.github/workflow: set up runtime params right before mpi4py test

For some reason the artifacts downloader no longer copies the .openmpi
and .prte param files correctly. This patch changes the workflow to
set up those runtime params immediately before running tests.

bot:notacherrypick

Signed-off-by: Wenduo Wang <[email protected]>

Author: wenduwan

.github/workflows/ompi_mpi4py.yaml

@@ -7,10 +7,6 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
-    - name: Configure hostname
-      run:  echo 127.0.0.1 `hostname` | sudo tee -a /etc/hosts > /dev/null
-      if:   ${{ runner.os == 'Linux' || runner.os == 'macOS' }}
-
     - name: Install depencencies
       run:  sudo apt-get install -y -q
               libnuma-dev
@@ -54,18 +50,6 @@ jobs:
     - name: Add Open MPI to PATH
       run: echo /opt/openmpi/bin >> $GITHUB_PATH
 
-    - name: Tweak MPI
-      run:  |
-        # Tweak MPI
-        mca_params="$HOME/.openmpi/mca-params.conf"
-        mkdir -p "$(dirname "$mca_params")"
-        echo mpi_param_check = true >> "$mca_params"
-        echo mpi_show_handle_leaks = true >> "$mca_params"
-        echo rmaps_base_oversubscribe = true >> "$mca_params"
-        mca_params="$HOME/.prte/mca-params.conf"
-        mkdir -p "$(dirname "$mca_params")"
-        echo rmaps_default_mapping_policy = :oversubscribe >> "$mca_params"
-
     - name: Show MPI
       run:  ompi_info
 
@@ -101,8 +85,6 @@ jobs:
       with:
         path: |
           /opt/openmpi
-          ~/.openmpi
-          ~/.prte
           test
           demo
           mpi4py-*.whl

.github/workflows/ompi_mpi4py_tests.yaml

@@ -19,20 +19,40 @@ jobs:
     env:
       ${{ inputs.env_name}}: 1
     steps:
+    - name: Configure hostname
+      run:  echo 127.0.0.1 `hostname` | sudo tee -a /etc/hosts > /dev/null
+      if:   ${{ runner.os == 'Linux' || runner.os == 'macOS' }}
+
     - name: Use Python
       uses: actions/setup-python@v5
       with:
         python-version: 3
         architecture: x64
+
     - name: Get artifacts
       uses: actions/download-artifact@v4
       with:
         path: /
         name: build-artifacts
+
     - name: Restore executable permissions
       run: chmod a+x /opt/openmpi/bin/*
+
     - name: Add Open MPI to PATH
       run: echo /opt/openmpi/bin >> $GITHUB_PATH
+
+    - name: Tweak MPI
+      run:  |
+        # Tweak MPI
+        mca_params="$HOME/.openmpi/mca-params.conf"
+        mkdir -p "$(dirname "$mca_params")"
+        echo mpi_param_check = true >> "$mca_params"
+        echo mpi_show_handle_leaks = true >> "$mca_params"
+        echo rmaps_base_oversubscribe = true >> "$mca_params"
+        mca_params="$HOME/.prte/mca-params.conf"
+        mkdir -p "$(dirname "$mca_params")"
+        echo rmaps_default_mapping_policy = :oversubscribe >> "$mca_params"
+
     - name: Install the mpi4py wheel
       run: python -m pip install mpi4py --no-index --find-links=.