145 lines
4.9 KiB
Python
145 lines
4.9 KiB
Python
# Copyright 2017 Red Hat, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import json
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import logging
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import requests
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from six.moves.urllib import parse
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from sushy import exceptions
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LOG = logging.getLogger(__name__)
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class Connector(object):
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def __init__(self, url, username=None, password=None, verify=True):
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self._url = url
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self._session = requests.Session()
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self._session.verify = verify
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if username and password:
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self._session.auth = (username, password)
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def close(self):
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"""Close this connector and the associated HTTP session."""
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self._session.close()
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def _op(self, method, path='', data=None, headers=None):
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"""Generic RESTful request handler.
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:param method: The HTTP method to be used, e.g: GET, POST,
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PUT, PATCH, etc...
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:param path: The sub-URI path to the resource.
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:param data: Optional JSON data.
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:param headers: Optional dictionary of headers.
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:returns: The response object from the requests library.
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:raises: ConnectionError
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:raises: HTTPError
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"""
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if headers is None:
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headers = {}
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if data is not None:
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data = json.dumps(data)
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headers['Content-Type'] = 'application/json'
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url = parse.urljoin(self._url, path)
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# TODO(lucasagomes): We should mask the data to remove sensitive
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# information
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LOG.debug('HTTP request: %(method)s %(url)s; '
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'headers: %(headers)s; body: %(data)s',
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{'method': method, 'url': url, 'headers': headers,
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'data': data})
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try:
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response = self._session.request(method, url, data=data,
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headers=headers)
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except requests.ConnectionError as e:
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raise exceptions.ConnectionError(url=url, error=e)
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exceptions.raise_for_response(method, url, response)
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LOG.debug('HTTP response for %(method)s %(url)s: '
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'status code: %(code)s',
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{'method': method, 'url': url,
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'code': response.status_code})
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return response
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def get(self, path='', data=None, headers=None):
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"""HTTP GET method.
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:param path: Optional sub-URI path to the resource.
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:param data: Optional JSON data.
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:param headers: Optional dictionary of headers.
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:returns: The response object from the requests library.
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:raises: ConnectionError
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:raises: HTTPError
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"""
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return self._op('GET', path, data, headers)
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def post(self, path='', data=None, headers=None):
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"""HTTP POST method.
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:param path: Optional sub-URI path to the resource.
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:param data: Optional JSON data.
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:param headers: Optional dictionary of headers.
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:returns: The response object from the requests library.
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:raises: ConnectionError
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:raises: HTTPError
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"""
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return self._op('POST', path, data, headers)
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def patch(self, path='', data=None, headers=None):
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"""HTTP PATCH method.
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:param path: Optional sub-URI path to the resource.
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:param data: Optional JSON data.
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:param headers: Optional dictionary of headers.
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:returns: The response object from the requests library.
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:raises: ConnectionError
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:raises: HTTPError
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"""
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return self._op('PATCH', path, data, headers)
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def put(self, path='', data=None, headers=None):
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"""HTTP PUT method.
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:param path: Optional sub-URI path to the resource.
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:param data: Optional JSON data.
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:param headers: Optional dictionary of headers.
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:returns: The response object from the requests library.
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:raises: ConnectionError
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:raises: HTTPError
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"""
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return self._op('PUT', path, data, headers)
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def delete(self, path='', data=None, headers=None):
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"""HTTP DELETE method.
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:param path: Optional sub-URI path to the resource.
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:param data: Optional JSON data.
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:param headers: Optional dictionary of headers.
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:returns: The response object from the requests library.
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:raises: ConnectionError
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:raises: HTTPError
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"""
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return self._op('DELETE', path, data, headers)
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def __enter__(self):
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return self
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def __exit__(self, *_args):
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self.close()
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