Fixed issues with execute in sequence

api/src/com/cloud/server/ManagementService.java

@@ -20,8 +20,6 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 
-import com.cloud.exception.*;
-
 import org.apache.cloudstack.api.ServerApiException;
 import org.apache.cloudstack.api.command.admin.cluster.ListClustersCmd;
 import org.apache.cloudstack.api.command.admin.config.ListCfgsByCmd;
@@ -34,7 +32,12 @@ import org.apache.cloudstack.api.command.admin.resource.DeleteAlertsCmd;
 import org.apache.cloudstack.api.command.admin.resource.ListAlertsCmd;
 import org.apache.cloudstack.api.command.admin.resource.ListCapacityCmd;
 import org.apache.cloudstack.api.command.admin.resource.UploadCustomCertificateCmd;
-import org.apache.cloudstack.api.command.admin.systemvm.*;
+import org.apache.cloudstack.api.command.admin.systemvm.DestroySystemVmCmd;
+import org.apache.cloudstack.api.command.admin.systemvm.ListSystemVMsCmd;
+import org.apache.cloudstack.api.command.admin.systemvm.RebootSystemVmCmd;
+import org.apache.cloudstack.api.command.admin.systemvm.ScaleSystemVMCmd;
+import org.apache.cloudstack.api.command.admin.systemvm.StopSystemVmCmd;
+import org.apache.cloudstack.api.command.admin.systemvm.UpgradeSystemVMCmd;
 import org.apache.cloudstack.api.command.admin.vlan.ListVlanIpRangesCmd;
 import org.apache.cloudstack.api.command.user.address.ListPublicIpAddressesCmd;
 import org.apache.cloudstack.api.command.user.config.ListCapabilitiesCmd;
@@ -55,6 +58,10 @@ import com.cloud.capacity.Capacity;
 import com.cloud.dc.Pod;
 import com.cloud.dc.Vlan;
 import com.cloud.domain.Domain;
+import com.cloud.exception.ConcurrentOperationException;
+import com.cloud.exception.ManagementServerException;
+import com.cloud.exception.ResourceUnavailableException;
+import com.cloud.exception.VirtualMachineMigrationException;
 import com.cloud.host.Host;
 import com.cloud.hypervisor.Hypervisor.HypervisorType;
 import com.cloud.hypervisor.HypervisorCapabilities;
@@ -365,7 +372,5 @@ public interface ManagementService {
 
     VirtualMachine upgradeSystemVM(ScaleSystemVMCmd cmd) throws ResourceUnavailableException, ManagementServerException, VirtualMachineMigrationException, ConcurrentOperationException;
 
-    boolean getExecuteInSequence();
-
     void cleanupVMReservations();
 }

engine/api/src/com/cloud/vm/VirtualMachineManager.java

@@ -20,6 +20,8 @@ import java.net.URI;
 import java.util.LinkedHashMap;
 import java.util.Map;
 
+import org.apache.cloudstack.framework.config.ConfigKey;
+
 import com.cloud.agent.api.to.NicTO;
 import com.cloud.agent.api.to.VirtualMachineTO;
 import com.cloud.deploy.DeployDestination;
@@ -46,11 +48,14 @@ import com.cloud.utils.fsm.NoTransitionException;
  * Manages allocating resources to vms.
  */
 public interface VirtualMachineManager extends Manager {
-	 
+    static final ConfigKey<Boolean> ExecuteInSequence = new ConfigKey<Boolean>("Advanced", Boolean.class, "execute.in.sequence.hypervisor.commands", "false",
-	public interface Topics {
+        "If set to true, StartCommand, StopCommand, CopyCommand will be synchronized on the agent side."
+                + " If set to false, these commands become asynchronous. Default value is false.", true);
+
+    public interface Topics {
         public static final String VM_POWER_STATE = "vm.powerstate";
-	}
+    }
-	 
+
     /**
      * Allocates a new virtual machine instance in the CloudStack DB.  This
      * orchestrates the creation of all virtual resources needed in CloudStack

engine/orchestration/src/com/cloud/vm/VirtualMachineManagerImpl.java

@@ -35,6 +35,8 @@ import javax.ejb.Local;
 import javax.inject.Inject;
 import javax.naming.ConfigurationException;
 
