8b4b3abdaf
The default values needed for sahara's implementation of cors middleware have been moved from paste.ini into the configuration hooks provided by oslo.config. Furthermore, these values have been added to the default initialization procedure. This ensures that if a value remains unset in the configuration file, it will fallback to using sane defaults. It also ensures that an operator modifying the configuration will be presented with that same set of defaults. Change-Id: Iedcaa002ff3d40cf61168769bc3946f8c6e42b87 Closes-Bug: 1551836
167 lines
4.9 KiB
Python
167 lines
4.9 KiB
Python
# Copyright (c) 2013 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from oslo_config import cfg
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from oslo_log import log
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from oslo_service import service as oslo_service
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from oslo_service import sslutils
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from oslo_service import wsgi as oslo_wsgi
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import stevedore
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from sahara.api import acl
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from sahara.common import config as common_config
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from sahara import config
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from sahara.i18n import _LI
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from sahara.i18n import _LW
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from sahara.plugins import base as plugins_base
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from sahara.service import api as service_api
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from sahara.service.castellan import config as castellan
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from sahara.service.edp import api as edp_api
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from sahara.service import ops as service_ops
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from sahara.service import periodic
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from sahara.utils.openstack import cinder
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from sahara.utils import remote
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from sahara.utils import rpc as messaging
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LOG = log.getLogger(__name__)
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opts = [
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cfg.StrOpt('os_region_name',
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help='Region name used to get services endpoints.'),
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cfg.StrOpt('remote',
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default='ssh',
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help='A method for Sahara to execute commands '
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'on VMs.'),
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cfg.IntOpt('api_workers', default=1,
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help="Number of workers for Sahara API service (0 means "
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"all-in-one-thread configuration)."),
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# TODO(vgridnev): Remove in N release
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cfg.StrOpt('infrastructure_engine',
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default='heat',
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help='An engine which will be used to provision '
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'infrastructure for Hadoop cluster.',
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deprecated_for_removal=True),
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]
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INFRASTRUCTURE_ENGINE = 'heat'
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CONF = cfg.CONF
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CONF.register_opts(opts)
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class SaharaWSGIService(oslo_wsgi.Server):
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def __init__(self, service_name, app):
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super(SaharaWSGIService, self).__init__(
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CONF, service_name, app, host=CONF.host, port=CONF.port,
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use_ssl=sslutils.is_enabled(CONF))
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def setup_common(possible_topdir, service_name):
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dev_conf = os.path.join(possible_topdir,
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'etc',
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'sahara',
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'sahara.conf')
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config_files = None
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if os.path.exists(dev_conf):
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config_files = [dev_conf]
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config.parse_configs(config_files)
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common_config.set_config_defaults()
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log.setup(CONF, "sahara")
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# Validate other configurations (that may produce logs) here
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cinder.validate_config()
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castellan.validate_config()
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if (service_name != 'all-in-one' or
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CONF.oslo_messaging_notifications.enable):
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messaging.setup()
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plugins_base.setup_plugins()
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LOG.info(_LI('Sahara {service} started').format(service=service_name))
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def setup_sahara_api(mode):
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ops = _get_ops_driver(mode)
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service_api.setup_service_api(ops)
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edp_api.setup_edp_api(ops)
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def setup_sahara_engine():
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periodic.setup()
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engine = _get_infrastructure_engine()
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service_ops.setup_ops(engine)
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remote_driver = _get_remote_driver()
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remote.setup_remote(remote_driver, engine)
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def setup_auth_policy():
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acl.setup_policy()
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def make_app():
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app_loader = oslo_wsgi.Loader(CONF)
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return app_loader.load_app("sahara")
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def _load_driver(namespace, name):
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extension_manager = stevedore.DriverManager(
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namespace=namespace,
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name=name,
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invoke_on_load=True
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)
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LOG.info(_LI("Driver {name} successfully loaded").format(name=name))
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return extension_manager.driver
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def _get_infrastructure_engine():
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"""Import and return one of sahara.service.*_engine.py modules."""
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if CONF.infrastructure_engine != "heat":
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LOG.warning(_LW("Engine {engine} is not supported. Loading Heat "
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"infrastructure engine instead.").format(
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engine=CONF.infrastructure_engine))
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LOG.debug("Infrastructure engine {engine} is loading".format(
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engine=INFRASTRUCTURE_ENGINE))
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return _load_driver('sahara.infrastructure.engine', INFRASTRUCTURE_ENGINE)
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def _get_remote_driver():
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LOG.debug("Remote {remote} is loading".format(remote=CONF.remote))
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return _load_driver('sahara.remote', CONF.remote)
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def _get_ops_driver(driver_name):
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LOG.debug("Ops {driver} is loading".format(driver=driver_name))
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return _load_driver('sahara.run.mode', driver_name)
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def get_process_launcher():
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return oslo_service.ProcessLauncher(CONF)
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def launch_api_service(launcher, service):
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launcher.launch_service(service, workers=CONF.api_workers)
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service.start()
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launcher.wait()
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