func FromApiserverCache(opts *metav1.GetOptions) {
	opts.ResourceVersion = "0"
}

var IsUnixDomainSocket = filesystem.IsUnixDomainSocket

// GetNodenameForKernel gets hostname value to set in the hostname field (the nodename field of struct utsname) of the pod.
func GetNodenameForKernel(hostname string, hostDomainName string, setHostnameAsFQDN *bool) (string, error) {
	kernelHostname := hostname

		expectedHostname:  "",
		expectError:       true,
	}}

	for _, tc := range testcases {
		t.Logf("TestCase: %q", tc.description)
		outputHostname, err := GetNodenameForKernel(tc.hostname, tc.hostDomain, &tc.setHostnameAsFQDN)
		if tc.expectError {
			assert.Error(t, err)
		} else {
			assert.NoError(t, err)
		}
		assert.Equal(t, tc.expectedHostname, outputHostname)
	}

}

		// TODO: Add domain support in new runtime interface
		podHostname, podDomain, err := m.runtimeHelper.GeneratePodHostNameAndDomain(pod)
		if err != nil {
			return nil, err
		}
		podHostname, err = util.GetNodenameForKernel(podHostname, podDomain, pod.Spec.SetHostnameAsFQDN)
		if err != nil {
			return nil, err
		}
		podSandboxConfig.Hostname = podHostname
	}

	}
	// nodename will be equal to hostname if SetHostnameAsFQDN is nil or false. If SetHostnameFQDN
	// is true and hostDomainName is defined, nodename will be the FQDN (hostname.hostDomainName)
	nodename, err := util.GetNodenameForKernel(hostname, hostDomainName, pod.Spec.SetHostnameAsFQDN)
	if err != nil {
		return nil, nil, err
	}
	opts.Hostname = nodename
	podName := volumeutil.GetUniquePodName(pod)