+import org.apache.log4j.Logger;
+
 import org.apache.cloudstack.affinity.dao.AffinityGroupVMMapDao;
 import org.apache.cloudstack.context.CallContext;
 import org.apache.cloudstack.engine.orchestration.service.NetworkOrchestrationService;
@@ -50,7 +52,6 @@ import org.apache.cloudstack.storage.datastore.db.PrimaryDataStoreDao;
 import org.apache.cloudstack.storage.datastore.db.StoragePoolVO;
 import org.apache.cloudstack.storage.to.VolumeObjectTO;
 import org.apache.cloudstack.utils.identity.ManagementServerNode;
-import org.apache.log4j.Logger;
 
 import com.cloud.agent.AgentManager;
 import com.cloud.agent.Listener;
@@ -281,7 +282,7 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
     Map<VirtualMachine.Type, VirtualMachineGuru> _vmGurus = new HashMap<VirtualMachine.Type, VirtualMachineGuru>();
     protected StateMachine2<State, VirtualMachine.Event, VirtualMachine> _stateMachine;
 
-    static final ConfigKey<Integer> StartRetry = new ConfigKey<Integer>(Integer.class, "start.retry", "Advanced", "10", "Number of times to retry create and start commands", true);
+    static final ConfigKey<Integer> StartRetry = new ConfigKey<Integer>("Advanced", Integer.class, "start.retry", "10", "Number of times to retry create and start commands", true);
     static final ConfigKey<Integer> VmOpWaitInterval = new ConfigKey<Integer>("Advanced", Integer.class, "vm.op.wait.interval", "120",
             "Time (in seconds) to wait before checking if a previous operation has succeeded", true);
 
@@ -298,6 +299,8 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
     static final ConfigKey<Integer> ClusterDeltaSyncInterval = new ConfigKey<Integer>("Advanced", Integer.class, "sync.interval", "60", "Cluster Delta sync interval in seconds",
             false);
 
+
+
     ScheduledExecutorService _executor = null;
 
     protected long _nodeId;
@@ -328,7 +331,7 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
         }
         assert (plan.getClusterId() == null && plan.getPoolId() == null) : "We currently don't support cluster and pool preset yet";
         final VMInstanceVO vmFinal = _vmDao.persist(vm);
-        final LinkedHashMap<? extends DiskOffering, Long> dataDiskOfferingsFinal = dataDiskOfferings == null ? 
+        final LinkedHashMap<? extends DiskOffering, Long> dataDiskOfferingsFinal = dataDiskOfferings == null ?
                 new LinkedHashMap<DiskOffering, Long>() : dataDiskOfferings;
 
 
@@ -560,7 +563,7 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
         while (retry-- != 0) {
             try {
                 final ItWorkVO workFinal = work;
-                Ternary<VMInstanceVO, ReservationContext, ItWorkVO> result = 
+                Ternary<VMInstanceVO, ReservationContext, ItWorkVO> result =
                         Transaction.execute(new TransactionCallbackWithException<Ternary<VMInstanceVO, ReservationContext, ItWorkVO>, NoTransitionException>() {
                     @Override
                     public Ternary<VMInstanceVO, ReservationContext, ItWorkVO> doInTransaction(TransactionStatus status) throws NoTransitionException {
@@ -840,7 +843,7 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
                     handlePath(vmTO.getDisks(), vm.getHypervisorType());
 
                     cmds = new Commands(Command.OnError.Stop);
-                    cmds.addCommand(new StartCommand(vmTO, dest.getHost(), getExecuteInSequence()));
+                    cmds.addCommand(new StartCommand(vmTO, dest.getHost(), ExecuteInSequence.value()));
 
                     vmGuru.finalizeDeployment(cmds, vmProfile, dest, ctx);
 
@@ -883,7 +886,7 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
                                 s_logger.info("The guru did not like the answers so stopping " + vm);
                             }
 
