The cinder.scheduler.driver Module

Scheduler base class that all Schedulers should inherit from

class Scheduler

Bases: object

The base class that all Scheduler classes should inherit from.

get_host_list()

Get a list of hosts from the HostManager.

get_service_capabilities()

Get the normalized set of capabilities for the services.

hosts_up(context, topic)

Return the list of hosts that have a running service for topic.

schedule(context, topic, method, *_args, **_kwargs)

Must override schedule method for scheduler to work.

schedule_create_volume(context, request_spec, filter_properties)

Must override schedule method for scheduler to work.

update_service_capabilities(service_name, host, capabilities)

Process a capability update from a service node.

volume_update_db(context, volume_id, host)

Set the host and set the scheduled_at field of a volume.

Returns:A Volume with the updated fields set properly.