Examples with DeleteStoragePoolCommand com.cloud.agent.api.DeleteStoragePoolCommand used on opensource projects

Example 6 with DeleteStoragePoolCommand

use of com.cloud.agent.api.DeleteStoragePoolCommand in project cloudstack by apache.

the class SolidFireSharedPrimaryDataStoreLifeCycle method deleteDataStore.

// invoked to delete primary storage that is based on the SolidFire plug-in
@Override
public boolean deleteDataStore(DataStore dataStore) {
    List<StoragePoolHostVO> hostPoolRecords = _storagePoolHostDao.listByPoolId(dataStore.getId());
    HypervisorType hypervisorType = null;
    if (hostPoolRecords.size() > 0) {
        hypervisorType = getHypervisorType(hostPoolRecords.get(0).getHostId());
    }
    if (!isSupportedHypervisorType(hypervisorType)) {
        throw new CloudRuntimeException(hypervisorType + " is not a supported hypervisor type.");
    }
    StoragePool storagePool = (StoragePool) dataStore;
    StoragePoolVO storagePoolVO = _primaryDataStoreDao.findById(storagePool.getId());
    List<VMTemplateStoragePoolVO> unusedTemplatesInPool = _tmpltMgr.getUnusedTemplatesInPool(storagePoolVO);
    for (VMTemplateStoragePoolVO templatePoolVO : unusedTemplatesInPool) {
        _tmpltMgr.evictTemplateFromStoragePool(templatePoolVO);
    }
    Long clusterId = null;
    for (StoragePoolHostVO host : hostPoolRecords) {
        DeleteStoragePoolCommand deleteCmd = new DeleteStoragePoolCommand(storagePool);
        if (HypervisorType.VMware.equals(hypervisorType)) {
            deleteCmd.setRemoveDatastore(true);
            Map<String, String> details = new HashMap<String, String>();
            StoragePoolDetailVO storagePoolDetail = _storagePoolDetailsDao.findDetail(storagePool.getId(), SolidFireUtil.DATASTORE_NAME);
            details.put(DeleteStoragePoolCommand.DATASTORE_NAME, storagePoolDetail.getValue());
            storagePoolDetail = _storagePoolDetailsDao.findDetail(storagePool.getId(), SolidFireUtil.IQN);
            details.put(DeleteStoragePoolCommand.IQN, storagePoolDetail.getValue());
            storagePoolDetail = _storagePoolDetailsDao.findDetail(storagePool.getId(), SolidFireUtil.STORAGE_VIP);
            details.put(DeleteStoragePoolCommand.STORAGE_HOST, storagePoolDetail.getValue());
            storagePoolDetail = _storagePoolDetailsDao.findDetail(storagePool.getId(), SolidFireUtil.STORAGE_PORT);
            details.put(DeleteStoragePoolCommand.STORAGE_PORT, storagePoolDetail.getValue());
            deleteCmd.setDetails(details);
        }
        final Answer answer = _agentMgr.easySend(host.getHostId(), deleteCmd);
        if (answer != null && answer.getResult()) {
            s_logger.info("Successfully deleted storage pool using Host ID " + host.getHostId());
            HostVO hostVO = _hostDao.findById(host.getHostId());
            if (hostVO != null) {
                clusterId = hostVO.getClusterId();
            }
            break;
        } else {
            s_logger.error("Failed to delete storage pool using Host ID " + host.getHostId() + ": " + answer.getResult());
        }
    }
    if (clusterId != null) {
        ClusterVO cluster = _clusterDao.findById(clusterId);
        GlobalLock lock = GlobalLock.getInternLock(cluster.getUuid());
        if (!lock.lock(SolidFireUtil.s_lockTimeInSeconds)) {
            String errMsg = "Couldn't lock the DB on the following string: " + cluster.getUuid();
            s_logger.debug(errMsg);
            throw new CloudRuntimeException(errMsg);
        }
        try {
            removeVolumeFromVag(storagePool.getId(), clusterId);
        } finally {
            lock.unlock();
            lock.releaseRef();
        }
    }
    deleteSolidFireVolume(storagePool.getId());
    return _primaryDataStoreHelper.deletePrimaryDataStore(dataStore);
}

Example 7 with DeleteStoragePoolCommand

use of com.cloud.agent.api.DeleteStoragePoolCommand in project cloudstack by apache.

the class VmwareResource method executeRequest.

