How can I store external numeric configurations?

Kafka Connect
1

Currently, I have the following configuration provided configuration that I use to store both secrets and non-secrets externally :


config.providers=myProvider
config.providers.vault.class=com.MyCustomProvider
config.reload.action=none

And I am currently using it to do the following :

listeners.https.ssl.key.password=${myProvider:path:certs.password}
rest.advertised.port=${myProvider:path:8083}

While this works well for string values, this does not seem to work well when there are numbers as it produces a class cast exception at runtime when the types are not matched.

As far as I understand, ConfigData needs to return a Map<String,String> and that limits my options

2

Java Properties files don’t have defined value types, thus cannot be inferred to anything but string at runtime

1 Like
3

Is there any ConfigData flavor that is typed?

4

Kafka is open source, so you’re welcome to double check, but there is not

5

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