cs-codex-dist-tests/Framework/KubernetesWorkflow/LocationProvider.cs

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using KubernetesWorkflow.Types;
using Logging;
2023-09-25 06:47:19 +00:00
namespace KubernetesWorkflow
{
public class LocationProvider
{
private readonly TimeSpan locationsExpirationTime = TimeSpan.FromMinutes(10);
private readonly ILog log;
private readonly Action<Action<K8sController>> onController;
private Location[] knownLocations = Array.Empty<Location>();
private DateTime lastUpdate = DateTime.UtcNow;
public LocationProvider(ILog log, Action<Action<K8sController>> onController)
{
this.log = log;
this.onController = onController;
}
public IKnownLocations GetAvailableLocations()
{
if (ShouldUpdateKnownLocations())
{
onController(UpdateKnownLocations);
}
return new KnownLocations(knownLocations);
}
private void UpdateKnownLocations(K8sController controller)
{
knownLocations = controller.GetAvailableK8sNodes().Select(CreateLocation).ToArray();
lastUpdate = DateTime.UtcNow;
log.Log($"Detected {knownLocations.Length} available locations: '{string.Join(",", knownLocations.Select(l => l.ToString()))}'");
}
private Location CreateLocation(K8sNodeLabel k8sNode)
{
return new Location(k8sNode);
}
private bool ShouldUpdateKnownLocations()
{
if (!knownLocations.Any()) return true;
if (DateTime.UtcNow - lastUpdate > locationsExpirationTime) return true;
return false;
}
}
}