Merge pull request #506 from MicroPhase/antsdr #7
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| name: Build OpenWrt Images | |
| on: | |
| push: | |
| branches: ["master"] | |
| # Version tags trigger a full build. Tag triggers are intentionally not | |
| # combined with a paths filter: GitHub applies paths filtering to tag | |
| # pushes too, which would skip tags whose commit doesn't touch those paths. | |
| tags: | |
| - "openwrt-openwifi_v*" | |
| pull_request: | |
| branches: ["master"] | |
| types: [opened, reopened, synchronize, labeled] | |
| workflow_dispatch: | |
| env: | |
| # Default openwrt-openwifi ref. Pushing a tag openwrt-openwifi_vX.Y.Z builds | |
| # that branch instead (resolved in the gate job). | |
| OPENWRT_OPENWIFI_REF: openwrt-openwifi_v25.12.5 | |
| # Follow whoever runs this workflow: your fork when testing, the upstream org | |
| # on PRs/merges. Requires an openwrt-openwifi repo under the same owner. | |
| OPENWRT_OPENWIFI_REPO: https://github.com/${{ github.repository_owner }}/openwrt-openwifi.git | |
| # Bump this to invalidate all cached toolchains. | |
| TOOLCHAIN_CACHE_VERSION: v1 | |
| jobs: | |
| # Decide whether the (expensive) image build should run. A single workflow | |
| # reacts to several situations with OR semantics that the built-in event | |
| # filters cannot express together: | |
| # - push of a version tag openwrt-openwifi_v* -> build | |
| # - manual workflow_dispatch -> build | |
| # - push to master touching the openwrt build files -> build | |
| # - pull request that touches those files OR carries -> build | |
| # the 'openwrt-version' label | |
| gate: | |
| name: Decide whether to build | |
| runs-on: ubuntu-latest | |
| outputs: | |
| run: ${{ steps.decide.outputs.run }} | |
| ref: ${{ steps.decide.outputs.ref }} | |
| env: | |
| GH_TOKEN: ${{ github.token }} | |
| EVENT: ${{ github.event_name }} | |
| REF: ${{ github.ref }} | |
| REPO: ${{ github.repository }} | |
| BEFORE: ${{ github.event.before }} | |
| SHA: ${{ github.sha }} | |
| PR_NUMBER: ${{ github.event.pull_request.number }} | |
| # Untrusted (user-controlled) label names are passed as JSON via env and | |
| # parsed with jq, never interpolated into the shell, to avoid injection. | |
| PR_LABELS: ${{ toJson(github.event.pull_request.labels.*.name) }} | |
| PATHS_REGEX: '^(doc/img_build_instruction/openwrt/|[.]github/workflows/build-openwrt-images[.]yml$)' | |
| steps: | |
| - name: Decide | |
| id: decide | |
| run: | | |
| set -euo pipefail | |
| run=false | |
| case "$EVENT" in | |
| workflow_dispatch) | |
| run=true ;; | |
| push) | |
| if [[ "$REF" == refs/tags/* ]]; then | |
| run=true | |
| elif gh api "repos/$REPO/compare/$BEFORE...$SHA" --jq '.files[].filename' \ | |
| | grep -qE "$PATHS_REGEX"; then | |
| run=true | |
| fi ;; | |
| pull_request) | |
| if printf '%s' "$PR_LABELS" | jq -e 'any(. == "openwrt-version")' >/dev/null; then | |
| run=true | |
| elif gh api "repos/$REPO/pulls/$PR_NUMBER/files" --paginate --jq '.[].filename' \ | |
| | grep -qE "$PATHS_REGEX"; then | |
| run=true | |
| fi ;; | |
| esac | |
| # A version tag overrides the pinned default so pushing | |
| # openwrt-openwifi_vX.Y.Z builds that openwrt-openwifi branch. | |
| if [[ "$REF" == refs/tags/openwrt-openwifi_v* ]]; then | |
| resolved_ref="${REF#refs/tags/}" | |
| else | |
| resolved_ref="$OPENWRT_OPENWIFI_REF" | |
| fi | |
| echo "run=$run" >> "$GITHUB_OUTPUT" | |
| echo "ref=$resolved_ref" >> "$GITHUB_OUTPUT" | |
| echo "event=$EVENT ref=$REF -> run=$run openwrt-ref=$resolved_ref" | |
| # Discover boards from the *_defconfig files. Emits: | |
| # boards - JSON array of every board name (drives the build matrix) | |
| # prepare - JSON array of {arch, board}, one representative board per | |
