docker.yaml

name: Docker

on:
  workflow_dispatch:
  pull_request:
    branches:
      - main
    paths-ignore:
      - 'site/**'

permissions:
  contents: read

jobs:
  docker:
    name: Docker
    runs-on: ubuntu-20.04
    timeout-minutes: 30
    strategy:
      fail-fast: false
      matrix:
        ipFamily: [ipv4, ipv6]
        deployment: [singleNode, multiNode]
    env:
      JOB_NAME: "docker-${{ matrix.deployment }}-${{ matrix.ipFamily }}"
      IP_FAMILY: ${{ matrix.ipFamily }}
    steps:
      - name: Check out code into the Go module directory
        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2

      - name: Get go version
        id: golangversion
        run: |
          echo "go_version=$(cat .go-version)" >> "$GITHUB_OUTPUT"

      - name: Set up Go
        id: go
        uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5.0.0
        with:
          go-version: ${{ steps.golangversion.outputs.go_version }}
          check-latest: true

      - name: Install kind
        run: sudo make install INSTALL_DIR=/usr/local/bin

      - name: Install kubectl
        run: |
          curl -LO https://dl.k8s.io/release/$(curl -sL https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl
          chmod +x ./kubectl
          sudo mv ./kubectl /usr/local/bin/kubectl

      - name: Enable ipv4 and ipv6 forwarding
        run: |
          sudo sysctl -w net.ipv6.conf.all.forwarding=1
          sudo sysctl -w net.ipv4.ip_forward=1

      - name: Create single node cluster
        if: ${{ matrix.deployment == 'singleNode' }}
        run: |
          cat <<EOF | /usr/local/bin/kind create cluster -v7 --wait 1m --retain --config=-
          kind: Cluster
          apiVersion: kind.x-k8s.io/v1alpha4
          networking:
            ipFamily: ${IP_FAMILY}
          EOF

      - name: Create multi node cluster
        if: ${{ matrix.deployment == 'multiNode' }}
        run: |
          cat <<EOF | /usr/local/bin/kind create cluster -v7 --wait 1m --retain --config=-
          kind: Cluster
          apiVersion: kind.x-k8s.io/v1alpha4
          networking:
            ipFamily: ${IP_FAMILY}
          nodes:
          - role: control-plane
          - role: worker
          - role: worker
          EOF

      - name: Get Cluster status
        run: |
          # wait network is ready
          kubectl wait --for=condition=ready pods --namespace=kube-system -l k8s-app=kube-dns
          kubectl get nodes -o wide
          kubectl get pods -A

      - name: Load docker image
        run: |
          docker pull busybox
          /usr/local/bin/kind load docker-image busybox

      - name: Export logs
        if: always()
        run: |
          mkdir -p /tmp/kind/logs
          /usr/local/bin/kind export logs /tmp/kind/logs
          sudo chown -R $USER:$USER /tmp/kind/logs

      - name: Upload logs
        if: always()
        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1
        with:
          name: kind-logs-${{ env.JOB_NAME }}-${{ github.run_id }}
          path: /tmp/kind/logs

      - name: Delete cluster
        run: /usr/local/bin/kind delete cluster