1b4e1da872
Constructors responsible for preparing worker with executor to be run by runner Runner acts like a supervisor for executor/executors, in a simplest scenario it just runs executor in the same thread Related to blueprint stevedorize-orchestration Change-Id: If37c3f6be340b7108ac5d672110071238059bd95
97 lines
2.5 KiB
Python
97 lines
2.5 KiB
Python
# Copyright 2015 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from functools import partial
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from stevedore import driver
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from stevedore import extension
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from solar.config import C
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from solar.orchestration.executors import Client
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def client(address):
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return Client(address)
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tasks_client = partial(client, C.tasks_address)
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scheduler_client = partial(client, C.scheduler_address)
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system_log_client = partial(client, C.system_log_address)
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def get_driver(extension, implementation):
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mgr = driver.DriverManager(
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namespace='solar.orchestration.drivers.%s' % extension,
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name=implementation,
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invoke_on_load=False,
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)
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return mgr.driver
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def tasks(clients):
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return get_driver('tasks', C.tasks_driver)()
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def scheduler(clients):
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return get_driver('scheduler', C.scheduler_driver)(clients['tasks'])
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def system_log(clients):
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return get_driver('system_log', C.system_log_driver)()
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class GetObjExtensionManager(extension.ExtensionManager):
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def __getitem__(self, name):
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ext = super(GetObjExtensionManager, self).__getitem__(name)
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return ext.obj
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def get_clients():
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return GetObjExtensionManager(
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namespace='solar.orchestration.extensions_clients',
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invoke_on_load=True)
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def get_client(name):
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return get_clients()[name]
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def get_extensions(clients):
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ext = GetObjExtensionManager(
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namespace='solar.orchestration.extensions',
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invoke_on_load=True,
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invoke_args=(clients,))
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return ext
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def load_contruct_hooks(name, extensions, clients):
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extension.ExtensionManager(
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namespace='solar.orchestration.hooks.{}.construct'.format(name),
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invoke_on_load=True,
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invoke_args=(extensions[name], clients))
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def get_runner(name):
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return driver.DriverManager(
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namespace='solar.orchestration.runners',
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name=name,
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invoke_on_load=False)
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def get_constructors():
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return extension.ExtensionManager(
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namespace='solar.orchestration.constructors',
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invoke_on_load=False)
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