110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
# Copyright 2019 The Kubernetes Authors.
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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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import json
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import sys
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import traceback
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from kubernetes.client.rest import ApiException
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def api_exception(e):
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"""
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Returns the proper Exception class for the given kubernetes.client.rest.ApiException object
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https://github.com/kubernetes/community/blob/master/contributors/devel/api-conventions.md#success-codes
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"""
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_, _, exc_traceback = sys.exc_info()
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tb = '\n'.join(traceback.format_tb(exc_traceback))
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return {
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400: BadRequestError,
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401: UnauthorizedError,
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403: ForbiddenError,
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404: NotFoundError,
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405: MethodNotAllowedError,
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409: ConflictError,
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410: GoneError,
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422: UnprocessibleEntityError,
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429: TooManyRequestsError,
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500: InternalServerError,
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503: ServiceUnavailableError,
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504: ServerTimeoutError,
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}.get(e.status, DynamicApiError)(e, tb)
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class DynamicApiError(ApiException):
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""" Generic API Error for the dynamic client """
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def __init__(self, e, tb=None):
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self.status = e.status
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self.reason = e.reason
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self.body = e.body
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self.headers = e.headers
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self.original_traceback = tb
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def __str__(self):
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error_message = [str(self.status), "Reason: {}".format(self.reason)]
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if self.headers:
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error_message.append("HTTP response headers: {}".format(self.headers))
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if self.body:
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error_message.append("HTTP response body: {}".format(self.body))
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if self.original_traceback:
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error_message.append("Original traceback: \n{}".format(self.original_traceback))
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return '\n'.join(error_message)
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def summary(self):
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if self.body:
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if self.headers and self.headers.get('Content-Type') == 'application/json':
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message = json.loads(self.body).get('message')
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if message:
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return message
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return self.body
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else:
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return "{} Reason: {}".format(self.status, self.reason)
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class ResourceNotFoundError(Exception):
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""" Resource was not found in available APIs """
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class ResourceNotUniqueError(Exception):
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""" Parameters given matched multiple API resources """
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class KubernetesValidateMissing(Exception):
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""" kubernetes-validate is not installed """
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# HTTP Errors
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class BadRequestError(DynamicApiError):
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""" 400: StatusBadRequest """
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class UnauthorizedError(DynamicApiError):
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""" 401: StatusUnauthorized """
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class ForbiddenError(DynamicApiError):
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""" 403: StatusForbidden """
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class NotFoundError(DynamicApiError):
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""" 404: StatusNotFound """
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class MethodNotAllowedError(DynamicApiError):
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""" 405: StatusMethodNotAllowed """
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class ConflictError(DynamicApiError):
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""" 409: StatusConflict """
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class GoneError(DynamicApiError):
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""" 410: StatusGone """
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class UnprocessibleEntityError(DynamicApiError):
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""" 422: StatusUnprocessibleEntity """
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class TooManyRequestsError(DynamicApiError):
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""" 429: StatusTooManyRequests """
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class InternalServerError(DynamicApiError):
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""" 500: StatusInternalServer """
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class ServiceUnavailableError(DynamicApiError):
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""" 503: StatusServiceUnavailable """
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class ServerTimeoutError(DynamicApiError):
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""" 504: StatusServerTimeout """
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