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Posted to commits@cloudstack.apache.org by ke...@apache.org on 2013/10/16 02:30:03 UTC

git commit: updated refs/heads/vmsync-rebase to 534345e

Updated Branches:
  refs/heads/vmsync-rebase d72af4bd0 -> 534345e8a


Switch hypervisor resources to use power state


Project: http://git-wip-us.apache.org/repos/asf/cloudstack/repo
Commit: http://git-wip-us.apache.org/repos/asf/cloudstack/commit/534345e8
Tree: http://git-wip-us.apache.org/repos/asf/cloudstack/tree/534345e8
Diff: http://git-wip-us.apache.org/repos/asf/cloudstack/diff/534345e8

Branch: refs/heads/vmsync-rebase
Commit: 534345e8aa47da0f2cff663229c426428c07c36c
Parents: d72af4b
Author: Kelven Yang <ke...@gmail.com>
Authored: Tue Oct 15 17:29:13 2013 -0700
Committer: Kelven Yang <ke...@gmail.com>
Committed: Tue Oct 15 17:29:13 2013 -0700

----------------------------------------------------------------------
 .../com/cloud/agent/resource/DummyResource.java |   4 +-
 .../agent/api/CheckVirtualMachineAnswer.java    |  10 +-
 .../com/cloud/agent/api/PingRoutingCommand.java |   8 +-
 .../api/PingRoutingWithNwGroupsCommand.java     |   4 +-
 .../agent/api/PingRoutingWithOvsCommand.java    |   4 +-
 .../networkservice/BareMetalResourceBase.java   |  13 +-
 .../BaremetalDhcpResourceBase.java              |   8 +-
 .../networkservice/BaremetalDhcpdResource.java  |   4 +-
 .../BaremetalDnsmasqResource.java               |   3 +-
 .../BaremetalKickStartPxeResource.java          |   4 +-
 .../BaremetalPingPxeResource.java               |   4 +-
 .../kvm/resource/LibvirtComputingResource.java  | 171 ++++--------------
 .../cloud/ovm/hypervisor/OvmResourceBase.java   | 149 ++++------------
 .../cloud/agent/manager/MockVmManagerImpl.java  |   3 +-
 .../cloud/resource/AgentRoutingResource.java    |  90 +++-------
 .../vmware/resource/VmwareResource.java         | 152 +++-------------
 .../resource/VmwareStorageProcessor.java        |   3 +-
 .../xen/resource/CitrixResourceBase.java        | 177 +++++--------------
 .../xen/resource/XenServerPoolVms.java          |   2 -
 .../com/cloud/ha/CheckOnAgentInvestigator.java  |   3 +-
 .../kvm/discoverer/KvmDummyResourceBase.java    |   4 +-
 .../cloud/resource/DummyHostServerResource.java |   3 +-
 22 files changed, 194 insertions(+), 629 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/agent/src/com/cloud/agent/resource/DummyResource.java
----------------------------------------------------------------------
diff --git a/agent/src/com/cloud/agent/resource/DummyResource.java b/agent/src/com/cloud/agent/resource/DummyResource.java
index 37a8b3d..c784983 100755
--- a/agent/src/com/cloud/agent/resource/DummyResource.java
+++ b/agent/src/com/cloud/agent/resource/DummyResource.java
@@ -29,12 +29,12 @@ import com.cloud.agent.api.Answer;
 import com.cloud.agent.api.CheckNetworkAnswer;
 import com.cloud.agent.api.CheckNetworkCommand;
 import com.cloud.agent.api.Command;
+import com.cloud.agent.api.HostVmStateReportEntry;
 import com.cloud.agent.api.PingCommand;
 import com.cloud.agent.api.StartupCommand;
 import com.cloud.agent.api.StartupRoutingCommand;
 import com.cloud.agent.api.StartupStorageCommand;
 import com.cloud.agent.api.StoragePoolInfo;
-import com.cloud.agent.api.StartupRoutingCommand.VmState;
 import com.cloud.host.Host;
 import com.cloud.host.Host.Type;
 import com.cloud.hypervisor.Hypervisor.HypervisorType;
@@ -162,7 +162,7 @@ public class DummyResource implements ServerResource {
 
     @Override
     public StartupCommand[] initialize() {
-        Map<String, VmState> changes = null;
+        Map<String, HostVmStateReportEntry> changes = null;
 
         final List<Object> info = getHostInfo();
 

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/core/src/com/cloud/agent/api/CheckVirtualMachineAnswer.java
----------------------------------------------------------------------
diff --git a/core/src/com/cloud/agent/api/CheckVirtualMachineAnswer.java b/core/src/com/cloud/agent/api/CheckVirtualMachineAnswer.java
index 3f0ffdb..cebdfd1 100644
--- a/core/src/com/cloud/agent/api/CheckVirtualMachineAnswer.java
+++ b/core/src/com/cloud/agent/api/CheckVirtualMachineAnswer.java
@@ -16,24 +16,24 @@
 // under the License.
 package com.cloud.agent.api;
 
-import com.cloud.vm.VirtualMachine.State;
+import com.cloud.vm.VirtualMachine.PowerState;
 
 public class CheckVirtualMachineAnswer extends Answer {
 
     Integer vncPort;
-    State state;
+    PowerState state;
 
 
     protected CheckVirtualMachineAnswer() {
     }
 
-    public CheckVirtualMachineAnswer(CheckVirtualMachineCommand cmd, State state, Integer vncPort, String detail) {
+    public CheckVirtualMachineAnswer(CheckVirtualMachineCommand cmd, PowerState state, Integer vncPort, String detail) {
         super(cmd, true, detail);
         this.state = state;
         this.vncPort = vncPort;
     }
 
-    public CheckVirtualMachineAnswer(CheckVirtualMachineCommand cmd, State state, Integer vncPort) {
+    public CheckVirtualMachineAnswer(CheckVirtualMachineCommand cmd, PowerState state, Integer vncPort) {
         this(cmd, state, vncPort, null);
     }
 
@@ -46,7 +46,7 @@ public class CheckVirtualMachineAnswer extends Answer {
         return vncPort;
     }
 
-    public State getState() {
+    public PowerState getState() {
         return state;
     }
 }

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/core/src/com/cloud/agent/api/PingRoutingCommand.java
----------------------------------------------------------------------
diff --git a/core/src/com/cloud/agent/api/PingRoutingCommand.java b/core/src/com/cloud/agent/api/PingRoutingCommand.java
index e25ac62..8b8b554 100755
--- a/core/src/com/cloud/agent/api/PingRoutingCommand.java
+++ b/core/src/com/cloud/agent/api/PingRoutingCommand.java
@@ -19,22 +19,22 @@ package com.cloud.agent.api;
 import java.util.Map;
 
 import com.cloud.host.Host;
-import com.cloud.vm.VirtualMachine.State;
+import com.cloud.vm.VirtualMachine.PowerState;
 
 public class PingRoutingCommand extends PingCommand {
-    Map<String, State> newStates;
+    Map<String, PowerState> newStates;
     boolean _gatewayAccessible = true;
     boolean _vnetAccessible = true;
 
     protected PingRoutingCommand() {
     }
 
-    public PingRoutingCommand(Host.Type type, long id, Map<String, State> states) {
+    public PingRoutingCommand(Host.Type type, long id, Map<String, PowerState> states) {
         super(type, id);
         this.newStates = states;
     }
 
-    public Map<String, State> getNewStates() {
+    public Map<String, PowerState> getNewStates() {
         return newStates;
     }
 

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/core/src/com/cloud/agent/api/PingRoutingWithNwGroupsCommand.java
----------------------------------------------------------------------
diff --git a/core/src/com/cloud/agent/api/PingRoutingWithNwGroupsCommand.java b/core/src/com/cloud/agent/api/PingRoutingWithNwGroupsCommand.java
index 51226bc..bb183bd 100644
--- a/core/src/com/cloud/agent/api/PingRoutingWithNwGroupsCommand.java
+++ b/core/src/com/cloud/agent/api/PingRoutingWithNwGroupsCommand.java
@@ -21,7 +21,7 @@ import java.util.Map;
 
 import com.cloud.host.Host;
 import com.cloud.utils.Pair;
-import com.cloud.vm.VirtualMachine.State;
+import com.cloud.vm.VirtualMachine.PowerState;
 
 
 public class PingRoutingWithNwGroupsCommand extends PingRoutingCommand {
@@ -31,7 +31,7 @@ public class PingRoutingWithNwGroupsCommand extends PingRoutingCommand {
 		super();
 	}
 
-	public PingRoutingWithNwGroupsCommand(Host.Type type, long id, Map<String, State> states, HashMap<String, Pair<Long, Long>> nwGrpStates) {
+	public PingRoutingWithNwGroupsCommand(Host.Type type, long id, Map<String, PowerState> states, HashMap<String, Pair<Long, Long>> nwGrpStates) {
 		super(type, id, states);
 		newGroupStates = nwGrpStates;
 	}

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/core/src/com/cloud/agent/api/PingRoutingWithOvsCommand.java
----------------------------------------------------------------------
diff --git a/core/src/com/cloud/agent/api/PingRoutingWithOvsCommand.java b/core/src/com/cloud/agent/api/PingRoutingWithOvsCommand.java
index d44987b..f87bed8 100644
--- a/core/src/com/cloud/agent/api/PingRoutingWithOvsCommand.java
+++ b/core/src/com/cloud/agent/api/PingRoutingWithOvsCommand.java
@@ -21,7 +21,7 @@ import java.util.Map;
 
 import com.cloud.host.Host;
 import com.cloud.utils.Pair;
-import com.cloud.vm.VirtualMachine.State;
+import com.cloud.vm.VirtualMachine.PowerState;
 
 public class PingRoutingWithOvsCommand extends PingRoutingCommand {
 	List<Pair<String, Long>> states;
@@ -31,7 +31,7 @@ public class PingRoutingWithOvsCommand extends PingRoutingCommand {
 	}
 
 	public PingRoutingWithOvsCommand(Host.Type type, long id,
-			Map<String, State> states, List<Pair<String, Long>> ovsStates) {
+			Map<String, PowerState> states, List<Pair<String, Long>> ovsStates) {
 		super(type, id, states);
 		this.states = ovsStates;
 	}

