Add sync, build, and release GitHub Actions workflows

Signed-off-by: Dani Llewellyn <[email protected]>
diddlesnaps · Nov 27, 2024 · 2a3e427 · 2a3e427
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diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
@@ -0,0 +1,80 @@
+name: 🏗️ Build new release 
+
+on:
+  workflow_call:
+    inputs:
+      snapd_tags:
+        required: true
+        type: string
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        snapd_tag: ${{ fromJson(inputs.snapd_tags) }}
+        arch:
+        - x86_64
+        - arm64
+    steps:
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -yqq \
+          build-essential \
+          bison \
+          dwarves \
+          flex \
+          libelf-dev \
+          gcc-aarch64-linux-gnu
+    - name: Configrue build variables
+      id: build_variables
+      run: |
+        case "${{ matrix.arch }}" in
+          arm64)
+            ARCH=arm64
+            CROSS_COMPILE=aarch64-linux-gnu-
+            IMAGE_NAME=Image.gz
+            ;;
+          x86|x86_64)
+            ARCH=x86
+            CROSS_COMPILE=
+            IMAGE_NAME=bzImage
+            ;;
+          *)
+            false
+            ;;
+        esac
+
+        echo "::echo::on"
+        echo "::set-output name=architecture::$ARCH"
+        echo "::set-output name=build_output_filename::arch/$ARCH/boot/$IMAGE_NAME"
+        echo "::set-output name=cross_compile::$CROSS_COMPILE"
+        echo "::set-output name=release_asset_filename::vmlinux-wsl2-snapd-${{ matrix.arch }}"
+    - uses: actions/checkout@v3
+      with:
+        ref: ${{ matrix.snapd_tag }}
+    - name: Build ${{ matrix.snapd_tag }}:${{ matrix.arch }}
+      id: build
+      env:
+        ARCH: ${{ steps.build_variables.outputs.architecture }}
+        BUILD_OUTPUT_FILENAME: ${{ steps.build_variables.outputs.build_output_filename }}
+        CROSS_COMPILE: ${{ steps.build_variables.outputs.cross_compile }}
+        IMAGE_NAME: ${{ steps.build_variables.outputs.image_name }}
+        RELEASE_ASSET_FILENAME: ${{ steps.build_variables.outputs.release_asset_filename }}
+      run: |
+        # Verify that the WSL configuration is present
+        [ -f "arch/$ARCH/configs/wsl2_defconfig" ]
+
+        make ARCH="$ARCH" wsl2_defconfig snap_support.config
+        make -j$(nproc) ARCH="$ARCH" ${CROSS_COMPILE:+CROSS_COMPILE=$CROSS_COMPILE}
+
+        cp -f "$BUILD_OUTPUT_FILENAME" "$RELEASE_ASSET_FILENAME"
+    - name: Upload ${{ matrix.snapd_tag }}:${{ matrix.arch }}
+      uses: softprops/action-gh-release@v1
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+        draft: true
+        name: Release ${{ matrix.snapd_tag }}
+        tag_name: ${{ matrix.snapd_tag }}
+        files: ${{ steps.build_variables.outputs.release_asset_filename }}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
@@ -0,0 +1,40 @@
+name: ⚙️ Continuous Delivery
+
+on:
+  schedule:
+  - cron: "0 * * * *"
+  workflow_dispatch:
+
+jobs:
+  trigger-sync:
+    if: ${{ github.repository == 'diddlesnaps/WSL2-Linux-Kernel' }}
+    uses: ./.github/workflows/sync-upstream.yml
+    secrets: inherit
+
+  trigger-tagger:
+    needs: trigger-sync
+    if: ${{ needs.trigger-sync.outputs.missing_tags }}
+    uses: ./.github/workflows/tag-release.yml
+    secrets: inherit
+    with:
+      missing_tags: ${{ needs.trigger-sync.outputs.missing_tags }}
+
+  trigger-build:
+    needs:
+    - trigger-sync # need to expliticly add this to access the outputs
