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new f8be8502 Ignore harmless error message if system_auth reads occur
during an rf change
f8be8502 is described below
commit f8be85023ad75ead695f6f014d3cc391fbce43b2
Author: Sam Tunnicliffe <[email protected]>
AuthorDate: Thu May 30 15:43:00 2024 +0100
Ignore harmless error message if system_auth reads occur during an rf change
Patch by Sam Tunnicliffe; reviewed by Brandon Williams for CASSANDRA-19217
---
auth_test.py | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/auth_test.py b/auth_test.py
index ea1ad31a..1f0dec10 100644
--- a/auth_test.py
+++ b/auth_test.py
@@ -2792,6 +2792,19 @@ class TestAuthUnavailable(AbstractTestAuth):
* release regimes.
"""
+ @pytest.fixture(autouse=True)
+ def fixture_add_additional_log_patterns(self, fixture_dtest_setup):
+ fixture_dtest_setup.ignore_log_patterns = (
+ # This occurs if a client interaction which results in a specific
type of query on system_auth, happens to
+ # run concurrently with changing the rf from 1 to 2. For example,
a query to read the default `cassandra`
+ # superuser will execute at CL.QUORUM. If this query is issued
before the rf change, the replica plan will
+ # contain only 1 node. Should the rf change be enacted before the
response is processed by the coordinator,
+ # that original replica plan will no longer be sufficient to
satisfy the consistency level, as now QUORUM is
+ # (2/2 + 1) = 2. This does not affect the actual test as the
client will retry in this case and as the
+ # placements remain stable after the initial rf change, subsequent
reads will succeed.
+ r'.* for keyspace system_auth at QUORUM the ring has changed .* in
a way that would make responses violate the consistency level',
+ )
+
def test_authentication_handle_unavailable(self):
"""
* Launch a two node cluster with role/permissions cache disabled
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