113 lines
4.0 KiB
Python
113 lines
4.0 KiB
Python
# Copyright (c) 2016 Ericsson AB
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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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#
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# Copyright (c) 2017 Wind River Systems, Inc.
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#
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# The right to copy, distribute, modify, or otherwise make use
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# of this software may be licensed only pursuant to the terms
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# of an applicable Wind River license agreement.
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#
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from bs4 import BeautifulSoup
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import json
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from dcmanagerclient import exceptions
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class Resource(object):
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# This will be overridden by the actual resource
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resource_name = 'Something'
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class ResourceManager(object):
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resource_class = None
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def __init__(self, http_client):
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self.http_client = http_client
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def _generate_resource(self, json_response_key):
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json_objects = [json_response_key[item] for item in json_response_key]
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resource = []
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for json_object in json_objects:
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for resource_data in json_object:
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resource.append(self.resource_class(self, resource_data,
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json_object[resource_data]))
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return resource
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def _list(self, url, response_key=None):
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resp = self.http_client.get(url)
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if resp.status_code != 200:
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self._raise_api_exception(resp)
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json_response_key = get_json(resp)
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resource = self._generate_resource(json_response_key)
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return resource
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def _update(self, url, data):
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data = json.dumps(data)
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resp = self.http_client.put(url, data)
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if resp.status_code != 200:
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self._raise_api_exception(resp)
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json_response_key = get_json(resp)
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result = self._generate_resource(json_response_key)
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return result
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def _sync(self, url, data=None):
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resp = self.http_client.put(url, data)
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if resp.status_code != 200:
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self._raise_api_exception(resp)
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def _detail(self, url):
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resp = self.http_client.get(url)
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if resp.status_code != 200:
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self._raise_api_exception(resp)
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json_response_key = get_json(resp)
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json_objects = [json_response_key[item] for item in json_response_key]
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resource = []
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for json_object in json_objects:
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data = json_object.get('usage').keys()
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for values in data:
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resource.append(self.resource_class(self, values,
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json_object['limits'][values],
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json_object['usage'][values]))
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return resource
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def _delete(self, url):
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resp = self.http_client.delete(url)
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if resp.status_code != 200:
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self._raise_api_exception(resp)
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def _raise_api_exception(self, resp):
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error_html = resp.content
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soup = BeautifulSoup(error_html, 'html.parser')
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# Get the raw html with get_text, strip out the blank lines on
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# front and back, then get rid of the 2 lines of error code number
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# and error code explanation so that we are left with just the
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# meaningful error text.
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try:
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error_msg = soup.body.get_text().lstrip().rstrip().split('\n')[2]
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except Exception:
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error_msg = resp.content
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raise exceptions.APIException(error_code=resp.status_code,
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error_message=error_msg)
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def get_json(response):
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"""Get JSON representation of response."""
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json_field_or_function = getattr(response, 'json', None)
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if callable(json_field_or_function):
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return response.json()
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else:
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return json.loads(response.content)
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