tripleo-common/tripleo_common/image/exception.py
Alex Schultz e57116d9c4 Implement threading locks around layers
When we fetch layers, we shouldn't fetch the same layers multiple times.
This change adds some locking basked on layer hashes to prevent multiple
threads from trying to fetch the same layer at the same time.

Change-Id: I477219b7dca1e6cfa02a278c55a0cc1a9833d007
Related-Bug: #1844446
2019-09-27 13:50:49 -06:00

36 lines
914 B
Python

# Copyright 2015 Red Hat, Inc.
#
# 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.
#
class ImageBuilderException(Exception):
pass
class ImageSpecificationException(Exception):
pass
class ImageUploaderException(Exception):
pass
class ImageUploaderThreadException(Exception):
"""Conflict during thread processing"""
pass
class ImageNotFoundException(Exception):
pass