145 lines
4.4 KiB
Python
145 lines
4.4 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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class DeckhandException(Exception):
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"""Base Deckhand Exception
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To correctly use this class, inherit from it and define
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a 'msg_fmt' property. That msg_fmt will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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msg_fmt = "An unknown exception occurred."
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code = 500
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def __init__(self, message=None, **kwargs):
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self.kwargs = kwargs
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if 'code' not in self.kwargs:
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try:
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self.kwargs['code'] = self.code
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except AttributeError:
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pass
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if not message:
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try:
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message = self.msg_fmt % kwargs
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except Exception:
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message = self.msg_fmt
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self.message = message
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super(DeckhandException, self).__init__(message)
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def format_message(self):
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return self.args[0]
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class InvalidDocumentFormat(DeckhandException):
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msg_fmt = ("The provided YAML failed schema validation. Details: "
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"%(detail)s. Schema: %(schema)s.")
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alt_msg_fmt = ("The provided %(document_type)s YAML failed schema "
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"validation. Details: %(detail)s. Schema: %(schema)s.")
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def __init__(self, document_type=None, **kwargs):
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if document_type:
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self.msg_fmt = self.alt_msg_fmt
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kwargs.update({'document_type': document_type})
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super(InvalidDocumentFormat, self).__init__(**kwargs)
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# TODO(fmontei): Remove this in a future commit.
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class ApiError(Exception):
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pass
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class InvalidFormat(ApiError):
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"""The YAML file is incorrectly formatted and cannot be read."""
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class DocumentExists(DeckhandException):
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msg_fmt = ("Document with schema %(schema)s and metadata.name "
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"%(name)s already exists in bucket %(bucket)s.")
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code = 409
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class LayeringPolicyNotFound(DeckhandException):
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msg_fmt = ("LayeringPolicy with schema %(schema)s not found in the "
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"system.")
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code = 400
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class LayeringPolicyMalformed(DeckhandException):
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msg_fmt = ("LayeringPolicy with schema %(schema)s is improperly formatted:"
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" %(document)s.")
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code = 400
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class IndeterminateDocumentParent(DeckhandException):
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msg_fmt = ("Too many parent documents found for document %(document)s.")
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code = 400
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class MissingDocumentParent(DeckhandException):
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msg_fmt = ("Missing parent document for document %(document)s.")
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code = 400
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class MissingDocumentKey(DeckhandException):
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msg_fmt = ("Missing document key %(key)s from either parent or child. "
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"Parent: %(parent)s. Child: %(child)s.")
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class UnsupportedActionMethod(DeckhandException):
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msg_fmt = ("Method in %(actions)s is invalid for document %(document)s.")
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code = 400
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class DocumentNotFound(DeckhandException):
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msg_fmt = ("The requested document %(document)s was not found.")
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code = 404
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class RevisionNotFound(DeckhandException):
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msg_fmt = "The requested revision %(revision)s was not found."
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code = 404
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class RevisionTagNotFound(DeckhandException):
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msg_fmt = ("The requested tag %(tag)s for revision %(revision)s was not "
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"found.")
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code = 404
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class RevisionTagBadFormat(DeckhandException):
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msg_fmt = ("The requested tag data %(data)s must either be null or "
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"dictionary.")
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code = 400
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class InvalidRollback(DeckhandException):
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msg_fmt = ("The requested rollback for target revision %(revision)s is "
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"invalid as the latest revision matches the target revision.")
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code = 400
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class BarbicanException(DeckhandException):
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def __init__(self, message, code):
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super(BarbicanException, self).__init__(message=message, code=code)
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class PolicyNotAuthorized(DeckhandException):
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msg_fmt = "Policy doesn't allow %(action)s to be performed."
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code = 403
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