[openwrt/openwrt] ci: allow custom kernel and target jobs based on labels

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/ba3aa6233d2c269c29d5191450cdc4ad2892358f

commit ba3aa6233d2c269c29d5191450cdc4ad2892358f
Author: Petr Štetiar <ynezz at true.cz>
AuthorDate: Wed Jan 11 10:26:16 2023 +0100

    ci: allow custom kernel and target jobs based on labels
    
    Current job triggers based on matching of changed paths is quite
    limited, so lets make it possible to additionally trigger manual CI jobs
    by adding CI specific pull request build labels:
    
     * `ci:target:x86:64` label is going to trigger CI target check jobs for
        x86/64 (sub)target.
    
     * `ci:kernel:x86:64` label is going to trigger CI kernel check jobs for
        x86/64 (sub)target.
    
    Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 .github/workflows/label-kernel.yml | 45 ++++++++++++++++++++++++++++++++++++++
 .github/workflows/label-target.yml | 37 +++++++++++++++++++++++++++++++
 2 files changed, 82 insertions(+)

diff --git a/.github/workflows/label-kernel.yml b/.github/workflows/label-kernel.yml
new file mode 100644
index 0000000000..1156e0ad98
--- /dev/null
+++ b/.github/workflows/label-kernel.yml
@@ -0,0 +1,45 @@
+# ci:kernel:x86:64 is going to trigger CI kernel check jobs for x86/64 target
+
+name: Build kernel and check patches for target specified in labels
+on:
+  pull_request:
+    types:
+      - labeled
+
+jobs:
+  set_target:
+    if: startsWith(github.event.label.name, 'ci:kernel:')
+    name: Set target
+    runs-on: ubuntu-latest
+    outputs:
+      target: ${{ steps.set_target.outputs.target }}
+
+    steps:
+      - name: Set target
+        id: set_target
+        env:
+          CI_EVENT_LABEL_NAME: ${{ github.event.label.name }}
+        run: |
+          echo "$CI_EVENT_LABEL_NAME" | sed -n 's/.*:\(.*\):\(.*\)$/target="\1\/\2"/p' | tee --append $GITHUB_OUTPUT
+
+  build_kernel:
+    name: Build Kernel with external toolchain
+    needs: set_target
+    permissions:
+      contents: read
+      packages: read
+    uses: ./.github/workflows/build.yml
+    with:
+      target: ${{ needs.set_target.outputs.target }}
+      build_kernel: true
+      build_all_kmods: true
+
+  check-kernel-patches:
+    name: Check Kernel patches
+    needs: set_target
+    permissions:
+      contents: read
+      packages: read
+    uses: ./.github/workflows/check-kernel-patches.yml
+    with:
+      target: ${{ needs.set_target.outputs.target }}
diff --git a/.github/workflows/label-target.yml b/.github/workflows/label-target.yml
new file mode 100644
index 0000000000..e189024076
--- /dev/null
+++ b/.github/workflows/label-target.yml
@@ -0,0 +1,37 @@
+# ci:target:x86:64 is going to trigger CI target check jobs for x86/64 target
+
+name: Build check target specified in labels
+on:
+  pull_request:
+    types:
+      - labeled
+
+jobs:
+  set_target:
+    if: startsWith(github.event.label.name, 'ci:target:')
+    name: Set target
+    runs-on: ubuntu-latest
+    outputs:
+      target: ${{ steps.set_target.outputs.target }}
+
+    steps:
+      - name: Set target
+        id: set_target
+        env:
+          CI_EVENT_LABEL_NAME: ${{ github.event.label.name }}
+        run: |
+          echo "$CI_EVENT_LABEL_NAME" | sed -n 's/.*:\(.*\):\(.*\)$/target="\1\/\2"/p' | tee --append $GITHUB_OUTPUT
+
+  build_target:
+    name: Build target
+    needs: set_target
+    permissions:
+      contents: read
+      packages: read
+    uses: ./.github/workflows/build.yml
+    with:
+      target: ${{ needs.set_target.outputs.target }}
+      build_full: true
+      build_all_kmods: true
+      build_all_boards: true
+      build_all_modules: true