Add worker script has hardcoded password

Ran into this while trying to start a cluster. I flashed all the images with a password that isn’t raspberry, and wasn’t able to add anything, even though I could see them. Checked the code, and it looks like SSHPASS is set to raspberry. I just changed that to the new pw and adding seems to work, but this was confusing for a minute. Is there a better way to handle this, or a more intuitive error to throw?

We can definitely provide some more error handling here.

Why did you choose a different default password for the workers? I’m wondering if there’s a use case we should be supporting here.

I’m operating the cluster on our network, so just for the sake of security.