support setting a logger programatically

[vroldanbet]

Make it possible to set a logger programmatically

Caveat: this does not help with klog verbosity, which still uses whatever default the flag parsing is set to.

[ecordell]

I've used this in tests before:

	if verbosity := flag.CommandLine.Lookup("v"); verbosity.Value.String() == "" {
		Expect(verbosity.Value.Set("4")).To(Succeed())
	}

which mighk work to allow setting the verbosity programatically?

[vroldanbet]

which mighk work to allow setting the verbosity programatically?

I can look into it, mind if we do in a follow up?