10a96948fc
- Added global CLI arguments - Added translation - Added exceptions - Added basic client skeleton - Added OpenStack common modules - Added Kingbird http client This commit adds common routines that will be used by the client. The modules are generic and are used by other openstack clients Change-Id: I54737e2a30f94fe935794f619bfbac5889b0a1b2
116 lines
3.5 KiB
Python
116 lines
3.5 KiB
Python
# Copyright 2013 - Mirantis, Inc.
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# Copyright 2016 - StackStorm, Inc.
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# Copyright 2016 - Ericsson AB.
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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 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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import copy
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import os
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import requests
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import logging
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import osprofiler.web
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LOG = logging.getLogger(__name__)
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def log_request(func):
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def decorator(self, *args, **kwargs):
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resp = func(self, *args, **kwargs)
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LOG.debug("HTTP %s %s %d" % (resp.request.method, resp.url,
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resp.status_code))
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return resp
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return decorator
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class HTTPClient(object):
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def __init__(self, base_url, token=None, project_id=None, user_id=None,
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cacert=None, insecure=False):
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self.base_url = base_url
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self.token = token
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self.project_id = project_id
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self.user_id = user_id
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self.ssl_options = {}
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if self.base_url.startswith('https'):
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if cacert and not os.path.exists(cacert):
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raise ValueError('Unable to locate cacert file '
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'at %s.' % cacert)
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if cacert and insecure:
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LOG.warning('Client is set to not verify even though '
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'cacert is provided.')
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self.ssl_options['verify'] = not insecure
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self.ssl_options['cert'] = cacert
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@log_request
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def get(self, url, headers=None):
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options = self._get_request_options('get', headers)
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return requests.get(self.base_url + url, **options)
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@log_request
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def post(self, url, body, headers=None):
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options = self._get_request_options('post', headers)
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return requests.post(self.base_url + url, body, **options)
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@log_request
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def put(self, url, body, headers=None):
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options = self._get_request_options('put', headers)
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return requests.put(self.base_url + url, body, **options)
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@log_request
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def delete(self, url, headers=None):
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options = self._get_request_options('delete', headers)
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return requests.delete(self.base_url + url, **options)
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def _get_request_options(self, method, headers):
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headers = self._update_headers(headers)
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if method in ['post', 'put']:
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content_type = headers.get('content-type', 'application/json')
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headers['content-type'] = content_type
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options = copy.deepcopy(self.ssl_options)
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options['headers'] = headers
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return options
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def _update_headers(self, headers):
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if not headers:
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headers = {}
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token = headers.get('x-auth-token', self.token)
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if token:
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headers['x-auth-token'] = token
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project_id = headers.get('X-Project-Id', self.project_id)
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if project_id:
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headers['X-Project-Id'] = project_id
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user_id = headers.get('X-User-Id', self.user_id)
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if user_id:
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headers['X-User-Id'] = user_id
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# Add headers for osprofiler.
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headers.update(osprofiler.web.get_trace_id_headers())
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return headers
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