Function setup_kubernetes 

pub fn setup_kubernetes(
    rollback: &RollbackManager,
) -> Result<(), Box<dyn Error>>

Sets up Kubernetes on the system.

This function installs Kubernetes tools (kubectl and minikube), configures them, and ensures they’re ready for use. It creates a snapshot before installation for potential rollback.

Arguments

• rollback - A reference to the RollbackManager for creating snapshots

Returns

Returns Ok(()) if Kubernetes is set up successfully, or an error if setup fails.