/// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
/// <exception cref="System.IO.IOException"/>
public virtual RegisterNodeManagerResponse RegisterNodeManager(RegisterNodeManagerRequest
request)
{
NodeId nodeId = request.GetNodeId();
string host = nodeId.GetHost();
int cmPort = nodeId.GetPort();
int httpPort = request.GetHttpPort();
Resource capability = request.GetResource();
string nodeManagerVersion = request.GetNMVersion();
RegisterNodeManagerResponse response = recordFactory.NewRecordInstance <RegisterNodeManagerResponse
>();
if (!minimumNodeManagerVersion.Equals("NONE"))
{
if (minimumNodeManagerVersion.Equals("EqualToRM"))
{
minimumNodeManagerVersion = YarnVersionInfo.GetVersion();
}
if ((nodeManagerVersion == null) || (VersionUtil.CompareVersions(nodeManagerVersion
, minimumNodeManagerVersion)) < 0)
{
string message = "Disallowed NodeManager Version " + nodeManagerVersion + ", is less than the minimum version "
+ minimumNodeManagerVersion + " sending SHUTDOWN signal to " + "NodeManager.";
Log.Info(message);
response.SetDiagnosticsMessage(message);
response.SetNodeAction(NodeAction.Shutdown);
return(response);
}
}
// Check if this node is a 'valid' node
if (!this.nodesListManager.IsValidNode(host))
{
string message = "Disallowed NodeManager from " + host + ", Sending SHUTDOWN signal to the NodeManager.";
Log.Info(message);
response.SetDiagnosticsMessage(message);
response.SetNodeAction(NodeAction.Shutdown);
return(response);
}
// Check if this node has minimum allocations
if (capability.GetMemory() < minAllocMb || capability.GetVirtualCores() < minAllocVcores)
{
string message = "NodeManager from " + host + " doesn't satisfy minimum allocations, Sending SHUTDOWN"
+ " signal to the NodeManager.";
Log.Info(message);
response.SetDiagnosticsMessage(message);
response.SetNodeAction(NodeAction.Shutdown);
return(response);
}
response.SetContainerTokenMasterKey(containerTokenSecretManager.GetCurrentKey());
response.SetNMTokenMasterKey(nmTokenSecretManager.GetCurrentKey());
RMNode rmNode = new RMNodeImpl(nodeId, rmContext, host, cmPort, httpPort, Resolve
(host), capability, nodeManagerVersion);
RMNode oldNode = this.rmContext.GetRMNodes().PutIfAbsent(nodeId, rmNode);
if (oldNode == null)
{
this.rmContext.GetDispatcher().GetEventHandler().Handle(new RMNodeStartedEvent(nodeId
, request.GetNMContainerStatuses(), request.GetRunningApplications()));
}
else
{
Log.Info("Reconnect from the node at: " + host);
this.nmLivelinessMonitor.Unregister(nodeId);
// Reset heartbeat ID since node just restarted.
oldNode.ResetLastNodeHeartBeatResponse();
this.rmContext.GetDispatcher().GetEventHandler().Handle(new RMNodeReconnectEvent(
nodeId, rmNode, request.GetRunningApplications(), request.GetNMContainerStatuses
()));
}
// On every node manager register we will be clearing NMToken keys if
// present for any running application.
this.nmTokenSecretManager.RemoveNodeKey(nodeId);
this.nmLivelinessMonitor.Register(nodeId);
// Handle received container status, this should be processed after new
// RMNode inserted
if (!rmContext.IsWorkPreservingRecoveryEnabled())
{
if (!request.GetNMContainerStatuses().IsEmpty())
{
Log.Info("received container statuses on node manager register :" + request.GetNMContainerStatuses
());
foreach (NMContainerStatus status in request.GetNMContainerStatuses())
{
HandleNMContainerStatus(status, nodeId);
}
}
}
string message_1 = "NodeManager from node " + host + "(cmPort: " + cmPort + " httpPort: "
+ httpPort + ") " + "registered with capability: " + capability + ", assigned nodeId "
+ nodeId;
Log.Info(message_1);
response.SetNodeAction(NodeAction.Normal);
response.SetRMIdentifier(ResourceManager.GetClusterTimeStamp());
response.SetRMVersion(YarnVersionInfo.GetVersion());
return(response);
}