RDS Monitoring using PMM2, Missing Host Metrics for Postgres

I am using PMM2 for monitoring all my RDS instances.

I added Postgres as a remote database, But by adding a database as remote in PMM2 we miss host-level metrics like CPU, Memory etc. What is the recommended way of adding Postgres (RDS) or a way to inject missing metrics to get the complete Node Summary?

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Author: xrage