Added support for kubeflow 0.7 (#1814)

src/nni_manager/config/kubeflow/tfjob-crd-v1.json

+{
+  "kind": "CustomResourceDefinition", 
+  "spec": {
+    "scope": "Namespaced", 
+    "version": "v1", 
+    "group": "kubeflow.org", 
+    "names": {
+      "kind": "TFJob", 
+      "plural": "tfjobs", 
+      "singular": "tfjob"
+    }
+  }, 
+  "apiVersion": "apiextensions.k8s.io/v1beta1",
+  "metadata": {
+    "name": "tfjobs.kubeflow.org"
+  }
+}

src/nni_manager/training_service/kubernetes/kubeflow/kubeflowApiClient.ts

@@ -65,6 +65,25 @@ class TFOperatorClientV1Beta2 extends KubernetesCRDClient {
     }
 }
 
+class TFOperatorClientV1 extends KubernetesCRDClient {
+    /**
+     * constructor, to initialize tfjob CRD definition
+     */
+    public constructor() {
+        super();
+        this.crdSchema = JSON.parse(fs.readFileSync('./config/kubeflow/tfjob-crd-v1.json', 'utf8'));
+        this.client.addCustomResourceDefinition(this.crdSchema);
+    }
+
+    protected get operator(): any {
+        return this.client.apis['kubeflow.org'].v1.namespaces('default').tfjobs;
+    }
+
+    public get containerName(): string {
+        return 'tensorflow';
+    }
+}
+
 class PyTorchOperatorClientV1Alpha2 extends KubernetesCRDClient {
     /**
      * constructor, to initialize tfjob CRD definition
@@ -142,6 +161,9 @@ class KubeflowOperatorClientFactory {
                     case 'v1beta2': {
                         return new TFOperatorClientV1Beta2();
                     }
+                    case 'v1': {
+                        return new TFOperatorClientV1();
+                    }
                     default:
                         throw new Error(`Invalid tf-operator apiVersion ${operatorApiVersion}`);
                 }