Merge pull request #2684 from devitocodes/parallel-runners-v100

ci: Set CONTAINER_NAME within a step.

Author: FabioLuporini

.github/workflows/docker-devito.yml

@@ -13,8 +13,6 @@ jobs:
     env:
       # Use buildkit https://docs.docker.com/develop/develop-images/build_enhancements/ for better build
       DOCKER_BUILDKIT: "1"
-      # Unique container name to avoid clashes across concurrent self-hosted runners
-      CONTAINER_NAME: testrun-${{ matrix.tag }}-${{ runner.name }}
 
 
     strategy:
@@ -55,6 +53,10 @@ jobs:
       - name: Checkout devito
         uses: actions/checkout@v4
 
+      - name: Set per‑runner variables
+        run: |
+          echo "CONTAINER_NAME=testrun-${{ matrix.tag }}-$RUNNER_NAME" >> $GITHUB_ENV
+
       - name: Check event name
         run: echo ${{ github.event_name }}
 

.github/workflows/pytest-gpu.yml

@@ -103,13 +103,16 @@ jobs:
       - name: Export CODECOV token
         run: echo "CODECOV_TOKEN=${{ secrets.CODECOV_TOKEN }}" >> "$GITHUB_ENV"
 
+      - name: Probe gpu
+        run: |
+          # Run a simple driver cmd first (nvidia-smi / rocm-smi)
+          docker run ${{ matrix.flags }} "${DOCKER_IMAGE}" ${{ matrix.test_drive_cmd }}
+
       - name: Test with pytest
         run: |
           # Run a simple driver cmd first (nvidia-smi / rocm-smi)
           ci_env=$(bash <(curl -s https://codecov.io/env))
 
-          docker run ${{ matrix.flags }} "${DOCKER_IMAGE}" ${{ matrix.test_drive_cmd }}
-
           docker run ${{ matrix.flags }} $ci_env -e CI=true "${DOCKER_IMAGE}" \
             pytest --cov --cov-config=.coveragerc --cov-report=xml ${{ matrix.test_files }}