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fix: stale dns plugin when connected to reader #1086

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Merged
faviansamatha merged 2 commits into from
Jan 29, 2026
Merged

fix: stale dns plugin when connected to reader #1086

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adc31e2
fix: stale dns plugin when connected to reader
faviansamatha Jan 28, 2026
d923c8f
Merge branch 'main' into fix/stale_dns_plugin
faviansamatha Jan 29, 2026
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5 changes: 3 additions & 2 deletions aws_advanced_python_wrapper/stale_dns_plugin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,8 @@ def get_verified_connection(self, is_initial_connection: bool, host_list_provide
if cluster_inet_address is None:
return conn

if self._plugin_service.get_host_role(conn) == HostRole.READER:
connected_to_reader = self._plugin_service.get_host_role(conn) == HostRole.READER
if connected_to_reader:
# This if-statement is only reached if the connection url is a writer cluster endpoint.
# If the new connection resolves to a reader instance, this means the topology is outdated.
# Force refresh to update the topology.
Expand Down Expand Up @@ -109,7 +110,7 @@ def get_verified_connection(self, is_initial_connection: bool, host_list_provide
if self._writer_host_address is None:
return conn

if self._writer_host_address != cluster_inet_address:
if self._writer_host_address != cluster_inet_address or connected_to_reader:
logger.debug("StaleDnsHelper.StaleDnsDetected", self._writer_host_info)

allowed_hosts = self._plugin_service.hosts
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