@Override
public Answer executeRequest(Command cmd) {
    if (s_logger.isTraceEnabled())
        s_logger.trace("Begin executeRequest(), cmd: " + cmd.getClass().getSimpleName());
    Answer answer = null;
    NDC.push(getCommandLogTitle(cmd));
    try {
        long cmdSequence = _cmdSequence++;
        Date startTime = DateUtil.currentGMTTime();
        PropertyMapDynamicBean mbean = new PropertyMapDynamicBean();
        mbean.addProp("StartTime", DateUtil.getDateDisplayString(TimeZone.getDefault(), startTime));
        mbean.addProp("Command", _gson.toJson(cmd));
        mbean.addProp("Sequence", String.valueOf(cmdSequence));
        mbean.addProp("Name", cmd.getClass().getSimpleName());
        Class<? extends Command> clz = cmd.getClass();
        if (cmd instanceof NetworkElementCommand) {
            return _vrResource.executeRequest((NetworkElementCommand) cmd);
        } else if (clz == ReadyCommand.class) {
            answer = execute((ReadyCommand) cmd);
        } else if (clz == GetHostStatsCommand.class) {
            answer = execute((GetHostStatsCommand) cmd);
        } else if (clz == GetVmStatsCommand.class) {
            answer = execute((GetVmStatsCommand) cmd);
        } else if (clz == GetVmDiskStatsCommand.class) {
            answer = execute((GetVmDiskStatsCommand) cmd);
        } else if (clz == CheckHealthCommand.class) {
            answer = execute((CheckHealthCommand) cmd);
        } else if (clz == StopCommand.class) {
            answer = execute((StopCommand) cmd);
        } else if (clz == RebootRouterCommand.class) {
            answer = execute((RebootRouterCommand) cmd);
        } else if (clz == RebootCommand.class) {
            answer = execute((RebootCommand) cmd);
        } else if (clz == CheckVirtualMachineCommand.class) {
            answer = execute((CheckVirtualMachineCommand) cmd);
        } else if (clz == PrepareForMigrationCommand.class) {
            answer = execute((PrepareForMigrationCommand) cmd);
        } else if (clz == MigrateCommand.class) {
            answer = execute((MigrateCommand) cmd);
        } else if (clz == MigrateWithStorageCommand.class) {
            answer = execute((MigrateWithStorageCommand) cmd);
        } else if (clz == MigrateVolumeCommand.class) {
            answer = execute((MigrateVolumeCommand) cmd);
        } else if (clz == DestroyCommand.class) {
            answer = execute((DestroyCommand) cmd);
        } else if (clz == CreateStoragePoolCommand.class) {
            return execute((CreateStoragePoolCommand) cmd);
        } else if (clz == ModifyTargetsCommand.class) {
            answer = execute((ModifyTargetsCommand) cmd);
        } else if (clz == ModifyStoragePoolCommand.class) {
            answer = execute((ModifyStoragePoolCommand) cmd);
        } else if (clz == DeleteStoragePoolCommand.class) {
            answer = execute((DeleteStoragePoolCommand) cmd);
        } else if (clz == CopyVolumeCommand.class) {
            answer = execute((CopyVolumeCommand) cmd);
        } else if (clz == AttachIsoCommand.class) {
            answer = execute((AttachIsoCommand) cmd);
        } else if (clz == ValidateSnapshotCommand.class) {
            answer = execute((ValidateSnapshotCommand) cmd);
        } else if (clz == ManageSnapshotCommand.class) {
            answer = execute((ManageSnapshotCommand) cmd);
        } else if (clz == BackupSnapshotCommand.class) {
            answer = execute((BackupSnapshotCommand) cmd);
        } else if (clz == CreateVolumeFromSnapshotCommand.class) {
            answer = execute((CreateVolumeFromSnapshotCommand) cmd);
        } else if (clz == CreatePrivateTemplateFromVolumeCommand.class) {
            answer = execute((CreatePrivateTemplateFromVolumeCommand) cmd);
        } else if (clz == CreatePrivateTemplateFromSnapshotCommand.class) {
            answer = execute((CreatePrivateTemplateFromSnapshotCommand) cmd);
        } else if (clz == UpgradeSnapshotCommand.class) {
            answer = execute((UpgradeSnapshotCommand) cmd);
        } else if (clz == GetStorageStatsCommand.class) {
            answer = execute((GetStorageStatsCommand) cmd);
