EMsnap commented on a change in pull request #374:
URL: https://github.com/apache/incubator-tubemq/pull/374#discussion_r549552283
##########
File path:
tubemq-manager/src/main/java/org/apache/tubemq/manager/service/NodeService.java
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@@ -120,6 +123,106 @@ private TubeHttpTopicInfoList
requestTopicConfigInfo(NodeEntry nodeEntry, String
}
+ public TubeMQResult cloneBrokersWithTopic(CloneBrokersReq req, int
clusterId) throws Exception {
+
+ // 1. query source broker config
+ QueryBrokerCfgReq queryReq =
QueryBrokerCfgReq.getReq(req.getSourceBrokerId());
+ NodeEntry masterEntry =
nodeRepository.findNodeEntryByClusterIdIsAndMasterIsTrue(
+ clusterId);
+ BrokerStatusInfo brokerStatusInfo = getBrokerStatusInfo(queryReq,
masterEntry);
+
+ // 2. use source broker config to clone brokers
+ BrokerConf sourceBrokerConf = brokerStatusInfo.getData().get(0);
+ AddBrokersReq addBrokersReq = getBatchAddBrokersReq(req, clusterId,
sourceBrokerConf);
+
+ // 3. request master, return broker ids generated by master
+ AddBrokerResult addBrokerResult =
addBrokersToClusterWithId(addBrokersReq, masterEntry);
+
+ // might have duplicate brokers
+ if (addBrokerResult.getErrCode() != 0) {
+ return TubeMQResult.getErrorResult(addBrokerResult.getErrMsg());
+ }
+ List<Integer> brokerIds = getBrokerIds(addBrokerResult);
+ List<AddTopicReq> addTopicReqs = req.getAddTopicReqs();
+
+ // 4. add topic to brokers
+ return addTopicToBrokers(masterEntry, brokerIds, addTopicReqs);
+ }
+
+ private TubeMQResult addTopicToBrokers(NodeEntry masterEntry,
List<Integer> brokerIds, List<AddTopicReq> addTopicReqs) {
+ TubeMQResult tubeResult = new TubeMQResult();
+ AddTopicsResult addTopicsResult = new AddTopicsResult();
+
+ if (CollectionUtils.isEmpty(addTopicReqs)) {
+ return tubeResult;
+ }
+ addTopicReqs.forEach(addTopicReq -> {
+ try {
+ String brokerStr = StringUtils.join(brokerIds, ",");
Review comment:
roger
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