+    - trigger-tagger
+    if: ${{ needs.trigger-sync.outputs.snapd_tags }}
+    uses: ./.github/workflows/build-release.yml
+    secrets: inherit
+    with:
+      snapd_tags: ${{ needs.trigger-sync.outputs.snapd_tags }}
+
+  trigger-publish:
+    needs:
+    - trigger-sync # need to expliticly add this to access the outputs
+    - trigger-build
+    if: ${{ always() && needs.trigger-sync.outputs.snapd_tags }}
+    uses: ./.github/workflows/publish-release.yml
+    secrets: inherit
+    with:
+      snapd_tags: ${{ needs.trigger-sync.outputs.snapd_tags }}
diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
@@ -0,0 +1,33 @@
+name: 🚀 Publish release
+
+on:
+  workflow_call:
+    inputs:
+      snapd_tags:
+        required: true
+        type: string
+
+jobs:
+  publish_or_cleanup:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        snapd_tag: ${{ fromJson(inputs.snapd_tags) }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: Publish release ${{ matrix.snapd_tag }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      run: |
+        [ "$(gh release view "${{ matrix.snapd_tag }}" --repo "${{ github.repository }}" --json assets --template '{{len .assets}}')" -gt 0 ]
+        gh release edit "${{ matrix.snapd_tag }}" --repo "${{ github.repository }}" --draft=false
+    - name: Remove failed release ${{ matrix.snapd_tag }}
+      if: ${{ failure() || cancelled() }}
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        SNAPD_TAG: ${{ matrix.snapd_tag }}
+      run: |
+        UPSTREAM_TAG="${SNAPD_TAG/linux-msft-snapd-/linux-msft-wsl-}"
+        gh release delete "$SNAPD_TAG" --repo "${{ github.repository }}" || true
+        git push origin ":refs/tags/$SNAPD_TAG" || true
+        git push origin ":refs/tags/$UPSTREAM_TAG" || true
diff --git a/.github/workflows/sync-upstream.yml b/.github/workflows/sync-upstream.yml
@@ -0,0 +1,74 @@
+name: 🔄 Sync with upstream
+
+on:
+  workflow_call:
+    outputs:
+      missing_tags:
+        description: The upstream tags that are missing locally
+        value: ${{ jobs.sync_upstream.outputs.missing_tags }}
+      snapd_tags:
+        description: The new tags that we need to create
+        value: ${{ jobs.sync_upstream.outputs.snapd_tags }}
+
+jobs:
+  sync_upstream:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Install dependencies
+      run: |
+        sudo apt-get update
+        sudo apt-get install -yyq jq
+    - uses: actions/checkout@v3
+    - name: Configure GIT
+      run: |
+        git config user.email '[email protected]'
+        git config user.name 'GitHub Actions'
+        git remote add upstream https://github.com/microsoft/WSL2-Linux-Kernel.git
+    - name: Sync from upstream
+      run: |
+        git fetch --tags origin
+        git fetch --tags --prune --progress --no-recurse-submodules upstream +refs/heads/master*:refs/remotes/upstream/master*
+    - name: Parse upstream tags
+      id: parse_tags
+      run: |
+        set -x
+
+        REMOTE_TAGS="$(git show-ref --tags | awk '{print $2}' | cut -d/ -f3 | grep '^linux-msft-wsl-' || true)"
+        ORIGIN_TAGS="$(git ls-remote --tags origin | grep -v '\^{}' | cut -f2 | cut -d/ -f3 | grep '^linux-msft-wsl-' || true)"
+
+        MISSING_TAGS="$(echo "$REMOTE_TAGS" | grep -v -F "$ORIGIN_TAGS" || true)"
+
+        FILTERED_UPSTREAM_TAGS=()
+        FILTERED_SNAPD_TAGS=()
+
+        for UPSTREAM_TAG in $MISSING_TAGS; do
+          # check that we have a non-empty string
