Merge "Workaround peer name starting with hyphen"

This commit is contained in:
Zuul 2020-05-31 14:55:45 +00:00 committed by Gerrit Code Review
commit 2c7c7747b7
3 changed files with 28 additions and 1 deletions

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@ -45,7 +45,9 @@ def base64_sha1_string(string_to_hash):
# break backwards compatibility with existing loadbalancers.
hash_str = hashlib.sha1(string_to_hash.encode('utf-8')).digest() # nosec
b64_str = base64.b64encode(hash_str, str.encode('_-', 'ascii'))
return b64_str.decode('UTF-8')
b64_sha1 = b64_str.decode('UTF-8')
# https://github.com/haproxy/haproxy/issues/644
return re.sub(r"^-", "x", b64_sha1)
def get_network_driver():

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@ -89,3 +89,18 @@ class TestConfig(base.TestCase):
exp_codes = '201-200, 205'
self.assertEqual(utils.expand_expected_codes(exp_codes),
{'205'})
def test_base64_sha1_string(self):
str_to_sha1 = [
# no special cases str (no altchars)
('77e7d60d-e137-4246-8a84-a25db33571cd',
'iVZVQ5AKmk2Ae0uGLP0Ue4OseRM='),
# backward compat amphorae with - in str[1:]
('9c6e5f27-a0da-4ceb-afe5-5a81230be42e',
'NjrNgt3Egl-H5ScbYM5ChtUH3M8='),
# sha1 would start with -, now replaced with x
('4db4a3cf-9fef-4057-b1fd-b2afbf7a8a0f',
'xxqntK8jJ_gE3QEmh-D1-XgCW_E=')
]
for str, sha1 in str_to_sha1:
self.assertEqual(sha1, utils.base64_sha1_string(str))

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@ -0,0 +1,10 @@
---
upgrade:
- |
An amphora image update is recommended to pick up a workaround to an
HAProxy issue where it would fail to reload on configuration change should
the local peer name start with "-x".
fixes:
- |
Workaround an HAProxy issue where it would fail to reload on configuration
change should the local peer name start with "-x".