controller as the CLI command `istioctl install` running in a loop in a pod in the cluster and using the config
from the in-cluster IstioOperator custom resource (CR).
There are two major differences:

1. The controller does not accept any dynamic user config through flags. All user interaction is through the
IstioOperator CR.

	cli, err := ctx.CLIClientWithRevision(revision)
	if err != nil {
		return nil, err
	}
	major, minors, ok := strings.Cut(version, ".")
	if !ok {
		return nil, fmt.Errorf("invalid version %v, expected format like '1.0'", version)
	}
	if major != "1" {
		return nil, fmt.Errorf("expected major version 1, got %v", version)
	}
	minor, err := strconv.Atoi(minors)
	if err != nil {

`Generators` get as input the `Proxy` (a representation of the current client), the current `PushContext` snapshot, and a list of config updates that caused the change.