/usr/share/pyshared/libcloud/common/rackspace.py is in python-libcloud 0.5.0-1.1.
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# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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,
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# limitations under the License.
"""
Common utilities for Rackspace Cloud Servers and Cloud Files
"""
import httplib
from urllib2 import urlparse
from libcloud.common.base import ConnectionUserAndKey
from libcloud.compute.types import InvalidCredsError
AUTH_HOST_US='auth.api.rackspacecloud.com'
AUTH_HOST_UK='lon.auth.api.rackspacecloud.com'
AUTH_API_VERSION = 'v1.0'
__all__ = [
"RackspaceBaseConnection",
"AUTH_HOST_US",
"AUTH_HOST_UK"
]
class RackspaceBaseConnection(ConnectionUserAndKey):
def __init__(self, user_id, key, secure):
self.cdn_management_url = None
self.storage_url = None
self.auth_token = None
self.__host = None
super(RackspaceBaseConnection, self).__init__(
user_id, key, secure=secure)
def add_default_headers(self, headers):
headers['X-Auth-Token'] = self.auth_token
headers['Accept'] = self.accept_format
return headers
@property
def request_path(self):
return self._get_request_path(url_key=self._url_key)
@property
def host(self):
# Default to server_host
return self._get_host(url_key=self._url_key)
def _get_request_path(self, url_key):
value_key = '__request_path_%s' % (url_key)
value = getattr(self, value_key, None)
if not value:
self._populate_hosts_and_request_paths()
value = getattr(self, value_key, None)
return value
def _get_host(self, url_key):
value_key = '__%s' % (url_key)
value = getattr(self, value_key, None)
if not value:
self._populate_hosts_and_request_paths()
value = getattr(self, value_key, None)
return value
def _populate_hosts_and_request_paths(self):
"""
Rackspace uses a separate host for API calls which is only provided
after an initial authentication request. If we haven't made that
request yet, do it here. Otherwise, just return the management host.
"""
if not self.auth_token:
# Initial connection used for authentication
conn = self.conn_classes[self.secure](
self.auth_host, self.port[self.secure])
conn.request(
method='GET',
url='/%s' % (AUTH_API_VERSION),
headers={
'X-Auth-User': self.user_id,
'X-Auth-Key': self.key
}
)
resp = conn.getresponse()
if resp.status != httplib.NO_CONTENT:
raise InvalidCredsError()
headers = dict(resp.getheaders())
try:
self.server_url = headers['x-server-management-url']
self.storage_url = headers['x-storage-url']
self.cdn_management_url = headers['x-cdn-management-url']
self.lb_url = self.server_url.replace("servers", "ord.loadbalancers")
self.auth_token = headers['x-auth-token']
except KeyError:
raise InvalidCredsError()
for key in ['server_url', 'storage_url', 'cdn_management_url',
'lb_url']:
scheme, server, request_path, param, query, fragment = (
urlparse.urlparse(getattr(self, key)))
# Set host to where we want to make further requests to
setattr(self, '__%s' % (key), server)
setattr(self, '__request_path_%s' % (key), request_path)
conn.close()
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