properly return topologies for local-hostpath

Signed-off-by: Travis Glenn Hansen <travisghansen@yahoo.com>

src/driver/controller-client-common/index.js

@@ -515,6 +515,11 @@ class ControllerClientCommonDriver extends CsiBaseDriver {
         driver.options.instance_id;
     }
 
+    let accessible_topology;
+    if (typeof this.getAccessibleTopology === "function") {
+      accessible_topology = await this.getAccessibleTopology();
+    }
+
     const res = {
       volume: {
         volume_id: name,
@@ -522,6 +527,7 @@ class ControllerClientCommonDriver extends CsiBaseDriver {
         capacity_bytes: 0,
         content_source: volume_content_source,
         volume_context,
+        accessible_topology,
       },
     };
 

src/driver/controller-local-hostpath/index.js

@@ -57,6 +57,22 @@ class ControllerLocalHostpathDriver extends ControllerClientCommonDriver {
     return [];
   }
 
+  /**
+   * List of topologies associated with the *volume*
+   *
+   * @returns array
+   */
+   async getAccessibleTopology() {
+    const response = await super.NodeGetInfo(...arguments);
+    return [
+      {
+        segments: {
+          [NODE_TOPOLOGY_KEY_NAME]: response.node_id,
+        },
+      },
+    ];
+  }
+
   /**
    * Add node topologies
    *