Merge pull request #12526 from dalcinl/test/ompi-relocate

mpi4py: Run mpi4py tests with a relocated Open MPI installation

Author: wenduwan

.github/workflows/ompi_mpi4py.yaml

@@ -1,6 +1,19 @@
 name: mpi4py
 
-on: [ pull_request ]
+on:
+  pull_request:
+  workflow_dispatch:
+    inputs:
+      repository:
+        description: 'mpi4py repository'
+        default: 'mpi4py/mpi4py'
+        required: false
+        type: string
+      ref:
+        description: 'mpi4py branch/tag/SHA'
+        default: 'master'
+        required: false
+        type: string
 
 jobs:
   build:
@@ -89,7 +102,8 @@ jobs:
     - name: Checkout mpi4py
       uses: actions/checkout@v4
       with:
-        repository: "mpi4py/mpi4py"
+        repository: ${{ inputs.repository || 'mpi4py/mpi4py' }}
+        ref: ${{ inputs.ref }}
 
     - name: Build mpi4py wheel
       run:  python -m pip wheel .
@@ -117,11 +131,6 @@ jobs:
     # this job of tests to pass.
     needs: [ build ]
     uses: ./.github/workflows/ompi_mpi4py_tests.yaml
-    with:
-      # This parameter is required, so send a meaningless
-      # environment variable name that will not affect the tests at
-      # all (i.e., the tests will be run with default values).
-      env_name: MAKE_TODAY_AN_OMPI_DAY
 
   #==============================================
 

.github/workflows/ompi_mpi4py_tests.yaml

@@ -9,15 +9,16 @@ on:
   workflow_call:
     inputs:
       env_name:
-        required: true
+        default: 'MAKE_TODAY_AN_OMPI_DAY'
+        required: false
         type: string
 
 jobs:
   mpi4py-tests:
     runs-on: ubuntu-latest
     timeout-minutes: 30
     env:
-      ${{ inputs.env_name}}: 1
+      ${{ inputs.env_name }}: true
     steps:
     - name: Use Python
       uses: actions/setup-python@v5
@@ -67,3 +68,24 @@ jobs:
       run:  python demo/test-run/test_run.py -v
       if:   ${{ true }}
       timeout-minutes: 10
+
+    #----------------------------------------------
+
+    - name: Relocate Open MPI installation
+      run:  mv /opt/openmpi /opt/ompi
+    - name: Update PATH and set OPAL_PREFIX and LD_LIBRARY_PATH
+      run: |
+        sed -i '\|/opt/openmpi/bin|d' $GITHUB_PATH
+        echo OPAL_PREFIX=/opt/ompi >> $GITHUB_ENV
+        echo LD_LIBRARY_PATH=/opt/ompi/lib >> $GITHUB_ENV
+
+    - name: Test mpi4py (singleton)
+      run:  python test/main.py -v
+      if:   ${{ true }}
+      timeout-minutes: 10
+    - name: Test mpi4py (np=5)
+      run:  /opt/ompi/bin/mpiexec -n 5 python test/main.py -v -f
+      if:   ${{ true }}
+      timeout-minutes: 10
+
+    #----------------------------------------------