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BareMetalResourceBase.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BareMetalResourceBase.java b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BareMetalResourceBase.java
index a814530..0bc27f5 100755
--- a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BareMetalResourceBase.java
+++ b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BareMetalResourceBase.java
@@ -77,6 +77,7 @@ import com.cloud.utils.script.Script2;
 import com.cloud.utils.script.Script2.ParamType;
 import com.cloud.vm.VMInstanceVO;
 import com.cloud.vm.VirtualMachine;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VirtualMachine.State;
 import com.cloud.vm.dao.VMInstanceDao;
 
@@ -314,13 +315,13 @@ public class BareMetalResourceBase extends ManagerBase implements ServerResource
 		}
 	}
 
-    protected Map<String, State> fullSync() {
-        Map<String, State> states = new HashMap<String, State>();
+    protected Map<String, PowerState> fullSync() {
+        Map<String, PowerState> states = new HashMap<String, PowerState>();
         if (hostId != null) {
             vmDao = ComponentContext.getComponent(VMInstanceDao.class);
             final List<? extends VMInstanceVO> vms = vmDao.listByHostId(hostId);
             for (VMInstanceVO vm : vms) {
-                states.put(vm.getInstanceName(), vm.getState());
+                states.put(vm.getInstanceName(), vm.getState() == State.Running ? PowerState.PowerOn : PowerState.PowerOff);
             }
         }
         /*
@@ -411,7 +412,7 @@ public class BareMetalResourceBase extends ManagerBase implements ServerResource
 	}
 
 	protected CheckVirtualMachineAnswer execute(final CheckVirtualMachineCommand cmd) {
-		return new CheckVirtualMachineAnswer(cmd, State.Stopped, null);
+		return new CheckVirtualMachineAnswer(cmd, PowerState.PowerOff, null);
 	}
 
 	protected Answer execute(IpmiBootorResetCommand cmd) {
@@ -563,8 +564,8 @@ public class BareMetalResourceBase extends ManagerBase implements ServerResource
 		}
 	}
 
-	protected HashMap<String, State> deltaSync() {
-		final HashMap<String, State> changes = new HashMap<String, State>();
+	protected HashMap<String, PowerState> deltaSync() {
+		final HashMap<String, PowerState> changes = new HashMap<String, PowerState>();
 		/*
 		 * Disable sync until we find a way that only tracks status but not does
 		 * action

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDhcpResourceBase.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDhcpResourceBase.java b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDhcpResourceBase.java
index 2a17a43..7653b09 100755
--- a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDhcpResourceBase.java
+++ b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDhcpResourceBase.java
@@ -38,14 +38,10 @@ import com.cloud.agent.api.ReadyAnswer;
 import com.cloud.agent.api.ReadyCommand;
 import com.cloud.agent.api.StartupCommand;
 import com.cloud.agent.api.StartupExternalDhcpCommand;
-import com.cloud.agent.api.StartupPxeServerCommand;
 import com.cloud.host.Host.Type;
 import com.cloud.resource.ServerResource;
 import com.cloud.utils.component.ManagerBase;
-import com.cloud.utils.script.Script;
-import com.cloud.utils.ssh.SSHCmdHelper;
-import com.cloud.vm.VirtualMachine.State;
-import com.trilead.ssh2.SCPClient;
+import com.cloud.vm.VirtualMachine.PowerState;
 
 public class BaremetalDhcpResourceBase extends ManagerBase implements ServerResource {
 	private static final Logger s_logger = Logger.getLogger(BaremetalDhcpResourceBase.class);
@@ -129,7 +125,7 @@ public class BaremetalDhcpResourceBase extends ManagerBase implements ServerReso
 	@Override
 	public PingCommand getCurrentStatus(long id) {
 		//TODO: check server
-		return new PingRoutingCommand(getType(), id, new HashMap<String, State>());
+		return new PingRoutingCommand(getType(), id, new HashMap<String, PowerState>());
 	}
 
 	protected ReadyAnswer execute(ReadyCommand cmd) {

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDhcpdResource.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDhcpdResource.java b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDhcpdResource.java
index a27a6f2..1ab89e5 100755
--- a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDhcpdResource.java
+++ b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDhcpdResource.java
@@ -36,7 +36,7 @@ import com.cloud.agent.api.PingRoutingCommand;
 import com.cloud.agent.api.routing.DhcpEntryCommand;
 import com.cloud.utils.script.Script;
 import com.cloud.utils.ssh.SSHCmdHelper;
-import com.cloud.vm.VirtualMachine.State;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.trilead.ssh2.SCPClient;
 
 public class BaremetalDhcpdResource extends BaremetalDhcpResourceBase {
@@ -105,7 +105,7 @@ public class BaremetalDhcpdResource extends BaremetalDhcpResourceBase {
 			return null;
 		} else {
 			SSHCmdHelper.releaseSshConnection(sshConnection);
-			return new PingRoutingCommand(getType(), id, new HashMap<String, State>());
+			return new PingRoutingCommand(getType(), id, new HashMap<String, PowerState>());
 		}
 	}
 	

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDnsmasqResource.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDnsmasqResource.java b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDnsmasqResource.java
index d0fb2b4..d9a2a3a 100755
--- a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDnsmasqResource.java
+++ b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalDnsmasqResource.java
@@ -37,6 +37,7 @@ import com.cloud.agent.api.PingRoutingCommand;
 import com.cloud.agent.api.routing.DhcpEntryCommand;
 import com.cloud.utils.script.Script;
 import com.cloud.utils.ssh.SSHCmdHelper;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VirtualMachine.State;
 import com.trilead.ssh2.SCPClient;
 
@@ -98,7 +99,7 @@ public class BaremetalDnsmasqResource extends BaremetalDhcpResourceBase {
 			return null;
 		} else {
 			SSHCmdHelper.releaseSshConnection(sshConnection);
-			return new PingRoutingCommand(getType(), id, new HashMap<String, State>());
+			return new PingRoutingCommand(getType(), id, new HashMap<String, PowerState>());
 		}
 	}
 

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalKickStartPxeResource.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalKickStartPxeResource.java b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalKickStartPxeResource.java
index 7a7a515..cb9315e 100755
--- a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalKickStartPxeResource.java
+++ b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalKickStartPxeResource.java
@@ -35,7 +35,7 @@ import com.cloud.agent.api.routing.VmDataCommand;
 import com.cloud.utils.exception.CloudRuntimeException;
 import com.cloud.utils.script.Script;
 import com.cloud.utils.ssh.SSHCmdHelper;
-import com.cloud.vm.VirtualMachine.State;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.trilead.ssh2.SCPClient;
 
 public class BaremetalKickStartPxeResource extends BaremetalPxeResourceBase {
@@ -106,7 +106,7 @@ public class BaremetalKickStartPxeResource extends BaremetalPxeResourceBase {
             return null;
         } else {
             SSHCmdHelper.releaseSshConnection(sshConnection);
-            return new PingRoutingCommand(getType(), id, new HashMap<String, State>());
+            return new PingRoutingCommand(getType(), id, new HashMap<String, PowerState>());
         }
     }
 

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalPingPxeResource.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalPingPxeResource.java b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalPingPxeResource.java
index 2fb5415..e36d850 100755
--- a/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalPingPxeResource.java
+++ b/plugins/hypervisors/baremetal/src/com/cloud/baremetal/networkservice/BaremetalPingPxeResource.java
@@ -40,7 +40,7 @@ import com.cloud.agent.api.baremetal.prepareCreateTemplateCommand;
 import com.cloud.agent.api.routing.VmDataCommand;
 import com.cloud.utils.script.Script;
 import com.cloud.utils.ssh.SSHCmdHelper;
-import com.cloud.vm.VirtualMachine.State;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.trilead.ssh2.SCPClient;
 
 public class BaremetalPingPxeResource extends BaremetalPxeResourceBase {
@@ -142,7 +142,7 @@ public class BaremetalPingPxeResource extends BaremetalPxeResourceBase {
 			return null;
 		} else {
 			SSHCmdHelper.releaseSshConnection(sshConnection);
-			return new PingRoutingCommand(getType(), id, new HashMap<String, State>());
+			return new PingRoutingCommand(getType(), id, new HashMap<String, PowerState>());
 		}
 	}
 	