        } else if (clz == PrimaryStorageDownloadCommand.class) {
            answer = execute((PrimaryStorageDownloadCommand) cmd);
        } else if (clz == GetVncPortCommand.class) {
            answer = execute((GetVncPortCommand) cmd);
        } else if (clz == SetupCommand.class) {
            answer = execute((SetupCommand) cmd);
        } else if (clz == MaintainCommand.class) {
            answer = execute((MaintainCommand) cmd);
        } else if (clz == PingTestCommand.class) {
            answer = execute((PingTestCommand) cmd);
        } else if (clz == CheckOnHostCommand.class) {
            answer = execute((CheckOnHostCommand) cmd);
        } else if (clz == ModifySshKeysCommand.class) {
            answer = execute((ModifySshKeysCommand) cmd);
        } else if (clz == NetworkUsageCommand.class) {
            answer = execute((NetworkUsageCommand) cmd);
        } else if (clz == StartCommand.class) {
            answer = execute((StartCommand) cmd);
        } else if (clz == CheckSshCommand.class) {
            answer = execute((CheckSshCommand) cmd);
        } else if (clz == CheckNetworkCommand.class) {
            answer = execute((CheckNetworkCommand) cmd);
        } else if (clz == PlugNicCommand.class) {
            answer = execute((PlugNicCommand) cmd);
        } else if (clz == UnPlugNicCommand.class) {
            answer = execute((UnPlugNicCommand) cmd);
        } else if (cmd instanceof CreateVMSnapshotCommand) {
            return execute((CreateVMSnapshotCommand) cmd);
        } else if (cmd instanceof DeleteVMSnapshotCommand) {
            return execute((DeleteVMSnapshotCommand) cmd);
        } else if (cmd instanceof RevertToVMSnapshotCommand) {
            return execute((RevertToVMSnapshotCommand) cmd);
        } else if (clz == ResizeVolumeCommand.class) {
            return execute((ResizeVolumeCommand) cmd);
        } else if (clz == UnregisterVMCommand.class) {
            return execute((UnregisterVMCommand) cmd);
        } else if (cmd instanceof StorageSubSystemCommand) {
            checkStorageProcessorAndHandlerNfsVersionAttribute((StorageSubSystemCommand) cmd);
            return storageHandler.handleStorageCommands((StorageSubSystemCommand) cmd);
        } else if (clz == ScaleVmCommand.class) {
            return execute((ScaleVmCommand) cmd);
        } else if (clz == PvlanSetupCommand.class) {
            return execute((PvlanSetupCommand) cmd);
        } else if (clz == GetVmIpAddressCommand.class) {
            return execute((GetVmIpAddressCommand) cmd);
        } else if (clz == UnregisterNicCommand.class) {
            answer = execute((UnregisterNicCommand) cmd);
        } else {
            answer = Answer.createUnsupportedCommandAnswer(cmd);
        }
        if (cmd.getContextParam("checkpoint") != null) {
            answer.setContextParam("checkpoint", cmd.getContextParam("checkpoint"));
        }
        Date doneTime = DateUtil.currentGMTTime();
        mbean.addProp("DoneTime", DateUtil.getDateDisplayString(TimeZone.getDefault(), doneTime));
        mbean.addProp("Answer", _gson.toJson(answer));
        synchronized (this) {
            try {
                JmxUtil.registerMBean("VMware " + _morHyperHost.getValue(), "Command " + cmdSequence + "-" + cmd.getClass().getSimpleName(), mbean);
                _cmdMBeans.add(mbean);
                if (_cmdMBeans.size() >= MazCmdMBean) {
                    PropertyMapDynamicBean mbeanToRemove = _cmdMBeans.get(0);
                    _cmdMBeans.remove(0);
                    JmxUtil.unregisterMBean("VMware " + _morHyperHost.getValue(), "Command " + mbeanToRemove.getProp("Sequence") + "-" + mbeanToRemove.getProp("Name"));
                }
            } catch (Exception e) {
                if (s_logger.isTraceEnabled())
                    s_logger.trace("Unable to register JMX monitoring due to exception " + ExceptionUtil.toString(e));
            }
        }
    } finally {
        recycleServiceContext();
        NDC.pop();
    }
    if (s_logger.isTraceEnabled())
        s_logger.trace("End executeRequest(), cmd: " + cmd.getClass().getSimpleName());
    return answer;
}

