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# Copyright 2015 Red Hat, Inc.
# All Rights Reserved.
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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 ast
import hashlib
import inspect
import six
from oslo_versionedobjects import fields as object_fields
from ironic.common import utils
class IntegerField(object_fields.IntegerField):
pass
class UUIDField(object_fields.UUIDField):
pass
class StringField(object_fields.StringField):
pass
class StringAcceptsCallable(object_fields.String):
@staticmethod
def coerce(obj, attr, value):
if callable(value):
value = value()
return super(StringAcceptsCallable, StringAcceptsCallable).coerce(
obj, attr, value)
class StringFieldThatAcceptsCallable(object_fields.StringField):
"""Custom StringField object that allows for functions as default
In some cases we need to allow for dynamic defaults based on configuration
options, this StringField object allows for a function to be passed as a
default, and will only process it at the point the field is coerced
"""
AUTO_TYPE = StringAcceptsCallable()
def __repr__(self):
default = self._default
if (self._default != object_fields.UnspecifiedDefault and
callable(self._default)):
default = "%s-%s" % (
self._default.__name__,
hashlib.md5(inspect.getsource(
self._default).encode()).hexdigest())
return '%s(default=%s,nullable=%s)' % (self._type.__class__.__name__,
default, self._nullable)
class DateTimeField(object_fields.DateTimeField):
pass
class BooleanField(object_fields.BooleanField):
pass
class ListOfStringsField(object_fields.ListOfStringsField):
pass
class ObjectField(object_fields.ObjectField):
pass
class FlexibleDict(object_fields.FieldType):
@staticmethod
def coerce(obj, attr, value):
if isinstance(value, six.string_types):
value = ast.literal_eval(value)
return dict(value)
class FlexibleDictField(object_fields.AutoTypedField):
AUTO_TYPE = FlexibleDict()
# TODO(lucasagomes): In our code we've always translated None to {},
# this method makes this field to work like this. But probably won't
# be accepted as-is in the oslo_versionedobjects library
def _null(self, obj, attr):
if self.nullable:
return {}
super(FlexibleDictField, self)._null(obj, attr)
class NotificationLevel(object_fields.Enum):
DEBUG = 'debug'
INFO = 'info'
WARNING = 'warning'
ERROR = 'error'
CRITICAL = 'critical'
ALL = (DEBUG, INFO, WARNING, ERROR, CRITICAL)
def __init__(self):
super(NotificationLevel, self).__init__(
valid_values=NotificationLevel.ALL)
class NotificationLevelField(object_fields.BaseEnumField):
AUTO_TYPE = NotificationLevel()
class MACAddress(object_fields.FieldType):
@staticmethod
def coerce(obj, attr, value):
return utils.validate_and_normalize_mac(value)
class MACAddressField(object_fields.AutoTypedField):
AUTO_TYPE = MACAddress()
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