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
index af31d48..08c6370 100755
--- a/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
+++ b/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtComputingResource.java
@@ -241,6 +241,7 @@ import com.cloud.utils.script.OutputInterpreter;
 import com.cloud.utils.script.Script;
 import com.cloud.vm.DiskProfile;
 import com.cloud.vm.VirtualMachine;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VirtualMachine.State;
 
 import com.ceph.rados.Rados;
@@ -378,21 +379,21 @@ ServerResource {
     protected int _timeout;
     protected int _cmdsTimeout;
     protected int _stopTimeout;
-    protected static HashMap<DomainInfo.DomainState, State> s_statesTable;
+    protected static HashMap<DomainInfo.DomainState, PowerState> s_statesTable;
     static {
-        s_statesTable = new HashMap<DomainInfo.DomainState, State>();
+        s_statesTable = new HashMap<DomainInfo.DomainState, PowerState>();
         s_statesTable.put(DomainInfo.DomainState.VIR_DOMAIN_SHUTOFF,
-                State.Stopped);
+                PowerState.PowerOff);
         s_statesTable.put(DomainInfo.DomainState.VIR_DOMAIN_PAUSED,
-                State.Running);
+                PowerState.PowerOn);
         s_statesTable.put(DomainInfo.DomainState.VIR_DOMAIN_RUNNING,
-                State.Running);
+                PowerState.PowerOn);
         s_statesTable.put(DomainInfo.DomainState.VIR_DOMAIN_BLOCKED,
-                State.Running);
+        		PowerState.PowerOn);
         s_statesTable.put(DomainInfo.DomainState.VIR_DOMAIN_NOSTATE,
-                State.Unknown);
+        		PowerState.PowerUnknown);
         s_statesTable.put(DomainInfo.DomainState.VIR_DOMAIN_SHUTDOWN,
-                State.Stopping);
+        		PowerState.PowerOff);
     }
 
     protected HashMap<String, State> _vms = new HashMap<String, State>(20);
@@ -2778,18 +2779,18 @@ ServerResource {
         return new ReadyAnswer(cmd);
     }
 
-    protected State convertToState(DomainInfo.DomainState ps) {
-        final State state = s_statesTable.get(ps);
-        return state == null ? State.Unknown : state;
+    protected PowerState convertToState(DomainInfo.DomainState ps) {
+        final PowerState state = s_statesTable.get(ps);
+        return state == null ? PowerState.PowerUnknown : state;
     }
 
-    protected State getVmState(Connect conn, final String vmName) {
+    protected PowerState getVmState(Connect conn, final String vmName) {
         int retry = 3;
         Domain vms = null;
         while (retry-- > 0) {
             try {
                 vms = conn.domainLookupByName(vmName);
-                State s = convertToState(vms.getInfo().state);
+                PowerState s = convertToState(vms.getInfo().state);
                 return s;
             } catch (final LibvirtException e) {
                 s_logger.warn("Can't get vm state " + vmName + e.getMessage()
@@ -2804,15 +2805,15 @@ ServerResource {
                 }
             }
         }
-        return State.Stopped;
+        return PowerState.PowerOff;
     }
 
     private Answer execute(CheckVirtualMachineCommand cmd) {
         try {
             Connect conn = LibvirtConnection.getConnectionByVmName(cmd.getVmName());
-            final State state = getVmState(conn, cmd.getVmName());
+            final PowerState state = getVmState(conn, cmd.getVmName());
             Integer vncPort = null;
-            if (state == State.Running) {
+            if (state == PowerState.PowerOn) {
                 vncPort = getVncPort(conn, cmd.getVmName());
 
                 synchronized (_vms) {
@@ -3930,7 +3931,7 @@ ServerResource {
 
     @Override
     public PingCommand getCurrentStatus(long id) {
-        final HashMap<String, State> newStates = sync();
+        final HashMap<String, PowerState> newStates = sync();
 
         if (!_can_bridge_firewall) {
             return new PingRoutingCommand(com.cloud.host.Host.Type.Routing, id,
@@ -3961,7 +3962,7 @@ ServerResource {
 
     @Override
     public StartupCommand[] initialize() {
-        Map<String, State> changes = null;
+        Map<String, PowerState> changes = null;
 
         synchronized (_vms) {
             _vms.clear();
@@ -4009,120 +4010,16 @@ ServerResource {
             return new StartupCommand[] { cmd };
         }
     }
-
-    protected HashMap<String, State> sync() {
-        HashMap<String, State> newStates;
-        HashMap<String, State> oldStates = null;
-
-        final HashMap<String, State> changes = new HashMap<String, State>();
-
-        synchronized (_vms) {
-            newStates = getAllVms();
-            if (newStates == null) {
-                s_logger.debug("Unable to get the vm states so no state sync at this point.");
-                return changes;
-            }
-
-            oldStates = new HashMap<String, State>(_vms.size());
-            oldStates.putAll(_vms);
-
-            for (final Map.Entry<String, State> entry : newStates.entrySet()) {
-                final String vm = entry.getKey();
-
-                State newState = entry.getValue();
-                final State oldState = oldStates.remove(vm);
-
-                if (newState == State.Stopped && oldState != State.Stopping
-                        && oldState != null && oldState != State.Stopped) {
-                    newState = getRealPowerState(vm);
-                }
-
-                if (s_logger.isTraceEnabled()) {
-                    s_logger.trace("VM " + vm + ": libvirt has state "
-                            + newState + " and we have state "
-                            + (oldState != null ? oldState.toString() : "null"));
-                }
-
-                if (vm.startsWith("migrating")) {
-                    s_logger.debug("Migration detected.  Skipping");
-                    continue;
-                }
-                if (oldState == null) {
-                    _vms.put(vm, newState);
-                    s_logger.debug("Detecting a new state but couldn't find a old state so adding it to the changes: "
-                            + vm);
-                    changes.put(vm, newState);
-                } else if (oldState == State.Starting) {
-                    if (newState == State.Running) {
-                        _vms.put(vm, newState);
-                    } else if (newState == State.Stopped) {
-                        s_logger.debug("Ignoring vm " + vm
-                                + " because of a lag in starting the vm.");
-                    }
-                } else if (oldState == State.Migrating) {
-                    if (newState == State.Running) {
-                        s_logger.debug("Detected that an migrating VM is now running: "
-                                + vm);
-                        _vms.put(vm, newState);
-                    }
-                } else if (oldState == State.Stopping) {
-                    if (newState == State.Stopped) {
-                        _vms.put(vm, newState);
-                    } else if (newState == State.Running) {
-                        s_logger.debug("Ignoring vm " + vm
-                                + " because of a lag in stopping the vm. ");
-                    }
-                } else if (oldState != newState) {
-                    _vms.put(vm, newState);
-                    if (newState == State.Stopped) {
-                        if (_vmsKilled.remove(vm)) {
-                            s_logger.debug("VM " + vm
-                                    + " has been killed for storage. ");
-                            newState = State.Error;
-                        }
-                    }
-                    changes.put(vm, newState);
-                }
-            }
-
-            for (final Map.Entry<String, State> entry : oldStates.entrySet()) {
-                final String vm = entry.getKey();
-                final State oldState = entry.getValue();
-
-                if (s_logger.isTraceEnabled()) {
-                    s_logger.trace("VM "
-                            + vm
-                            + " is now missing from libvirt so reporting stopped");
-                }
-
-                if (oldState == State.Stopping) {
-                    s_logger.debug("Ignoring VM " + vm
-                            + " in transition state stopping.");
-                    _vms.remove(vm);
-                } else if (oldState == State.Starting) {
-                    s_logger.debug("Ignoring VM " + vm
-                            + " in transition state starting.");
-                } else if (oldState == State.Stopped) {
-                    _vms.remove(vm);
-                } else if (oldState == State.Migrating) {
-                    s_logger.debug("Ignoring VM " + vm + " in migrating state.");
-                } else {
-                    _vms.remove(vm);
-                    State state = State.Stopped;
-                    if (_vmsKilled.remove(entry.getKey())) {
-                        s_logger.debug("VM " + vm
-                                + " has been killed by storage monitor");
-                        state = State.Error;
-                    }
-                    changes.put(entry.getKey(), state);
-                }
-            }
-        }
-
-        return changes;
+    
+    protected HashMap<String, PowerState> sync() {
+    	HashMap<String, PowerState> newStates = getAllVms();
+    	if(newStates != null)
+    		return newStates;
+    	
+    	return new HashMap<String, PowerState>();
     }
 
-    protected State getRealPowerState(String vm) {
+    protected PowerState getRealPowerState(String vm) {
         int i = 0;
         s_logger.trace("Checking on the HALTED State");
         Domain dm = null;
@@ -4154,7 +4051,7 @@ ServerResource {
                 s_logger.trace("Ignoring InterruptedException.", e);
             }
         }
-        return State.Stopped;
+        return PowerState.PowerOff;
     }
 
     protected List<String> getAllVmNames(Connect conn) {
@@ -4197,8 +4094,8 @@ ServerResource {
         return la;
     }
 
-    private HashMap<String, State> getAllVms() {
-        final HashMap<String, State> vmStates = new HashMap<String, State>();
+    private HashMap<String, PowerState> getAllVms() {
+        final HashMap<String, PowerState> vmStates = new HashMap<String, PowerState>();
         Connect conn = null;
 
         if (_hypervisorType == HypervisorType.LXC) {
@@ -4222,8 +4119,8 @@ ServerResource {
         return vmStates;
     }
 
-    private HashMap<String, State> getAllVms(Connect conn) {
-        final HashMap<String, State> vmStates = new HashMap<String, State>();
+    private HashMap<String, PowerState> getAllVms(Connect conn) {
+        final HashMap<String, PowerState> vmStates = new HashMap<String, PowerState>();
 
         String[] vms = null;
         int[] ids = null;
@@ -4248,7 +4145,7 @@ ServerResource {
 
                 DomainInfo.DomainState ps = dm.getInfo().state;
 
-                final State state = convertToState(ps);
+                final PowerState state = convertToState(ps);
 
                 s_logger.trace("VM " + dm.getName() + ": powerstate = " + ps
                         + "; vm state=" + state.toString());
@@ -4273,7 +4170,7 @@ ServerResource {
                 dm = conn.domainLookupByName(vms[i]);
 
                 DomainInfo.DomainState ps = dm.getInfo().state;
-                final State state = convertToState(ps);
+                final PowerState state = convertToState(ps);
                 String vmName = dm.getName();
                 s_logger.trace("VM " + vmName + ": powerstate = " + ps
                         + "; vm state=" + state.toString());