Example 8 with DeleteStoragePoolCommand

use of com.cloud.agent.api.DeleteStoragePoolCommand in project cloudstack by apache.

the class HypervDirectConnectResourceTest method testModifyStoragePoolCommand.

@Test
public final void testModifyStoragePoolCommand() {
    // Create dummy folder
    String folderName = "." + File.separator + "Dummy";
    StoragePoolVO pool = createTestStoragePoolVO(folderName);
    ModifyStoragePoolCommand cmd = new ModifyStoragePoolCommand(true, pool, folderName);
    Answer ans = s_hypervresource.executeRequest(cmd);
    Assert.assertTrue(ans.getResult());
    DeleteStoragePoolCommand delCmd = new DeleteStoragePoolCommand(pool, folderName);
    Answer ans2 = s_hypervresource.executeRequest(delCmd);
    Assert.assertTrue(ans2.getResult());
}

Example 9 with DeleteStoragePoolCommand

use of com.cloud.agent.api.DeleteStoragePoolCommand in project cloudstack by apache.

the class HypervDirectConnectResourceTest method testModifyStoragePoolCommand2.

// Check
@Test
public final void testModifyStoragePoolCommand2() {
    // Should return existing pool
    // Create dummy folder
    String folderName = "." + File.separator + "Dummy";
    File folder = new File(folderName);
    if (!folder.exists()) {
        if (!folder.mkdir()) {
            Assert.assertTrue(false);
        }
    }
    // Use same spec for pool
    s_logger.info("Createing pool at : " + folderName);
    StoragePoolVO pool = new StoragePoolVO(StoragePoolType.Filesystem, "127.0.0.1", -1, folderName);
    pool.setUuid(s_testLocalStoreUUID);
    ModifyStoragePoolCommand cmd = new ModifyStoragePoolCommand(true, pool, folderName);
    Answer ans = s_hypervresource.executeRequest(cmd);
    Assert.assertTrue(ans.getResult());
    DeleteStoragePoolCommand delCmd = new DeleteStoragePoolCommand(pool, folderName);
    Answer ans2 = s_hypervresource.executeRequest(delCmd);
    Assert.assertTrue(ans2.getResult());
}

Example 10 with DeleteStoragePoolCommand

use of com.cloud.agent.api.DeleteStoragePoolCommand in project cloudstack by apache.

the class SimulatorManagerImpl method simulate.

