Build flake outputs #367
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| --- | |
| name: Cachix | |
| on: | |
| push: | |
| pull_request: | |
| workflow_dispatch: | |
| inputs: | |
| force-rebuild: | |
| description: Force a rebuild by skipping the check for the deployment specification artifact. | |
| type: boolean | |
| deployments: | |
| description: | | |
| JSON array of machines to deploy to. | |
| Each machine should be represented by its hostname. | |
| For example, `[ "alpha", "bravo" ]`. | |
| type: string | |
| run-name: ${{ inputs.deployments != '' && 'Deploy NixOS configuration' || 'Build flake outputs' }} | |
| # Builds and deployments are in separate concurrency groups. | |
| # Builds can cancel other in-progress builds on the same ref. | |
| # Deployments will not cancel other in-progress deployments (but will cancel existing pending deployments), | |
| # no matter what ref. | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ inputs.deployments != '' && 'deploy' || 'build' }}${{ inputs.deployments != '' && '' || format('-{0}', github.ref) }} | |
| cancel-in-progress: ${{ inputs.deployments == '' }} | |
| jobs: | |
| check-flake: | |
| runs-on: ubuntu-22.04 | |
| if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - uses: cachix/install-nix-action@v27 | |
| with: | |
| github_access_token: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Check flake | |
| run: nix flake check --keep-going --impure # devenv requires impure | |
| generate-deploy-spec-matrix: | |
| runs-on: ubuntu-22.04 | |
| if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name | |
| needs: [check-flake] | |
| outputs: | |
| matrix: ${{ steps.generate.outputs.matrix }} | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - uses: cachix/install-nix-action@v27 | |
| with: | |
| github_access_token: ${{ secrets.GITHUB_TOKEN }} | |
| - id: generate | |
| name: Generate matrix of deploy specs | |
| env: | |
| DEPLOYMENTS: ${{ inputs.deployments }} | |
| run: | | |
| matrix=$(nix develop .#ci --impure --allow-import-from-derivation --command generate-deploy-spec-matrix.sh . "$DEPLOYMENTS") | |
| printf '%s' "matrix=$matrix" >> "$GITHUB_OUTPUT" | |
| build-deploy-specs: | |
| runs-on: ubuntu-22.04 | |
| if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name | |
| needs: [generate-deploy-spec-matrix] | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| deploy-spec: ${{ fromJson(needs.generate-deploy-spec-matrix.outputs.matrix) }} | |
| steps: | |
| - id: check-deploy-spec-artifact | |
| if: ${{ !inputs.force-rebuild }} | |
| uses: dawidd6/action-download-artifact@v2 | |
| with: | |
| name: ${{ matrix.deploy-spec.hash-name }} | |
| workflow_conclusion: "" | |
| search_artifacts: true | |
| if_no_artifact_found: ignore | |
| - uses: jlumbroso/free-disk-space@v1.3.1 | |
| with: | |
| tool-cache: true | |
| swap-storage: false | |
| - if: ${{ inputs.force-rebuild || !fromJSON(steps.check-deploy-spec-artifact.outputs.found_artifact) }} | |
| uses: actions/checkout@v4 | |
| - name: Build deploy specification | |
| if: ${{ inputs.force-rebuild || !fromJSON(steps.check-deploy-spec-artifact.outputs.found_artifact) }} | |
| uses: ./.github/actions/build | |
| with: | |
| github-token: ${{ secrets.GITHUB_TOKEN }} | |
| cachix-auth-token: ${{ secrets.CACHIX_AUTH_TOKEN }} | |
| derivation: ".#${{ matrix.deploy-spec.flake-output }}" | |
| cachix-extra-pull-names: "nix-gaming, hyprland, nix-community" | |
| - if: ${{ inputs.force-rebuild || !fromJSON(steps.check-deploy-spec-artifact.outputs.found_artifact) }} | |
| uses: actions/upload-artifact@v3 | |
| with: | |
| name: ${{ matrix.deploy-spec.hash-name }} | |
| path: ./result | |
| build-result: # https://github.com/orgs/community/discussions/26822#discussioncomment-5122101 | |
| runs-on: ubuntu-22.04 | |
| needs: [build-deploy-specs] | |
| if: ${{ always() }} | |
| steps: | |
| - if: ${{ contains(needs.*.result, 'failure') }} | |
| run: exit 1 | |
| deploy: | |
| runs-on: ubuntu-22.04 | |
| needs: [generate-deploy-spec-matrix, build-deploy-specs] | |
| if: ${{ github.event_name == 'workflow_dispatch' && inputs.deployments != '' }} | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| deploy-spec: ${{ fromJson(needs.generate-deploy-spec-matrix.outputs.matrix) }} | |
| steps: | |
| - id: download-deploy-spec-artifact | |
| uses: dawidd6/action-download-artifact@v2 | |
| with: | |
| name: ${{ matrix.deploy-spec.hash-name }} | |
| workflow_conclusion: "" | |
| search_artifacts: true | |
| - uses: cachix/install-nix-action@v27 | |
| with: | |
| github_access_token: ${{ secrets.GITHUB_TOKEN }} | |
| - uses: cachix/cachix-action@v12 | |
| with: | |
| name: playernamehere-nixos | |
| skipPush: true | |
| - name: Deploy | |
| env: | |
| CACHIX_ACTIVATE_TOKEN: "${{ secrets.CACHIX_ACTIVATE_TOKEN }}" | |
| run: | | |
| cachix deploy activate ./result |