[kafka-node] New Admin class methods (#37876)

* Added Admin class new methods https://www.npmjs.com/package/kafka-node#admin

* Fixed tslint issues, added tests.

* fixed identation

types/kafka-node/index.d.ts

@@ -5,6 +5,7 @@
 //                 Michael Haan <https://github.com/sfrooster>
 //                 Amiram Korach <https://github.com/amiram>
 //                 Insanehong <https://github.com/insanehong>
+//                 Roger <https://github.com/rstpv>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /// <reference types="node" />
@@ -103,9 +104,32 @@ export class KeyedMessage {
 export class Admin {
     constructor(kafkaClient: KafkaClient);
     listGroups(cb: (error: any, data: any) => any): void;
-    describeGroups(consumerGroups: any, cb: (error: any, data: any) => any): void;
+    describeGroups(
+        consumerGroups: any,
+        cb: (error: any, data: any) => any,
+    ): void;
+    listTopics(cb: (error: any, data: any) => any): void;
+    createTopics(
+        topics: TopicConfigData[],
+        cb: (error: any, data: any) => any,
+    ): void;
+    describeConfigs(
+        payload: { resources: Resource[]; includeSynonyms: boolean },
+        cb: (error: any, data: any) => any,
+    ): void;
+}
+export interface Resource {
+    resourceType: string;
+    resourceName: string;
+    configNames: string[];
 }
 
+export interface TopicConfigData {
+    topic: string;
+    partitions?: number;
+    replicationFactor?: number;
+    configEntry?: Array<{ name: string; value: string }>;
+}
 // # Interfaces
 
 export interface Message {
@@ -115,7 +139,7 @@ export interface Message {
     partition?: number;
     highWaterOffset?: number;
     key?: string;
-  }
+}
 
 export interface ProducerOptions {
     requireAcks?: number;
@@ -173,10 +197,10 @@ export interface ConsumerOptions {
 }
 
 export interface HighLevelConsumerOptions extends ConsumerOptions {
-  id?: string;
-  maxNumSegments?: number;
-  maxTickMessages?: number;
-  rebalanceRetry?: RetryOptions;
+    id?: string;
+    maxNumSegments?: number;
+    maxTickMessages?: number;
+    rebalanceRetry?: RetryOptions;
 }
 
 export interface CustomPartitionAssignmentProtocol {

types/kafka-node/kafka-node-tests.ts

@@ -280,3 +280,19 @@ admin.listGroups((err, data) => {
 });
 admin.describeGroups({}, (err, data) => {
 });
+admin.createTopics([{ topic: 'testing' }], (err, data) => {});
+admin.listTopics((err, data) => {
+});
+
+const resource = {
+  resourceType: "",   // 'broker' or 'topic'
+  resourceName: 'my-topic-name',
+  configNames: []           // specific config names, or empty array to return all,
+};
+const payload = {
+  resources: [resource],
+  includeSynonyms: false   // requires kafka 2.0+
+};
+admin.describeConfigs(payload, (err, res) => {
+  console.log(JSON.stringify(res, null, 1));
+});