111 lines
3.2 KiB
Python
111 lines
3.2 KiB
Python
# Copyright (c) 2013-2015 Rackspace, 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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"""
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API application handler for Barbican
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"""
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import os
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from paste import deploy
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import pecan
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try:
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import newrelic.agent
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newrelic_loaded = True
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except ImportError:
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newrelic_loaded = False
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from oslo_log import log
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from barbican.api.controllers import versions
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from barbican.api import hooks
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from barbican.common import config
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from barbican.model import repositories
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from barbican import queue
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CONF = config.CONF
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if newrelic_loaded:
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newrelic.agent.initialize(
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os.environ.get('NEW_RELIC_CONFIG_FILE', '/etc/newrelic/newrelic.ini'),
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os.environ.get('NEW_RELIC_ENVIRONMENT')
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)
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def build_wsgi_app(controller=None, transactional=False):
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"""WSGI application creation helper
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:param controller: Overrides default application controller
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:param transactional: Adds transaction hook for all requests
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"""
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request_hooks = [hooks.JSONErrorHook()]
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if transactional:
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request_hooks.append(hooks.BarbicanTransactionHook())
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if newrelic_loaded:
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request_hooks.insert(0, hooks.NewRelicHook())
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# Create WSGI app
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wsgi_app = pecan.Pecan(
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controller or versions.AVAILABLE_VERSIONS[versions.DEFAULT_VERSION](),
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hooks=request_hooks,
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force_canonical=False
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)
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# clear the session created in controller initialization 60
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repositories.clear()
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return wsgi_app
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def main_app(func):
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def _wrapper(global_config, **local_conf):
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# Queuing initialization
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queue.init(CONF, is_server_side=False)
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# Configure oslo logging and configuration services.
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log.setup(CONF, 'barbican')
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config.setup_remote_pydev_debug()
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# Initializing the database engine and session factory before the app
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# starts ensures we don't lose requests due to lazy initialization of
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# db connections.
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repositories.setup_database_engine_and_factory()
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wsgi_app = func(global_config, **local_conf)
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if newrelic_loaded:
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wsgi_app = newrelic.agent.WSGIApplicationWrapper(wsgi_app)
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LOG = log.getLogger(__name__)
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LOG.info('Barbican app created and initialized')
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return wsgi_app
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return _wrapper
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@main_app
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def create_main_app(global_config, **local_conf):
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"""uWSGI factory method for the Barbican-API application."""
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# Setup app with transactional hook enabled
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return build_wsgi_app(versions.V1Controller(), transactional=True)
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def create_version_app(global_config, **local_conf):
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wsgi_app = pecan.make_app(versions.VersionsController())
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return wsgi_app
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def get_api_wsgi_script():
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conf = '/etc/barbican/barbican-api-paste.ini'
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application = deploy.loadapp('config:%s' % conf)
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return application
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