CDRIVER-5739 do not warn if TXT authSource
is ignored
#1741
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Summary
Do not log a warning if TXT option
authSource
is ignored due to already being present in the URI.Background & Motivation
When using the
mongodb+srv
protocol, TXT records may provide defaults for URI options. From Initial DNS Seedlist Discovery:The auth mechanism
MONGODB-X509
requiresauthSource=$external
. MongoDB Atlas includes a default TXT recordauthSource=admin
. This caused an unavoidable warning noted in CDRIVER-5712 when attempting to useMONGODB-X509
to an Atlas M10 cluster:Since
authSource
has a use-case to override, this PR downgrades the message to an informative trace log.