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# -*- coding: utf-8 -*-
# (c) 2015, Allen Sanabria <asanabria@linuxdynasty.org>
#
# This file is part of Ansible
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
try:
import boto3
import botocore
HAS_BOTO3 = True
except Exception:
HAS_BOTO3 = False
import pytest
from units.compat import unittest
from ansible.module_utils.ec2 import AWSRetry
if not HAS_BOTO3:
pytestmark = pytest.mark.skip("test_aws.py requires the python modules 'boto3' and 'botocore'")
class RetryTestCase(unittest.TestCase):
def test_no_failures(self):
self.counter = 0
@AWSRetry.backoff(tries=2, delay=0.1)
def no_failures():
self.counter += 1
r = no_failures()
self.assertEqual(self.counter, 1)
def test_extend_boto3_failures(self):
self.counter = 0
err_msg = {'Error': {'Code': 'MalformedPolicyDocument'}}
@AWSRetry.backoff(tries=2, delay=0.1, catch_extra_error_codes=['MalformedPolicyDocument'])
def extend_failures():
self.counter += 1
if self.counter < 2:
raise botocore.exceptions.ClientError(err_msg, 'You did something wrong.')
else:
return 'success'
r = extend_failures()
self.assertEqual(r, 'success')
self.assertEqual(self.counter, 2)
def test_retry_once(self):
self.counter = 0
err_msg = {'Error': {'Code': 'InternalFailure'}}
@AWSRetry.backoff(tries=2, delay=0.1)
def retry_once():
self.counter += 1
if self.counter < 2:
raise botocore.exceptions.ClientError(err_msg, 'Something went wrong!')
else:
return 'success'
r = retry_once()
self.assertEqual(r, 'success')
self.assertEqual(self.counter, 2)
def test_reached_limit(self):
self.counter = 0
err_msg = {'Error': {'Code': 'RequestLimitExceeded'}}
@AWSRetry.backoff(tries=4, delay=0.1)
def fail():
self.counter += 1
raise botocore.exceptions.ClientError(err_msg, 'toooo fast!!')
# with self.assertRaises(botocore.exceptions.ClientError):
try:
fail()
except Exception as e:
self.assertEqual(e.response['Error']['Code'], 'RequestLimitExceeded')
self.assertEqual(self.counter, 4)
def test_unexpected_exception_does_not_retry(self):
self.counter = 0
err_msg = {'Error': {'Code': 'AuthFailure'}}
@AWSRetry.backoff(tries=4, delay=0.1)
def raise_unexpected_error():
self.counter += 1
raise botocore.exceptions.ClientError(err_msg, 'unexpected error')
# with self.assertRaises(botocore.exceptions.ClientError):
try:
raise_unexpected_error()
except Exception as e:
self.assertEqual(e.response['Error']['Code'], 'AuthFailure')
self.assertEqual(self.counter, 1)
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