Use Cubit in GitHub hosted runners

.github/actions/run_tests/action.yml

@@ -13,16 +13,20 @@ inputs:
     description: Additional flags to pass to pytest, i.e., markers
     required: false
     default: ""
+  cubit-root:
+    description: Path to the cubit installation
+    required: false
+    default: ""
 runs:
   using: composite
   steps:
     - name: MeshPy testing
       shell: bash
       env:
         MESHPY_FOUR_C_EXE: /home/user/4C/build/4C
-        CUBIT_ROOT: /imcs/public/compsim/opt/cubit-15.2
         OMPI_MCA_rmaps_base_oversubscribe: 1
       run: |
+        export CUBIT_ROOT=${{ inputs.cubit-root }}
         cd ${GITHUB_WORKSPACE}
         ${{ inputs.source-command }}
         pip install ${{ inputs.install-command }}

.github/actions/setup_cubit/action.yml

@@ -0,0 +1,41 @@
+name: setup_cubit
+description: Setup a Cubit installation for testing
+inputs:
+  cubit_download_url:
+    description: URL where Cubit can be downloaded from
+    required: true
+  cubit_email:
+    description: Email to activate cubit
+    required: true
+  cubit_password:
+    description: Password to activate cubit
+    required: true
+outputs:
+  cubit_root:
+    description: "Path to the Cubit installation"
+    value: ${{ steps.setup-cubit.outputs.cubit_root }}
+runs:
+  using: composite
+  steps:
+    - name: Download and unpack Cubit
+      id: setup-cubit
+      shell: bash
+      run: |
+        # Check if secrets are available
+        if [[ -z "${{ inputs.cubit_email }}" || -z "${{ inputs.cubit_password }}" ]]; then
+          echo "cubit_email or cubit_password is empty or not injected. Cannot activate Cubit."
+          exit 1
+        fi
+        # We need these packages for cubit to work
+        sudo apt update
+        sudo apt install -y libglu1-mesa
+        # Download cubit and extract it
+        cd ${GITHUB_WORKSPACE}
+        wget -q ${{ inputs.cubit_download_url }}
+        tar -xzf *.tar.gz
+        # Save cubit root path for following steps
+        CUBIT_FOLDER=$(find . -maxdepth 1 -type d -name "Coreform-Cubit-*" | head -n 1 | sed 's|^\./||')
+        CUBIT_ROOT="$(pwd)/$CUBIT_FOLDER"
+        echo "cubit_root=$CUBIT_ROOT" >> "$GITHUB_OUTPUT"
+        # Activate cubit
+        $CUBIT_ROOT/bin/rlm_activate --login ${{ inputs.cubit_email }} ${{ inputs.cubit_password }}

.github/actions/setup_virtual_python_environment/action.yml

@@ -1,17 +1,12 @@
 name: setup_virtual_python_environment
 description: Configure the python virtual environment
-inputs:
-  python-exe:
-    description: Command for python executable
-    required: false
-    default: "python"
 runs:
   using: composite
   steps:
     - name: Setup virtual environment
       shell: bash
       run: |
         cd ${GITHUB_WORKSPACE}
-        ${{ inputs.python-exe }} -m venv python-workflow-venv
+        python -m venv python-workflow-venv
         source python-workflow-venv/bin/activate
         pip install --upgrade pip

.github/workflows/testing.yml

@@ -6,13 +6,15 @@ on:
   push:
     branches:
       - main
-  pull_request:
+  pull_request_target:
     types:
       - opened
       - reopened
       - synchronize
   workflow_dispatch:
-    type: choice
+
+env:
+  CUBIT_DOWNLOAD_URL: https://f002.backblazeb2.com/file/cubit-downloads/Coreform-Cubit/Releases/Linux/Coreform-Cubit-2025.3%2B58709-Lin64.tar.gz
 
 jobs:
   meshpy-testing:
@@ -49,34 +51,8 @@ jobs:
           name: ${{github.job}}-${{ matrix.os-version }}-python${{ matrix.python-version }}-${{github.run_number}}
           path: ${{ env.PYTEST_TMPDIR }}
 