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/ovm/src/com/cloud/ovm/hypervisor/OvmResourceBase.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/ovm/src/com/cloud/ovm/hypervisor/OvmResourceBase.java b/plugins/hypervisors/ovm/src/com/cloud/ovm/hypervisor/OvmResourceBase.java
index 1eddedc..81d46ec 100755
--- a/plugins/hypervisors/ovm/src/com/cloud/ovm/hypervisor/OvmResourceBase.java
+++ b/plugins/hypervisors/ovm/src/com/cloud/ovm/hypervisor/OvmResourceBase.java
@@ -131,6 +131,7 @@ import com.cloud.utils.script.Script;
 import com.cloud.utils.ssh.SSHCmdHelper;
 import com.cloud.vm.DiskProfile;
 import com.cloud.vm.VirtualMachine;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VirtualMachine.State;
 import com.trilead.ssh2.SCPClient;
 
@@ -154,16 +155,16 @@ public class OvmResourceBase implements ServerResource, HypervisorResource {
     static boolean _isHeartBeat = false;
     List<String> _bridges = null;
 	protected HashMap<String, State> _vms = new HashMap<String, State>(50);
-	static HashMap<String, State> _stateMaps;
+	static HashMap<String, PowerState> _stateMaps;
 	private final Map<String, Pair<Long, Long>> _vmNetworkStats= new ConcurrentHashMap<String, Pair<Long, Long>>();
 	private static String _ovsAgentPath = "/opt/ovs-agent-latest";
 	
 	static {
-		_stateMaps = new HashMap<String, State>();
-		_stateMaps.put("RUNNING", State.Running);
-		_stateMaps.put("DOWN", State.Stopped);
-		_stateMaps.put("ERROR", State.Error);
-		_stateMaps.put("SUSPEND", State.Stopped);
+		_stateMaps = new HashMap<String, PowerState>();
+		_stateMaps.put("RUNNING", PowerState.PowerOn);
+		_stateMaps.put("DOWN", PowerState.PowerOff);
+		_stateMaps.put("ERROR", PowerState.PowerUnknown);
+		_stateMaps.put("SUSPEND", PowerState.PowerOff);
 	}
 	
 	@Override
@@ -378,7 +379,7 @@ public class OvmResourceBase implements ServerResource, HypervisorResource {
 		try {
 			StartupRoutingCommand cmd = new StartupRoutingCommand();
 			fillHostInfo(cmd);
-	        Map<String, State> changes = null;
+	        Map<String, PowerState> changes = null;
 	        synchronized (_vms) {
 	            _vms.clear();
 	            changes = sync();
@@ -396,7 +397,7 @@ public class OvmResourceBase implements ServerResource, HypervisorResource {
 	public PingCommand getCurrentStatus(long id) {
 		try {
 			OvmHost.ping(_conn);
-			HashMap<String, State> newStates = sync();
+			HashMap<String, PowerState> newStates = sync();
 			return new PingRoutingCommand(getType(), id, newStates);
 		} catch (XmlRpcException e) {
 			s_logger.debug("Check agent status failed", e);
@@ -776,125 +777,35 @@ public class OvmResourceBase implements ServerResource, HypervisorResource {
         }
     }
 
-    private State toState(String vmName, String s) {
-        State state = _stateMaps.get(s);
+    private PowerState toState(String vmName, String s) {
+        PowerState state = _stateMaps.get(s);
         if (state == null) {
             s_logger.debug("Unkown state " + s + " for " + vmName);
-            state = State.Unknown;
+            state = PowerState.PowerUnknown;
         }
         return state;
     }
 
-    protected HashMap<String, State> getAllVms() throws XmlRpcException {
-        final HashMap<String, State> vmStates = new HashMap<String, State>();
+    protected HashMap<String, PowerState> getAllVms() throws XmlRpcException {
+        final HashMap<String, PowerState> vmStates = new HashMap<String, PowerState>();
         Map<String, String> vms = OvmHost.getAllVms(_conn);
         for (final Map.Entry<String, String> entry : vms.entrySet()) {
-            State state = toState(entry.getKey(), entry.getValue());
+            PowerState state = toState(entry.getKey(), entry.getValue());
             vmStates.put(entry.getKey(), state);
         }
         return vmStates;
     }
 
-    protected HashMap<String, State> sync() {
-        HashMap<String, State> newStates;
-        HashMap<String, State> oldStates = null;
-
-        try {
-            final HashMap<String, State> changes = new HashMap<String, State>();
-            newStates = getAllVms();
-            if (newStates == null) {
-                s_logger.debug("Unable to get the vm states so no state sync at this point.");
-                return null;
-            }
-
-            synchronized (_vms) {
-                oldStates = new HashMap<String, State>(_vms.size());
-                oldStates.putAll(_vms);
-
-                for (final Map.Entry<String, State> entry : newStates
-                        .entrySet()) {
-                    final String vm = entry.getKey();
-
-                    State newState = entry.getValue();
-                    final State oldState = oldStates.remove(vm);
-
-                    if (s_logger.isTraceEnabled()) {
-                        s_logger.trace("VM " + vm + ": ovm has state " + newState + " and we have state " + (oldState != null ? oldState.toString() : "null"));
-                    }
-
-                    /*
-                     * TODO: what is migrating ??? if
-                     * (vm.startsWith("migrating")) {
-                     * s_logger.debug("Migrating from xen detected.  Skipping");
-                     * continue; }
-                     */
-
-                    if (oldState == null) {
-                        _vms.put(vm, newState);
-                        s_logger.debug("Detecting a new state but couldn't find a old state so adding it to the changes: "
-                                + vm);
-                        changes.put(vm, newState);
-                    } else if (oldState == State.Starting) {
-                        if (newState == State.Running) {
-                            _vms.put(vm, newState);
-                        } else if (newState == State.Stopped) {
-                            s_logger.debug("Ignoring vm " + vm
-                                    + " because of a lag in starting the vm.");
-                        }
-                    } else if (oldState == State.Migrating) {
-                        if (newState == State.Running) {
-                            s_logger.debug("Detected that an migrating VM is now running: "
-                                    + vm);
-                            _vms.put(vm, newState);
-                        }
-                    } else if (oldState == State.Stopping) {
-                        if (newState == State.Stopped) {
-                            _vms.put(vm, newState);
-                        } else if (newState == State.Running) {
-                            s_logger.debug("Ignoring vm " + vm
-                                    + " because of a lag in stopping the vm. ");
-                        }
-                    } else if (oldState != newState) {
-                        _vms.put(vm, newState);
-                        if (newState == State.Stopped) {
-                            //TODO: need anything here?
-                        }
-                        changes.put(vm, newState);
-                    }
-                }
-
-                for (final Map.Entry<String, State> entry : oldStates.entrySet()) {
-                    final String vm = entry.getKey();
-                    final State oldState = entry.getValue();
-
-                    if (s_logger.isTraceEnabled()) {
-                        s_logger.trace("VM " + vm + " is now missing from ovm server so reporting stopped");
-                    }
-
-                    if (oldState == State.Stopping) {
-                        s_logger.debug("Ignoring VM " + vm + " in transition state stopping.");
-                        _vms.remove(vm);
-                    } else if (oldState == State.Starting) {
-                        s_logger.debug("Ignoring VM " + vm + " in transition state starting.");
-                    } else if (oldState == State.Stopped) {
-                        _vms.remove(vm);
-                    } else if (oldState == State.Migrating) {
-                        s_logger.debug("Ignoring VM " + vm + " in migrating state.");
-                    } else {
-                        _vms.remove(vm);
-                        State state = State.Stopped;
-                        // TODO: need anything here???
-                        changes.put(entry.getKey(), state);
-                    }
-                }
-            }
-
-            return changes;
-        } catch (Exception e) {
-            s_logger.debug("Ovm full sync failed", e);
-            return null;
-        }
-    }
+	protected HashMap<String, PowerState> sync() {
+		try {
+			HashMap<String, PowerState>  newStates = getAllVms();
+			
+			if(newStates != null)
+				return newStates;
+		} catch(Exception e) {
+		}
+		return new HashMap<String, PowerState>();
+	}
 
     protected GetStorageStatsAnswer execute(final GetStorageStatsCommand cmd) {
         try {
@@ -1017,14 +928,14 @@ public class OvmResourceBase implements ServerResource, HypervisorResource {
         try {
             Map<String, String> res = OvmVm.register(_conn, vmName);
             Integer vncPort = Integer.parseInt(res.get("vncPort"));
-            HashMap<String, State> states = getAllVms();
-            State vmState = states.get(vmName);
+            HashMap<String, PowerState> states = getAllVms();
+            PowerState vmState = states.get(vmName);
             if (vmState == null) {
                 s_logger.warn("Check state of " + vmName + " return null in CheckVirtualMachineCommand");
-                vmState = State.Stopped;
+                vmState = PowerState.PowerOff;
             }
 
-            if (vmState == State.Running) {
+            if (vmState == PowerState.PowerOn) {
                 synchronized (_vms) {
                     _vms.put(vmName, State.Running);
                 }
@@ -1033,7 +944,7 @@ public class OvmResourceBase implements ServerResource, HypervisorResource {
             return new CheckVirtualMachineAnswer(cmd, vmState, vncPort);
         } catch (Exception e) {
             s_logger.debug("Check migration for " + vmName + " failed", e);
-            return new CheckVirtualMachineAnswer(cmd, State.Stopped, null);
+            return new CheckVirtualMachineAnswer(cmd, PowerState.PowerOff, null);
         }
     }
 