-                            StopCommand cmd = new StopCommand(vm, getExecuteInSequence());
+                            StopCommand cmd = new StopCommand(vm, ExecuteInSequence.value());
                             StopAnswer answer = (StopAnswer)_agentMgr.easySend(destHostId, cmd);
                             if ( answer != null ) {
                                 String hypervisortoolsversion = answer.getHypervisorToolsVersion();
@@ -1043,13 +1046,9 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
         }
     }
 
-    protected boolean getExecuteInSequence() {
-        return false;
-    }
-
     protected boolean sendStop(VirtualMachineGuru guru, VirtualMachineProfile profile, boolean force) {
         VirtualMachine vm = profile.getVirtualMachine();
-        StopCommand stop = new StopCommand(vm, getExecuteInSequence());
+        StopCommand stop = new StopCommand(vm, ExecuteInSequence.value());
         try {
             StopAnswer answer = (StopAnswer) _agentMgr.send(vm.getHostId(), stop);
             if ( answer != null ) {
@@ -1253,7 +1252,7 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
         }
 
         vmGuru.prepareStop(profile);
-        StopCommand stop = new StopCommand(vm, getExecuteInSequence());
+        StopCommand stop = new StopCommand(vm, ExecuteInSequence.value());
         boolean stopped = false;
         StopAnswer answer = null;
         try {
@@ -1988,11 +1987,11 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
     }
 
     public Command cleanup(VirtualMachine vm) {
-        return new StopCommand(vm, getExecuteInSequence());
+        return new StopCommand(vm, ExecuteInSequence.value());
     }
 
     public Command cleanup(String vmName) {
-        return new StopCommand(vmName, getExecuteInSequence());
+        return new StopCommand(vmName, ExecuteInSequence.value());
     }
 
     public Commands fullHostSync(final long hostId, StartupRoutingCommand startup) {
@@ -2742,7 +2741,7 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
             this.name = name;
             this.state = state;
             this.vm = vm;
-            this.hostUuid = host;
+            hostUuid = host;
             this.hvtoolsversion= hvtoolsversion;
 
         }
@@ -3389,7 +3388,7 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
     @Override
     public ConfigKey<?>[] getConfigKeys() {
         return new ConfigKey<?>[] {ClusterDeltaSyncInterval, StartRetry, VmDestroyForcestop, VmOpCancelInterval, VmOpCleanupInterval, VmOpCleanupWait, VmOpLockStateRetry,
-                VmOpWaitInterval};
+                VmOpWaitInterval, ExecuteInSequence};
     }
 
     public List<StoragePoolAllocator> getStoragePoolAllocators() {
@@ -3398,7 +3397,7 @@ public class VirtualMachineManagerImpl extends ManagerBase implements VirtualMac
 
     @Inject
     public void setStoragePoolAllocators(List<StoragePoolAllocator> storagePoolAllocators) {
-        this._storagePoolAllocators = storagePoolAllocators;
+        _storagePoolAllocators = storagePoolAllocators;
     }
 
 }

engine/storage/datamotion/src/org/apache/cloudstack/storage/motion/AncientDataMotionStrategy.java

@@ -57,7 +57,6 @@ import com.cloud.agent.api.to.NfsTO;
 import com.cloud.agent.api.to.VirtualMachineTO;
 import com.cloud.configuration.Config;
 import com.cloud.host.Host;
-import com.cloud.server.ManagementService;
 import com.cloud.storage.DataStoreRole;
 import com.cloud.storage.StoragePool;
 import com.cloud.storage.VolumeVO;
@@ -65,6 +64,7 @@ import com.cloud.storage.dao.VolumeDao;
 import com.cloud.utils.NumbersUtil;
 import com.cloud.utils.db.DB;
 import com.cloud.utils.exception.CloudRuntimeException;
+import com.cloud.vm.VirtualMachineManager;
 
 @Component
 public class
@@ -80,8 +80,6 @@ AncientDataMotionStrategy implements DataMotionStrategy {
     DataStoreManager dataStoreMgr;
     @Inject
     StorageCacheManager cacheMgr;
-    @Inject
-    ManagementService _mgmtServer;
 
     @Override
     public StrategyPriority canHandle(DataObject srcData, DataObject destData) {
@@ -162,7 +160,7 @@ AncientDataMotionStrategy implements DataMotionStrategy {
                 srcForCopy = cacheData = cacheMgr.createCacheObject(srcData, destScope);
             }
 
