CI: migrate each workflow to use reusable workflow from dedicated repo

Migrate each workflow to use reusable workflow from dedicated repo to
skip pushing CI related commits to openwrt and better track versioning
of CI workflow.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>

.github/workflows/kernel.yml

@@ -28,128 +28,13 @@ concurrency:
   cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 
 jobs:
-  determine_targets:
-    name: Set targets
-    runs-on: ubuntu-latest
-    outputs:
-      targets_subtargets: ${{ steps.find_targets.outputs.targets_subtargets }}
-      targets: ${{ steps.find_targets.outputs.targets }}
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 2
-
-      - name: Get changed files
-        id: changed-files
-        uses: tj-actions/changed-files@v35
-
-      - name: Set targets
-        id: find_targets
-        run: |
-          ALL_TARGETS="$(perl ./scripts/dump-target-info.pl targets 2>/dev/null)"
-          CHANGED_FILES="$(echo ${{ steps.changed-files.outputs.all_changed_files }} | tr ' ' '\n')"
-
-          TARGETS_SUBTARGETS="$(echo "$ALL_TARGETS" | sort -u -t '/' -k1 | awk '{ print $1 }')"
-          TARGETS="$(echo "$ALL_TARGETS" | sort -u -t '/' -k1,1 | awk '{ print $1 }')"
-
-          # On testing non-specific target, skip testing each subtarget if we are testing pr
-          if [ ${{ github.event_name }} != 'push' ]; then
-            if echo "$CHANGED_FILES" | grep -v -q target/linux ||
-              echo "$CHANGED_FILES" | grep -q target/linux/generic; then
-              TARGETS_SUBTARGETS=$TARGETS
-            fi
-          fi
-
-          JSON_TARGETS_SUBTARGETS='['
-          FIRST=1
-          for TARGET in $TARGETS_SUBTARGETS; do
-            if echo "$CHANGED_FILES" | grep -v -q target/linux ||
-              echo "$CHANGED_FILES" | grep -q target/linux/generic ||
-              echo "$CHANGED_FILES" | grep -q $(echo $TARGET | cut -d "/" -f 1); then
-              TUPLE='{"target":"'"$(echo $TARGET | cut -d "/" -f 1)"'","subtarget":"'"$(echo $TARGET | cut -d "/" -f 2)"'"}'
-              [[ $FIRST -ne 1 ]] && JSON_TARGETS_SUBTARGETS="$JSON_TARGETS_SUBTARGETS"','
-              JSON_TARGETS_SUBTARGETS="$JSON_TARGETS_SUBTARGETS""$TUPLE"
-              FIRST=0
-            fi
-          done
-          JSON_TARGETS_SUBTARGETS="$JSON_TARGETS_SUBTARGETS"']'
-
-          JSON_TARGETS='['
-          FIRST=1
-          for TARGET in $TARGETS; do
-            if echo "$CHANGED_FILES" | grep -v -q target/linux ||
-              echo "$CHANGED_FILES" | grep -q target/linux/generic ||
-              echo "$CHANGED_FILES" | grep -q $(echo $TARGET | cut -d "/" -f 1); then
-              TUPLE='{"target":"'"$(echo $TARGET | cut -d "/" -f 1)"'","subtarget":"'"$(echo $TARGET | cut -d "/" -f 2)"'"}'
-              [[ $FIRST -ne 1 ]] && JSON_TARGETS="$JSON_TARGETS"','
-              JSON_TARGETS="$JSON_TARGETS""$TUPLE"
-              FIRST=0
-            fi
-          done
-          JSON_TARGETS="$JSON_TARGETS"']'
-
-          echo -e "\n---- targets to build ----\n"
-          echo "$JSON_TARGETS_SUBTARGETS"
-          echo -e "\n---- targets to build ----\n"
-
-          echo -e "\n---- targets to check patch ----\n"
-          echo "$JSON_TARGETS"
-          echo -e "\n---- targets to check patch ----\n"
-
-          echo "targets_subtargets=$JSON_TARGETS_SUBTARGETS" >> $GITHUB_OUTPUT
-          echo "targets=$JSON_TARGETS" >> $GITHUB_OUTPUT
-
-  build:
-    name: Build Kernel with external toolchain
-    needs: determine_targets
+  build-kernels:
+    name: Build all affected Kernels
     permissions:
       contents: read
       packages: read
       actions: write
-    strategy:
-       fail-fast: False
-       matrix:
-         include: ${{fromJson(needs.determine_targets.outputs.targets_subtargets)}}
-    uses: ./.github/workflows/build.yml
-    with:
-      container_name: toolchain
-      target: ${{ matrix.target }}
-      subtarget: ${{ matrix.subtarget }}
-      build_kernel: true
-      build_all_kmods: true
-      upload_ccache_cache: ${{ github.repository_owner == 'openwrt' }}
-
-  check-kernel-patches:
-    name: Check Kernel patches
-    needs: determine_targets
-    permissions:
-      contents: read
-      packages: read
-    strategy:
-       fail-fast: False
-       matrix:
-         include: ${{fromJson(needs.determine_targets.outputs.targets)}}
-    uses: ./.github/workflows/check-kernel-patches.yml
-    with:
-      target: ${{ matrix.target }}
-      subtarget: ${{ matrix.subtarget }}
-
-  upload-ccache-cache-in-s3:
-    if: github.event_name == 'push' && github.repository_owner == 'openwrt'
-    name: Upload ccache cache to s3
-    needs: [determine_targets, build]
-    strategy:
-       fail-fast: False
-       matrix:
-         include: ${{fromJson(needs.determine_targets.outputs.targets_subtargets)}}
     secrets:
       s3_access_key: ${{ secrets.GCS_S3_ACCESS_KEY }}
       s3_secret_key: ${{ secrets.GCS_S3_SECRET_KEY }}
-    uses: ./.github/workflows/upload-file-s3.yml
-    with:
-      endpoint: https://storage.googleapis.com
-      bucket: openwrt-ci-cache
-      download_id: ${{ matrix.target }}-${{ matrix.subtarget }}-ccache-cache
-      filename: ccache-kernel-${{ matrix.target }}-${{ matrix.subtarget }}.tar
+    uses: openwrt/actions-shared-workflows/.github/workflows/kernel.yml@main