CI: build ARM platforms on GHA

Author: mayeut

.github/workflows/build.yml

@@ -28,21 +28,34 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  build_matrix:
+    runs-on: ubuntu-latest
+    outputs:
+      matrix: ${{ steps.matrix.outputs.matrix }}
+    steps:
+      - id: matrix
+        run: |
+          JSON=$(cat << EOF | jq -c '[foreach .[] as $platform (0; foreach $platform.policies.[] as $policy (0; {policy: $policy, platform: $platform.platform, runner: $platform.runner}))]'
+          [
+            {"platform": "x86_64", "runner": "ubuntu-22.04", "policies": ["manylinux2014", "manylinux_2_28", "manylinux_2_34", "musllinux_1_2"]},
+            {"platform": "aarch64", "runner": "ubuntu-22.04", "policies": ["manylinux2014", "manylinux_2_28", "manylinux_2_34", "musllinux_1_2"]},
+            {"platform": "i686", "runner": "ubuntu-22.04", "policies": ["manylinux2014", "musllinux_1_2"]},
+            {"platform": "armv7l", "runner": "ubuntu-22.04", "policies": ["manylinux_2_31", "musllinux_1_2"]}
+          ]
+          EOF
+          )
+          echo "matrix=${JSON}" >> $GITHUB_OUTPUT
+
   build_manylinux:
     name: ${{ matrix.policy }}_${{ matrix.platform }}
-    runs-on: ubuntu-22.04
+    needs: build_matrix
+    runs-on: ${{ matrix.runner }}
     permissions:
       actions: write # this permission is needed to delete cache
     strategy:
       fail-fast: false
       matrix:
-        policy: ["manylinux2014", "manylinux_2_28", "manylinux_2_34", "musllinux_1_2"]
-        platform: ["x86_64"]
-        include:
-          - policy: "manylinux2014"
-            platform: "i686"
-          - policy: "musllinux_1_2"
-            platform: "i686"
+        include: ${{ fromJson(needs.build_matrix.outputs.matrix) }}
     env:
       POLICY: ${{ matrix.policy }}
       PLATFORM: ${{ matrix.platform }}

.travis.yml

@@ -29,42 +29,18 @@ env:
 
 jobs:
    include:
-    - arch: arm64-graviton2
-      virt: vm
-      group: edge
-      env: POLICY="manylinux2014" PLATFORM="aarch64"
     - arch: s390x
       env: POLICY="manylinux2014" PLATFORM="s390x"
     - arch: ppc64le
       env: POLICY="manylinux2014" PLATFORM="ppc64le"
-    - arch: arm64-graviton2
-      virt: vm
-      group: edge
-      env: POLICY="manylinux_2_28" PLATFORM="aarch64"
     - arch: s390x
       env: POLICY="manylinux_2_28" PLATFORM="s390x"
     - arch: ppc64le
       env: POLICY="manylinux_2_28" PLATFORM="ppc64le"
-    - arch: arm64-graviton2
-      virt: vm
-      group: edge
-      env: POLICY="manylinux_2_31" PLATFORM="armv7l"
-    - arch: arm64-graviton2
-      virt: vm
-      group: edge
-      env: POLICY="manylinux_2_34" PLATFORM="aarch64"
     - arch: s390x
       env: POLICY="manylinux_2_34" PLATFORM="s390x"
     - arch: ppc64le
       env: POLICY="manylinux_2_34" PLATFORM="ppc64le"
-    - arch: arm64-graviton2
-      virt: vm
-      group: edge
-      env: POLICY="musllinux_1_2" PLATFORM="aarch64"
-    - arch: arm64-graviton2
-      virt: vm
-      group: edge
-      env: POLICY="musllinux_1_2" PLATFORM="armv7l"
     - arch: s390x
       env: POLICY="musllinux_1_2" PLATFORM="s390x"
     - arch: ppc64le