| # target architecture (drives the toolchain-warming matrix) | |
| # Fanning boards out into parallel jobs avoids the GitHub Actions 6-hour | |
| # per-job limit that a single serial build of all boards would hit. | |
| discover: | |
| name: Discover boards | |
| needs: gate | |
| if: needs.gate.outputs.run == 'true' | |
| runs-on: ubuntu-latest | |
| env: | |
| RESOLVED_REF: ${{ needs.gate.outputs.ref }} | |
| outputs: | |
| boards: ${{ steps.set.outputs.boards }} | |
| prepare: ${{ steps.set.outputs.prepare }} | |
| ref: ${{ needs.gate.outputs.ref }} | |
| steps: | |
| - name: Clone openwrt-openwifi | |
| run: | | |
| git clone --depth 1 --branch "$RESOLVED_REF" \ | |
| "$OPENWRT_OPENWIFI_REPO" openwrt-openwifi | |
| - name: Build matrices | |
| id: set | |
| run: | | |
| cd openwrt-openwifi/configs | |
| boards=$(ls *_defconfig | sed 's/_defconfig$//' | jq -R . | jq -sc .) | |
| echo "boards=$boards" >> "$GITHUB_OUTPUT" | |
| echo "Boards: $boards" | |
| # One representative board per target architecture. All boards of the | |
| # same arch share an identical toolchain, so it only needs building | |
| # once. | |
| declare -A rep | |
| for f in *_defconfig; do | |
| board="${f%_defconfig}" | |
| arch=$(grep -oE 'CONFIG_TARGET_[a-z0-9]+=y' "$f" | head -1 \ | |
| | sed -E 's/CONFIG_TARGET_(.+)=y/\1/') | |
| [[ -n "${rep[$arch]:-}" ]] || rep[$arch]="$board" | |
| done | |
| prepare=$(for a in "${!rep[@]}"; do | |
| printf '{"arch":"%s","board":"%s"}\n' "$a" "${rep[$a]}" | |
| done | jq -sc .) | |
| echo "prepare=$prepare" >> "$GITHUB_OUTPUT" | |
| echo "Prepare: $prepare" | |
| # Build each distinct toolchain exactly once and store it in the Actions | |
| # cache. Board jobs restore this instead of rebuilding the toolchain. | |
| prepare: | |
| name: Toolchain ${{ matrix.entry.arch }} | |
| needs: discover | |
| runs-on: ubuntu-latest | |
| env: | |
| RESOLVED_REF: ${{ needs.discover.outputs.ref }} | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| entry: ${{ fromJson(needs.discover.outputs.prepare) }} | |
| steps: | |
| - name: Free disk space | |
| uses: jlumbroso/free-disk-space@v1.3.0 | |
| with: | |
| tool-cache: false | |
| android: true | |
| dotnet: true | |
| haskell: true | |
| large-packages: true | |
| docker-images: true | |
| swap-storage: true | |
| - name: Checkout openwifi | |
| uses: actions/checkout@v4 | |
| - name: Clone openwrt-openwifi | |
| run: | | |
| git clone --depth 1 --branch "$RESOLVED_REF" \ | |
| "$OPENWRT_OPENWIFI_REPO" \ | |
| doc/img_build_instruction/openwrt/openwrt-openwifi | |
| - name: Toolchain cache | |
| uses: actions/cache@v4 | |
| with: | |
| key: openwrt-toolchain-${{ needs.discover.outputs.ref }}-${{ matrix.entry.arch }}-${{ env.TOOLCHAIN_CACHE_VERSION }} | |
| path: | | |
| doc/img_build_instruction/openwrt/openwrt-openwifi/staging_dir/toolchain-* | |
| doc/img_build_instruction/openwrt/openwrt-openwifi/staging_dir/host* | |
| doc/img_build_instruction/openwrt/openwrt-openwifi/build_dir/toolchain-* | |
| doc/img_build_instruction/openwrt/openwrt-openwifi/build_dir/host* | |
| - name: Build Docker image | |
| working-directory: doc/img_build_instruction/openwrt | |
| run: docker build -t openwrt:debian_12 . | |
| - name: Initialize OpenWrt feeds | |
| working-directory: doc/img_build_instruction/openwrt | |
| run: | | |
| docker run --user "$(id -u):$(id -g)" --rm --ulimit 'nofile=1024:262144' \ | |
| --volume "$PWD/openwrt-openwifi:/workdir" \ | |
| --workdir /workdir openwrt:debian_12 /bin/bash -c \ | |
| "./scripts/feeds update && ./scripts/feeds install -a" | |
| - name: Build toolchain | |
| working-directory: doc/img_build_instruction/openwrt | |
| env: | |
| BOARD: ${{ matrix.entry.board }} | |
| run: | | |
