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Moving the call to getDeviceId(long, long) avoids a race condition when two volumes are being attached to a VM at the same time

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This commit is contained in:
Mike Tutkowski 2015-01-24 00:06:37 -07:00
parent 7ef122dcc9
commit e5ffcab09d
1 changed files with 3 additions and 1 deletions
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4
server/src/com/cloud/storage/VolumeApiServiceImpl.java
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@ -1303,7 +1303,6 @@ public class VolumeApiServiceImpl extends ManagerBase implements VolumeApiServic
throw new InvalidParameterValueException("The specified VM already has the maximum number of data disks (" + maxDataVolumesSupported + "). Please specify another VM.");
}
}
deviceId = getDeviceId(vmId, deviceId);
// If local storage is disabled then attaching a volume with local disk
// offering not allowed
@ -2300,6 +2299,9 @@ public class VolumeApiServiceImpl extends ManagerBase implements VolumeApiServic
}
DataTO volTO = volFactory.getVolume(volumeToAttach.getId()).getTO();
deviceId = getDeviceId(vm.getId(), deviceId);
DiskTO disk = new DiskTO(volTO, deviceId, volumeToAttach.getPath(), volumeToAttach.getVolumeType());
AttachCommand cmd = new AttachCommand(disk, vm.getInstanceName());