-            CopyCommand cmd = new CopyCommand(srcForCopy.getTO(), destData.getTO(), _primaryStorageDownloadWait, _mgmtServer.getExecuteInSequence());
+            CopyCommand cmd = new CopyCommand(srcForCopy.getTO(), destData.getTO(), _primaryStorageDownloadWait, VirtualMachineManager.ExecuteInSequence.value());
             EndPoint ep = selector.select(srcForCopy, destData);
             if (ep == null) {
                 String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
@@ -247,7 +245,7 @@ AncientDataMotionStrategy implements DataMotionStrategy {
                 ep = selector.select(snapObj, volObj);
             }
 
-            CopyCommand cmd = new CopyCommand(srcData.getTO(), volObj.getTO(), _createVolumeFromSnapshotWait, _mgmtServer.getExecuteInSequence());
+            CopyCommand cmd = new CopyCommand(srcData.getTO(), volObj.getTO(), _createVolumeFromSnapshotWait, VirtualMachineManager.ExecuteInSequence.value());
             Answer answer = null;
             if (ep == null) {
                 String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
@@ -270,7 +268,7 @@ AncientDataMotionStrategy implements DataMotionStrategy {
     }
 
     protected Answer cloneVolume(DataObject template, DataObject volume) {
-        CopyCommand cmd = new CopyCommand(template.getTO(), volume.getTO(), 0, _mgmtServer.getExecuteInSequence());
+        CopyCommand cmd = new CopyCommand(template.getTO(), volume.getTO(), 0, VirtualMachineManager.ExecuteInSequence.value());
         try {
             EndPoint ep = selector.select(volume.getDataStore());
             Answer answer = null;
@@ -320,7 +318,7 @@ AncientDataMotionStrategy implements DataMotionStrategy {
 
             objOnImageStore.processEvent(Event.CopyingRequested);
 
-            CopyCommand cmd = new CopyCommand(objOnImageStore.getTO(), destData.getTO(), _copyvolumewait, _mgmtServer.getExecuteInSequence());
+            CopyCommand cmd = new CopyCommand(objOnImageStore.getTO(), destData.getTO(), _copyvolumewait, VirtualMachineManager.ExecuteInSequence.value());
             EndPoint ep = selector.select(objOnImageStore, destData);
             if (ep == null) {
                 String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
@@ -344,7 +342,7 @@ AncientDataMotionStrategy implements DataMotionStrategy {
             return answer;
         } else {
             DataObject cacheData = cacheMgr.createCacheObject(srcData, destScope);
-            CopyCommand cmd = new CopyCommand(cacheData.getTO(), destData.getTO(), _copyvolumewait, _mgmtServer.getExecuteInSequence());
+            CopyCommand cmd = new CopyCommand(cacheData.getTO(), destData.getTO(), _copyvolumewait, VirtualMachineManager.ExecuteInSequence.value());
             EndPoint ep = selector.select(cacheData, destData);
             Answer answer = null;
             if (ep == null) {
@@ -457,7 +455,7 @@ AncientDataMotionStrategy implements DataMotionStrategy {
             ep = selector.select(srcData, destData);
         }
 
-        CopyCommand cmd = new CopyCommand(srcData.getTO(), destData.getTO(), _createprivatetemplatefromsnapshotwait, _mgmtServer.getExecuteInSequence());
+        CopyCommand cmd = new CopyCommand(srcData.getTO(), destData.getTO(), _createprivatetemplatefromsnapshotwait, VirtualMachineManager.ExecuteInSequence.value());
         Answer answer = null;
         if (ep == null) {
             String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
@@ -486,7 +484,7 @@ AncientDataMotionStrategy implements DataMotionStrategy {
                 Scope selectedScope = pickCacheScopeForCopy(srcData, destData);
                 cacheData = cacheMgr.getCacheObject(srcData, selectedScope);
 
