public virtual async Task <Uri> ResolveServiceInstanceAsync(Uri request)
{
_logger?.LogTrace("ResolveServiceInstance {serviceInstance}", request.Host);
var availableServiceInstances = await _serviceInstanceProvider.GetSkynetCloudInstancesWithCacheAsync(request.Host, _distributedCache).ConfigureAwait(false);
if (availableServiceInstances.Count > 0)
{
// load balancer instance selection predictability is not likely to be a security concern
var resolvedUri = availableServiceInstances[_random.Next(availableServiceInstances.Count)].Uri;
_logger?.LogDebug("Resolved {url} to {service}", request.Host, resolvedUri.Host);
return(new Uri(resolvedUri, request.PathAndQuery));
}
else
{
_logger?.LogWarning("Attempted to resolve service for {url} but found 0 instances", request.Host);
return(request);
}
}
