protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
var myPodIp = GetLocalIPAddress();
var config = ConfigurationFactory.ParseString(@"
akka {
actor.provider = cluster
remote.dot-netty.tcp {
hostname = """ + myPodIp + @"""
port = 2551
}
cluster.roles = [sample,demo]
cluster.discovery {
provider = akka.cluster.discovery.k8s
k8s {
refresh-interval = 10s
namespace = ""default""
label-selector = ""akka-cluster=sample,env=Development""
}
}
}" );
using var system = ActorSystem.Create("sample", config);
await ClusterDiscovery.JoinAsync(system);
system.ActorOf(Props.Create <SampleActor>());
try
{
while (!stoppingToken.IsCancellationRequested)
{
var sb = new StringBuilder();
sb.AppendLine($"My address: {myPodIp}");
var state = Cluster.Get(system).State;
foreach (var member in state.Members)
{
sb.AppendLine($" Member: {member.Address} = {member.Status}, Seen by = {state.SeenBy.Contains(member.Address)} [{string.Join(", ", member.Roles)}]");
}
logger.LogInformation("Status:\r\n" + sb.ToString());
await Task.Delay(10000, stoppingToken);
}
}
finally
{
var cluster = Cluster.Get(system);
await cluster.LeaveAsync();
}
}
public override async Task StartAsync(CancellationToken cancellationToken)
{
cluster = Akka.Cluster.Cluster.Get(ActorSystem);
cluster.RegisterOnMemberUp(RegisterOnMemberUp);
cluster.RegisterOnMemberRemoved(RegisterOnMemberRemoved);
ClusterDiscovery.Get(ActorSystem);
await ClusterDiscovery.JoinAsync(ActorSystem);
}
private static async Task RunAsync()
{
var config = ConfigurationFactory.ParseString(@"
akka {
actor.provider = cluster
remote.dot-netty.tcp {
hostname = ""127.0.0.1""
port = 0
}
cluster.discovery {
provider = akka.cluster.discovery.consul
consul {
listener-url = ""http://127.0.0.1:8500""
refresh-interval = 10s
# restart consul client every 5 minutes
restart-interval = 5m
}
}
}" );
using (var system = ActorSystem.Create("sample", config))
{
await ClusterDiscovery.JoinAsync(system);
system.ActorOf(Props.Create <SampleActor>());
Console.WriteLine("Press enter to shutdown the current node...");
Console.ReadLine();
var cluster = Cluster.Get(system);
await cluster.LeaveAsync();
Console.WriteLine("Node terminated. Press enter to exit...");
Console.ReadLine();
}
}