-                CopyCommand cmd = new CopyCommand(srcData.getTO(), destData.getTO(), _backupsnapshotwait, _mgmtServer.getExecuteInSequence());
+                CopyCommand cmd = new CopyCommand(srcData.getTO(), destData.getTO(), _backupsnapshotwait, VirtualMachineManager.ExecuteInSequence.value());
                 cmd.setCacheTO(cacheData.getTO());
                 EndPoint ep = selector.select(srcData, destData);
                 if (ep == null) {
@@ -497,7 +495,7 @@ AncientDataMotionStrategy implements DataMotionStrategy {
                     answer = ep.sendMessage(cmd);
                 }
             } else {
-                CopyCommand cmd = new CopyCommand(srcData.getTO(), destData.getTO(), _backupsnapshotwait, _mgmtServer.getExecuteInSequence());
+                CopyCommand cmd = new CopyCommand(srcData.getTO(), destData.getTO(), _backupsnapshotwait, VirtualMachineManager.ExecuteInSequence.value());
                 EndPoint ep = selector.select(srcData, destData);
                 if (ep == null) {
                     String errMsg = "No remote endpoint to send command, check if host or ssvm is down?";

engine/storage/pom.xml

@@ -30,11 +30,13 @@
       <artifactId>cloud-core</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <!-- 
     <dependency>
       <groupId>org.apache.cloudstack</groupId>
       <artifactId>cloud-server</artifactId>
       <version>${project.version}</version>
     </dependency>
+    -->
     <dependency>
       <groupId>org.apache.cloudstack</groupId>
       <artifactId>cloud-engine-components-api</artifactId>

server/src/com/cloud/configuration/Config.java

@@ -410,8 +410,6 @@ public enum Config {
     BlacklistedRoutes("Advanced", VpcManager.class, String.class, "blacklisted.routes", null, "Routes that are blacklisted, can not be used for Static Routes creation for the VPC Private Gateway",
 	           "routes", ConfigKey.Scope.Zone.toString()),
     InternalLbVmServiceOfferingId("Advanced", ManagementServer.class, String.class, "internallbvm.service.offering", null, "Uuid of the service offering used by internal lb vm; if NULL - default system internal lb offering will be used", null),
-    ExecuteInSequence("Advanced", ManagementServer.class, Boolean.class, "execute.in.sequence.hypervisor.commands", "false", "If set to true, StartCommand, StopCommand, CopyCommand will be synchronized on the agent side." +
-    		" If set to false, these commands become asynchronous. Default value is false.", null),
     ExecuteInSequenceNetworkElementCommands("Advanced", NetworkOrchestrationService.class, Boolean.class, "execute.in.sequence.network.element.commands", "false", "If set to true, DhcpEntryCommand, SavePasswordCommand, UserDataCommand, VmDataCommand will be synchronized on the agent side." +
             " If set to false, these commands become asynchronous. Default value is false.", null),
 

server/src/com/cloud/server/ManagementServerImpl.java

@@ -42,7 +42,6 @@ import javax.crypto.spec.SecretKeySpec;
 import javax.inject.Inject;
 import javax.naming.ConfigurationException;
 
-import org.apache.cloudstack.api.command.admin.router.UpgradeRouterTemplateCmd;
 import org.apache.commons.codec.binary.Base64;
 import org.apache.log4j.Logger;
 
