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# Copyright 2012 OpenStack Foundation
# All Rights Reserved.
#
# 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 logging
import os
from keystoneauth1 import adapter
from keystoneauth1.identity import v3
from keystoneauth1 import session as ks_session
from oslo_utils import importutils
import requests
from adjutantclient._i18n import _
from adjutantclient import exc
LOG = logging.getLogger(__name__)
USER_AGENT = 'python-adjutantclient'
CHUNKSIZE = 1024 * 64 # 64kB
SENSITIVE_HEADERS = ('X-Auth-Token',)
osprofiler_web = importutils.try_import("osprofiler.web")
def get_response_body(resp):
body = resp.content
if 'application/json' in resp.headers.get('content-type', ''):
try:
body = resp.json()
except ValueError:
LOG.error('Could not decode response body as JSON')
else:
body = None
return body
def get_system_ca_file():
"""Return path to system default CA file."""
# Standard CA file locations for Debian/Ubuntu, RedHat/Fedora,
# Suse, FreeBSD/OpenBSD, MacOSX, and the bundled ca
ca_path = ['/etc/ssl/certs/ca-certificates.crt',
'/etc/pki/tls/certs/ca-bundle.crt',
'/etc/ssl/ca-bundle.pem',
'/etc/ssl/cert.pem',
'/System/Library/OpenSSL/certs/cacert.pem',
requests.certs.where()]
for ca in ca_path:
LOG.debug("Looking for ca file %s", ca)
if os.path.exists(ca):
LOG.debug("Using ca file %s", ca)
return ca
LOG.warning("System ca file could not be found.")
class SessionClient(adapter.LegacyJsonAdapter):
"""HTTP client based on Keystone client session."""
def request(self, url, method, **kwargs):
redirect = kwargs.get('redirect')
kwargs.setdefault('user_agent', USER_AGENT)
if 'data' in kwargs:
kwargs['json'] = kwargs.pop('data')
resp, body = super(SessionClient, self).request(
url, method,
raise_exc=False,
**kwargs)
if 400 <= resp.status_code < 600:
raise exc.from_response(resp)
elif resp.status_code in (301, 302, 305):
if redirect:
location = resp.headers.get('location')
path = self.strip_endpoint(location)
resp = self.request(path, method, **kwargs)
elif resp.status_code == 300:
raise exc.from_response(resp)
return resp
def credentials_headers(self):
return {}
def strip_endpoint(self, location):
if location is None:
message = _("Location not returned with 302")
raise exc.InvalidEndpoint(message=message)
if (self.endpoint_override is not None and
location.lower().startswith(self.endpoint_override.lower())):
return location[len(self.endpoint_override):]
else:
return location
def _construct_http_client(endpoint=None, username=None, password=None,
include_pass=None, endpoint_type=None,
auth_url=None, **kwargs):
session = kwargs.pop('session', None)
auth = kwargs.pop('auth', None)
if not session:
if not auth and password:
auth = v3.Password(auth_url=auth_url,
username=username,
password=password,
**kwargs)
kwargs.pop('project_id', None)
kwargs.pop('project_name', None)
kwargs.pop('domain_id', None)
kwargs.pop('domain_name', None)
kwargs.pop('project_domain_id', None)
kwargs.pop('project_domain_name', None)
kwargs.pop('user_domain_id', None)
kwargs.pop('user_domain_name', None)
ca_path = kwargs.get('ca_file') or get_system_ca_file()
session = ks_session.Session(auth=auth,
verify=ca_path)
if 'endpoint_override' not in kwargs and endpoint:
kwargs['endpoint_override'] = endpoint
if 'service_type' not in kwargs:
kwargs['service_type'] = 'admin-logic'
if 'interface' not in kwargs and endpoint_type:
kwargs['interface'] = endpoint_type
return SessionClient(session, auth=auth, **kwargs)
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