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OpenStack Study: appserver.py

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**** CubicPower OpenStack Study ****

# Copyright 2013 OpenStack Foundation

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or

# implied.

# See the License for the specific language governing permissions and

# limitations under the License.

from __future__ import absolute_import

import fixtures

from paste import deploy

from keystone.common import environment

from keystone import config

CONF = config.CONF

MAIN = 'main'

ADMIN = 'admin'

**** CubicPower OpenStack Study ****

class AppServer(fixtures.Fixture):

"""A fixture for managing an application server instance.

"""

**** CubicPower OpenStack Study ****

    def __init__(self, config, name, cert=None, key=None, ca=None,

                 cert_required=False, host='127.0.0.1', port=0):

        super(AppServer, self).__init__()

        self.config = config

        self.name = name

        self.cert = cert

        self.key = key

        self.ca = ca

        self.cert_required = cert_required

        self.host = host

        self.port = port

**** CubicPower OpenStack Study ****

    def setUp(self):

        super(AppServer, self).setUp()

        app = deploy.loadapp(self.config, name=self.name)

        self.server = environment.Server(app, self.host, self.port)

        self._setup_SSL_if_requested()

        self.server.start(key='socket')

        # some tests need to know the port we ran on.

        self.port = self.server.socket_info['socket'][1]

        self._update_config_opt()

        self.addCleanup(self.server.kill)

**** CubicPower OpenStack Study ****

    def _setup_SSL_if_requested(self):

        # TODO(dstanek): fix environment.Server to take a SSLOpts instance

        # so that the params are either always set or not

        if (self.cert is not None and

                self.ca is not None and

                self.key is not None):

            self.server.set_ssl(certfile=self.cert,

                                keyfile=self.key,

                                ca_certs=self.ca,

                                cert_required=self.cert_required)

**** CubicPower OpenStack Study ****

    def _update_config_opt(self):

        """Updates the config with the actual port used."""

        opt_name = self._get_config_option_for_section_name()

        CONF.set_override(opt_name, self.port)

**** CubicPower OpenStack Study ****

    def _get_config_option_for_section_name(self):

        """Maps Paster config section names to port option names."""

        return {'admin': 'admin_port', 'main': 'public_port'}[self.name]