> + logger.debug("Generating windows key for instance %s, by updating
> metadata", instance.get().name());
> + final InstanceApi instanceApi = api.instancesInZone(zone);
> + Metadata metadata = instance.get().metadata();
> + // If disableHtmlEscaping is not there, == will be escaped from
> modulus value
> + metadata.put("windows-keys", new
> GsonBuilder().disableHtmlEscaping().create().toJson(extractKeyMetadata(keys)));
> +
> + AtomicReference<Operation> operation =
> Atomics.newReference(instanceApi.setMetadata(instance.get().name(),
> metadata));
> + operationDone.apply(operation);
> +
> + if (operation.get().httpErrorStatusCode() != null) {
> + logger.warn("Generating windows key for %s failed. Http Error
> Code: %d HttpError: %s",
> + operation.get().targetId(),
> operation.get().httpErrorStatusCode(),
> + operation.get().httpErrorMessage());
> + }
> +
> + TimeLimiter limiter = new SimpleTimeLimiter();
The pattern is a little different here.
My aim is not to verify uncertain predicate or or verify reach-ability.
I just want to return on first success.
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