@DB
@Override
public Answer simulate(final Command cmd, final String hostGuid) {
    Answer answer = null;
    Exception exception = null;
    TransactionLegacy txn = TransactionLegacy.open(TransactionLegacy.SIMULATOR_DB);
    try {
        final MockHost host = _mockHost.findByGuid(hostGuid);
        String cmdName = cmd.toString();
        final int index = cmdName.lastIndexOf(".");
        if (index != -1) {
            cmdName = cmdName.substring(index + 1);
        }
        final SimulatorInfo info = new SimulatorInfo();
        info.setHostUuid(hostGuid);
        final MockConfigurationVO config = _mockConfigDao.findByNameBottomUP(host.getDataCenterId(), host.getPodId(), host.getClusterId(), host.getId(), cmdName);
        if (config != null && (config.getCount() == null || config.getCount().intValue() > 0)) {
            final Map<String, String> configParameters = config.getParameters();
            for (final Map.Entry<String, String> entry : configParameters.entrySet()) {
                if (entry.getKey().equalsIgnoreCase("enabled")) {
                    info.setEnabled(Boolean.parseBoolean(entry.getValue()));
                } else if (entry.getKey().equalsIgnoreCase("timeout")) {
                    try {
                        info.setTimeout(Integer.valueOf(entry.getValue()));
                    } catch (final NumberFormatException e) {
                        s_logger.debug("invalid timeout parameter: " + e.toString());
                    }
                }
                if (entry.getKey().equalsIgnoreCase("wait")) {
                    try {
                        final int wait = Integer.valueOf(entry.getValue());
                        Thread.sleep(wait);
                    } catch (final NumberFormatException e) {
                        s_logger.debug("invalid wait parameter: " + e.toString());
                    } catch (final InterruptedException e) {
                        s_logger.debug("thread is interrupted: " + e.toString());
                    }
                }
                if (entry.getKey().equalsIgnoreCase("result")) {
                    final String value = entry.getValue();
                    if (value.equalsIgnoreCase("fail")) {
                        answer = new Answer(cmd, false, "Simulated failure");
                    } else if (value.equalsIgnoreCase("fault")) {
                        exception = new Exception("Simulated fault");
                    }
                }
            }
            if (exception != null) {
                throw exception;
            }
            if (answer == null) {
                final String message = config.getJsonResponse();
                if (message != null) {
                    // json response looks like {"<Type>":....}
                    final String objectType = message.split(":")[0].substring(2).replace("\"", "");
                    final String objectData = message.substring(message.indexOf(':') + 1, message.length() - 1);
                    if (objectType != null) {
                        Class<?> clz = null;
                        try {
                            clz = Class.forName(objectType);
                        } catch (final ClassNotFoundException e) {
                        }
                        if (clz != null) {
                            final StringReader reader = new StringReader(objectData);
                            final JsonReader jsonReader = new JsonReader(reader);
                            jsonReader.setLenient(true);
                            answer = (Answer) s_gson.fromJson(jsonReader, clz);
                        }
                    }
                }
            }
        }
        if (answer == null) {
            if (cmd instanceof GetHostStatsCommand) {
