mirror of https://github.com/apache/cloudstack.git
130 lines
4.9 KiB
Java
130 lines
4.9 KiB
Java
/**
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* Copyright (C) 2010 Cloud.com, Inc. All rights reserved.
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*
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* This software is licensed under the GNU General Public License v3 or later.
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*
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* It is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package com.cloud.api.commands;
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import org.apache.log4j.Logger;
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import com.cloud.api.ApiConstants;
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import com.cloud.api.BaseAsyncCmd;
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import com.cloud.api.BaseCmd;
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import com.cloud.api.Implementation;
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import com.cloud.api.Parameter;
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import com.cloud.api.ServerApiException;
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import com.cloud.api.response.UserVmResponse;
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import com.cloud.event.EventTypes;
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import com.cloud.exception.ConcurrentOperationException;
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import com.cloud.exception.InvalidParameterValueException;
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import com.cloud.exception.ManagementServerException;
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import com.cloud.exception.ResourceUnavailableException;
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import com.cloud.host.Host;
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import com.cloud.user.Account;
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import com.cloud.uservm.UserVm;
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@Implementation(description="Attempts Migration of a virtual machine to the host specified.", responseObject=UserVmResponse.class)
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public class MigrateVMCmd extends BaseAsyncCmd {
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public static final Logger s_logger = Logger.getLogger(MigrateVMCmd.class.getName());
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private static final String s_name = "migratevirtualmachineresponse";
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/////////////////////////////////////////////////////
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//////////////// API parameters /////////////////////
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/////////////////////////////////////////////////////
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@Parameter(name=ApiConstants.HOST_ID, type=CommandType.LONG, required=true, description="destination Host ID to migrate VM to")
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private Long hostId;
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@Parameter(name=ApiConstants.VIRTUAL_MACHINE_ID, type=CommandType.LONG, required=true, description="the ID of the virtual machine")
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private Long virtualMachineId;
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/////////////////////////////////////////////////////
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/////////////////// Accessors ///////////////////////
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/////////////////////////////////////////////////////
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public Long getHostId() {
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return hostId;
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}
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public Long getVirtualMachineId() {
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return virtualMachineId;
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}
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/////////////////////////////////////////////////////
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/////////////// API Implementation///////////////////
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/////////////////////////////////////////////////////
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@Override
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public String getCommandName() {
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return s_name;
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}
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@Override
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public long getEntityOwnerId() {
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UserVm userVm = _entityMgr.findById(UserVm.class, getVirtualMachineId());
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if (userVm != null) {
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return userVm.getAccountId();
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}
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return Account.ACCOUNT_ID_SYSTEM; // no account info given, parent this command to SYSTEM so ERROR events are tracked
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}
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@Override
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public String getEventType() {
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return EventTypes.EVENT_VM_MIGRATE;
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}
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@Override
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public String getEventDescription() {
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return "Attempting to migrate VM: " + getVirtualMachineId() + " to host: "+ getHostId();
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}
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@Override
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public void execute(){
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UserVm userVm = _userVmService.getUserVm(getVirtualMachineId());
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if (userVm == null) {
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throw new InvalidParameterValueException("Unable to find the VM by id=" + getVirtualMachineId());
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}
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Host destinationHost = _resourceService.getHost(getHostId());
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if (destinationHost == null) {
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throw new InvalidParameterValueException("Unable to find the host to migrate the VM, host id=" + getHostId());
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}
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try{
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UserVm migratedVm = _userVmService.migrateVirtualMachine(userVm, destinationHost);
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if (migratedVm != null) {
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UserVmResponse response = _responseGenerator.createUserVmResponse(migratedVm);
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response.setResponseName(getCommandName());
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this.setResponseObject(response);
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} else {
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throw new ServerApiException(BaseCmd.INTERNAL_ERROR, "Failed to migrate vm");
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}
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} catch (ResourceUnavailableException ex) {
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s_logger.warn("Exception: ", ex);
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throw new ServerApiException(BaseCmd.RESOURCE_UNAVAILABLE_ERROR, ex.getMessage());
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} catch (ConcurrentOperationException e) {
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s_logger.warn("Exception: ", e);
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throw new ServerApiException(BaseCmd.INTERNAL_ERROR, e.getMessage());
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} catch (ManagementServerException e) {
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s_logger.warn("Exception: ", e);
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throw new ServerApiException(BaseCmd.INTERNAL_ERROR, e.getMessage());
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}
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}
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}
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