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/simulator/src/com/cloud/agent/manager/MockVmManagerImpl.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/simulator/src/com/cloud/agent/manager/MockVmManagerImpl.java b/plugins/hypervisors/simulator/src/com/cloud/agent/manager/MockVmManagerImpl.java
index 64df113..b05824d 100644
--- a/plugins/hypervisors/simulator/src/com/cloud/agent/manager/MockVmManagerImpl.java
+++ b/plugins/hypervisors/simulator/src/com/cloud/agent/manager/MockVmManagerImpl.java
@@ -74,6 +74,7 @@ import com.cloud.utils.Ternary;
 import com.cloud.utils.component.ManagerBase;
 import com.cloud.utils.db.Transaction;
 import com.cloud.utils.exception.CloudRuntimeException;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VirtualMachine.State;
 import org.apache.log4j.Logger;
 import org.springframework.stereotype.Component;
@@ -347,7 +348,7 @@ public class MockVmManagerImpl extends ManagerBase implements MockVmManager {
             }
 
             txn.commit();
-            return new CheckVirtualMachineAnswer(cmd, vm.getState(), vm.getVncPort());
+            return new CheckVirtualMachineAnswer(cmd, vm.getState() == State.Running ? PowerState.PowerOn : PowerState.PowerOff, vm.getVncPort());
         } catch (Exception ex) {
             txn.rollback();
             throw new CloudRuntimeException("unable to fetch vm state " + cmd.getVmName(), ex);

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/simulator/src/com/cloud/resource/AgentRoutingResource.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/simulator/src/com/cloud/resource/AgentRoutingResource.java b/plugins/hypervisors/simulator/src/com/cloud/resource/AgentRoutingResource.java
index 8a03c4b..46ed870 100644
--- a/plugins/hypervisors/simulator/src/com/cloud/resource/AgentRoutingResource.java
+++ b/plugins/hypervisors/simulator/src/com/cloud/resource/AgentRoutingResource.java
@@ -53,6 +53,7 @@ import com.cloud.simulator.MockVMVO;
 import com.cloud.storage.Storage.StorageResourceType;
 import com.cloud.storage.template.TemplateProp;
 import com.cloud.utils.Pair;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VirtualMachine.State;
 
 public class AgentRoutingResource extends AgentStorageResource {
@@ -112,17 +113,29 @@ public class AgentRoutingResource extends AgentStorageResource {
 			_vms.putAll(_simMgr.getVmStates(hostGuid));
 		}
         }
-        final HashMap<String, State> newStates = sync();
+        final HashMap<String, PowerState> newStates = sync();
         HashMap<String, Pair<Long, Long>> nwGrpStates = _simMgr.syncNetworkGroups(hostGuid);
         return new PingRoutingWithNwGroupsCommand(getType(), id, newStates, nwGrpStates);
     }
 
+    private HashMap<String, PowerState> getVmStates() {
+    	Map<String, State> rawStates = _simMgr.getVmStates(this.hostGuid);
+    	if(rawStates != null) {
+    		HashMap<String, PowerState> states = new HashMap<String, PowerState>();
+    		for(Map.Entry<String, State> entry : rawStates.entrySet()) {
+    			states.put(entry.getKey(), entry.getValue() == State.Running ? PowerState.PowerOn : PowerState.PowerOff);
+    		}
+    		return states;
+    	}
+    	return new HashMap<String, PowerState>();
+    }
+    
     @Override
     public StartupCommand[] initialize() {
         synchronized (_vms) {
             _vms.clear();
         }
-        Map<String, State> changes = _simMgr.getVmStates(this.hostGuid);
+        Map<String, PowerState> changes = getVmStates();
         Map<String, MockVMVO> vmsMaps = _simMgr.getVms(this.hostGuid);
         totalCpu = agentHost.getCpuCount() * agentHost.getCpuSpeed();
         totalMem = agentHost.getMemorySize();
@@ -251,8 +264,8 @@ public class AgentRoutingResource extends AgentStorageResource {
     protected CheckVirtualMachineAnswer execute(final CheckVirtualMachineCommand cmd) {
         final String vmName = cmd.getVmName();
         CheckVirtualMachineAnswer result = (CheckVirtualMachineAnswer)_simMgr.simulate(cmd, hostGuid);
-        State state = result.getState();
-        if (state == State.Running) {
+        PowerState state = result.getState();
+        if (state == PowerState.PowerOn) {
             synchronized (_vms) {
                 _vms.put(vmName, State.Running);
             }
@@ -275,72 +288,9 @@ public class AgentRoutingResource extends AgentStorageResource {
 
         return info;
     }
-
-    protected HashMap<String, State> sync() {
-        Map<String, State> newStates;
-        Map<String, State> oldStates = null;
-
-        HashMap<String, State> changes = new HashMap<String, State>();
-
-        synchronized (_vms) {
-            oldStates = new HashMap<String, State>(_vms.size());
-            oldStates.putAll(_vms);
-            newStates = new HashMap<String, State>(_vms.size());
-            newStates.putAll(_vms);
-
-            for (Map.Entry<String, State> entry : newStates.entrySet()) {
-                String vm = entry.getKey();
-
-                State newState = entry.getValue();
-                State oldState = oldStates.remove(vm);
-
-                if (s_logger.isTraceEnabled()) {
-                    s_logger.trace("VM " + vm + ": has state " + newState + " and we have state " + (oldState != null ? oldState.toString() : "null"));
-                }
-
-                if (oldState == null) {
-                    _vms.put(vm, newState);
-                    changes.put(vm, newState);
-                } else if (oldState == State.Starting) {
-                    if (newState == State.Running) {
-                        _vms.put(vm, newState);
-                    } else if (newState == State.Stopped) {
-                        s_logger.debug("Ignoring vm " + vm + " because of a lag in starting the vm.");
-                    }
-                } else if (oldState == State.Stopping) {
-                    if (newState == State.Stopped) {
-                        _vms.put(vm, newState);
-                    } else if (newState == State.Running) {
-                        s_logger.debug("Ignoring vm " + vm + " because of a lag in stopping the vm. ");
-                    }
-                } else if (oldState != newState) {
-                    _vms.put(vm, newState);
-                    changes.put(vm, newState);
-                }
-            }
-
-            for (Map.Entry<String, State> entry : oldStates.entrySet()) {
-                String vm = entry.getKey();
-                State oldState = entry.getValue();
-
-                if (s_logger.isTraceEnabled()) {
-                    s_logger.trace("VM " + vm + " is now missing from simulator agent so reporting stopped");
-                }
-
-                if (oldState == State.Stopping) {
-                    s_logger.debug("Ignoring VM " + vm + " in transition state stopping.");
-                    _vms.remove(vm);
-                } else if (oldState == State.Starting) {
-                    s_logger.debug("Ignoring VM " + vm + " in transition state starting.");
-                } else if (oldState == State.Stopped) {
-                    _vms.remove(vm);
-                } else {
-                    changes.put(entry.getKey(), State.Stopped);
-                }
-            }
-        }
-
-        return changes;
+    
+    protected HashMap<String, PowerState> sync() {
+    	return this.getVmStates();
     }
 
     private Answer execute(ShutdownCommand cmd) {

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java b/plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
index a35a966..cc7aadf0f 100755
--- a/plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
+++ b/plugins/hypervisors/vmware/src/com/cloud/hypervisor/vmware/resource/VmwareResource.java
@@ -329,6 +329,7 @@ import com.cloud.utils.net.NetUtils;
 import com.cloud.utils.ssh.SshHelper;
 import com.cloud.vm.DiskProfile;
 import com.cloud.vm.VirtualMachine;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VirtualMachine.State;
 import com.cloud.vm.VirtualMachineName;
 import com.cloud.vm.VmDetailConstants;
@@ -386,12 +387,12 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
 
     protected StorageSubsystemCommandHandler storageHandler;
 
-    protected static HashMap<VirtualMachinePowerState, State> s_statesTable;
+    protected static HashMap<VirtualMachinePowerState, PowerState> s_statesTable;
     static {
-        s_statesTable = new HashMap<VirtualMachinePowerState, State>();
-        s_statesTable.put(VirtualMachinePowerState.POWERED_ON, State.Running);
-        s_statesTable.put(VirtualMachinePowerState.POWERED_OFF, State.Stopped);
-        s_statesTable.put(VirtualMachinePowerState.SUSPENDED, State.Stopped);
+        s_statesTable = new HashMap<VirtualMachinePowerState, PowerState>();
+        s_statesTable.put(VirtualMachinePowerState.POWERED_ON, PowerState.PowerOn);
+        s_statesTable.put(VirtualMachinePowerState.POWERED_OFF, PowerState.PowerOff);
+        s_statesTable.put(VirtualMachinePowerState.SUSPENDED, PowerState.PowerOn);
     }
 
     public Gson getGson() {
@@ -2552,7 +2553,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
             long requestedMaxMemoryInMb = vmSpec.getMaxRam() / (1024 * 1024);
 
             // Check if VM is really running on hypervisor host
-            if (getVmState(vmMo) != State.Running) {
+            if (getVmState(vmMo) != PowerState.PowerOn) {
                 throw new CloudRuntimeException("Found that the VM " + vmMo.getVmName() + " is not running. Unable to scale-up this VM");
             }
 
@@ -2632,7 +2633,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
             boolean hasSnapshot = false;
             if (vmMo != null) {
                 s_logger.info("VM " + vmInternalCSName + " already exists, tear down devices for reconfiguration");
-                if (getVmState(vmMo) != State.Stopped)
+                if (getVmState(vmMo) != PowerState.PowerOff)
                     vmMo.safePowerOff(_shutdown_waitMs);
              
                 // retrieve disk information before we tear down
@@ -2655,7 +2656,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
 
                     takeVmFromOtherHyperHost(hyperHost, vmInternalCSName);
 
