhost:5001
          IMAGE_NAME: kepler
          IMAGE_TAG: devel
          IMAGE_OUTPUT_PATH: ${{env.OUTPUT_DIR}}${{env.FILE_NAME}}
      # save kepler image
      - name: save Kepler image as artifact
        uses: actions/upload-artifact@v4.6.0
        with:
          name: keplerlibbpf
          path: ${{env.OUTPUT_DIR}}${{env.FILE_NAME}}
          retention-days: 1
          # ref https://docs.github.com/en/actions/using-workflows/storing-workflow-data-as-artifacts
          # as PR or Push event, we don't keep artifact in 90 days hence use 1 day here to save resources.

  integration_test_with_libbpf:
    needs: [build-kepler]
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        cluster_provider: [kind]
    env:
      CTR_CMD: docker
    steps:
      - name: checkout source
        uses: actions/checkout@v4

      - name: download Kepler image artifact
        uses: actions/download-artifact@v4
        with:
          name: keplerlibbpf

      - name: Install all tools
        uses: ./.github/tools-cache

      - name: build manifest
        run: make build-manifest OPTS="CI_DEPLOY DEBUG_DEPLOY"
        env:
          CLUSTER_PROVIDER: ${{matrix.cluster_provider}}
          IMAGE_REPO: localhost:5001
          IMAGE_TAG: devel

      - name: import Kepler image
        run: make load-image
        env:
          IMAGE_REPO: localhost:5001
          IMAGE_NAME: kepler
          IMAGE_TAG: devel
          INPUT_PATH: ${{env.FILE_NAME}}
      # set up k8s cluster with ebpf
      - name: use Kepler action to deploy cluster
        uses: sustainable-computing-io/kepler-action@v0.0.7
        with:
          ebpfprovider: libbpf
          cluster_provider: ${{matrix.cluster_provider}}
          local_dev_cluster_version: v0.0.5

      - name: push Kepler image to local registry
        run: |
          make push-image
          make image-prune
        env:
          IMAGE_REPO: localhost:5001
          IMAGE_NAME: kepler
          IMAGE_TAG: devel

      - name: deploy Kepler on cluster
        run: make cluster-deploy
        env:
          CLUSTER_PROVIDER: ${{matrix.cluster_provider}}
          NO_BUILDS: true
          KUBECONFIG: /tmp/kubeconfig

      - name: Save artifacts
        if: ${{ failure() }}
        uses: actions/upload-artifact@v4.6.0
        with:
          name: artifacts
          path: ${{env.ARTIFACT_DIR}}
          retention-days: 10

      - name: run e2e tests
        run: make e2e
        env:
          CLUSTER_PROVIDER: ${{matrix.cluster_provider}}
          KUBECONFIG: /tmp/kubeconfig

      - name: undeploy Kepler and cleanup the cluster
        run: |
          make cluster-clean
          make cluster-down
        env:
          CLUSTER_PROVIDER: ${{matrix.cluster_provider}}