229 lines
6.5 KiB
Python
229 lines
6.5 KiB
Python
# Copyright 2014 Rackspace Hosting
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# All Rights Reserved.
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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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"""Magnum object test utilities."""
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import datetime
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import iso8601
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import netaddr
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from oslo_utils import timeutils
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import six
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from magnum.common import exception
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from magnum.i18n import _
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from magnum import objects
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from magnum.tests.unit.db import utils as db_utils
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def get_test_baymodel(context, **kw):
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"""Return a BayModel object with appropriate attributes.
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NOTE: The object leaves the attributes marked as changed, such
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that a create() could be used to commit it to the DB.
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"""
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db_baymodel = db_utils.get_test_baymodel(**kw)
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# Let DB generate ID if it isn't specified explicitly
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if 'id' not in kw:
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del db_baymodel['id']
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baymodel = objects.BayModel(context)
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for key in db_baymodel:
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setattr(baymodel, key, db_baymodel[key])
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return baymodel
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def create_test_baymodel(context, **kw):
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"""Create and return a test baymodel object.
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Create a baymodel in the DB and return a BayModel object with appropriate
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attributes.
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"""
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baymodel = get_test_baymodel(context, **kw)
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try:
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baymodel.create()
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except exception.ClusterTemplateAlreadyExists:
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baymodel = objects.BayModel.get(context, baymodel.uuid)
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return baymodel
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def get_test_bay(context, **kw):
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"""Return a Bay object with appropriate attributes.
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NOTE: The object leaves the attributes marked as changed, such
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that a create() could be used to commit it to the DB.
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"""
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db_bay = db_utils.get_test_bay(**kw)
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# Let DB generate ID if it isn't specified explicitly
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if 'id' not in kw:
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del db_bay['id']
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bay = objects.Bay(context)
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for key in db_bay:
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setattr(bay, key, db_bay[key])
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return bay
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def create_test_bay(context, **kw):
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"""Create and return a test bay object.
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Create a bay in the DB and return a Bay object with appropriate
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attributes.
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"""
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bay = get_test_bay(context, **kw)
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create_test_baymodel(context, uuid=bay['baymodel_id'],
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coe=kw.get('coe', 'swarm'))
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bay.create()
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return bay
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def get_test_cluster_template(context, **kw):
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"""Return a ClusterTemplate object with appropriate attributes.
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NOTE: Object model is the same for ClusterTemplate and
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BayModel
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"""
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return get_test_baymodel(context, **kw)
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def create_test_cluster_template(context, **kw):
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"""Create and return a test ClusterTemplate object.
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NOTE: Object model is the same for ClusterTemplate and
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BayModel
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"""
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return create_test_baymodel(context, **kw)
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def get_test_cluster(context, **kw):
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"""Return a Cluster object with appropriate attributes.
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NOTE: Object model is the same for Cluster and
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Bay
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"""
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return get_test_bay(context, **kw)
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def create_test_cluster(context, **kw):
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"""Create and return a test cluster object.
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NOTE: Object model is the same for Cluster and
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Bay
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"""
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return create_test_bay(context, **kw)
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def get_test_x509keypair(context, **kw):
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"""Return a X509KeyPair object with appropriate attributes.
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NOTE: The object leaves the attributes marked as changed, such
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that a create() could be used to commit it to the DB.
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"""
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db_x509keypair = db_utils.get_test_x509keypair(**kw)
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# Let DB generate ID if it isn't specified explicitly
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if 'id' not in kw:
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del db_x509keypair['id']
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x509keypair = objects.X509KeyPair(context)
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for key in db_x509keypair:
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setattr(x509keypair, key, db_x509keypair[key])
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return x509keypair
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def create_test_x509keypair(context, **kw):
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"""Create and return a test x509keypair object.
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Create a x509keypair in the DB and return a X509KeyPair object with
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appropriate attributes.
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"""
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x509keypair = get_test_x509keypair(context, **kw)
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x509keypair.create()
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return x509keypair
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def get_test_magnum_service_object(context, **kw):
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"""Return a test magnum_service object.
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Get a magnum_service from DB layer and return an object with
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appropriate attributes.
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"""
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db_magnum_service = db_utils.get_test_magnum_service(**kw)
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magnum_service = objects.MagnumService(context)
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for key in db_magnum_service:
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setattr(magnum_service, key, db_magnum_service[key])
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return magnum_service
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def datetime_or_none(dt):
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"""Validate a datetime or None value."""
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if dt is None:
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return None
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elif isinstance(dt, datetime.datetime):
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if dt.utcoffset() is None:
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# NOTE(danms): Legacy objects from sqlalchemy are stored in UTC,
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# but are returned without a timezone attached.
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# As a transitional aid, assume a tz-naive object is in UTC.
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return dt.replace(tzinfo=iso8601.iso8601.Utc())
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else:
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return dt
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raise ValueError(_("A datetime.datetime is required here"))
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def datetime_or_str_or_none(val):
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if isinstance(val, six.string_types):
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return timeutils.parse_isotime(val)
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return datetime_or_none(val)
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def int_or_none(val):
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"""Attempt to parse an integer value, or None."""
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if val is None:
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return val
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else:
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return int(val)
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def str_or_none(val):
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"""Attempt to stringify a value to unicode, or None."""
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if val is None:
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return val
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else:
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return six.text_type(val)
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def ip_or_none(version):
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"""Return a version-specific IP address validator."""
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def validator(val, version=version):
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if val is None:
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return val
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else:
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return netaddr.IPAddress(val, version=version)
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return validator
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def dt_serializer(name):
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"""Return a datetime serializer for a named attribute."""
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def serializer(self, name=name):
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if getattr(self, name) is not None:
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return datetime.datetime.isoformat(getattr(self, name))
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else:
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return None
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return serializer
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def dt_deserializer(instance, val):
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"""A deserializer method for datetime attributes."""
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if val is None:
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return None
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else:
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return timeutils.parse_isotime(val)
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