feat: implement the Service and Instance hierarchy topology. (#360)

src/graphql/fragments/topology.ts

@@ -99,3 +99,56 @@ export const ProcessTopology = {
   }
 `,
 };
+export const HierarchyServiceTopology = {
+  variable: "$serviceId: ID!, $layer: String!",
+  query: `
+  hierarchyServiceTopology: getServiceHierarchy(serviceId: $serviceId, layer: $layer) {
+    relations {
+      upperService {
+        id
+        name
+        layer
+        normal
+      }
+      lowerService {
+        id
+        name
+        layer
+        normal
+      }
+    }
+  }`,
+};
+export const HierarchyInstanceTopology = {
+  variable: "$instanceId: ID!, $layer: String!",
+  query: `
+  hierarchyInstanceTopology: getInstanceHierarchy(instanceId: $instanceId, layer: $layer) {
+    relations {
+      upperInstance {
+        id
+        name
+        layer
+        normal
+        serviceName
+        serviceId
+      }
+      lowerInstance {
+        id
+        name
+        layer
+        normal
+        serviceName
+        serviceId
+      }
+    }
+  }`,
+};
+
+export const ListLayerLevels = {
+  query: `
+  levels: listLayerLevels {
+    layer
+    level
+  }
+  `,
+};

src/graphql/query/topology.ts

@@ -14,9 +14,20 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { InstanceTopology, EndpointTopology, ServicesTopology, ProcessTopology } from "../fragments/topology";
+import {
+  InstanceTopology,
+  EndpointTopology,
+  ServicesTopology,
+  ProcessTopology,
+  HierarchyServiceTopology,
+  HierarchyInstanceTopology,
+  ListLayerLevels,
+} from "../fragments/topology";
 
 export const getInstanceTopology = `query queryData(${InstanceTopology.variable}) {${InstanceTopology.query}}`;
 export const getEndpointTopology = `query queryData(${EndpointTopology.variable}) {${EndpointTopology.query}}`;
 export const getServicesTopology = `query queryData(${ServicesTopology.variable}) {${ServicesTopology.query}}`;
 export const getProcessTopology = `query queryData(${ProcessTopology.variable}) {${ProcessTopology.query}}`;
+export const getHierarchyInstanceTopology = `query queryData(${HierarchyInstanceTopology.variable}) {${HierarchyInstanceTopology.query}}`;
+export const getHierarchyServiceTopology = `query queryData(${HierarchyServiceTopology.variable}) {${HierarchyServiceTopology.query}}`;
+export const queryListLayerLevels = `query queryLayerLevels {${ListLayerLevels.query}}`;