Run:   runKubeletStartJoinPhase,
		InheritFlags: []string{
			options.CfgPath,
			options.NodeCRISocket,
			options.NodeName,
			options.FileDiscovery,
			options.TokenDiscovery,
			options.TokenDiscoveryCAHash,
			options.TokenDiscoverySkipCAHash,
			options.TLSBootstrapToken,
			options.TokenStr,
			options.Patches,
			options.DryRun,
		},
	}
}

			CACertPath: "/some/cert.crt",
			Discovery: kubeadmapi.Discovery{
				BootstrapToken: &kubeadmapi.BootstrapTokenDiscovery{
					Token: "abcdef.1234567890123456@foobar",
				},
				File: &kubeadmapi.FileDiscovery{
					KubeConfigPath: "foo",
				},
			},
		}, false},
		{&kubeadmapi.JoinConfiguration{ // Pass without JoinControlPlane
			CACertPath: "/some/cert.crt",
			Discovery: kubeadmapi.Discovery{

	return allErrs
}

// ValidateDiscoveryFile validates file discovery configuration
func ValidateDiscoveryFile(f *kubeadm.FileDiscovery, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}

	allErrs = append(allErrs, ValidateDiscoveryKubeConfigPath(f.KubeConfigPath, fldPath.Child("kubeConfigPath"))...)

	return allErrs
}

- kubeadm: JoinConfiguration now houses the discovery options in a nested Discovery structure, which in turn has a couple of other nested structures to house more specific options (BootstrapTokenDiscovery and FileDiscovery) ([#67763](https://github.com/kubernetes/kubernetes/pull/67763), [@rosti](https://github.com/rosti))