private static void Scheduler_OnIntentDueCallback(IntentJob intentJob)
{
if (intentJob.RequiresIteration)
{
try
{
var compilerResults = Intent.IntentCompiler.CompileCSharpString(File.ReadAllText(intentJob.FileName));
var tempType = compilerResults.CompiledAssembly.GetType("ShiftPolicy");
List <Topology.Node.Node> iterateNodes = (List <Topology.Node.Node>)tempType.GetMethod("IterateNodes").Invoke(null, new object[] { igp_topology });
foreach (var node in iterateNodes)
{
var iJob = new IntentJob(
fileName: intentJob.FileName,
intentCode: IntentJob.Base64Decode(intentJob.Base64IntentCode),
period: intentJob.Period,
validBefore: intentJob.ValidBefore,
requiresIteration: intentJob.RequiresIteration,
iterateNode: node
);
IntentQueueProducer.Publish(JsonConvert.SerializeObject(iJob));
IntentJobTasksCount.Inc();
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
else
{
IntentQueueProducer.Publish(JsonConvert.SerializeObject(intentJob));
IntentJobTasksCount.Inc();
}
}
private void IntentTimer_Elapsed(object sender, ElapsedEventArgs e)
{
// k8s scaling
try
{
var client = new RestClient(this.config.K8sAPIHelperURI);
var getReplicas = new RestRequest("/statefulsets/replicas/" + this.config.K8sNamespace + "/" + this.config.K8sYggdrasil2RunnerStatefulSetName, Method.GET);
var response = client.Execute(getReplicas);
if (response.StatusCode == System.Net.HttpStatusCode.OK)
{
JObject jObject = JObject.Parse(response.Content);
var replicas = (int)jObject["Replicas"];
// Console.WriteLine("k8s :::: {0} has {1} replicas.", jObject["Name"], replicas);
// Replicas Policy
var nodes = this.igp_topology.Nodes.Count(n => !string.IsNullOrWhiteSpace(n.IPv4RouterIdentifier));
int iterativeJobs = intent_jobs.Count(j => j.Value.RequiresIteration == true);
int nonIterativeJobs = intent_jobs.Count - iterativeJobs;
int desiredReplicas = (int)(Math.Ceiling(nodes / 2.0) * Math.Ceiling(iterativeJobs / 2.0)) +
(int)(Math.Ceiling(nodes / 2.0) * Math.Ceiling(nonIterativeJobs / 8.0));
//
if (replicas != desiredReplicas && desiredReplicas > 0)
{
var setReplicas = new RestRequest("/statefulsets/replicas/" + this.config.K8sNamespace + "/" + this.config.K8sYggdrasil2RunnerStatefulSetName + "/update/" + desiredReplicas, Method.POST);
response = client.Execute(setReplicas);
if (response.StatusCode == System.Net.HttpStatusCode.OK)
{
Console.WriteLine("k8s :::: Scaled {0} to {1} replicas.", jObject["Name"], desiredReplicas);
}
else
{
Console.WriteLine("k8s :::: Unable to scale {0} to {1} replicas.", jObject["Name"], desiredReplicas);
}
}
}
else
{
Console.WriteLine("k8s :::: Unable to get replicas for {0}.", config.K8sYggdrasil2RunnerStatefulSetName);
}
}
catch (Exception ex)
{
Console.WriteLine("{0} ::: {1}", System.Reflection.MethodBase.GetCurrentMethod().Name, ex.Message);
}
foreach (var file_name in intent_jobs.Keys)
{
if (File.Exists(file_name) && DateTime.Now < intent_jobs[file_name].ValidBefore)
{
// If the file exists then check next intent run
var next_run = intent_jobs[file_name].NextRun();
// If intent is due then raise intent job event
if (DateTime.Now >= next_run)
{
this.OnIntentDueCallback?.Invoke(intent_jobs[file_name]);
}
}
else
{
// Remove job if the intent file does not exist anymore
// or the intent has expired
var value = new IntentJob();
intent_jobs.TryRemove(file_name, out value);
IntentJobs.Set(intent_jobs.Count);
}
}
}
