add a workflow to test against postgres

.github/actions/setup-test-environment/action.yml

@@ -39,6 +39,32 @@ runs:
       if: ${{ inputs.setup == 'vllm' && inputs.inference-mode == 'record' }}
       uses: ./.github/actions/setup-vllm
 
+    - name: Start Postgres service
+      if: ${{ inputs.setup == 'postgres' }}
+      shell: bash
+      run: |
+        sudo docker rm -f postgres-ci || true
+        sudo docker run -d --name postgres-ci \
+          -e POSTGRES_USER=llamastack \
+          -e POSTGRES_PASSWORD=llamastack \
+          -e POSTGRES_DB=llamastack \
+          -p 5432:5432 \
+          postgres:16
+
+        echo "Waiting for Postgres to become ready..."
+        for i in {1..30}; do
+          if sudo docker exec postgres-ci pg_isready -U llamastack -d llamastack >/dev/null 2>&1; then
+            echo "Postgres is ready"
+            break
+          fi
+          if [ "$i" -eq 30 ]; then
+            echo "Postgres failed to start in time"
+            sudo docker logs postgres-ci || true
+            exit 1
+          fi
+          sleep 2
+        done
+
     - name: Build Llama Stack
       shell: bash
       run: |

.github/workflows/integration-tests.yml

@@ -67,6 +67,7 @@ jobs:
     needs: generate-matrix
     runs-on: ubuntu-latest
     name: ${{ format('Integration Tests ({0}, {1}, {2}, client={3}, {4})', matrix.client-type, matrix.config.setup, matrix.python-version, matrix.client-version, matrix.config.suite) }}
+    if: ${{ !matrix.config.client_types || contains(matrix.config.client_types, matrix.client-type) }}
 
     strategy:
       fail-fast: false
@@ -97,7 +98,11 @@ jobs:
         env:
           OPENAI_API_KEY: dummy
         with:
-          stack-config: ${{ matrix.client-type == 'library' && 'ci-tests' || matrix.client-type == 'server' && 'server:ci-tests' || 'docker:ci-tests' }}
+          stack-config: >-
+            ${{ matrix.config.stack_config
+                || (matrix.client-type == 'library' && 'ci-tests')
+                || (matrix.client-type == 'server' && 'server:ci-tests')
+                || 'docker:ci-tests' }}
           setup: ${{ matrix.config.setup }}
           inference-mode: 'replay'
           suite: ${{ matrix.config.suite }}