add a timeout (5 minutes) to wait for KVM agent host connecting to mgt svr, during adding host->discover

agent/src/com/cloud/agent/resource/DummyResource.java

@@ -32,7 +32,6 @@ import com.cloud.resource.ServerResource;
 
 @Local(value={ServerResource.class})
 public class DummyResource implements ServerResource {
-	private boolean _isRemoteAgent = false;
     String _name;
     Host.Type _type;
     boolean _negative;
@@ -102,12 +101,4 @@ public class DummyResource implements ServerResource {
     public void setAgentControl(IAgentControl agentControl) {
     	_agentControl = agentControl;
     }
-    
-    public boolean IsRemoteAgent() {
-    	return _isRemoteAgent;
-    }
-    
-    public void setRemoteAgent(boolean remote) {
-    	_isRemoteAgent = remote;
-    }
 }

core/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java

@@ -232,7 +232,6 @@ public abstract class CitrixResourceBase implements StoragePoolResource, ServerR
     protected String _guestNetworkName;
     protected int _wait;
     protected IAgentControl _agentControl;
-    protected boolean _isRemoteAgent = false;
     
     int _userVMCap = 0;
     final int _maxWeight = 256;
@@ -6045,17 +6044,6 @@ public abstract class CitrixResourceBase implements StoragePoolResource, ServerR
         _agentControl = agentControl;
     }
     
-    @Override
-    public boolean IsRemoteAgent() {
-    	return _isRemoteAgent;
-    }
-    
-    @Override
-    public void setRemoteAgent(boolean remote) {
-    	_isRemoteAgent = remote;
-    }
-
-    
     protected Answer execute(PoolEjectCommand cmd) {
         Connection conn = getConnection();
         String hostuuid = cmd.getHostuuid();

core/src/com/cloud/resource/ServerResource.java

@@ -71,8 +71,4 @@ public interface ServerResource extends Manager {
     public IAgentControl getAgentControl();
     
     public void setAgentControl(IAgentControl agentControl);
-    
-    public boolean IsRemoteAgent();
-    
-    public void setRemoteAgent(boolean remote);
 }

core/src/com/cloud/resource/ServerResourceBase.java

@@ -48,7 +48,6 @@ public abstract class ServerResourceBase implements ServerResource {
     protected NetworkInterface _storageNic;
     protected NetworkInterface _storageNic2;
     protected IAgentControl _agentControl;
-    protected boolean _isRemoteAgent = false;
 
     @Override
     public String getName() {
@@ -302,12 +301,4 @@ public abstract class ServerResourceBase implements ServerResource {
     public boolean stop() {
         return true;
     }
-    
-    public boolean IsRemoteAgent() {
-    	return _isRemoteAgent;
-    }
-    
-    public void setRemoteAgent(boolean remote) {
-    	_isRemoteAgent = remote;
-    }
 }

server/src/com/cloud/agent/manager/AgentManagerImpl.java

@@ -496,11 +496,9 @@ public class AgentManagerImpl implements AgentManager, HandlerFactory {
         long id = server.getId();
 
         AgentAttache attache = createAttache(id, server, resource);
-        if (!resource.IsRemoteAgent())
+       
         attache = notifyMonitorsOfConnection(attache, startup);
-        else {
+       
-             _hostDao.updateStatus(server, Event.AgentConnected, _nodeId);
-        }
         return attache;
     }
 
@@ -609,7 +607,19 @@ public class AgentManagerImpl implements AgentManager, HandlerFactory {
             if (resources != null) {
                 for (Map.Entry<? extends ServerResource, Map<String, String>> entry : resources.entrySet()) {
                     ServerResource resource = entry.getKey();
-
+                    /*For KVM, if we go to here, that means kvm agent is already connected to mgt svr.*/
+                    if (resource instanceof KvmDummyResourceBase) {
+                    	Map<String, String> details = entry.getValue();
+                    	String guid = details.get("guid");
+                    	List<HostVO> kvmHosts = _hostDao.listBy(Host.Type.Routing, clusterId, podId, dcId);
+                    	for (HostVO host: kvmHosts) {
+                    		if (host.getGuid() == guid) {
+                    			hosts.add(host);
+                    			return hosts;
+                    		}
+                    	}
+                    	return null;
+                    }
                     AgentAttache attache = simulateStart(resource, entry.getValue(), true);
                     if (attache != null) {
                         hosts.add(_hostDao.findById(attache.getId()));

server/src/com/cloud/agent/manager/DirectAgentAttache.java

@@ -126,10 +126,6 @@ public class DirectAgentAttache extends AgentAttache {
 	            ServerResource resource = _resource;
 	            
