Source code for designateclient.utils

# Copyright 2012 Managed I.T.
# Author: Kiall Mac Innes <>
# Licensed 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
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

import uuid

from keystoneauth1 import adapter

from designateclient import exceptions

[docs]def get_item_properties(item, fields, mixed_case_fields=(), formatters=None): """Return a tuple containing the item properties. :param item: a single item resource (e.g. Server, Tenant, etc) :param fields: tuple of strings with the desired field names :param mixed_case_fields: tuple of field names to preserve case :param formatters: dictionary mapping field names to callables to format the values """ if formatters is None: formatters = {} row = [] for field in fields: if field in formatters: row.append(formatters[field](item)) else: if field in mixed_case_fields: field_name = field.replace(' ', '_') else: field_name = field.lower().replace(' ', '_') if not hasattr(item, field_name) and \ (isinstance(item, dict) and field_name in item): data = item[field_name] else: data = getattr(item, field_name, '') if data is None: data = '' row.append(data) return tuple(row)
[docs]def get_columns(data): """ Some row's might have variable count of columns, ensure that we have the same. :param data: Results in [{}, {]}] """ columns = set() def _seen(col): columns.add(str(col)) map(lambda item: map(_seen, list(item.keys())), data) return list(columns)
[docs]def find_resourceid_by_name_or_id(resource_client, name_or_id): """Find resource id from its id or name.""" try: # Try to return an uuid return str(uuid.UUID(name_or_id)) except ValueError: # Not an uuid => assume it is resource name pass resources = resource_client.list() candidate_ids = [r['id'] for r in resources if r.get('name') == name_or_id] if not candidate_ids: raise exceptions.ResourceNotFound( 'Could not find resource with name "%s"' % name_or_id) elif len(candidate_ids) > 1: str_ids = ','.join(candidate_ids) raise exceptions.NoUniqueMatch( 'Multiple resources with name "%s": %s' % (name_or_id, str_ids)) return candidate_ids[0]
[docs]class AdapterWithTimeout(adapter.Adapter): """adapter.Adapter wraps around a Session. The user can pass a timeout keyword that will apply only to the Designate Client, in order: - timeout keyword passed to ``request()`` - timeout keyword passed to ``AdapterWithTimeout()`` - timeout attribute on keystone session """ def __init__(self, *args, **kw): self.timeout = kw.pop('timeout', None) super(self.__class__, self).__init__(*args, **kw)
[docs] def request(self, *args, **kwargs): if self.timeout is not None: kwargs.setdefault('timeout', self.timeout) return super(AdapterWithTimeout, self).request(*args, **kwargs)