                answer = _mockAgentMgr.getHostStatistic((GetHostStatsCommand) cmd);
            } else if (cmd instanceof CheckHealthCommand) {
                answer = _mockAgentMgr.checkHealth((CheckHealthCommand) cmd);
            } else if (cmd instanceof PingTestCommand) {
                answer = _mockAgentMgr.pingTest((PingTestCommand) cmd);
            } else if (cmd instanceof PrepareForMigrationCommand) {
                answer = _mockVmMgr.prepareForMigrate((PrepareForMigrationCommand) cmd);
            } else if (cmd instanceof MigrateCommand) {
                answer = _mockVmMgr.migrate((MigrateCommand) cmd, info);
            } else if (cmd instanceof StartCommand) {
                answer = _mockVmMgr.startVM((StartCommand) cmd, info);
            } else if (cmd instanceof CheckSshCommand) {
                answer = _mockVmMgr.checkSshCommand((CheckSshCommand) cmd);
            } else if (cmd instanceof CheckVirtualMachineCommand) {
                answer = _mockVmMgr.checkVmState((CheckVirtualMachineCommand) cmd);
            } else if (cmd instanceof SetStaticNatRulesCommand) {
                answer = _mockNetworkMgr.SetStaticNatRules((SetStaticNatRulesCommand) cmd);
            } else if (cmd instanceof SetFirewallRulesCommand) {
                answer = _mockNetworkMgr.SetFirewallRules((SetFirewallRulesCommand) cmd);
            } else if (cmd instanceof SetPortForwardingRulesCommand) {
                answer = _mockNetworkMgr.SetPortForwardingRules((SetPortForwardingRulesCommand) cmd);
            } else if (cmd instanceof NetworkUsageCommand) {
                answer = _mockNetworkMgr.getNetworkUsage((NetworkUsageCommand) cmd);
            } else if (cmd instanceof IpAssocCommand) {
                answer = _mockNetworkMgr.IpAssoc((IpAssocCommand) cmd);
            } else if (cmd instanceof LoadBalancerConfigCommand) {
                answer = _mockNetworkMgr.LoadBalancerConfig((LoadBalancerConfigCommand) cmd);
            } else if (cmd instanceof DhcpEntryCommand) {
                answer = _mockNetworkMgr.AddDhcpEntry((DhcpEntryCommand) cmd);
            } else if (cmd instanceof VmDataCommand) {
                answer = _mockVmMgr.setVmData((VmDataCommand) cmd);
            } else if (cmd instanceof CleanupNetworkRulesCmd) {
                answer = _mockVmMgr.cleanupNetworkRules((CleanupNetworkRulesCmd) cmd, info);
            } else if (cmd instanceof CheckNetworkCommand) {
                answer = _mockAgentMgr.checkNetworkCommand((CheckNetworkCommand) cmd);
            } else if (cmd instanceof StopCommand) {
                answer = _mockVmMgr.stopVM((StopCommand) cmd);
            } else if (cmd instanceof RebootCommand) {
                answer = _mockVmMgr.rebootVM((RebootCommand) cmd);
            } else if (cmd instanceof GetVncPortCommand) {
                answer = _mockVmMgr.getVncPort((GetVncPortCommand) cmd);
            } else if (cmd instanceof CheckConsoleProxyLoadCommand) {
                answer = _mockVmMgr.checkConsoleProxyLoad((CheckConsoleProxyLoadCommand) cmd);
            } else if (cmd instanceof WatchConsoleProxyLoadCommand) {
                answer = _mockVmMgr.watchConsoleProxyLoad((WatchConsoleProxyLoadCommand) cmd);
            } else if (cmd instanceof SecurityGroupRulesCmd) {
                answer = _mockVmMgr.addSecurityGroupRules((SecurityGroupRulesCmd) cmd, info);
            } else if (cmd instanceof SavePasswordCommand) {
                answer = _mockVmMgr.savePassword((SavePasswordCommand) cmd);
            } else if (cmd instanceof PrimaryStorageDownloadCommand) {
                answer = _mockStorageMgr.primaryStorageDownload((PrimaryStorageDownloadCommand) cmd);
            } else if (cmd instanceof CreateCommand) {
                answer = _mockStorageMgr.createVolume((CreateCommand) cmd);
            } else if (cmd instanceof AttachIsoCommand) {
