ci: attempt to also implement on main CI/CD

.github/workflows/ci_cd.yml

@@ -102,20 +102,71 @@ jobs:
           directory: docker
           recursive: true
 
+  manifests:
+    name: Check Docker manifests
+    runs-on: ubuntu-latest
+    outputs:
+      skip_dms: ${{ steps.services.outputs.skip_dms }}
+      skip_core_windows: ${{ steps.services.outputs.skip_core_windows }}
+      skip_core_linux: ${{ steps.services.outputs.skip_core_linux }}
+    strategy:
+      matrix:
+        include:
+          - container-stable: "windows-latest"
+            container-unstable: "windows-latest-unstable"
+            service: "dms"
+            service-name: "Windows DMS"
+          - container-stable: "core-windows-latest"
+            container-unstable: "core-windows-latest-unstable"
+            service: "core_windows"
+            service-name: "Windows Core Service"
+          - container-stable: "core-linux-latest"
+            container-unstable: "core-linux-latest-unstable"
+            service: "core_linux"
+            service-name: "Linux Core Service"
+    steps:
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Check ${{ matrix.service-name }} manifest
+        id: services
+        run: |
+          docker manifest inspect ghcr.io/ansys/geometry:${{ matrix.container-stable }} > ${{ matrix.container-stable }}.json
+          docker manifest inspect ghcr.io/ansys/geometry:${{ matrix.container-unstable }} > ${{ matrix.container-unstable }}.json || true
+
+          # Verify that the unstable manifest exists - otherwise create an empty file
+          if [ ! -f ${{ matrix.container-unstable }}.json ]; then
+            touch ${{ matrix.container-unstable }}.json
+          fi
+
+
+          # Check if the manifests are the same (and if so, create an output that will skip the next job)
+          if diff ${{ matrix.container-stable }}.json ${{ matrix.container-unstable }}.json; then
+            echo "${{ matrix.service-name }} container manifests are the same... skipping"
+            echo "skip_${{ matrix.service }}=1" >> "$GITHUB_OUTPUT"
+          else
+            echo "${{ matrix.service-name }} container manifests are different"
+            echo "skip_${{ matrix.service }}=0" >> "$GITHUB_OUTPUT"
+          fi
+
 # =================================================================================================
 # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvv    RUNNING ON SELF-HOSTED RUNNER    vvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
 # =================================================================================================
 
   testing-windows:
     name: Testing and coverage (Windows)
-    needs: [smoke-tests]
+    needs: [smoke-tests, manifests]
     # runs-on: [self-hosted, Windows, pygeometry]
     runs-on: # TODO: Waiting for ansys-network runner to be updated
       group: pyansys-self-hosted
       labels:  [self-hosted, Windows, pygeometry]
     continue-on-error: ${{ matrix.experimental }}
     env:
-      SKIP_UNSTABLE: ${{ vars.SKIP_UNSTABLE_CONTAINERS_TEMPORARILY == 1 && matrix.experimental }}
+      SKIP_UNSTABLE: false
       PYVISTA_OFF_SCREEN: true
     strategy:
       fail-fast: false
@@ -131,6 +182,35 @@ jobs:
             experimental: true
 
     steps:
+      - name: Calculate SKIP_UNSTABLE
+        if: matrix.experimental == 'true'
+        run: |
+          # Choose the manifests output to consider (for DMS or Core service)
+          # based on the matrix value
+          if ("${{ matrix.docker-image }}" -eq "windows-latest-unstable") {
+            $ImagesAreEqual = ${{ needs.manifests.outputs.skip_dms }}
+          } elseif ("${{ matrix.docker-image }}" -eq "core-windows-latest-unstable") {
+            $ImagesAreEqual = ${{ needs.manifests.outputs.skip_core_windows }}
+          } else {
+            Write-Output "Unknown docker image"
+            exit 1
+          }
+
+          $A = $env:SKIP_UNSTABLE_CONTAINERS_TEMPORARILY -eq 1
+          $C = $ImagesAreEqual -eq 1
+          $B = ${{ matrix.experimental }}
+
+          # Calculate the logical expression
+          $Result = (($A -or $B) -and $C).ToString().ToLower()
+
+          # Export it as an environment variable with true/false value
+          Write-Output "SKIP_UNSTABLE=$Result" | Out-File -FilePath $env:GITHUB_ENV -Append
+
+      - name: Print SKIP_UNSTABLE
+        if: matrix.experimental == 'true'
+        run: |
+          Write-Output "SKIP_UNSTABLE is $env:SKIP_UNSTABLE"
+
       - uses: actions/checkout@v4
         if: env.SKIP_UNSTABLE == 'false'
 
@@ -329,11 +409,11 @@ jobs:
 
   testing-linux:
     name: Testing and coverage (Linux)
-    needs: [smoke-tests]
+    needs: [smoke-tests, manifests]
     runs-on: ubuntu-latest
     continue-on-error: ${{ matrix.experimental }}
     env:
-      SKIP_UNSTABLE: ${{ vars.SKIP_UNSTABLE_CONTAINERS_TEMPORARILY == 1 && matrix.experimental }}
+      SKIP_UNSTABLE: false
     strategy:
       fail-fast: false
       matrix:
@@ -344,6 +424,33 @@ jobs:
             experimental: true
 
     steps:
+      - name: Calculate SKIP_UNSTABLE
+        if: matrix.experimental == 'true'
+        run: |
+          # Choose the manifests output to consider (for Core service)
+          # based on the matrix value
+          if [[ "${{ matrix.docker-image }}" == "core-linux-latest-unstable" ]]; then
+            ImagesAreEqual=${{ needs.manifests.outputs.skip_core_linux }}
+          else
+            echo "Unknown docker image"
+            exit 1
+          fi
+
+          A=$([[ "$SKIP_UNSTABLE_CONTAINERS_TEMPORARILY" == "1" ]] && echo true || echo false)
+          C=$([[ "$ImagesAreEqual" == "1" ]] && echo true || echo false)
+          B=${{ matrix.experimental }}
+
+          # Calculate the logical expression
+          Result=$([[ "$A" == true || "$B" == true ]] && [[ "$C" == true ]] && echo true || echo false)
+
+          # Export it as an environment variable with true/false value
+          echo "SKIP_UNSTABLE=$Result" >> $GITHUB_ENV
+
+      - name: Print SKIP_UNSTABLE
+        if: matrix.experimental == 'true'
+        run: |
+          echo "SKIP_UNSTABLE is $SKIP_UNSTABLE"
+
       - name: Login in Github Container registry
         if: env.SKIP_UNSTABLE == 'false'
         uses: docker/login-action@v3