-                    if (getVmState(vmMo) != State.Stopped)
+                    if (getVmState(vmMo) != PowerState.PowerOff)
                         vmMo.safePowerOff(_shutdown_waitMs);
                     
                     diskInfoBuilder = vmMo.getDiskInfoBuilder();
@@ -3773,7 +3774,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
         HashMap<String, VmStatsEntry> vmStatsMap = null;
 
         try {
-            HashMap<String, State> newStates = getVmStates();
+            HashMap<String, PowerState> newStates = getVmStates();
 
             // getVmNames should return all i-x-y values.
             List<String> requestedVmNames = cmd.getVmNames();
@@ -3854,7 +3855,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
                 try {
                     vmMo.setCustomFieldValue(CustomFieldConstants.CLOUD_NIC_MASK, "0");
 
-                    if (getVmState(vmMo) != State.Stopped) {
+                    if (getVmState(vmMo) != PowerState.PowerOff) {
                         if (vmMo.safePowerOff(_shutdown_waitMs)) {
                             state = State.Stopped;
                             return new StopAnswer(cmd, "Stop VM " + cmd.getVmName() + " Succeed", 0, true);
@@ -3965,7 +3966,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
         }
 
         final String vmName = cmd.getVmName();
-        State state = State.Unknown;
+        PowerState state = PowerState.PowerUnknown;
         Integer vncPort = null;
 
         VmwareContext context = getServiceContext();
@@ -3975,7 +3976,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
             VirtualMachineMO vmMo = hyperHost.findVmOnHyperHost(vmName);
             if (vmMo != null) {
                 state = getVmState(vmMo);
-                if (state == State.Running) {
+                if (state == PowerState.PowerOn) {
                     synchronized (_vms) {
                         _vms.put(vmName, State.Running);
                     }
@@ -5428,7 +5429,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
                         List<NetworkDetails> networks = vmMo.getNetworksWithDetails();
 
                         // tear down all devices first before we destroy the VM to avoid accidently delete disk backing files
-                        if (getVmState(vmMo) != State.Stopped)
+                        if (getVmState(vmMo) != PowerState.PowerOff)
                             vmMo.safePowerOff(_shutdown_waitMs);
                         vmMo.tearDownDevices(new Class<?>[] { /* VirtualDisk.class, */ VirtualEthernetCard.class });
                         vmMo.destroy();
@@ -5754,7 +5755,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
     @Override
     public PingCommand getCurrentStatus(long id) {
     	try {
-	        HashMap<String, State> newStates = sync();
+	        HashMap<String, PowerState> newStates = sync();
 	        if (newStates == null) {
 	            return null;
 	        }
@@ -5868,7 +5869,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
 	        StartupRoutingCommand cmd = new StartupRoutingCommand();
 	        fillHostInfo(cmd);
 	
-	        Map<String, State> changes = null;
+	        Map<String, PowerState> changes = null;
 	        synchronized (_vms) {
 	            _vms.clear();
 	            changes = sync();
@@ -6029,112 +6030,13 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
             details.put("NativeHA", "true");
         }
     }
-
-    protected HashMap<String, State> sync() {
-        HashMap<String, State> changes = new HashMap<String, State>();
-        HashMap<String, State> oldStates = null;
-
-        try {
-            synchronized (_vms) {
-                HashMap<String, State> newStates = getVmStates();
-                oldStates = new HashMap<String, State>(_vms.size());
-                oldStates.putAll(_vms);
-
-                for (final Map.Entry<String, State> entry : newStates.entrySet()) {
-                    final String vm = entry.getKey();
-
-                    State newState = entry.getValue();
-                    final State oldState = oldStates.remove(vm);
-
-                    if (s_logger.isTraceEnabled()) {
-                        s_logger.trace("VM " + vm + ": vSphere has state " + newState + " and we have state " + (oldState != null ? oldState.toString() : "null"));
-                    }
-
-                    if (vm.startsWith("migrating")) {
-                        s_logger.debug("Migrating detected.  Skipping");
-                        continue;
-                    }
-
-                    if (oldState == null) {
-                        _vms.put(vm, newState);
-                        s_logger.debug("Detecting a new state but couldn't find a old state so adding it to the changes: " + vm);
-                        changes.put(vm, newState);
-                    } else if (oldState == State.Starting) {
-                        if (newState == State.Running) {
-                            _vms.put(vm, newState);
-                        } else if (newState == State.Stopped) {
-                            s_logger.debug("Ignoring vm " + vm + " because of a lag in starting the vm.");
-                        }
-                    } else if (oldState == State.Migrating) {
-                        if (newState == State.Running) {
-                            s_logger.debug("Detected that an migrating VM is now running: " + vm);
-                            _vms.put(vm, newState);
-                        }
-                    } else if (oldState == State.Stopping) {
-                        if (newState == State.Stopped) {
-                            _vms.put(vm, newState);
-                        } else if (newState == State.Running) {
-                            s_logger.debug("Ignoring vm " + vm + " because of a lag in stopping the vm. ");
-                        }
-                    } else if (oldState != newState) {
-                        _vms.put(vm, newState);
-                        if (newState == State.Stopped) {
-                            /*
-                             * if (_vmsKilled.remove(vm)) { s_logger.debug("VM " + vm + " has been killed for storage. ");
-                             * newState = State.Error; }
-                             */
-                        }
-                        changes.put(vm, newState);
-                    }
-                }
-
-                for (final Map.Entry<String, State> entry : oldStates.entrySet()) {
-                    final String vm = entry.getKey();
-                    final State oldState = entry.getValue();
-
-                    if (isVmInCluster(vm)) {
-                        if (s_logger.isDebugEnabled()) {
-                            s_logger.debug("VM " + vm + " is now missing from host report but we detected that it might be migrated to other host by vCenter");
-                        }
-
-                        if(oldState != State.Starting && oldState != State.Migrating) {
-                            s_logger.debug("VM " + vm + " is now missing from host report and VM is not at starting/migrating state, remove it from host VM-sync map, oldState: " + oldState);
-                            _vms.remove(vm);
-                        } else {
-                            s_logger.debug("VM " + vm + " is missing from host report, but we will ignore VM " + vm + " in transition state " + oldState);
-                        }
-                        continue;
-                    }
-
-                    if (s_logger.isDebugEnabled()) {
-                        s_logger.debug("VM " + vm + " is now missing from host report");
-                    }
-
-                    if (oldState == State.Stopping) {
-                        s_logger.debug("Ignoring VM " + vm + " in transition state stopping.");
-                        _vms.remove(vm);
-                    } else if (oldState == State.Starting) {
-                        s_logger.debug("Ignoring VM " + vm + " in transition state starting.");
-                    } else if (oldState == State.Stopped) {
-                        _vms.remove(vm);
-                    } else if (oldState == State.Migrating) {
-                        s_logger.debug("Ignoring VM " + vm + " in migrating state.");
-                    } else {
-                        State state = State.Stopped;
-                        changes.put(entry.getKey(), state);
-                    }
-                }
-            }
-        } catch (Throwable e) {
-            if (e instanceof RemoteException) {
-                s_logger.warn("Encounter remote exception to vCenter, invalidate VMware session context");
-                invalidateServiceContext();
-            }
-
-            s_logger.error("Unable to perform sync information collection process at this point due to " + VmwareHelper.getExceptionMessage(e), e);
-            return null;
-        }
-        return changes;
+    
+    protected HashMap<String, PowerState> sync() {
+    	try {
+    		return getVmStates();
+    	} catch(Exception e) {
+    		return new HashMap<String, PowerState>();
+    	}
     }
 
     private boolean isVmInCluster(String vmName) throws Exception {
@@ -6234,7 +6136,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
         return VirtualMachineGuestOsIdentifier.OTHER_GUEST;
     }
 
-    private HashMap<String, State> getVmStates() throws Exception {
+    private HashMap<String, PowerState> getVmStates() throws Exception {
         VmwareHypervisorHost hyperHost = getHyperHost(getServiceContext());
         
 		int key = ((HostMO)hyperHost).getCustomFieldKey("VirtualMachine", CustomFieldConstants.CLOUD_VM_INTERNAL_NAME);
@@ -6247,7 +6149,7 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
         // the internal CS name, but the custom field CLOUD_VM_INTERNAL_NAME always stores the internal CS name.
         ObjectContent[] ocs = hyperHost.getVmPropertiesOnHyperHost(new String[] { "name", "runtime.powerState", "config.template", instanceNameCustomField });
 
-        HashMap<String, State> newStates = new HashMap<String, State>();
+        HashMap<String, PowerState> newStates = new HashMap<String, PowerState>();
         if (ocs != null && ocs.length > 0) {
             for (ObjectContent oc : ocs) {
                 List<DynamicProperty> objProps = oc.getPropSet();
@@ -6511,11 +6413,11 @@ public class VmwareResource implements StoragePoolResource, ServerResource, Vmwa
         return connect(vmname, ipAddress, 3922);
     }
 
-    private static State convertState(VirtualMachinePowerState powerState) {
+    private static PowerState convertState(VirtualMachinePowerState powerState) {
         return s_statesTable.get(powerState);
     }
 
-    public static State getVmState(VirtualMachineMO vmMo) throws Exception {
+    public static PowerState getVmState(VirtualMachineMO vmMo) throws Exception {
         VirtualMachineRuntimeInfo runtimeInfo = vmMo.getRuntimeInfo();
         return convertState(runtimeInfo.getPowerState());
     }

