136 lines
4.3 KiB
Python
136 lines
4.3 KiB
Python
# Copyright (c) 2014 ITOCHU Techno-Solutions Corporation.
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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 json
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import logging
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import requests
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from rackclient import exceptions
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from rackclient.openstack.common import importutils
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class HTTPClient(object):
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def __init__(self, rack_url=None, http_log_debug=False):
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self.rack_url = rack_url.rstrip('/')
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self.http_log_debug = http_log_debug
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self._logger = logging.getLogger(__name__)
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if self.http_log_debug and not self._logger.handlers:
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ch = logging.StreamHandler()
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self._logger.addHandler(ch)
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self._logger.propagate = False
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def http_log_req(self, method, url, kwargs):
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if not self.http_log_debug:
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return
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string_parts = ['curl -i']
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string_parts.append(" '%s'" % url)
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string_parts.append(' -X %s' % method)
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headers = copy.deepcopy(kwargs['headers'])
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keys = sorted(headers.keys())
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for name in keys:
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value = headers[name]
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header = ' -H "%s: %s"' % (name, value)
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string_parts.append(header)
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if 'data' in kwargs:
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data = json.loads(kwargs['data'])
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string_parts.append(" -d '%s'" % json.dumps(data))
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self._logger.debug("REQ: %s" % "".join(string_parts))
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def http_log_resp(self, resp):
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if not self.http_log_debug:
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return
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if resp.text and resp.status_code != 400:
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try:
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body = json.loads(resp.text)
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except ValueError:
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body = None
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else:
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body = None
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self._logger.debug("RESP: [%(status)s] %(headers)s\nRESP BODY: "
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"%(text)s\n", {'status': resp.status_code,
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'headers': resp.headers,
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'text': json.dumps(body)})
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def request(self, url, method, **kwargs):
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kwargs.setdefault('headers', {})
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kwargs['headers']['User-Agent'] = 'python-rackclient'
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kwargs['headers']['Accept'] = 'application/json'
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if 'body' in kwargs:
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kwargs['headers']['Content-Type'] = 'application/json'
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kwargs['data'] = json.dumps(kwargs['body'])
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del kwargs['body']
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url = self.rack_url + url
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self.http_log_req(method, url, kwargs)
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request_func = requests.request
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resp = request_func(
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method,
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url,
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**kwargs)
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self.http_log_resp(resp)
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if resp.text:
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try:
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body = json.loads(resp.text)
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except ValueError:
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body = None
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else:
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body = None
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if resp.status_code >= 400:
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raise exceptions.from_response(resp, body, url, method)
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return resp, body
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def get(self, url, **kwargs):
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return self.request(url, 'GET', **kwargs)
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def post(self, url, **kwargs):
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return self.request(url, 'POST', **kwargs)
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def put(self, url, **kwargs):
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return self.request(url, 'PUT', **kwargs)
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def delete(self, url, **kwargs):
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return self.request(url, 'DELETE', **kwargs)
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def get_client_class(version):
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version_map = {
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'1': 'rackclient.v1.client.Client',
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}
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try:
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client_path = version_map[str(version)]
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except (KeyError, ValueError):
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msg = ("Invalid client version '%(version)s'. must be one of: "
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"%(keys)s") % {'version': version,
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'keys': ', '.join(version_map.keys())}
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raise exceptions.UnsupportedVersion(msg)
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return importutils.import_class(client_path)
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def Client(version, *args, **kwargs):
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client_class = get_client_class(version)
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return client_class(*args, **kwargs)
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