                 if (resource != null) {                    
-                    if (resource.IsRemoteAgent()) {
-                        return;
-                    }
-
         	        PingCommand cmd = resource.getCurrentStatus(_id);
         	        if (cmd == null) {
         	            s_logger.warn("Unable to get current status on " + _id);

server/src/com/cloud/hypervisor/kvm/discoverer/KvmServerDiscoverer.java

@@ -24,6 +24,7 @@ import com.cloud.configuration.dao.ConfigurationDao;
 import com.cloud.dc.ClusterVO;
 import com.cloud.dc.dao.ClusterDao;
 import com.cloud.exception.DiscoveryException;
+import com.cloud.host.Host;
 import com.cloud.host.HostVO;
 import com.cloud.host.Status;
 import com.cloud.host.Status.Event;
@@ -47,7 +48,7 @@ public class KvmServerDiscoverer extends DiscovererBase implements Discoverer,
 	 private String _setupAgentPath;
 	 private ConfigurationDao _configDao;
 	 private String _hostIp;
-	 private int _waitTime = 3; /*wait for 3 minutes*/
+	 private int _waitTime = 5; /*wait for 5 minutes*/
 	 @Inject HostDao _hostDao = null;
 	 @Inject ClusterDao _clusterDao;
 	 
@@ -218,15 +219,20 @@ public class KvmServerDiscoverer extends DiscovererBase implements Discoverer,
 			KvmDummyResourceBase kvmResource = new KvmDummyResourceBase();
 			Map<String, Object> params = new HashMap<String, Object>();
 			
+			guid = guid + "-LibvirtComputingResource";/*tail added by agent.java*/
 			params.put("zone", Long.toString(dcId));
 			params.put("pod", Long.toString(podId));
 			params.put("cluster",  Long.toString(clusterId));
-			params.put("guid", guid + "-LibvirtComputingResource"); /*tail added by agent.java*/
+			params.put("guid", guid); 
 			params.put("agentIp", agentIp);
 			kvmResource.configure("kvm agent", params);
-			kvmResource.setRemoteAgent(true);
 			resources.put(kvmResource, details);
 			
+			HostVO connectedHost = waitForHostConnect(dcId, podId, clusterId, guid);
+			if (connectedHost == null)
+				return null;
+			
+			details.put("guid", guid);
 			 /*set cluster hypervisor type to xenserver*/
             ClusterVO clu = _clusterDao.findById(clusterId);
             clu.setHypervisorType(HypervisorType.KVM.toString());
@@ -243,31 +249,22 @@ public class KvmServerDiscoverer extends DiscovererBase implements Discoverer,
 		return null;
 	}
 
-	@Override
+	private HostVO waitForHostConnect(long dcId, long podId, long clusterId, String guid) {
-	public void postDiscovery(List<HostVO> hosts, long msId) throws DiscoveryException {
+		for (int i = 0; i < _waitTime; i++) {
-		/*Wait for agent coming back*/
+			List<HostVO> hosts = _hostDao.listBy(Host.Type.Routing, clusterId, podId, dcId);
-		if (hosts.isEmpty()) {
+			for (HostVO host : hosts) {
-			return;
+				if (host.getGuid() == guid) {
+					return host;
+				}
 			}
-		HostVO host = hosts.get(0);
-		for (int i = 0 ; i < _waitTime; i++) {
-			
-			if (host.getStatus() != Status.Up) {
-				s_logger.debug("Wait host comes back, try: " + i);
 			try {
 				Thread.sleep(60000);
 			} catch (InterruptedException e) {
 				s_logger.debug("Failed to sleep: " + e.toString());
 			}
-			} else {
-				return;
 		}
-		}
+		s_logger.debug("Timeout, to wait for the host connecting to mgt svr, assuming it is failed");
-		
+		return null;
-		
-		_hostDao.updateStatus(host, Event.AgentDisconnected, msId);
-		/*Timeout, throw warning msg to user*/
-		throw new DiscoveryException("Host " + host.getId() + ":" + host.getPrivateIpAddress() + " does not come back, It may connect to server later, if not, please check the agent log on this host");
 	}
 	
 	@Override
@@ -289,4 +286,11 @@ public class KvmServerDiscoverer extends DiscovererBase implements Discoverer,
 	protected String getPatchPath() {
         return "scripts/vm/hypervisor/kvm/";
     }
+
+	@Override
+	public void postDiscovery(List<HostVO> hosts, long msId)
+			throws DiscoveryException {
+		// TODO Auto-generated method stub
+		
+	}
 }