[WIP] CI: attach QEMU test to packages workflow

.github/workflows/packages.yml

@@ -44,10 +44,38 @@ jobs:
       build_all_kmods: true
       build_all_modules: true
       build_full: true
+      upload_images: true
       ccache_type: packages
       upload_ccache_cache: ${{ github.repository_owner == 'openwrt' }}
       check_packages_list: ${{ needs.determine_changed_packages.outputs.changed_packages }}
 
+  test:
+    name: Test with QEMU
+    needs: build
+    strategy:
+      fail-fast: False
+      matrix:
+        include:
+          - target: malta
+            subtarget: be
+            image: openwrt-malta-be-vmlinux-initramfs.elf
+            use_qemu: true
+            qemu_target: mips
+          - target: x86
+            subtarget: 64
+            image: openwrt-x86-64-generic-squashfs-combined.img
+            use_qemu: true
+            qemu_target: x86
+            qemu_bin: x86_64
+    uses: ./.github/workflows/reusable_test-image.yml
+    with:
+      target: ${{ matrix.target }}
+      subtarget: ${{ matrix.subtarget }}
+      image: ${{ matrix.image }}
+      use_qemu: ${{ matrix.use_qemu }}
+      qemu_target: ${{ matrix.qemu_target }}
+      qemu_bin: ${{ matrix.qemu_bin || '' }}
+
   upload-ccache-cache-in-s3:
     if: github.event_name == 'push' && github.repository_owner == 'openwrt'
     name: Upload ccache cache to s3

.github/workflows/reusable_build.yml

@@ -59,6 +59,8 @@ on:
         type: boolean
       upload_external_toolchain:
         type: boolean
+      upload_images:
+        type: boolean
       use_ccache_cache:
         type: boolean
         default: true
@@ -739,3 +741,12 @@ jobs:
           name: ${{ inputs.target }}-${{ inputs.subtarget }}-external-toolchain
           path: openwrt/bin/targets/${{ inputs.target }}/${{ inputs.subtarget }}/${{ steps.get-toolchain-name.outputs.toolchain-name }}
           retention-days: 1
+
+      - name: Upload compiled images
+        if: inputs.build_full == true && inputs.upload_images == true
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ inputs.target }}-${{ inputs.subtarget }}${{ inputs.testing == true && '-testing' || '' }}-images
+          path: |
+            openwrt/bin/targets/${{ inputs.target }}/${{ inputs.subtarget }}/openwrt-${{ inputs.target }}-${{ inputs.subtarget }}-*
+          retention-days: 1

.github/workflows/reusable_test-image.yml

@@ -0,0 +1,70 @@
+name: Test Image
+
+on:
+  workflow_call:
+    inputs:
+      target:
+        required: true
+        type: string
+      subtarget:
+        required: true
+        type: string
+      testing:
+        type: boolean
+      image:
+        required: true
+        type: string
+      use_qemu:
+        type: boolean
+      qemu_target:
+        type: string
+      qemu_bin:
+        type: string
+
+jobs:
+  test:
+    name: Test image ${{ inputs.target }}/${{ inputs.subtarget }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          repository: aparcar/openwrt-tests
+
+      - name: Install dependencies
+        run: |
+          sudo apt install python3-pip
+
+      - name: Install QEMU dependency
+        if: inputs.use_qemu == true
+        run: |
+          sudo apt install qemu-system-${{ inputs.qemu_target }}
+
+      - name: Install test project dependencies
+        run: |
+          pip3 install poetry
+          poetry install
+
+      - name: Download compiled images from build job
+        uses: actions/download-artifact@v4
+        with:
+          name: ${{ inputs.target }}-${{ inputs.subtarget }}${{ inputs.testing == true && '-testing' || '' }}-images
+
+      - name: Extract image if needed
+        run: |
+          # gunzip return 2 for warning hence we need to reset
+          if [ -f "${{ inputs.image }}.gz" ]; then
+            gunzip -q ${{ inputs.image }}.gz || true
+          fi
+
+      - name: Run test with QEMU
+        if: inputs.use_qemu == true
+        run: |
+          export LG_QEMU_BIN=qemu-system-${{ inputs.qemu_bin || inputs.qemu_target }}
+
+          poetry run pytest \
+            --lg-env tests/qemu.yaml \
+            --target ${{ inputs.target }}-${{ inputs.subtarget }} \
+            --firmware "$(pwd)"/${{ inputs.image }}
+