-  meshpy-testing-cubitpy:
-    name: self-hosted with CubitPy
-    runs-on: self-hosted
-    defaults:
-      run:
-        shell: bash
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-      - name: Setup virtual python environment
-        uses: ./.github/actions/setup_virtual_python_environment
-        with:
-          python-exe: /home_local/github-runner/testing_lib/spack/opt/spack/linux-ubuntu20.04-icelake/gcc-9.4.0/python-3.12.1-qnjucxirxh534suwewl6drfa237u6t7w/bin/python
-      - name: Run the test suite
-        uses: ./.github/actions/run_tests
-        with:
-          install-command: ".[cubitpy,dev,fourc]"
-          source-command: "source python-workflow-venv/bin/activate"
-          additional-pytest-flags: "--CubitPy --no-cov"
-      - name: Upload test results on failure
-        if: failure()
-        uses: actions/upload-artifact@v4
-        with:
-          name: ${{github.job}}-${{github.run_number}}
-          path: ${{ env.PYTEST_TMPDIR }}
-
-  meshpy-testing-4C-arborx:
-    name: ubuntu-latest with 4C and ArborX
+  meshpy-testing-all-dependencies:
+    name: ubuntu-latest with all dependencies
     runs-on: ubuntu-latest
     container:
       image: ghcr.io/4c-multiphysics/4c:main
@@ -88,6 +64,13 @@ jobs:
         uses: actions/checkout@v4
         with:
           submodules: true
+      - name: Setup cubit
+        id: cubit
+        uses: ./.github/actions/setup_cubit
+        with:
+          cubit_download_url: ${{ env.CUBIT_DOWNLOAD_URL }}
+          cubit_email: ${{ secrets.CUBIT_EMAIL }}
+          cubit_password: ${{ secrets.CUBIT_PASSWORD }}
       - name: Setup virtual python environment
         uses: ./.github/actions/setup_virtual_python_environment
       - name: Build ArborX geometric search
@@ -96,8 +79,9 @@ jobs:
         uses: ./.github/actions/run_tests
         with:
           source-command: "source python-workflow-venv/bin/activate"
-          install-command: "-e .[dev,fourc]"
-          additional-pytest-flags: "--4C --ArborX --cov-fail-under=93"
+          install-command: "-e .[cubitpy,dev,fourc]"
+          additional-pytest-flags: "--4C --ArborX --CubitPy --cov-fail-under=93"
+          cubit-root: ${{ steps.cubit.outputs.cubit_root }}
       - name: Upload test results on failure
         if: failure()
         uses: actions/upload-artifact@v4
@@ -109,24 +93,34 @@ jobs:
 
   meshpy-performance-testing:
     name: performance tests
-    runs-on: self-hosted
     continue-on-error: true
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/4c-multiphysics/4c:main
     defaults:
       run:
         shell: bash
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Setup cubit
+        id: cubit
+        uses: ./.github/actions/setup_cubit
+        with:
+          cubit_download_url: ${{ env.CUBIT_DOWNLOAD_URL }}
+          cubit_email: ${{ secrets.CUBIT_EMAIL }}
+          cubit_password: ${{ secrets.CUBIT_PASSWORD }}
       - name: Setup virtual python environment
         uses: ./.github/actions/setup_virtual_python_environment
-        with:
-          python-exe: /home_local/github-runner/testing_lib/spack/opt/spack/linux-ubuntu20.04-icelake/gcc-9.4.0/python-3.12.1-qnjucxirxh534suwewl6drfa237u6t7w/bin/python
       - name: Run the test suite
         uses: ./.github/actions/run_tests
         with:
           install-command: ".[cubitpy,dev,fourc]"
           source-command: "source python-workflow-venv/bin/activate"
           additional-pytest-flags: "--performance-tests --exclude-standard-tests -s --no-cov"
+          cubit-root: ${{ steps.cubit.outputs.cubit_root }}
       - name: Upload test results on failure
         if: failure()
         uses: actions/upload-artifact@v4