pan3793 commented on code in PR #4670:
URL: https://github.com/apache/kyuubi/pull/4670#discussion_r1161380711


##########
kyuubi-server/src/main/scala/org/apache/kyuubi/server/api/v1/AdminResource.scala:
##########
@@ -296,6 +296,35 @@ private[v1] class AdminResource extends ApiRequestContext 
with Logging {
         node.attributes.asJava))
   }
 
+  @ApiResponse(
+    responseCode = "200",
+    content = Array(
+      new Content(
+        mediaType = MediaType.APPLICATION_JSON,
+        array = new ArraySchema(schema = new Schema(implementation =
+          classOf[OperationData])))),
+    description = "list all live kyuubi servers")
+  @GET
+  @Path("server")
+  def listServers(): Seq[ServerData] = {
+    val userName = fe.getSessionUser(Map.empty[String, String])
+    val ipAddress = fe.getIpAddress
+    info(s"Received list all live kyuubi servers request from 
$userName/$ipAddress")
+    if (!isAdministrator(userName)) {
+      throw new NotAllowedException(
+        s"$userName is not allowed to list all live kyuubi servers")
+    }
+    val kyuubiConf = fe.getConf
+    val servers = ListBuffer[ServerData]()
+    val serverSpec = DiscoveryPaths.makePath(null, 
kyuubiConf.get(HA_NAMESPACE))
+    withDiscoveryClient(kyuubiConf) { discoveryClient =>

Review Comment:
   what will happen if HA is disabled



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