symious commented on code in PR #3762:
URL: https://github.com/apache/ozone/pull/3762#discussion_r976380734
##########
hadoop-hdds/tools/src/main/java/org/apache/hadoop/hdds/scm/cli/datanode/DiskBalancerStartSubcommand.java:
##########
@@ -55,31 +54,23 @@ public class DiskBalancerStartSubcommand extends
ScmSubcommand {
description = "Max parallelThread for DiskBalancer.")
private Optional<Integer> parallelThread;
- @Option(names = {"-a", "--allDatanodes"},
- description = "Start diskBalancer on all datanodes.")
- private boolean allHosts;
-
- @Parameters(description = "List of fully qualified host names")
- private List<String> hosts = new ArrayList<>();
+ @CommandLine.Mixin
+ private DiskBalancerCommonOptions commonOptions =
+ new DiskBalancerCommonOptions();
@Override
public void execute(ScmClient scmClient) throws IOException {
- if (hosts.size() == 0 && !allHosts) {
- System.out.println("Datanode not specified. Please specify " +
- "\"--allDatanodes\" to start diskBalancer on all datanodes");
- return;
- }
- if (hosts.size() != 0 && allHosts) {
- System.out.println("Confused options. Omit \"--allDatanodes\" or " +
- "Datanodes.");
+ if (!commonOptions.check()) {
return;
}
List<DatanodeAdminError> errors =
scmClient.startDiskBalancer(threshold, bandwidthInMB, parallelThread,
- hosts.size() == 0 ? Optional.empty() : Optional.of(hosts));
+ commonOptions.getHosts().size() == 0 ? Optional.empty() :
+ Optional.of(commonOptions.getHosts()));
Review Comment:
@lokeshj1703 Updated the patch, please have a look.
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