+          [ -n "$UPSTREAM_TAG" ] || continue
+
+          # check that the tag name matches the format we're expecting
+          echo "$UPSTREAM_TAG" | grep -Eq '^linux-msft-wsl-([0-9]+\.[0-9]+).*$' || continue
+
+          # check that we haven't already built this tag
+          SNAPD_TAG="${UPSTREAM_TAG/linux-msft-wsl-/linux-msft-snapd-}"
+          [ -z "$(git tag -l "$SNAPD_TAG")" ] || continue
+
+          FILTERED_UPSTREAM_TAGS+=($UPSTREAM_TAG)
+          FILTERED_SNAPD_TAGS+=($SNAPD_TAG)
+        done
+
+        echo '::echo::on'
+        if [ "${#FILTERED_UPSTREAM_TAGS[@]}" -gt 0 ]; then
+          echo "::set-output name=missing_tags::$(jq --compact-output --null-input '$ARGS.positional' --args -- "${FILTERED_UPSTREAM_TAGS[@]}")"
+          echo "::set-output name=snapd_tags::$(jq --compact-output --null-input '$ARGS.positional' --args -- "${FILTERED_SNAPD_TAGS[@]}")"
+        else
+          echo "::set-output name=missing_tags::"
+          echo "::set-output name=snapd_tags::"
+        fi
+    - name: Rebase and push master; push tags
+      run: |
+        git rebase upstream/master
+        git push --force        origin master
+        git push --force --tags origin
+    outputs:
+      missing_tags: ${{ steps.parse_tags.outputs.missing_tags }}
+      snapd_tags: ${{ steps.parse_tags.outputs.snapd_tags }}
diff --git a/.github/workflows/tag-release.yml b/.github/workflows/tag-release.yml
@@ -0,0 +1,53 @@
+name: 🏷️ Re-tag new upstream release
+
+on:
+  workflow_call:
+    inputs:
+      missing_tags:
+        required: true
+        type: string
+
+jobs:
+  tag-release:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        upstream_tag: ${{ fromJson(inputs.missing_tags) }}
+    steps:
+    - name: Build Variables
+      id: build_variables
+      env: 
+        UPSTREAM_TAG: ${{ matrix.upstream_tag }}
+      run: |
+        # Work out which snapd-support branch we need to merge
+        SNAPD_TAG="${UPSTREAM_TAG/linux-msft-wsl-/linux-msft-snapd-}"
+        RELEASE_MINOR_VER="$(echo "$UPSTREAM_TAG" | sed -Ee 's/^linux-msft-wsl-([0-9]+\.[0-9]+).*$/\1/')"
+
+        echo '::echo::on'
+        echo "::set-output name=snapd_support_branch::snapd-support-$RELEASE_MINOR_VER.y"
+        echo "::set-output name=snapd_tag::$SNAPD_TAG"
+    - uses: actions/checkout@v3
+      with:
+        ref: ${{ matrix.upstream_tag }}
+        fetch-depth: 0
+    - name: Configure GIT
+      run: |
+        git config user.email '[email protected]'
+        git config user.name 'GitHub Actions'
+        git remote add upstream https://github.com/microsoft/WSL2-Linux-Kernel.git
+    - name: Tag new release
+      run: |
+        set -x
+
+        # Merge the snapd-support branch
+        git fetch --no-tags --prune --progress --no-recurse-submodules origin +refs/heads/"${{ steps.build_variables.outputs.snapd_support_branch }}"*:refs/remotes/origin/"${{ steps.build_variables.outputs.snapd_support_branch }}"*
+        git merge --no-edit "origin/${{ steps.build_variables.outputs.snapd_support_branch }}"
+
+        # Tag the new release
+        git tag -f "${{ steps.build_variables.outputs.snapd_tag }}"
+        git push --tags --force
+    - name: Failure or cancellation cleanup
+      if: ${{ failure() || cancelled() }}
+      run: |
+        git push origin ":refs/tags/${{ steps.build_variables.outputs.snapd_tag }}" || true
+        git push origin ":refs/tags/${{ matrix.upstream_tag }}" || true