                answer = _mockStorageMgr.AttachIso((AttachIsoCommand) cmd);
            } else if (cmd instanceof DeleteStoragePoolCommand) {
                answer = _mockStorageMgr.DeleteStoragePool((DeleteStoragePoolCommand) cmd);
            } else if (cmd instanceof ModifyStoragePoolCommand) {
                answer = _mockStorageMgr.ModifyStoragePool((ModifyStoragePoolCommand) cmd);
            } else if (cmd instanceof CreateStoragePoolCommand) {
                answer = _mockStorageMgr.CreateStoragePool((CreateStoragePoolCommand) cmd);
            } else if (cmd instanceof SecStorageSetupCommand) {
                answer = _mockStorageMgr.SecStorageSetup((SecStorageSetupCommand) cmd);
            } else if (cmd instanceof ListTemplateCommand) {
                answer = _mockStorageMgr.ListTemplates((ListTemplateCommand) cmd);
            } else if (cmd instanceof ListVolumeCommand) {
                answer = _mockStorageMgr.ListVolumes((ListVolumeCommand) cmd);
            } else if (cmd instanceof DestroyCommand) {
                answer = _mockStorageMgr.Destroy((DestroyCommand) cmd);
            } else if (cmd instanceof DownloadProgressCommand) {
                answer = _mockStorageMgr.DownloadProcess((DownloadProgressCommand) cmd);
            } else if (cmd instanceof DownloadCommand) {
                answer = _mockStorageMgr.Download((DownloadCommand) cmd);
            } else if (cmd instanceof GetStorageStatsCommand) {
                answer = _mockStorageMgr.GetStorageStats((GetStorageStatsCommand) cmd);
            } else if (cmd instanceof ManageSnapshotCommand) {
                answer = _mockStorageMgr.ManageSnapshot((ManageSnapshotCommand) cmd);
            } else if (cmd instanceof BackupSnapshotCommand) {
                answer = _mockStorageMgr.BackupSnapshot((BackupSnapshotCommand) cmd, info);
            } else if (cmd instanceof CreateVolumeFromSnapshotCommand) {
                answer = _mockStorageMgr.CreateVolumeFromSnapshot((CreateVolumeFromSnapshotCommand) cmd);
            } else if (cmd instanceof DeleteCommand) {
                answer = _mockStorageMgr.Delete((DeleteCommand) cmd);
            } else if (cmd instanceof SecStorageVMSetupCommand) {
                answer = _mockStorageMgr.SecStorageVMSetup((SecStorageVMSetupCommand) cmd);
            } else if (cmd instanceof CreatePrivateTemplateFromSnapshotCommand) {
                answer = _mockStorageMgr.CreatePrivateTemplateFromSnapshot((CreatePrivateTemplateFromSnapshotCommand) cmd);
            } else if (cmd instanceof ComputeChecksumCommand) {
                answer = _mockStorageMgr.ComputeChecksum((ComputeChecksumCommand) cmd);
            } else if (cmd instanceof CreatePrivateTemplateFromVolumeCommand) {
                answer = _mockStorageMgr.CreatePrivateTemplateFromVolume((CreatePrivateTemplateFromVolumeCommand) cmd);
            } else if (cmd instanceof UploadStatusCommand) {
                answer = _mockStorageMgr.getUploadStatus((UploadStatusCommand) cmd);
            } else if (cmd instanceof MaintainCommand) {
                answer = _mockAgentMgr.maintain((MaintainCommand) cmd);
            } else if (cmd instanceof GetVmStatsCommand) {
                answer = _mockVmMgr.getVmStats((GetVmStatsCommand) cmd);
            } else if (cmd instanceof CheckRouterCommand) {
                answer = _mockVmMgr.checkRouter((CheckRouterCommand) cmd);
            } else if (cmd instanceof GetDomRVersionCmd) {
                answer = _mockVmMgr.getDomRVersion((GetDomRVersionCmd) cmd);
            } else if (cmd instanceof CopyVolumeCommand) {
                answer = _mockStorageMgr.CopyVolume((CopyVolumeCommand) cmd);
            } else if (cmd instanceof PlugNicCommand) {
                answer = _mockNetworkMgr.plugNic((PlugNicCommand) cmd);
