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// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
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package com.cloud.api.commands;
import org.apache.log4j.Logger;
import com.cloud.api.ApiConstants;
import com.cloud.api.BaseAsyncCmd;
import com.cloud.api.BaseCmd;
import com.cloud.api.IdentityMapper;
import com.cloud.api.Implementation;
import com.cloud.api.Parameter;
import com.cloud.api.ServerApiException;
import com.cloud.api.response.VolumeResponse;
import com.cloud.async.AsyncJob;
import com.cloud.event.EventTypes;
import com.cloud.storage.Volume;
import com.cloud.user.Account;
import com.cloud.user.UserContext;
@Implementation(description="Attaches a disk volume to a virtual machine.", responseObject=VolumeResponse.class)
public class AttachVolumeCmd extends BaseAsyncCmd {
public static final Logger s_logger = Logger.getLogger(AttachVolumeCmd.class.getName());
private static final String s_name = "attachvolumeresponse";
/////////////////////////////////////////////////////
//////////////// API parameters /////////////////////
/////////////////////////////////////////////////////
@Parameter(name=ApiConstants.DEVICE_ID, type=CommandType.LONG, description="the ID of the device to map the volume to within the guest OS. " +
"If no deviceId is passed in, the next available deviceId will be chosen. " +
"Possible values for a Linux OS are:" +
"* 1 - /dev/xvdb" +
"* 2 - /dev/xvdc" +
"* 4 - /dev/xvde" +
"* 5 - /dev/xvdf" +
"* 6 - /dev/xvdg" +
"* 7 - /dev/xvdh" +
"* 8 - /dev/xvdi" +
"* 9 - /dev/xvdj")
private Long deviceId;
@IdentityMapper(entityTableName="volumes")
@Parameter(name=ApiConstants.ID, type=CommandType.LONG, required=true, description="the ID of the disk volume")
private Long id;
@IdentityMapper(entityTableName="vm_instance")
@Parameter(name=ApiConstants.VIRTUAL_MACHINE_ID, type=CommandType.LONG, required=true, description=" the ID of the virtual machine")
private Long virtualMachineId;
/////////////////////////////////////////////////////
/////////////////// Accessors ///////////////////////
/////////////////////////////////////////////////////
public Long getDeviceId() {
return deviceId;
}
public Long getId() {
return id;
}
public Long getVirtualMachineId() {
return virtualMachineId;
}
/////////////////////////////////////////////////////
/////////////// API Implementation///////////////////
/////////////////////////////////////////////////////
@Override
public String getCommandName() {
return s_name;
}
public AsyncJob.Type getInstanceType() {
return AsyncJob.Type.Volume;
}
public Long getInstanceId() {
return getId();
}
@Override
public long getEntityOwnerId() {
Volume volume = _responseGenerator.findVolumeById(getId());
if (volume == null) {
return Account.ACCOUNT_ID_SYSTEM; // bad id given, parent this command to SYSTEM so ERROR events are tracked
}
return volume.getAccountId();
}
@Override
public String getEventType() {
return EventTypes.EVENT_VOLUME_ATTACH;
}
@Override
public String getEventDescription() {
return "attaching volume: " + getId() + " to vm: " + getVirtualMachineId();
}
@Override
public void execute(){
UserContext.current().setEventDetails("Volume Id: "+getId()+" VmId: "+getVirtualMachineId());
Volume result = _userVmService.attachVolumeToVM(this);
if (result != null) {
VolumeResponse response = _responseGenerator.createVolumeResponse(result);
response.setResponseName(getCommandName());
this.setResponseObject(response);
} else {
throw new ServerApiException(BaseCmd.INTERNAL_ERROR, "Failed to attach volume");
}
}
}