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/vmware/src/com/cloud/storage/resource/VmwareStorageProcessor.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/vmware/src/com/cloud/storage/resource/VmwareStorageProcessor.java b/plugins/hypervisors/vmware/src/com/cloud/storage/resource/VmwareStorageProcessor.java
index 34bfe18..f1483a0 100644
--- a/plugins/hypervisors/vmware/src/com/cloud/storage/resource/VmwareStorageProcessor.java
+++ b/plugins/hypervisors/vmware/src/com/cloud/storage/resource/VmwareStorageProcessor.java
@@ -75,6 +75,7 @@ import com.cloud.storage.template.VmdkProcessor;
 import com.cloud.utils.Pair;
 import com.cloud.utils.Ternary;
 import com.cloud.utils.script.Script;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VirtualMachine.State;
 import com.google.gson.Gson;
 import com.vmware.vim25.ManagedObjectReference;
@@ -1491,7 +1492,7 @@ public class VmwareStorageProcessor implements StorageProcessor {
                         List<NetworkDetails> networks = vmMo.getNetworksWithDetails();
 
                         // tear down all devices first before we destroy the VM to avoid accidently delete disk backing files
-                        if (this.resource.getVmState(vmMo) != State.Stopped) {
+                        if (this.resource.getVmState(vmMo) != PowerState.PowerOff) {
                             vmMo.safePowerOff(_shutdown_waitMs);
                         }
 

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java b/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
index 92fbab2..80b4b7d 100644
--- a/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
+++ b/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/CitrixResourceBase.java
@@ -214,6 +214,7 @@ import com.cloud.utils.exception.CloudRuntimeException;
 import com.cloud.utils.net.NetUtils;
 import com.cloud.vm.DiskProfile;
 import com.cloud.vm.VirtualMachine;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VirtualMachine.State;
 import com.cloud.vm.snapshot.VMSnapshot;
 import com.google.gson.Gson;
@@ -372,14 +373,14 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
         }
     }
 
-    protected static HashMap<Types.VmPowerState, State> s_statesTable;
+    protected static HashMap<Types.VmPowerState, PowerState> s_statesTable;
     static {
-        s_statesTable = new HashMap<Types.VmPowerState, State>();
-        s_statesTable.put(Types.VmPowerState.HALTED, State.Stopped);
-        s_statesTable.put(Types.VmPowerState.PAUSED, State.Running);
-        s_statesTable.put(Types.VmPowerState.RUNNING, State.Running);
-        s_statesTable.put(Types.VmPowerState.SUSPENDED, State.Running);
-        s_statesTable.put(Types.VmPowerState.UNRECOGNIZED, State.Unknown);
+        s_statesTable = new HashMap<Types.VmPowerState, PowerState>();
+        s_statesTable.put(Types.VmPowerState.HALTED, PowerState.PowerOff);
+        s_statesTable.put(Types.VmPowerState.PAUSED, PowerState.PowerOn);
+        s_statesTable.put(Types.VmPowerState.RUNNING, PowerState.PowerOn);
+        s_statesTable.put(Types.VmPowerState.SUSPENDED, PowerState.PowerOn);
+        s_statesTable.put(Types.VmPowerState.UNRECOGNIZED, PowerState.PowerUnknown);
     }
 
     public XsHost getHost() {
@@ -2861,13 +2862,13 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
                 .valueOf(_pollingIntervalInSeconds), "startTime", startTime);
     }
 
-    protected State convertToState(Types.VmPowerState ps) {
-        final State state = s_statesTable.get(ps);
-        return state == null ? State.Unknown : state;
+    protected PowerState convertToState(Types.VmPowerState ps) {
+        final PowerState state = s_statesTable.get(ps);
+        return state == null ? PowerState.PowerUnknown : state;
     }
 
-    protected HashMap<String, Pair<String, State>> getAllVms(Connection conn) {
-        final HashMap<String, Pair<String, State>> vmStates = new HashMap<String, Pair<String, State>>();
+    protected HashMap<String, Pair<String, PowerState>> getAllVms(Connection conn) {
+        final HashMap<String, Pair<String, PowerState>> vmStates = new HashMap<String, Pair<String, PowerState>>();
         Map<VM, VM.Record>  vm_map = null;
         for (int i = 0; i < 2; i++) {
             try {
@@ -2892,7 +2893,7 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
             }
 
             VmPowerState ps = record.powerState;
-            final State state = convertToState(ps);
+            final PowerState state = convertToState(ps);
             if (s_logger.isTraceEnabled()) {
                 s_logger.trace("VM " + record.nameLabel + ": powerstate = " + ps + "; vm state=" + state.toString());
             }
@@ -2908,14 +2909,14 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
                 } catch (XmlRpcException e) {
                     s_logger.error("Failed to get host uuid for host " + host.toWireString(), e);
                 }
-                vmStates.put(record.nameLabel, new Pair<String, State>(host_uuid, state));
+                vmStates.put(record.nameLabel, new Pair<String, PowerState>(host_uuid, state));
             }
         }
 
         return vmStates;
     }
 
-    protected State getVmState(Connection conn, final String vmName) {
+    protected PowerState getVmState(Connection conn, final String vmName) {
         int retry = 3;
         while (retry-- > 0) {
             try {
@@ -2952,15 +2953,15 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
             }
         }
 
-        return State.Stopped;
+        return PowerState.PowerOff;
     }
 
     protected CheckVirtualMachineAnswer execute(final CheckVirtualMachineCommand cmd) {
         Connection conn = getConnection();
         final String vmName = cmd.getVmName();
-        final State state = getVmState(conn, vmName);
+        final PowerState state = getVmState(conn, vmName);
         Integer vncPort = null;
-        if (state == State.Running) {
+        if (state == PowerState.PowerOn) {
             synchronized (_cluster.intern()) {
                 s_vms.put(_cluster, _name, vmName, State.Running);
             }
@@ -3280,7 +3281,7 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
 
     }
 
-    protected State getRealPowerState(Connection conn, String label) {
+    protected PowerState getRealPowerState(Connection conn, String label) {
         int i = 0;
         s_logger.trace("Checking on the HALTED State");
         for (; i < 20; i++) {
@@ -3309,7 +3310,7 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
             } catch (InterruptedException e) {
             }
         }
-        return State.Stopped;
+        return PowerState.PowerOff;
     }
 
     protected Pair<VM, VM.Record> getControlDomain(Connection conn) throws XenAPIException, XmlRpcException {
@@ -4877,7 +4878,7 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
 
             Host.Record hostr = poolr.master.getRecord(conn);
             if (_host.uuid.equals(hostr.uuid)) {
-                HashMap<String, Pair<String, State>> allStates=fullClusterSync(conn);
+                HashMap<String, Pair<String, PowerState>> allStates=fullClusterSync(conn);
                 cmd.setClusterVMStateChanges(allStates);
             }
         } catch (Throwable e) {
@@ -8004,12 +8005,14 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
             s_logger.warn("Check for master failed, failing the Cluster sync command");
             return  new Answer(cmd);
         }
-        HashMap<String, Pair<String, State>> newStates = deltaClusterSync(conn);
+        
+        HashMap<String, Pair<String, State>> newStates = new HashMap<String, Pair<String, State>>();
+        // HashMap<String, Pair<String, State>> newStates = deltaClusterSync(conn);
         return new ClusterSyncAnswer(cmd.getClusterId(), newStates);
     }
 
