/usr/share/pyshared/keystoneclient/client.py is in python-keystoneclient 2012.1-3+deb7u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | # Copyright 2010 Jacob Kaplan-Moss
# Copyright 2011 OpenStack LLC.
# Copyright 2011 Piston Cloud Computing, Inc.
# Copyright 2011 Nebula, Inc.
# All Rights Reserved.
"""
OpenStack Client interface. Handles the REST calls and responses.
"""
import copy
import logging
import os
import time
import urllib
import urlparse
import httplib2
try:
import json
except ImportError:
import simplejson as json
# Python 2.5 compat fix
if not hasattr(urlparse, 'parse_qsl'):
import cgi
urlparse.parse_qsl = cgi.parse_qsl
from keystoneclient import exceptions
_logger = logging.getLogger(__name__)
class HTTPClient(httplib2.Http):
USER_AGENT = 'python-keystoneclient'
def __init__(self, username=None, tenant_id=None, tenant_name=None,
password=None, auth_url=None, region_name=None, timeout=None,
endpoint=None, token=None):
super(HTTPClient, self).__init__(timeout=timeout)
self.username = username
self.tenant_id = tenant_id
self.tenant_name = tenant_name
self.password = password
self.auth_url = auth_url.rstrip('/') if auth_url else None
self.version = 'v2.0'
self.region_name = region_name
self.auth_token = token
self.management_url = endpoint
# httplib2 overrides
self.force_exception_to_status_code = True
def authenticate(self):
""" Authenticate against the keystone API.
Not implemented here because auth protocols should be API
version-specific.
"""
raise NotImplementedError
def _extract_service_catalog(self, url, body):
""" Set the client's service catalog from the response data.
Not implemented here because data returned may be API
version-specific.
"""
raise NotImplementedError
def http_log(self, args, kwargs, resp, body):
if os.environ.get('KEYSTONECLIENT_DEBUG', False):
ch = logging.StreamHandler()
_logger.setLevel(logging.DEBUG)
_logger.addHandler(ch)
elif not _logger.isEnabledFor(logging.DEBUG):
return
string_parts = ['curl -i']
for element in args:
if element in ('GET', 'POST'):
string_parts.append(' -X %s' % element)
else:
string_parts.append(' %s' % element)
for element in kwargs['headers']:
header = ' -H "%s: %s"' % (element, kwargs['headers'][element])
string_parts.append(header)
_logger.debug("REQ: %s\n" % "".join(string_parts))
if 'body' in kwargs:
_logger.debug("REQ BODY: %s\n" % (kwargs['body']))
_logger.debug("RESP: %s\nRESP BODY: %s\n", resp, body)
def request(self, url, method, **kwargs):
""" Send an http request with the specified characteristics.
Wrapper around httplib2.Http.request to handle tasks such as
setting headers, JSON encoding/decoding, and error handling.
"""
# Copy the kwargs so we can reuse the original in case of redirects
request_kwargs = copy.copy(kwargs)
request_kwargs.setdefault('headers', kwargs.get('headers', {}))
request_kwargs['headers']['User-Agent'] = self.USER_AGENT
if 'body' in kwargs:
request_kwargs['headers']['Content-Type'] = 'application/json'
request_kwargs['body'] = json.dumps(kwargs['body'])
resp, body = super(HTTPClient, self).request(url,
method,
**request_kwargs)
self.http_log((url, method,), request_kwargs, resp, body)
if body:
try:
body = json.loads(body)
except ValueError, e:
_logger.debug("Could not decode JSON from body: %s" % body)
else:
_logger.debug("No body was returned.")
body = None
if resp.status in (400, 401, 403, 404, 408, 409, 413, 500, 501):
_logger.exception("Request returned failure status.")
raise exceptions.from_response(resp, body)
elif resp.status in (301, 302, 305):
# Redirected. Reissue the request to the new location.
return self.request(resp['location'], method, **kwargs)
return resp, body
def _cs_request(self, url, method, **kwargs):
if not self.management_url:
self.authenticate()
kwargs.setdefault('headers', {})
if self.auth_token:
kwargs['headers']['X-Auth-Token'] = self.auth_token
# Perform the request once. If we get a 401 back then it
# might be because the auth token expired, so try to
# re-authenticate and try again. If it still fails, bail.
try:
resp, body = self.request(self.management_url + url, method,
**kwargs)
return resp, body
except exceptions.Unauthorized:
try:
if getattr(self, '_failures', 0) < 1:
self._failures = getattr(self, '_failures', 0) + 1
self.authenticate()
resp, body = self.request(self.management_url + url,
method, **kwargs)
return resp, body
else:
raise
except exceptions.Unauthorized:
raise
def get(self, url, **kwargs):
return self._cs_request(url, 'GET', **kwargs)
def post(self, url, **kwargs):
return self._cs_request(url, 'POST', **kwargs)
def put(self, url, **kwargs):
return self._cs_request(url, 'PUT', **kwargs)
def delete(self, url, **kwargs):
return self._cs_request(url, 'DELETE', **kwargs)
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