Package org.apache.cloudstack.api.command.user.volume

Source Code of org.apache.cloudstack.api.command.user.volume.AttachVolumeCmd

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cloudstack.api.command.user.volume;

import org.apache.cloudstack.api.BaseAsyncCmd;
import org.apache.log4j.Logger;

import org.apache.cloudstack.acl.SecurityChecker.AccessType;
import org.apache.cloudstack.api.ACL;
import org.apache.cloudstack.api.APICommand;
import org.apache.cloudstack.api.ApiCommandJobType;
import org.apache.cloudstack.api.ApiConstants;
import org.apache.cloudstack.api.ApiErrorCode;
import org.apache.cloudstack.api.Parameter;
import org.apache.cloudstack.api.ResponseObject.ResponseView;
import org.apache.cloudstack.api.ServerApiException;
import org.apache.cloudstack.api.response.UserVmResponse;
import org.apache.cloudstack.api.response.VolumeResponse;
import org.apache.cloudstack.context.CallContext;

import com.cloud.event.EventTypes;
import com.cloud.storage.Volume;
import com.cloud.user.Account;
import com.cloud.vm.VirtualMachine;

@APICommand(name = "attachVolume", description = "Attaches a disk volume to a virtual machine.", responseObject = VolumeResponse.class, responseView = ResponseView.Restricted, entityType = {VirtualMachine.class},
        requestHasSensitiveInfo = false, responseHasSensitiveInfo = false)
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;

    @Parameter(name = ApiConstants.ID, type = CommandType.UUID, entityType = VolumeResponse.class, required = true, description = "the ID of the disk volume")
    private Long id;

    @ACL(accessType = AccessType.OperateEntry)
    @Parameter(name=ApiConstants.VIRTUAL_MACHINE_ID, type=CommandType.UUID, entityType=UserVmResponse.class,
            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;
    }

    @Override
    public ApiCommandJobType getInstanceType() {
        return ApiCommandJobType.Volume;
    }

    @Override
    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() {
        CallContext.current().setEventDetails("Volume Id: " + getId() + " VmId: " + getVirtualMachineId());
        Volume result = _volumeService.attachVolumeToVM(this);
        if (result != null) {
            VolumeResponse response = _responseGenerator.createVolumeResponse(ResponseView.Restricted, result);
            response.setResponseName(getCommandName());
            setResponseObject(response);
        } else {
            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to attach volume");
        }
    }
}
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