How to create a composition of values from a secret store to a new value in a Kubernetes secret?

[bryantidd]

I have a username and password in a secret in an external secret store, I want to generate from that a database connection string as a key in a Kubernetes secret...

So I have something like:
apiVersion: secrets-store.csi.x-k8s.io/v1 kind: SecretProviderClass metadata: name: coder-db-url spec: provider: aws parameters: region: us-east-2 objects: | - objectName: "someArn" jmesPath: - path: username objectAlias: dbusername - path: password objectAlias: dbpassword secretObjects: - secretName: coder-db-url type: Opaque data: - key: url objectAlias: ????
I want a key url with a value like: postgres://$dbusername:$dbpassword@somehost:someport/database?sslmode=disable

[k8s-ci-robot]

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[devcovato]

Hi, I have the same request. I know I can do this Define Dependent Environment Variables. Is it even supported?