81 lines
2.3 KiB
Python
81 lines
2.3 KiB
Python
# Copyright 2015 Hewlett-Packard Development Company, L.P.
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#
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# Author: Endre Karlson <endre.karlson@hp.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_utils import uuidutils
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from six import iteritems
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from six import iterkeys
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from six.moves.urllib.parse import parse_qs
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from six.moves.urllib.parse import urlparse
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from tatuclient import exceptions
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def resolve_by_name(func, name, *args):
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"""
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Helper to resolve a "name" a'la foo.com to it's ID by using REST api's
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query support and filtering on name.
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"""
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if uuidutils.is_uuid_like(name):
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return name
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results = func(criterion={"name": "%s" % name}, *args)
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length = len(results)
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if length == 1:
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return results[0]["id"]
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elif length == 0:
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raise exceptions.NotFound("Name %s didn't resolve" % name)
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else:
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msg = "Multiple matches found for %s, please use ID instead." % name
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raise exceptions.NoUniqueMatch(msg)
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def parse_query_from_url(url):
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"""
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Helper to get key bits of data from the "next" url returned
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from the API on collections
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:param url:
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:return: dict
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"""
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values = parse_qs(urlparse(url)[4])
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return {k: values[k][0] for k in iterkeys(values)}
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def get_all(function, criterion=None, args=None):
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"""
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:param function: Function to be called to get data
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:param criterion: dict of filters to be applied
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:param args: arguments to be given to the function
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:return: TatuList()
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"""
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criterion = criterion or {}
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args = args or []
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data = function(*args, criterion=criterion)
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returned_data = data
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while True:
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if data.next_page:
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for k, v in iteritems(data.next_link_criterion):
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criterion[k] = v
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data = function(*args, criterion=criterion)
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returned_data.extend(data)
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else:
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break
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return returned_data
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