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Myasnikov Daniil
416989b24d
A single LoadBalancer selecting all replset members round-robined writes
across primary and secondaries, so ~⅔ of writes failed with "not primary".
Drivers couldn't auto-recover either: `isMaster` returned in-cluster DNS
names that don't resolve from outside.
Switch to the Percona operator's native `replsets[].expose` so it creates
one LoadBalancer per pod and rewrites `rs.conf` with the external IPs;
the driver then discovers the primary correctly via the standard replica
set connection string. The manual `external-svc.yaml` is now scoped to
sharded mode (mongos front-end) only.
Assisted-By: Claude <noreply@anthropic.com>
Signed-off-by: Myasnikov Daniil <myasnikovdaniil2001@gmail.com>
(cherry picked from commit 8358c04ce9)