7551e8c921
* Added the ability to extend the exception list in CloudRetry * AWSRetry boto and boto compatible * Updated tests to reflect boto/boto3 * Added boto to shippable requirements * Have base_class and added_exceptions default to None in CloudRetry AWSRetry - only retry on boto3 exceptions and remove boto requirement from tests * Make requested changes.
110 lines
3.5 KiB
Python
110 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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# (c) 2015, Allen Sanabria <asanabria@linuxdynasty.org>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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try:
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import boto3
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import botocore
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HAS_BOTO3 = True
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except:
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HAS_BOTO3 = False
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from nose.plugins.skip import SkipTest
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from ansible.compat.tests import unittest
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from ansible.module_utils.ec2 import AWSRetry
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if not HAS_BOTO3:
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raise SkipTest("test_aws.py requires the python modules 'boto3' and 'botocore'")
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class RetryTestCase(unittest.TestCase):
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def test_no_failures(self):
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self.counter = 0
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@AWSRetry.backoff(tries=2, delay=0.1)
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def no_failures():
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self.counter += 1
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r = no_failures()
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self.assertEqual(self.counter, 1)
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def test_extend_boto3_failures(self):
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self.counter = 0
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err_msg = {'Error': {'Code': 'MalformedPolicyDocument'}}
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@AWSRetry.backoff(tries=2, delay=0.1, catch_extra_error_codes=['MalformedPolicyDocument'])
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def extend_failures():
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self.counter += 1
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if self.counter < 2:
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raise botocore.exceptions.ClientError(err_msg, 'Could not find you')
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else:
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return 'success'
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r = extend_failures()
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self.assertEqual(r, 'success')
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self.assertEqual(self.counter, 2)
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def test_retry_once(self):
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self.counter = 0
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err_msg = {'Error': {'Code': 'InstanceId.NotFound'}}
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@AWSRetry.backoff(tries=2, delay=0.1)
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def retry_once():
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self.counter += 1
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if self.counter < 2:
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raise botocore.exceptions.ClientError(err_msg, 'Could not find you')
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else:
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return 'success'
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r = retry_once()
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self.assertEqual(r, 'success')
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self.assertEqual(self.counter, 2)
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def test_reached_limit(self):
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self.counter = 0
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err_msg = {'Error': {'Code': 'RequestLimitExceeded'}}
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@AWSRetry.backoff(tries=4, delay=0.1)
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def fail():
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self.counter += 1
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raise botocore.exceptions.ClientError(err_msg, 'toooo fast!!')
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# with self.assertRaises(botocore.exceptions.ClientError):
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try:
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fail()
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except Exception as e:
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self.assertEqual(e.response['Error']['Code'], 'RequestLimitExceeded')
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self.assertEqual(self.counter, 4)
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def test_unexpected_exception_does_not_retry(self):
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self.counter = 0
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err_msg = {'Error': {'Code': 'AuthFailure'}}
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@AWSRetry.backoff(tries=4, delay=0.1)
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def raise_unexpected_error():
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self.counter += 1
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raise botocore.exceptions.ClientError(err_msg, 'unexpected error')
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# with self.assertRaises(botocore.exceptions.ClientError):
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try:
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raise_unexpected_error()
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except Exception as e:
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self.assertEqual(e.response['Error']['Code'], 'AuthFailure')
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self.assertEqual(self.counter, 1)
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