✨ Add FieldOwner field to client.Options

[aerfio]

Introduce FieldOwner field to client.Options, to allow users to set it once, without doing it like that:

cl, err := client.New(restCfg, client.Options{})
if err != nil {
  panic(err)
}
cl = client.WithFieldOwner(cl, "field-owner")

The main reason however is the ability to set it in manager creation, so that the client we get from it using mgr.GetClient() is already correctly configured. Otherwise I have to plumb the client manually or use following code:

mgr, err := ctrl.NewManager(restCfg, ctrl.Options{
        ...
		NewClient: func(config *rest.Config, options client.Options) (client.Client, error) {
			cli, err := client.New(config, options)
			if err != nil {
				return nil, err
			}
			return client.WithFieldOwner(cli, "test-owner"), nil
		},
        ...

But the documentation of NewClient states that it's a low level primitive and should not be used unless you know what you're doing, so I'd rather not overwrite default client creation fn

[k8s-ci-robot]

Hi @aerfio. Thanks for your PR.

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[troy0820]

/ok-to-test

[alvaroaleman]

seems okay to me. @sbueringer WDYT? Odds are we will end up adding most/all of the wrappers in here.

/hold

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 439b4f17408bf1e5554a84542279b4d791b14840

[aerfio]

@alvaroaleman My plan is to actually create the same PR but for the FieldValidation. I can also prepare other ones for any other field you've got in mind, but right now I can only see 2 With.* functions in client package

[sbueringer]

seems okay to me. @sbueringer WDYT? Odds are we will end up adding most/all of the wrappers in here.

/hold

All good from my side, just a minor point on the godoc: #3389 (comment)

[sbueringer]

Thank you very much!

/lgtm
/approve
/hold cancel

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 2007aae2b26d584377139437f6e8769c40a0a2f2

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aerfio, alvaroaleman, sbueringer

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