77 lines
3.0 KiB
Python
77 lines
3.0 KiB
Python
#
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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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import collections
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import six
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from heat.common import exception
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from heat.common.i18n import _
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from heat.engine import function
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from heat.engine import template
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class CommonTemplate(template.Template):
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"""A class of the common implementation for HOT and CFN templates."""
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def validate_resource_definition(self, name, data):
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allowed_keys = set(self._RESOURCE_KEYS)
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if not self.validate_resource_key_type(self.RES_TYPE,
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six.string_types,
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'string',
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allowed_keys,
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name,
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data):
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args = {'name': name, 'type_key': self.RES_TYPE}
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msg = _('Resource %(name)s is missing "%(type_key)s"') % args
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raise KeyError(msg)
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self.validate_resource_key_type(
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self.RES_PROPERTIES,
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(collections.Mapping, function.Function),
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'object', allowed_keys, name, data)
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self.validate_resource_key_type(
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self.RES_METADATA,
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(collections.Mapping, function.Function),
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'object', allowed_keys, name, data)
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self.validate_resource_key_type(
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self.RES_DEPENDS_ON,
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collections.Sequence,
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'list or string', allowed_keys, name, data)
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self.validate_resource_key_type(
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self.RES_DELETION_POLICY,
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(six.string_types, function.Function),
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'string', allowed_keys, name, data)
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self.validate_resource_key_type(
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self.RES_UPDATE_POLICY,
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(collections.Mapping, function.Function),
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'object', allowed_keys, name, data)
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self.validate_resource_key_type(
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self.RES_DESCRIPTION,
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six.string_types,
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'string', allowed_keys, name, data)
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def validate_resource_definitions(self, stack):
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"""Check section's type of ResourceDefinitions."""
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resources = self.t.get(self.RESOURCES) or {}
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try:
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for name, snippet in resources.items():
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path = '.'.join([self.RESOURCES, name])
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data = self.parse(stack, snippet, path)
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self.validate_resource_definition(name, data)
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except (TypeError, ValueError, KeyError) as ex:
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raise exception.StackValidationFailed(message=six.text_type(ex))
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