simplify github actions workflows (#2338)

Author: zhangzujian

.github/workflows/build-arm64-image.yaml

@@ -19,9 +19,6 @@ concurrency:
   group: "${{ github.workflow }}-${{ github.ref }}"
   cancel-in-progress: true
 
-env:
-  GO_VERSION: '1.19'
-
 jobs:
   build:
     name: Build arm64
@@ -30,9 +27,8 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: '${{ env.GO_VERSION }}'
+          go-version-file: go.mod
           check-latest: true
-        id: go
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
@@ -55,10 +51,10 @@ jobs:
           restore-keys: ${{ runner.os }}-${{ env.GO_FULL_VER }}-arm64-
 
       - name: Build
-        run: |
-          make release-arm || make release-arm
+        run: make release-arm || make release-arm
+
       - name: Push
-        if: ${{ github.ref == 'refs/heads/master' || contains(github.ref, 'release') }}
+        if: github.ref == github.event.repository.default_branch || startsWith(github.ref, 'release-')
         env:
           DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
           DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}

.github/workflows/build-dpdk-image.yaml

@@ -16,7 +16,7 @@ jobs:
         run: |
           make build-dpdk
       - name: Push
-        if: ${{ github.ref == 'refs/heads/master' || contains(github.ref, 'release') }}
+        if: github.ref == github.event.repository.default_branch || startsWith(github.ref, 'release-')
         env:
           DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
           DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}

.github/workflows/build-windows.yaml

@@ -1,6 +1,8 @@
 name: Build Windows
 
 on:
+  workflow_dispatch:
+  release:
   pull_request:
     branches:
     - master
@@ -21,13 +23,52 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  GO_VERSION: '1.19'
   GOSEC_VERSION: '2.14.0'
 
 jobs:
+  filter:
+    name: Path Filter
+    runs-on: ubuntu-22.04
+    outputs:
+      build-ovs-ovn: ${{ steps.filter.outputs.windows-ovs-ovn }}
+      build-kube-ovn: ${{ steps.filter.outputs.windows-kube-ovn }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-go@v3
+        with:
+          go-version-file: go.mod
+          check-latest: true
+
+      - name: Generate path filter
+        env:
+          GOOS: windows
+        run: |
+          filter=".github/path-filters.yaml"
+          workflow=$(echo ${{ github.workflow_ref }} | awk -F@ '{print $1}' | sed 's@^${{ github.repository }}/@@')
+          cat > $filter <<EOF
+          windows-ovs-ovn:
+          - $workflow
+          windows-kube-ovn:
+          - $workflow
+          - go.mod
+          - go.sum
+          EOF
+          module=$(grep ^module go.mod | awk '{print $2}')
+          go list -f '{{ join .Deps "\n" }}' cmd/windows | grep ^$module/ | while read pkg; do
+            echo "- ${pkg#${module}/}/*" >> $filter
+          done
+          
+      - uses: dorny/paths-filter@v2
+        id: filter
+        with:
+          filters: .github/path-filters.yaml
+
   build-ovs-and-ovn:
     name: Build OVS and OVN
+    needs:
+      - filter
     runs-on: windows-2019
+    if: github.event_name != 'pull_request' || needs.filter.outputs.build-ovs-ovn == 'true'
     steps:
       - name: Check out PTHREADS4W
         run: |
@@ -131,14 +172,16 @@ jobs:
 
   build-kube-ovn:
     name: Build Kube-OVN
+    needs:
+      - filter
     runs-on: windows-2019
+    if: github.event_name != 'pull_request' || needs.filter.outputs.build-kube-ovn == 'true'
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: '${{ env.GO_VERSION }}'
+          go-version-file: go.mod
           check-latest: true
-        id: go
 
       - name: Export Go full version
         run: |
@@ -153,8 +196,7 @@ jobs:
             ~\AppData\Local\go-build
             ~\go\pkg\mod
           key: ${{ runner.os }}-${{ env.GO_FULL_VER }}-${{ hashFiles('**/go.sum') }}
-          restore-keys: |
-            ${{ runner.os }}-${{ env.GO_FULL_VER }}-
+          restore-keys: ${{ runner.os }}-${{ env.GO_FULL_VER }}-
 
       - name: Install gosec
         run: |