Base conductor manager functionality.
None
Bases: object
BaseConductorManager.
init_host
(admin_context=None)[source]¶Initialize the conductor host.
Parameters: | admin_context – the admin context to pass to periodic tasks. |
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Raises: | RuntimeError when conductor is already running. |
Raises: | NoDriversLoaded when no drivers are enabled on the conductor. |
Raises: | DriverNotFound if a driver is enabled that does not exist. |
Raises: | DriverLoadError if an enabled driver cannot be loaded. |
Raises: | DriverNameConflict if a classic driver and a dynamic driver are both enabled and have the same name. |
BaseConductorManager.
iter_nodes
(fields=None, **kwargs)[source]¶Iterate over nodes mapped to this conductor.
Requests node set from and filters out nodes that are not mapped to this conductor.
Yields tuples (node_uuid, driver, conductor_group, …) where … is derived from fields argument, e.g.: fields=None means yielding (‘uuid’, ‘driver’, ‘conductor_group’), fields=[‘foo’] means yielding (‘uuid’, ‘driver’, ‘conductor_group’, ‘foo’).
Parameters: |
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Returns: | generator yielding tuples of requested fields |
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