Comment exceptions

class CCNodeError(Exception):

    """Base exception class for cc-node."""

    pass

class PluginError(CCNodeError):

    """Exception related to plugin execution."""

    pass

class UndefinedDomain(CCNodeError):

    """Operation on a domain that does not exist was tried."""

    pass

class PoolStorageError(CCNodeError):

    """Pool or volume was not found."""

    pass

class TunnelError(CCNodeError):

    """Error occured during TunnelJob execution."""

    pass

class DRBDError(CCNodeError):

    """Error occured during DRBDJob execution."""

    pass

class ConsoleAlreadyOpened(CCNodeError):

    """VM virtio console is already opened."""

    pass

class VMMigrationError(CCNodeError):

    """Error during live migration job."""

    pass

class JobError(CCNodeError):

    """General exception for a job."""

    pass