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Diffstat (limited to 'keystone-moon/keystone/common/environment/__init__.py')
| -rw-r--r-- | keystone-moon/keystone/common/environment/__init__.py | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/keystone-moon/keystone/common/environment/__init__.py b/keystone-moon/keystone/common/environment/__init__.py deleted file mode 100644 index 6748f115..00000000 --- a/keystone-moon/keystone/common/environment/__init__.py +++ /dev/null @@ -1,102 +0,0 @@ -# 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. - -import functools -import os - -from oslo_log import log - - -LOG = log.getLogger(__name__) - - -__all__ = ('Server', 'httplib', 'subprocess') - -_configured = False - -Server = None -httplib = None -subprocess = None - - -def configure_once(name): - """Ensure that environment configuration is only run once. - - If environment is reconfigured in the same way then it is ignored. - It is an error to attempt to reconfigure environment in a different way. - """ - def decorator(func): - @functools.wraps(func) - def wrapper(*args, **kwargs): - global _configured - if _configured: - if _configured == name: - return - else: - raise SystemError("Environment has already been " - "configured as %s" % _configured) - - LOG.debug("Environment configured as: %s", name) - _configured = name - return func(*args, **kwargs) - - return wrapper - return decorator - - -@configure_once('eventlet') -def use_eventlet(monkeypatch_thread=None): - global httplib, subprocess, Server - - # This must be set before the initial import of eventlet because if - # dnspython is present in your environment then eventlet monkeypatches - # socket.getaddrinfo() with an implementation which doesn't work for IPv6. - os.environ['EVENTLET_NO_GREENDNS'] = 'yes' - - import eventlet - from eventlet.green import httplib as _httplib - from eventlet.green import subprocess as _subprocess - - from keystone.common.environment import eventlet_server - - if monkeypatch_thread is None: - monkeypatch_thread = not os.getenv('STANDARD_THREADS') - - # Raise the default from 8192 to accommodate large tokens - eventlet.wsgi.MAX_HEADER_LINE = 16384 - - # NOTE(ldbragst): Explicitly declare what should be monkey patched and - # what shouldn't. Doing this allows for more readable code when - # understanding Eventlet in Keystone. The following is a complete list - # of what is monkey patched instead of passing all=False and then passing - # module=True to monkey patch a specific module. - eventlet.patcher.monkey_patch(os=False, select=True, socket=True, - thread=monkeypatch_thread, time=True, - psycopg=False, MySQLdb=False) - - Server = eventlet_server.Server - httplib = _httplib - subprocess = _subprocess - - -@configure_once('stdlib') -def use_stdlib(): - global httplib, subprocess - - import six.moves.http_client as _httplib - import subprocess as _subprocess # nosec : This is used in .federation.idp - # and .common.openssl. See there. - - httplib = _httplib - subprocess = _subprocess |