Xushaohong commented on code in PR #4265:
URL: https://github.com/apache/ozone/pull/4265#discussion_r1104013443
##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java:
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@@ -3023,6 +3025,51 @@ public ServiceInfoEx getServiceInfo() throws IOException
{
return new ServiceInfoEx(getServiceList(), caCertPem, caCertPemList);
}
+ @Override
+ public void transferLeadership(String nodeId)
+ throws IOException {
+ final UserGroupInformation ugi = getRemoteUser();
+ if (!isAdmin(ugi)) {
+ throw new OMException(
+ "Only Ozone admins are allowed to transfer raft leadership.",
+ PERMISSION_DENIED);
+ }
+ if (!isRatisEnabled) {
+ throw new IOException("OM HA not enabled..");
+ }
+ boolean auditSuccess = true;
+ Map<String, String> auditMap = new LinkedHashMap<>();
+ auditMap.put("nodeId", nodeId);
+ try {
+ RaftGroupId groupID = omRatisServer.getRaftGroup().getGroupId();
+ RaftServer.Division division = omRatisServer.getServer()
+ .getDivision(groupID);
+ RaftPeerId targetPeerId;
+ if (nodeId.isEmpty()) {
+ RaftPeer curLeader = omRatisServer.getLeader();
+ targetPeerId = division.getGroup()
+ .getPeers().stream().filter(a -> !a.equals(curLeader)).findFirst()
+ .map(RaftPeer::getId).orElse(null);
Review Comment:
done
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