Telemetry improvements (#1180)

Signed-off-by: Lauri Nevala <lauri.nevala@gmail.com>

src/main/cluster-detectors/distribution-detector.ts

@@ -31,7 +31,7 @@ export class DistributionDetector extends BaseClusterDetector {
     if (this.isCustom()) {
       return { value: "custom", accuracy: 10}
     }
-    return { value: "vanilla", accuracy: 10}
+    return { value: "unknown", accuracy: 10}
   }
 
   public async getKubernetesVersion() {

src/main/cluster-detectors/nodes-count-detector.ts

@@ -5,13 +5,12 @@ export class NodesCountDetector extends BaseClusterDetector {
   key = ClusterMetadataKey.NODES_COUNT
 
   public async detect() {
+    if (!this.cluster.accessible) return null;
     const nodeCount = await this.getNodeCount()
     return { value: nodeCount, accuracy: 100}
   }
 
   protected async getNodeCount(): Promise<number> {
-    if (!this.cluster.accessible) return null;
-
     const response = await this.k8sRequest("/api/v1/nodes")
     return response.items.length
   }