Generic Node base class for all workers that run on hosts.
Launcher
¶Bases: object
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.
basic_config_check
()¶Perform basic config checks before starting service.
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, **kwargs)¶Instantiates class and passes back application object.
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
periodic_tasks
(raise_on_error=False)¶Tasks to be run at a periodic interval.
report_state
()¶Update the state of this service in the datastore.
reset
()¶Reset a service in case it received a SIGHUP.
service_id
= None¶start
()¶Start a service.
stop
()¶Stop a service.
graceful – indicates whether to wait for all threads to finish or terminate them instantly
wait
()¶Wait for a service to shut down.
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.
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.
None
stop
()¶Stop serving this API.
None
wait
()¶Wait for the service to stop serving this API.
None
get_launcher
()¶process_launcher
()¶serve
(server, workers=None)¶setup_profiler
(binary, host)¶wait
()¶Except where otherwise noted, this document is licensed under Creative Commons Attribution 3.0 License. See all OpenStack Legal Documents.