92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
import logging
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import uuid
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from buildman.component.basecomponent import BaseComponent
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from buildman.component.buildcomponent import BuildComponent
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from buildman.manager.basemanager import BaseManager
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from trollius import From, Return, coroutine
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REGISTRATION_REALM = 'registration'
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RETRY_TIMEOUT = 5
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logger = logging.getLogger(__name__)
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class DynamicRegistrationComponent(BaseComponent):
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""" Component session that handles dynamic registration of the builder components. """
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def onConnect(self):
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self.join(REGISTRATION_REALM)
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def onJoin(self, details):
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logger.debug('Registering registration method')
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yield From(self.register(self._worker_register, u'io.quay.buildworker.register'))
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def _worker_register(self):
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realm = self.parent_manager.add_build_component()
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logger.debug('Registering new build component+worker with realm %s', realm)
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return realm
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def kind(self):
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return 'registration'
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class EnterpriseManager(BaseManager):
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""" Build manager implementation for the Enterprise Registry. """
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def __init__(self, *args, **kwargs):
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self.ready_components = set()
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self.all_components = set()
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self.shutting_down = False
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super(EnterpriseManager, self).__init__(*args, **kwargs)
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def initialize(self, manager_config):
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# Add a component which is used by build workers for dynamic registration. Unlike
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# production, build workers in enterprise are long-lived and register dynamically.
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self.register_component(REGISTRATION_REALM, DynamicRegistrationComponent)
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def overall_setup_time(self):
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# Builders are already registered, so the setup time should be essentially instant. We therefore
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# only return a minute here.
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return 60
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def add_build_component(self):
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""" Adds a new build component for an Enterprise Registry. """
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# Generate a new unique realm ID for the build worker.
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realm = str(uuid.uuid4())
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new_component = self.register_component(realm, BuildComponent, token="")
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self.all_components.add(new_component)
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return realm
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@coroutine
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def schedule(self, build_job):
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""" Schedules a build for an Enterprise Registry. """
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if self.shutting_down or not self.ready_components:
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raise Return(False, RETRY_TIMEOUT)
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component = self.ready_components.pop()
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yield From(component.start_build(build_job))
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raise Return(True, None)
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@coroutine
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def build_component_ready(self, build_component):
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self.ready_components.add(build_component)
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def shutdown(self):
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self.shutting_down = True
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@coroutine
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def job_completed(self, build_job, job_status, build_component):
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self.job_complete_callback(build_job, job_status)
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def build_component_disposed(self, build_component, timed_out):
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self.all_components.remove(build_component)
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if build_component in self.ready_components:
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self.ready_components.remove(build_component)
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self.unregister_component(build_component)
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def num_workers(self):
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return len(self.all_components)
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