¡@

OpenStack Study: core.py

OpenStack Index

**** CubicPower OpenStack Study ****

# 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 webob.dec

from keystone.common import wsgi

from keystone import config

from keystone.openstack.common import log

from keystone.openstack.common import timeutils

from keystone.openstack.common import versionutils

CONF = config.CONF

LOG = log.getLogger('access')

APACHE_TIME_FORMAT = '%d/%b/%Y:%H:%M:%S'

APACHE_LOG_FORMAT = (

'%(remote_addr)s - %(remote_user)s [%(datetime)s] "%(method)s %(url)s '

'%(http_version)s" %(status)s %(content_length)s')

**** CubicPower OpenStack Study ****

class AccessLogMiddleware(wsgi.Middleware):

"""Writes an access log to INFO."""

@versionutils.deprecated(

what='keystone.contrib.access.core.AccessLogMiddleware',

as_of=versionutils.deprecated.ICEHOUSE,

in_favor_of='eventlet debug access log or httpd access log',

remove_in=+2)

**** CubicPower OpenStack Study ****

def __init__(self, *args, **kwargs):

super(AccessLogMiddleware, self).__init__(*args, **kwargs)

@webob.dec.wsgify

**** CubicPower OpenStack Study ****

def __call__(self, request):

data = {

'remote_addr': request.remote_addr,

'remote_user': request.remote_user or '-',

'method': request.method,

'url': request.url,

'http_version': request.http_version,

'status': 500,

'content_length': '-'}

try:

response = request.get_response(self.application)

data['status'] = response.status_int

data['content_length'] = len(response.body) or '-'

finally:

# must be calculated *after* the application has been called

now = timeutils.utcnow()

# timeutils may not return UTC, so we can't hardcode +0000

data['datetime'] = '%s %s' % (now.strftime(APACHE_TIME_FORMAT),

now.strftime('%z') or '+0000')

LOG.info(APACHE_LOG_FORMAT, data)

return response