add test for REST API

Signed-off-by: Matteo Mortari <matteo.mortari@gmail.com>

.github/workflows/model_registry_test.yaml

@@ -26,8 +26,8 @@ jobs:
     - name: Install kustomize
       run: ./tests/gh-actions/install_kustomize.sh
 
-    - name: Install Istio
-      run: ./tests/gh-actions/install_istio.sh
+    - name: Install Istio with ext auth
+      run: ./tests/gh-actions/install_istio_with_ext_auth.sh*
 
     - name: Create kubeflow namespace
       run: kustomize build common/kubeflow-namespace/base | kubectl apply -f -
@@ -42,3 +42,15 @@ jobs:
         echo "Waiting for all Model Registry Pods to become ready..."
         kubectl wait --for=condition=available -n kubeflow deployment/model-registry-db --timeout=600s
         kubectl wait --for=condition=available -n kubeflow deployment/model-registry-deployment --timeout=600s
+
+    - name: Port forward Istio gateway
+      run: |
+        INGRESS_GATEWAY_SERVICE=$(kubectl get svc --namespace istio-system --selector="app=istio-ingressgateway" --output jsonpath='{.items[0].metadata.name}')
+        nohup kubectl port-forward --namespace istio-system svc/${INGRESS_GATEWAY_SERVICE} 8080:80 &
+        while ! curl localhost:8080; do echo waiting for port-forwarding; sleep 1; done; echo port-forwarding ready
+
+    - name: Dry-run KF Model Registry REST API
+      run: |
+        echo "Dry-run KF Model Registry REST API..."
+        export KF_TOKEN="$(kubectl -n default create token default)"
+        curl -H "Authorization: Bearer "$KF_TOKEN http://localhost:8080/api/model_registry/v1alpha3/registered_models