in gce-vm-labeler/gcf/nodejs/index.js [59:70]
async function getInstanceLabelFingerprint(authClient, project, zone, instanceName) {
var request = {
project: project,
zone: zone,
instance: instanceName,
auth: authClient
};
var response = await compute.instances.get(request);
var labelFingerprint = response.data.labelFingerprint;
return labelFingerprint;
}