Change CI runner for rolling_binary_testing

Author: urrsk

.github/workflows/reusable_ici.yml

@@ -35,15 +35,31 @@ on:
         required: false
         type: string
 
+jobs:
+  decide-runner:
+    runs-on: ubuntu-latest
+    outputs:
+      runner_label: ${{ steps.set-runner.outputs.runner_label }}
+    steps:
+      - id: set-runner
+        run: |
+          if [ -n "${{ inputs.runner_group }}" ]; then
+            echo "runner_label=group-${{ inputs.runner_group }}" >> $GITHUB_OUTPUT
+          else
+            echo "runner_label=ubuntu-latest" >> $GITHUB_OUTPUT
+          fi
+
 jobs:
   reusable_ici:
     name: ${{ inputs.ros_distro }} ${{ inputs.ros_repo }}
-    runs-on: ubuntu-latest
+    needs: decide-runner
+    runs-on: ${{ needs.decide-runner.outputs.runner_label }}
     env:
       DOCKER_RUN_OPTS: '-v /var/run/docker.sock:/var/run/docker.sock --network ursim_net'
       CCACHE_DIR: ${{ github.workspace }}/${{ inputs.ccache_dir }}
       CACHE_PREFIX: ${{ inputs.ros_distro }}-${{ inputs.upstream_workspace }}-${{ inputs.ros_repo }}
     steps:
+      - run: echo "Running on ${{ needs.decide-runner.outputs.runner_label }}"
       - name: Checkout ${{ github.ref_name }} since build is not scheduled
         if: ${{ github.event_name != 'schedule' }}
         uses: actions/checkout@v6

.github/workflows/rolling-binary-testing.yml

@@ -15,6 +15,7 @@ jobs:
   rolling_binary_testing:
     uses: ./.github/workflows/reusable_ici.yml
     with:
+      runner_group: ros_driver_runner_group
       ros_distro: rolling
       ros_repo: testing
       ref_for_scheduled_build: main