163 lines
5.0 KiB
Python
163 lines
5.0 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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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
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# 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 pecan
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from pecan.rest import RestController
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from wsme.api import Response
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from wsmeext.pecan import wsexpose
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from graffiti.api.model.v1.resource import Resource
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from graffiti.common import driver_factory
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import six
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class ResourceController(RestController):
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def __init__(self):
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super(ResourceController, self).__init__()
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self.status = 200
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self.default_resource_type = "GFT::Local"
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@wsexpose(None, six.text_type, six.text_type, six.text_type)
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def options(self, param1, param2=None, param3=None):
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return Response(None, status_code=204)
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@wsexpose(Resource, six.text_type, six.text_type, six.text_type)
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def get_one(self, param1, param2=None, param3=None):
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"""Retrieve the resource based on the passed parameters
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Depending on the number of parameters passed, the meaning
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of the parameter is determined.
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Use case #1: only param1 is set
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eg. /v1/resource/12345
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param1 is treated as resource id and resource type is defaulted
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to graffiti local resource
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Use case #2: param1 and param2 are set
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eg /v1/resource/OS::Glance::Image/d24a33343
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param1 = resource type
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param2 = resource id
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Use case #3: param1, param2 and param3 are set
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eg /v1/resource/OS::Glance::Image/d24a33343/e8dd383a838c83
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param1 = resource type
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param2 = resource id
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param3 = endpoint id
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"""
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print "args:", param1, param2, param3
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auth_token = pecan.request.headers.get('X-Auth-Token')
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endpoint_id = None
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if not param2:
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#Use case #1
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resource_id = param1
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resource_type = self.default_resource_type
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else:
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#Use case #2
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resource_type = param1
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resource_id = param2
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if param3:
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endpoint_id = param3
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driver = driver_factory.get_driver(resource_type)
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if driver.resource:
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res = driver.resource.get_resource(
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resource_id,
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auth_token,
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endpoint_id
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)
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return res
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else:
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error_str = "Driver not found for the resource type %s", \
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resource_type
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res = Response(Resource(), status_code=404, error=error_str)
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return res
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@wsexpose([Resource], six.text_type, six.text_type)
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def get_all(self, resource_type=None, query_string=None):
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auth_token = pecan.request.headers.get('X-Auth-Token')
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if not resource_type:
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resource_type = self.default_resource_type
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driver = driver_factory.get_driver(resource_type)
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if driver.resource:
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res_list = driver.resource.find_resources(
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query_string,
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auth_token
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)
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if res_list:
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return res_list.itervalues()
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else:
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resource = Response(
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Resource(),
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status_code=404,
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error="Driver not found for the resource type")
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return resource
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return []
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@wsexpose(Resource, six.text_type, body=Resource)
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def put(self, resource_id, resource):
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"""Modify resource
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:resource param: graffiti.api.model.v1.resource.Resource
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"""
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auth_token = pecan.request.headers.get('X-Auth-Token')
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endpoint_id = resource.provider.id
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if not resource.type:
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resource_type = self.default_resource_type
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else:
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resource_type = resource.type
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driver = driver_factory.get_driver(resource_type)
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if driver.resource:
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driver.resource.update_resource(
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resource_id,
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resource,
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auth_token,
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endpoint_id=endpoint_id
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)
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else:
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resource = Response(
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Resource(),
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status_code=404,
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error="Driver not found for the resource type"
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)
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return resource
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@wsexpose(Resource, body=Resource)
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def post(self, resource):
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auth_token = pecan.request.headers.get('X-Auth-Token')
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if not resource.type:
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resource_type = self.default_resource_type
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else:
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resource_type = resource.type
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driver = driver_factory.get_driver(resource_type)
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if driver.resource:
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resource = driver.resource.create_resource(resource, auth_token)
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return resource
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