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Per-pod API and tunnel certificates were projected into the pod template one Secret per ordinal, so every replica change rolled every pod. Issue one certificate per cluster instead (gnmic-<cluster>-api-tls, gnmic-<cluster>-tunnel-tls) with wildcard SANs covering every pod and the Service names, and mount it as a plain Secret volume. Legacy per-pod Certificates are deleted once the pods run the new template; their Secrets are left for manual removal, since the operator never writes Secrets.
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Per-pod API and tunnel certificates were projected into the pod template one Secret per ordinal, so every replica change rolled every pod. Issue one certificate per cluster instead (gnmic--api-tls, gnmic--tunnel-tls) with wildcard SANs covering every pod and the Service names, and mount it as a plain Secret volume. Legacy per-pod Certificates are deleted once the pods run the new template; their Secrets are left for manual removal, since the operator never writes Secrets.