adoroszlai commented on code in PR #3835:
URL: https://github.com/apache/ozone/pull/3835#discussion_r1406370234
##########
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/node/SCMNodeManager.java:
##########
@@ -379,34 +380,31 @@ public RegisteredCommand register(
datanodeDetails.setIpAddress(dnAddress.getHostAddress());
}
- String dnsName;
- String networkLocation;
+ final String ipAddress = datanodeDetails.getIpAddress();
+ final String hostName = datanodeDetails.getHostName();
datanodeDetails.setNetworkName(datanodeDetails.getUuidString());
- if (useHostname) {
- dnsName = datanodeDetails.getHostName();
- } else {
- dnsName = datanodeDetails.getIpAddress();
- }
- networkLocation = nodeResolve(dnsName);
+ String networkLocation = nodeResolve(useHostname ? hostName : ipAddress);
if (networkLocation != null) {
datanodeDetails.setNetworkLocation(networkLocation);
}
+ final UUID uuid = datanodeDetails.getUuid();
if (!isNodeRegistered(datanodeDetails)) {
try {
clusterMap.add(datanodeDetails);
nodeStateManager.addNode(datanodeDetails, layoutInfo);
// Check that datanode in nodeStateManager has topology parent set
DatanodeDetails dn = nodeStateManager.getNode(datanodeDetails);
Preconditions.checkState(dn.getParent() != null);
- addToDnsToUuidMap(dnsName, datanodeDetails.getUuid());
+ addToDnsToUuidMap(ipAddress, uuid);
Review Comment:
Thanks @sadanand48, updated.
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