134 lines
4.8 KiB
Python
134 lines
4.8 KiB
Python
"""
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Copyright 2013 Rackspace
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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"""
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from cafe.engine.clients.rest import AutoMarshallingRestClient
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from cloudcafe.compute.limits_api.models.limit import Limits
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class LimitsClient(AutoMarshallingRestClient):
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def __init__(self, url, auth_token, serialize_format=None,
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deserialize_format=None):
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"""
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@param url: Base URL for the compute service
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@type url: String
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@param auth_token: Auth token to be used for all requests
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@type auth_token: String
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@param serialize_format: Format for serializing requests
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@type serialize_format: String
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@param deserialize_format: Format for de-serializing responses
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@type deserialize_format: String
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"""
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super(LimitsClient, self).__init__(serialize_format,
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deserialize_format)
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self.auth_token = auth_token
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self.default_headers['X-Auth-Token'] = auth_token
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ct = ''.join(['application/', self.serialize_format])
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accept = ''.join(['application/', self.deserialize_format])
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self.default_headers['Content-Type'] = ct
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self.default_headers['Accept'] = accept
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self.url = url
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def get_limits(self, requestslib_kwargs=None):
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"""
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@summary: Returns limits.
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@param requestslib_kwargs: Overrides any default values injected by
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the framework
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@type requestslib_kwargs:dict
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@return: limit_response
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@rtype: Limits Response Domain Object
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"""
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url = '%s/limits' % (self.url)
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limit_response = self.request('GET', url,
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response_entity_type=Limits,
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requestslib_kwargs=requestslib_kwargs)
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return limit_response
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def _get_absolute_limits_property(self, limits_property=None):
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"""
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@summary: Returns the value of the specified key from the
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absolute_limits dictionary
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@param requestslib_kwargs: Overrides any default values injected by
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the framework
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@type requestslib_kwargs:dict
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"""
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if property is None:
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return None
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limits_response = self.get_limits()
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absolute_limits = vars(limits_response.entity).get('absolute')
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if absolute_limits is not None:
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return absolute_limits.get(limits_property)
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else:
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return None
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def get_max_server_meta(self):
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"""
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@summary: Returns maximum number of metadata allowed for a server
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@return: Maximum number of server meta data
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@rtype: Integer
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"""
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return self._get_absolute_limits_property('maxServerMeta')
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def get_max_image_meta(self):
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"""
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@summary: Returns maximum number of metadata allowed for an Image.
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@return: Maximum number of image meta data
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@rtype: Integer
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"""
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return self._get_absolute_limits_property('maxImageMeta')
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def get_personality_file_limit(self):
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"""
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@summary: Returns maximum number of personality files allowed for a
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server
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@return: Maximum number of personality files.
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@rtype: Integer
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"""
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return self._get_absolute_limits_property('maxPersonality')
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def get_personality_file_size_limit(self):
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"""
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@summary: Returns the maximum size of a personality file.
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@return: Maximum size of a personality file.
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@rtype: Integer
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"""
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return self._get_absolute_limits_property('maxPersonalitySize')
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def get_max_total_instances(self):
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"""
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@summary: Returns maximum number of server allowed for a user
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@return: Maximum number of server
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@rtype: Integer
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"""
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return self._get_absolute_limits_property('maxTotalInstances')
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def get_max_total_RAM_size(self):
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"""
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@summary: Returns maximum RAM size to create servers for a user
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@return: Maximum RAM size
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@rtype: Integer
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"""
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return self._get_absolute_limits_property('maxTotalRAMSize')
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def get_total_RAM_used(self):
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"""
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@summary: Returns total RAM used by a user
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@return: total RAM used
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@rtype: Integer
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"""
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return self._get_absolute_limits_property('totalRAMUsed')
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