| # If the cache already provided the toolchain, make skips the work. | |
| docker run --user "$(id -u):$(id -g)" --rm --ulimit 'nofile=1024:262144' \ | |
| --volume "$PWD/openwrt-openwifi:/workdir" \ | |
| --workdir /workdir openwrt:debian_12 /bin/bash -c \ | |
| "cp ./configs/${BOARD}_defconfig .config && make defconfig && \ | |
| make -j\$(nproc) V=sc tools/install toolchain/install" | |
| build: | |
| name: Build ${{ matrix.board }} | |
| needs: [discover, prepare] | |
| runs-on: ubuntu-latest | |
| env: | |
| RESOLVED_REF: ${{ needs.discover.outputs.ref }} | |
| # Boards build independently; a failure on one does not abort the others. | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| board: ${{ fromJson(needs.discover.outputs.boards) }} | |
| steps: | |
| - name: Free disk space | |
| uses: jlumbroso/free-disk-space@v1.3.0 | |
| with: | |
| tool-cache: false | |
| android: true | |
| dotnet: true | |
| haskell: true | |
| large-packages: true | |
| docker-images: true | |
| swap-storage: true | |
| - name: Check available disk space | |
| run: df -h / | |
| - name: Checkout openwifi | |
| uses: actions/checkout@v4 | |
| - name: Clone openwrt-openwifi | |
| run: | | |
| git clone --depth 1 --branch "$RESOLVED_REF" \ | |
| "$OPENWRT_OPENWIFI_REPO" \ | |
| doc/img_build_instruction/openwrt/openwrt-openwifi | |
| - name: Point openwifi feed at this owner | |
| working-directory: doc/img_build_instruction/openwrt/openwrt-openwifi | |
| env: | |
| OWNER: ${{ github.repository_owner }} | |
| run: | | |
| # OpenWrt uses feeds.conf if present, otherwise feeds.conf.default. | |
| feeds_file=feeds.conf | |
| [ -f "$feeds_file" ] || feeds_file=feeds.conf.default | |
| sed -i -E "s#(src-git openwifi https://github.com/)[^/]+/#\1${OWNER}/#" "$feeds_file" | |
| grep '^src-git openwifi' "$feeds_file" | |
| - name: Determine target architecture | |
| id: meta | |
| working-directory: doc/img_build_instruction/openwrt/openwrt-openwifi | |
| run: | | |
| arch=$(grep -oE 'CONFIG_TARGET_[a-z0-9]+=y' \ | |
| "configs/${{ matrix.board }}_defconfig" | head -1 \ | |
| | sed -E 's/CONFIG_TARGET_(.+)=y/\1/') | |
| echo "arch=$arch" >> "$GITHUB_OUTPUT" | |
| echo "Architecture: $arch" | |
| - name: Restore toolchain cache | |
| uses: actions/cache/restore@v4 | |
| with: | |
| key: openwrt-toolchain-${{ needs.discover.outputs.ref }}-${{ steps.meta.outputs.arch }}-${{ env.TOOLCHAIN_CACHE_VERSION }} | |
| path: | | |
| doc/img_build_instruction/openwrt/openwrt-openwifi/staging_dir/toolchain-* | |
| doc/img_build_instruction/openwrt/openwrt-openwifi/staging_dir/host* | |
| doc/img_build_instruction/openwrt/openwrt-openwifi/build_dir/toolchain-* | |
| doc/img_build_instruction/openwrt/openwrt-openwifi/build_dir/host* | |
| - name: Build Docker image | |
| working-directory: doc/img_build_instruction/openwrt | |
| run: docker build -t openwrt:debian_12 . | |
| - name: Initialize OpenWrt feeds | |
| working-directory: doc/img_build_instruction/openwrt | |
| run: | | |
| docker run --user "$(id -u):$(id -g)" --rm --ulimit 'nofile=1024:262144' \ | |
| --volume "$PWD/openwrt-openwifi:/workdir" \ | |
| --workdir /workdir openwrt:debian_12 /bin/bash -c \ | |
| "./scripts/feeds update && ./scripts/feeds install -a" | |
| - name: Build image | |
| working-directory: doc/img_build_instruction/openwrt | |
| env: | |
| OPENWIFI_GITHUB_OWNER: ${{ github.repository_owner }} | |
| run: | | |
| bash build_image_for_board.sh "${{ matrix.board }}" | |
| # Show disk usage after the build | |
| df -h / | |
| - name: Upload images as artifacts | |
| uses: actions/upload-artifact@v4 | |
| with: | |
| name: openwrt-images-${{ matrix.board }} | |
| path: doc/img_build_instruction/openwrt/output_images/*.img.gz | |
| if-no-files-found: error | |
| retention-days: 30 |