 
-    protected HashMap<String, Pair<String, State>> fullClusterSync(Connection conn) {
+    protected HashMap<String, Pair<String, PowerState>> fullClusterSync(Connection conn) {
         synchronized (_cluster.intern()) {
             s_vms.clear(_cluster);
         }
@@ -8021,13 +8024,13 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
                 }
                 String vm_name = record.nameLabel;
                 VmPowerState ps = record.powerState;
-                final State state = convertToState(ps);
+                final PowerState state = convertToState(ps);
                 Host host = record.residentOn;
                 String host_uuid = null;
                 if( ! isRefNull(host) ) {
                     host_uuid = host.getUuid(conn);
                     synchronized (_cluster.intern()) {
-                        s_vms.put(_cluster, host_uuid, vm_name, state);
+                        s_vms.put(_cluster, host_uuid, vm_name, state == PowerState.PowerOn ? State.Running : State.Stopped);
                     }
                 }
                 if (s_logger.isTraceEnabled()) {
@@ -8039,117 +8042,19 @@ public abstract class CitrixResourceBase implements ServerResource, HypervisorRe
             s_logger.warn(msg, e);
             throw new CloudRuntimeException(msg);
         }
-        return s_vms.getClusterVmState(_cluster);
-    }
-
-
-    protected HashMap<String, Pair<String, State>> deltaClusterSync(Connection conn) {
-        final HashMap<String, Pair<String, State>> changes = new HashMap<String, Pair<String, State>>();
-
-
-        synchronized (_cluster.intern()) {
-            HashMap<String, Pair<String, State>> newStates = getAllVms(conn);
-            if (newStates == null) {
-                s_logger.warn("Unable to get the vm states so no state sync at this point.");
-                return null;
-            }
-            HashMap<String, Pair<String, State>>  oldStates = new HashMap<String, Pair<String, State>>(s_vms.size(_cluster));
-            oldStates.putAll(s_vms.getClusterVmState(_cluster));
-
-            for (final Map.Entry<String, Pair<String, State>> entry : newStates.entrySet()) {
-                final String vm = entry.getKey();
-
-                State newState = entry.getValue().second();
-                String host_uuid = entry.getValue().first();
-                final Pair<String, State> oldState = oldStates.remove(vm);
-
-                //check if host is changed
-                if (host_uuid != null && oldState != null){
-                    if (!host_uuid.equals(oldState.first()) && newState != State.Stopped && newState != State.Stopping){
-                        s_logger.warn("Detecting a change in host for " + vm);
-                        changes.put(vm, new Pair<String, State>(host_uuid, newState));
-
-                        s_logger.debug("11. The VM " + vm + " is in " + newState + " state");
-                        s_vms.put(_cluster, host_uuid, vm, newState);
-                        continue;
-                    }
-                }
-
-                if (newState == State.Stopped  && oldState != null && oldState.second() != State.Stopping && oldState.second() != State.Stopped) {
-                    newState = getRealPowerState(conn, vm);
-                }
-
-                if (s_logger.isTraceEnabled()) {
-                    s_logger.trace("VM " + vm + ": xen has state " + newState + " and we have state " + (oldState != null ? oldState.toString() : "null"));
-                }
-
-                if (vm.startsWith("migrating")) {
-                    s_logger.warn("Migrating from xen detected.  Skipping");
-                    continue;
-                }
-                if (oldState == null) {
-                    s_vms.put(_cluster, host_uuid, vm, newState);
-                    s_logger.warn("Detecting a new state but couldn't find a old state so adding it to the changes: " + vm);
-                    changes.put(vm, new Pair<String, State>(host_uuid, newState));
-                } else if (oldState.second() == State.Starting) {
-                    if (newState == State.Running) {
-                        s_logger.debug("12. The VM " + vm + " is in " + State.Running + " state");
-                        s_vms.put(_cluster, host_uuid, vm, newState);
-                    } else if (newState == State.Stopped) {
-                        s_logger.warn("Ignoring vm " + vm + " because of a lag in starting the vm.");
-                    }
-                } else if (oldState.second() == State.Migrating) {
-                    if (newState == State.Running) {
-                        s_logger.debug("Detected that an migrating VM is now running: " + vm);
-                        s_vms.put(_cluster, host_uuid, vm, newState);
-                    }
-                } else if (oldState.second() == State.Stopping) {
-                    if (newState == State.Stopped) {
-                        s_logger.debug("13. The VM " + vm + " is in " + State.Stopped + " state");
-                        s_vms.put(_cluster, host_uuid, vm, newState);
-                    } else if (newState == State.Running) {
-                        s_logger.warn("Ignoring vm " + vm + " because of a lag in stopping the vm. ");
-                    }
-                } else if (oldState.second() != newState) {
-                    s_logger.debug("14. The VM " + vm + " is in " + newState + " state was " + oldState.second());
-                    s_vms.put(_cluster, host_uuid, vm, newState);
-                    if (newState == State.Stopped) {
-                        /*
-                         * if (s_vmsKilled.remove(vm)) { s_logger.debug("VM " + vm + " has been killed for storage. ");
-                         * newState = State.Error; }
-                         */
-                    }
-                    changes.put(vm, new Pair<String, State>(host_uuid, newState));
-                }
-            }
-
-            for (final Map.Entry<String, Pair<String, State>> entry : oldStates.entrySet()) {
-                final String vm = entry.getKey();
-                final State oldState = entry.getValue().second();
-                String host_uuid = entry.getValue().first();
-
-                if (s_logger.isTraceEnabled()) {
-                    s_logger.trace("VM " + vm + " is now missing from xen so reporting stopped");
-                }
-
-                if (oldState == State.Stopping) {
-                    s_logger.warn("Ignoring VM " + vm + " in transition state stopping.");
-                    s_vms.remove(_cluster, host_uuid, vm);
-                } else if (oldState == State.Starting) {
-                    s_logger.warn("Ignoring VM " + vm + " in transition state starting.");
-                } else if (oldState == State.Stopped) {
-                    s_logger.debug("VM missing " + vm + " old state stopped so removing.");
-                    s_vms.remove(_cluster, host_uuid, vm);
-                } else if (oldState == State.Migrating) {
-                    s_logger.warn("Ignoring VM " + vm + " in migrating state.");
-                } else {
-                    State newState = State.Stopped;
-                    s_logger.warn("The VM is now missing marking it as Stopped " + vm);
-                    changes.put(vm, new Pair<String, State>(host_uuid, newState));
-                }
-            }
-        }
-        return changes;
+        
+        HashMap<String, Pair<String, PowerState>> states = new HashMap<String, Pair<String, PowerState>> ();
+        
+        HashMap<String, Pair<String, State>> rawStates = s_vms.getClusterVmState(_cluster);
+        if(rawStates != null) {
+        	for(Map.Entry<String, Pair<String, State>> entry : rawStates.entrySet()) {
+        		states.put(entry.getKey(), new Pair<String, PowerState>(
+        			entry.getValue().first(), 
+        			entry.getValue().second() == State.Running ? PowerState.PowerOn : PowerState.PowerOff));
+        	}
+        }
+        
+        return states;
     }
 
     /**

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/XenServerPoolVms.java
----------------------------------------------------------------------
diff --git a/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/XenServerPoolVms.java b/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/XenServerPoolVms.java
index 33f2bf9..095844d 100644
--- a/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/XenServerPoolVms.java
+++ b/plugins/hypervisors/xen/src/com/cloud/hypervisor/xen/resource/XenServerPoolVms.java
@@ -23,7 +23,6 @@ import java.util.concurrent.ConcurrentHashMap;
 import com.cloud.utils.Pair;
 import com.cloud.vm.VirtualMachine.State;
 
- 
 public class XenServerPoolVms {
     private static final Logger s_logger = Logger.getLogger(XenServerPoolVms.class);
     private final Map<String/* clusterId */, HashMap<String/* vm name */, Pair<String/* host uuid */, State/* vm state */>>> _cluster_vms =
@@ -83,4 +82,3 @@ public class XenServerPoolVms {
     }
     
 }
-

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/server/src/com/cloud/ha/CheckOnAgentInvestigator.java
----------------------------------------------------------------------
diff --git a/server/src/com/cloud/ha/CheckOnAgentInvestigator.java b/server/src/com/cloud/ha/CheckOnAgentInvestigator.java
index 0df324c..afb2882 100644
--- a/server/src/com/cloud/ha/CheckOnAgentInvestigator.java
+++ b/server/src/com/cloud/ha/CheckOnAgentInvestigator.java
@@ -30,6 +30,7 @@ import com.cloud.host.Host;
 import com.cloud.host.Status;
 import com.cloud.utils.component.AdapterBase;
 import com.cloud.vm.VirtualMachine;
+import com.cloud.vm.VirtualMachine.PowerState;
 import com.cloud.vm.VirtualMachine.State;
 
 @Local(value=Investigator.class)
@@ -57,7 +58,7 @@ public class CheckOnAgentInvestigator extends AdapterBase implements Investigato
 			}
 
 			s_logger.debug("Agent responded with state " + answer.getState().toString());
-			return answer.getState() == State.Running;
+			return answer.getState() == PowerState.PowerOn;
 		} catch (AgentUnavailableException e) {
 			s_logger.debug("Unable to reach the agent for " + vm.toString() + ": " + e.getMessage());
 			return null;

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/server/src/com/cloud/hypervisor/kvm/discoverer/KvmDummyResourceBase.java
----------------------------------------------------------------------
diff --git a/server/src/com/cloud/hypervisor/kvm/discoverer/KvmDummyResourceBase.java b/server/src/com/cloud/hypervisor/kvm/discoverer/KvmDummyResourceBase.java
index 240ea6c..e930f6b 100644
--- a/server/src/com/cloud/hypervisor/kvm/discoverer/KvmDummyResourceBase.java
+++ b/server/src/com/cloud/hypervisor/kvm/discoverer/KvmDummyResourceBase.java
@@ -23,10 +23,10 @@ import javax.naming.ConfigurationException;
 
 import com.cloud.agent.api.Answer;
 import com.cloud.agent.api.Command;
+import com.cloud.agent.api.HostVmStateReportEntry;
 import com.cloud.agent.api.PingCommand;
 import com.cloud.agent.api.StartupCommand;
 import com.cloud.agent.api.StartupRoutingCommand;
-import com.cloud.agent.api.StartupRoutingCommand.VmState;
 import com.cloud.host.Host.Type;
 import com.cloud.hypervisor.Hypervisor;
 import com.cloud.resource.ServerResource;
@@ -46,7 +46,7 @@ public class KvmDummyResourceBase extends ServerResourceBase implements ServerRe
 
 	@Override
 	public StartupCommand[] initialize() {
-		StartupRoutingCommand cmd = new StartupRoutingCommand(0, 0, 0, 0, null, Hypervisor.HypervisorType.KVM, new HashMap<String, String>(), new HashMap<String, VmState>());
+		StartupRoutingCommand cmd = new StartupRoutingCommand(0, 0, 0, 0, null, Hypervisor.HypervisorType.KVM, new HashMap<String, String>(), new HashMap<String, HostVmStateReportEntry>());
 		cmd.setDataCenter(_zoneId);
 		cmd.setPod(_podId);
 		cmd.setCluster(_clusterId);

http://git-wip-us.apache.org/repos/asf/cloudstack/blob/534345e8/server/src/com/cloud/resource/DummyHostServerResource.java
----------------------------------------------------------------------
diff --git a/server/src/com/cloud/resource/DummyHostServerResource.java b/server/src/com/cloud/resource/DummyHostServerResource.java
index 977dbbf..49b2ccf 100644
--- a/server/src/com/cloud/resource/DummyHostServerResource.java
+++ b/server/src/com/cloud/resource/DummyHostServerResource.java
@@ -31,6 +31,7 @@ import com.cloud.host.Host.Type;
 import com.cloud.hypervisor.Hypervisor.HypervisorType;
 import com.cloud.utils.net.MacAddress;
 import com.cloud.vm.VirtualMachine;
+import com.cloud.vm.VirtualMachine.PowerState;
 
 public class DummyHostServerResource extends ServerResourceBase {
 
@@ -56,7 +57,7 @@ public class DummyHostServerResource extends ServerResourceBase {
 
 	@Override
 	public PingCommand getCurrentStatus(long id) {
-        HashMap<String, VirtualMachine.State> newStates = new HashMap<String, VirtualMachine.State>();
+        HashMap<String, PowerState> newStates = new HashMap<String, PowerState>();
         return new PingRoutingCommand(com.cloud.host.Host.Type.Routing, id, newStates);
 	}