The cinder.service
Module¶
Generic Node base class for all workers that run on hosts.
-
class
Launcher
¶ Bases:
object
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class
Service
(host, binary, topic, manager, report_interval=None, periodic_interval=None, periodic_fuzzy_delay=None, service_name=None, coordination=False, cluster=None, *args, **kwargs)¶ Bases:
oslo_service.service.Service
Service object for binaries running on hosts.
A service takes a manager and enables rpc by listening to queues based on topic. It also periodically runs tasks on the manager and reports it state to the database services table.
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basic_config_check
()¶ Perform basic config checks before starting service.
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classmethod
create
(host=None, binary=None, topic=None, manager=None, report_interval=None, periodic_interval=None, periodic_fuzzy_delay=None, service_name=None, coordination=False, cluster=None)¶ Instantiates class and passes back application object.
Parameters: - host – defaults to CONF.host
- binary – defaults to basename of executable
- topic – defaults to bin_name - ‘cinder-‘ part
- manager – defaults to CONF.<topic>_manager
- report_interval – defaults to CONF.report_interval
- periodic_interval – defaults to CONF.periodic_interval
- periodic_fuzzy_delay – defaults to CONF.periodic_fuzzy_delay
- cluster – Defaults to None, as only some services will have it
-
static
is_svc_upgrading_to_n
(binary)¶ Given an RPC API class determine if the service is upgrading.
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periodic_tasks
(raise_on_error=False)¶ Tasks to be run at a periodic interval.
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report_state
()¶ Update the state of this service in the datastore.
-
reset
()¶
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service_id
= None¶
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start
()¶
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stop
()¶
-
wait
()¶
-
-
class
WSGIService
(name, loader=None)¶ Bases:
oslo_service.service.ServiceBase
Provides ability to launch API from a ‘paste’ configuration.
-
reset
()¶ Reset server greenpool size to default.
Returns: None
-
start
()¶ Start serving this service using loaded configuration.
Also, retrieve updated port number in case ‘0’ was passed in, which indicates a random port should be used.
Returns: None
-
stop
()¶ Stop serving this API.
Returns: None
-
wait
()¶ Wait for the service to stop serving this API.
Returns: None
-
-
get_launcher
()¶
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process_launcher
()¶
-
serve
(server, workers=None)¶
-
setup_profiler
(binary, host)¶
-
wait
()¶