e3ff97ffa0
Nailgun already contains keystone middleware in the API. Change-Id: Id2916289d9578b316dabf75755bb1f721dfa5203
88 lines
2.6 KiB
Python
88 lines
2.6 KiB
Python
# 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 __future__ import absolute_import
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import itertools
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import threading
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from nailgun.db import sqlalchemy as nailgun_sa
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from nailgun import extensions
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import web
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import tuning_box
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from tuning_box import app as tb_app
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from tuning_box import db as tb_db
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class App2WebPy(web.application):
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def __init__(self):
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web.application.__init__(self)
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self.__name__ = self
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self.app = None
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self.lock = threading.Lock()
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def create_app(self):
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raise NotImplementedError
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def get_app(self):
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with self.lock:
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if not self.app:
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self.app = self.create_app()
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return self.app
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def handle(self):
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written_data = []
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def write(data):
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assert start_response.called
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written_data.append(data)
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def start_response(status, headers, exc_info=None):
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assert not start_response.called
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assert not exc_info
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start_response.called = True
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web.ctx.status = status
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web.ctx.headers.extend(headers)
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return write
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start_response.called = False
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app = self.get_app()
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environ = dict(web.ctx.environ)
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environ["SCRIPT_NAME"] = environ["PATH_INFO"][:-len(web.ctx.path)]
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environ["PATH_INFO"] = environ["REQUEST_URI"] = web.ctx.path
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result = app(environ, start_response)
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return itertools.chain(written_data, result)
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class TB2WebPy(App2WebPy):
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def create_app(self):
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# Nailgun API already contains keystone middleware
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app = tb_app.build_app(with_keystone=False)
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tb_db.prefix_tables(tb_db, Extension.table_prefix())
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app.config["PROPAGATE_EXCEPTIONS"] = True
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app.config["SQLALCHEMY_DATABASE_URI"] = nailgun_sa.db_str
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return app
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class Extension(extensions.BaseExtension):
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name = 'tuning_box'
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version = tuning_box.__version__
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description = 'Plug tuning_box endpoints into Nailgun itself'
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urls = [{'uri': '/config', 'handler': TB2WebPy()}]
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@classmethod
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def alembic_migrations_path(cls):
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return tuning_box.get_migrations_dir()
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