public static IList <string> GetRMHAWebappAddresses(YarnConfiguration conf)
{
ICollection <string> rmIds = conf.GetStringCollection(YarnConfiguration.RmHaIds);
IList <string> addrs = new AList <string>();
if (YarnConfiguration.UseHttps(conf))
{
foreach (string id in rmIds)
{
string addr = conf.Get(YarnConfiguration.RmWebappHttpsAddress + "." + id);
if (addr != null)
{
addrs.AddItem(addr);
}
}
}
else
{
foreach (string id in rmIds)
{
string addr = conf.Get(YarnConfiguration.RmWebappAddress + "." + id);
if (addr != null)
{
addrs.AddItem(addr);
}
}
}
return(addrs);
}
public static string FindActiveRMHAId(YarnConfiguration conf)
{
YarnConfiguration yarnConf = new YarnConfiguration(conf);
ICollection <string> rmIds = yarnConf.GetStringCollection(YarnConfiguration.RmHaIds
);
foreach (string currentId in rmIds)
{
yarnConf.Set(YarnConfiguration.RmHaId, currentId);
try
{
HAServiceProtocol.HAServiceState haState = GetHAState(yarnConf);
if (haState.Equals(HAServiceProtocol.HAServiceState.Active))
{
return(currentId);
}
}
catch (Exception)
{
}
}
// Couldn't check if this RM is active. Do nothing. Worst case,
// we wouldn't find an Active RM and return null.
return(null);
}
