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Querying Cluster Information Using REST

Updated on 2022-09-14 GMT+08:00

Function

Use the REST service to transfer the URL consisting of the host and port to obtain the cluster version and status information through HTTPS.

Example Code

  • Obtaining the cluster version information

    The following code snippets are in the getClusterVersion method in the HBaseRestTest class of the hbase-rest-example\src\main\java\com\huawei\hadoop\hbase\examples packet.

    private void getClusterVersion(String url) {
         String endpoint = "/version/cluster";
         Optional<ResultModel> result = sendAction(url + endpoint, MethodType.GET, null);
         handleNormalResult((Optional<ResultModel>) result);
     }
  • Obtaining the cluster status information

    The following code snippets are in the getClusterStatus method in the HBaseRestTest class of the hbase-rest-example\src\main\java\com\huawei\hadoop\hbase\examples packet.

    private void getClusterStatus(String url) {
         String endpoint = "/status/cluster";
         Optional<ResultModel> result = sendAction(url + endpoint, MethodType.GET, null);
         handleNormalResult(result);
     }
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