/// <exception cref="System.Exception"/>
protected override void ServiceInit(Configuration conf)
{
conf = conf is YarnConfiguration ? conf : new YarnConfiguration(conf);
string zkQuorum = conf.Get(YarnConfiguration.RmZkAddress);
if (zkQuorum == null)
{
throw new YarnRuntimeException("Embedded automatic failover " + "is enabled, but "
+ YarnConfiguration.RmZkAddress + " is not set");
}
string rmId = HAUtil.GetRMHAId(conf);
string clusterId = YarnConfiguration.GetClusterId(conf);
localActiveNodeInfo = CreateActiveNodeInfo(clusterId, rmId);
string zkBasePath = conf.Get(YarnConfiguration.AutoFailoverZkBasePath, YarnConfiguration
.DefaultAutoFailoverZkBasePath);
string electionZNode = zkBasePath + "/" + clusterId;
long zkSessionTimeout = conf.GetLong(YarnConfiguration.RmZkTimeoutMs, YarnConfiguration
.DefaultRmZkTimeoutMs);
IList <ACL> zkAcls = RMZKUtils.GetZKAcls(conf);
IList <ZKUtil.ZKAuthInfo> zkAuths = RMZKUtils.GetZKAuths(conf);
int maxRetryNum = conf.GetInt(CommonConfigurationKeys.HaFcElectorZkOpRetriesKey,
CommonConfigurationKeys.HaFcElectorZkOpRetriesDefault);
elector = new ActiveStandbyElector(zkQuorum, (int)zkSessionTimeout, electionZNode
, zkAcls, zkAuths, this, maxRetryNum);
elector.EnsureParentZNode();
if (!IsParentZnodeSafe(clusterId))
{
NotifyFatalError(electionZNode + " znode has invalid data! " + "Might need formatting!"
);
}
base.ServiceInit(conf);
}