@@ -145,6 +144,7 @@ import org.apache.cloudstack.api.command.admin.router.RebootRouterCmd;
 import org.apache.cloudstack.api.command.admin.router.StartRouterCmd;
 import org.apache.cloudstack.api.command.admin.router.StopRouterCmd;
 import org.apache.cloudstack.api.command.admin.router.UpgradeRouterCmd;
+import org.apache.cloudstack.api.command.admin.router.UpgradeRouterTemplateCmd;
 import org.apache.cloudstack.api.command.admin.storage.AddImageStoreCmd;
 import org.apache.cloudstack.api.command.admin.storage.AddS3Cmd;
 import org.apache.cloudstack.api.command.admin.storage.CancelPrimaryStorageMaintenanceCmd;
@@ -271,6 +271,7 @@ import org.apache.cloudstack.api.command.user.iso.UpdateIsoCmd;
 import org.apache.cloudstack.api.command.user.iso.UpdateIsoPermissionsCmd;
 import org.apache.cloudstack.api.command.user.job.ListAsyncJobsCmd;
 import org.apache.cloudstack.api.command.user.job.QueryAsyncJobResultCmd;
+import org.apache.cloudstack.api.command.user.loadbalancer.AssignCertToLoadBalancerCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.AssignToLoadBalancerRuleCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.CreateApplicationLoadBalancerCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.CreateLBHealthCheckPolicyCmd;
@@ -280,18 +281,17 @@ import org.apache.cloudstack.api.command.user.loadbalancer.DeleteApplicationLoad
 import org.apache.cloudstack.api.command.user.loadbalancer.DeleteLBHealthCheckPolicyCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.DeleteLBStickinessPolicyCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.DeleteLoadBalancerRuleCmd;
+import org.apache.cloudstack.api.command.user.loadbalancer.DeleteSslCertCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.ListApplicationLoadBalancersCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.ListLBHealthCheckPoliciesCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.ListLBStickinessPoliciesCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.ListLoadBalancerRuleInstancesCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.ListLoadBalancerRulesCmd;
+import org.apache.cloudstack.api.command.user.loadbalancer.ListSslCertsCmd;
+import org.apache.cloudstack.api.command.user.loadbalancer.RemoveCertFromLoadBalancerCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.RemoveFromLoadBalancerRuleCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.UpdateLoadBalancerRuleCmd;
 import org.apache.cloudstack.api.command.user.loadbalancer.UploadSslCertCmd;
-import org.apache.cloudstack.api.command.user.loadbalancer.DeleteSslCertCmd;
-import org.apache.cloudstack.api.command.user.loadbalancer.ListSslCertsCmd;
-import org.apache.cloudstack.api.command.user.loadbalancer.AssignCertToLoadBalancerCmd;
-import org.apache.cloudstack.api.command.user.loadbalancer.RemoveCertFromLoadBalancerCmd;
 import org.apache.cloudstack.api.command.user.nat.CreateIpForwardingRuleCmd;
 import org.apache.cloudstack.api.command.user.nat.DeleteIpForwardingRuleCmd;
 import org.apache.cloudstack.api.command.user.nat.DisableStaticNatCmd;
@@ -574,13 +574,12 @@ import com.cloud.utils.db.DB;
 import com.cloud.utils.db.Filter;
 import com.cloud.utils.db.GlobalLock;
 import com.cloud.utils.db.JoinBuilder;
-import com.cloud.utils.db.TransactionCallback;
-import com.cloud.utils.db.TransactionCallbackNoReturn;
-import com.cloud.utils.db.TransactionStatus;
 import com.cloud.utils.db.JoinBuilder.JoinType;
 import com.cloud.utils.db.SearchBuilder;
 import com.cloud.utils.db.SearchCriteria;
 import com.cloud.utils.db.Transaction;
+import com.cloud.utils.db.TransactionCallbackNoReturn;
+import com.cloud.utils.db.TransactionStatus;
 import com.cloud.utils.exception.CloudRuntimeException;
 import com.cloud.utils.net.MacAddress;
 import com.cloud.utils.net.NetUtils;
@@ -819,8 +818,6 @@ public class ManagementServerImpl extends ManagerBase implements ManagementServe
             _availableIdsMap.put(id, true);
         }
 
-        _executeInSequence = Boolean.parseBoolean(_configDao.getValue(Config.ExecuteInSequence.key()));
-
         return true;
     }
 
@@ -3508,11 +3505,6 @@ public class ManagementServerImpl extends ManagerBase implements ManagementServe
         _encryptionIV = null;
     }
 
-    @Override
-    public boolean getExecuteInSequence() {
-        return  _executeInSequence;
-    }
-
     private static String getBase64EncodedRandomKey(int nBits) {
         SecureRandom random;
         try {
@@ -3906,6 +3898,6 @@ public class ManagementServerImpl extends ManagerBase implements ManagementServe
     }
 
     public void setLockMasterListener(LockMasterListener lockMasterListener) {
-        this._lockMasterListener = lockMasterListener;
+        _lockMasterListener = lockMasterListener;
     }
 }