            } else if (cmd instanceof UnPlugNicCommand) {
                answer = _mockNetworkMgr.unplugNic((UnPlugNicCommand) cmd);
            } else if (cmd instanceof IpAssocVpcCommand) {
                answer = _mockNetworkMgr.ipAssoc((IpAssocVpcCommand) cmd);
            } else if (cmd instanceof SetSourceNatCommand) {
                answer = _mockNetworkMgr.setSourceNat((SetSourceNatCommand) cmd);
            } else if (cmd instanceof SetNetworkACLCommand) {
                answer = _mockNetworkMgr.setNetworkAcl((SetNetworkACLCommand) cmd);
            } else if (cmd instanceof SetupGuestNetworkCommand) {
                answer = _mockNetworkMgr.setUpGuestNetwork((SetupGuestNetworkCommand) cmd);
            } else if (cmd instanceof SetPortForwardingRulesVpcCommand) {
                answer = _mockNetworkMgr.setVpcPortForwards((SetPortForwardingRulesVpcCommand) cmd);
            } else if (cmd instanceof SetStaticNatRulesCommand) {
                answer = _mockNetworkMgr.setVPCStaticNatRules((SetStaticNatRulesCommand) cmd);
            } else if (cmd instanceof SetStaticRouteCommand) {
                answer = _mockNetworkMgr.setStaticRoute((SetStaticRouteCommand) cmd);
            } else if (cmd instanceof Site2SiteVpnCfgCommand) {
                answer = _mockNetworkMgr.siteToSiteVpn((Site2SiteVpnCfgCommand) cmd);
            } else if (cmd instanceof CheckS2SVpnConnectionsCommand) {
                answer = _mockNetworkMgr.checkSiteToSiteVpnConnection((CheckS2SVpnConnectionsCommand) cmd);
            } else if (cmd instanceof CreateVMSnapshotCommand) {
                answer = _mockVmMgr.createVmSnapshot((CreateVMSnapshotCommand) cmd);
            } else if (cmd instanceof DeleteVMSnapshotCommand) {
                answer = _mockVmMgr.deleteVmSnapshot((DeleteVMSnapshotCommand) cmd);
            } else if (cmd instanceof RevertToVMSnapshotCommand) {
                answer = _mockVmMgr.revertVmSnapshot((RevertToVMSnapshotCommand) cmd);
            } else if (cmd instanceof NetworkRulesVmSecondaryIpCommand) {
                answer = _mockVmMgr.plugSecondaryIp((NetworkRulesVmSecondaryIpCommand) cmd);
            } else if (cmd instanceof ScaleVmCommand) {
                answer = _mockVmMgr.scaleVm((ScaleVmCommand) cmd);
            } else if (cmd instanceof PvlanSetupCommand) {
                answer = _mockNetworkMgr.setupPVLAN((PvlanSetupCommand) cmd);
            } else if (cmd instanceof StorageSubSystemCommand) {
                answer = storageHandler.handleStorageCommands((StorageSubSystemCommand) cmd);
            } else if (cmd instanceof FenceCommand) {
                answer = _mockVmMgr.fence((FenceCommand) cmd);
            } else if (cmd instanceof GetRouterAlertsCommand || cmd instanceof VpnUsersCfgCommand || cmd instanceof RemoteAccessVpnCfgCommand || cmd instanceof SetMonitorServiceCommand || cmd instanceof AggregationControlCommand || cmd instanceof SecStorageFirewallCfgCommand) {
                answer = new Answer(cmd);
            } else {
                s_logger.error("Simulator does not implement command of type " + cmd.toString());
                answer = Answer.createUnsupportedCommandAnswer(cmd);
            }
        }
        if (config != null && config.getCount() != null && config.getCount().intValue() > 0) {
            if (answer != null) {
                config.setCount(config.getCount().intValue() - 1);
                _mockConfigDao.update(config.getId(), config);
            }
        }
        return answer;
    } catch (final Exception e) {
        s_logger.error("Failed execute cmd: ", e);
        txn.rollback();
        return new Answer(cmd, false, e.toString());
    } finally {
        txn.close();
        txn = TransactionLegacy.open(TransactionLegacy.CLOUD_DB);
        txn.close();
    }
}