github-runner/.github/workflows/build.yml at main · upcloud-tools/github-runner · GitHub

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name: Build Runner Image

on:
  push:
    branches:
      - main
    paths:
      - "build.sh"
      - "Containerfile"
      - ".github/workflows/build.yml"
      - ".github/actions"
      - ".gitmodules"
  workflow_dispatch:
    inputs:
      minors:
        description: Comma-separated kubectl minors to bake (empty = script default)
        required: false
  schedule:
    - cron: "0 6 * * *" # Daily at 06:00 UTC

permissions:
  contents: read

env:
  REGISTRY: ghcr.io
  IMAGE: upcloud-tools/github-runner

jobs:
  build:
    runs-on: ubuntu-24.04
    permissions:
      packages: write
      contents: read
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          submodules: true

      - name: Log in to GHCR
        uses: ./.github/actions/ghcr-login

      - name: Install cosign
        uses: sigstore/cosign-installer@6f9f17788090df1f26f669e9d70d6ae9567deba6 # v4.1.2

      - name: Restore kubectl download cache
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: ~/.cache/github-runner
          key: kubectl-${{ github.run_id }}
          restore-keys: kubectl-

      - name: Build image
        env:
          KUBECTL_MINORS: ${{ inputs.minors }}
        run: chmod +x build.sh && ./build.sh ${KUBECTL_MINORS//,/ }

      - name: Push image
        run: buildah push "${REGISTRY}/${IMAGE}:latest"