public async Task StopAsync()
{
_logger.LogInformation("Unregistering from Nacos");
var removeRequest = new RemoveInstanceRequest
{
ServiceName = _options.ServiceName,
Ip = uri.Host,
Port = uri.Port,
GroupName = _options.GroupName,
NamespaceId = _options.Namespace,
ClusterName = _options.ClusterName,
Ephemeral = false
};
for (int i = 0; i < 3; i++)
{
try
{
var flag = await _client.RemoveInstanceAsync(removeRequest);
_logger.LogDebug("remove instance, status = {0}", flag);
break;
}
catch (Exception ex)
{
_logger.LogError(ex, "Unregistering error, count = {0}", i + 1);
}
}
_timer?.Change(Timeout.Infinite, 0);
_timer?.Dispose();
}
public async Task StopAsync(CancellationToken cancellationToken)
{
_logger.LogWarning("Unregistering from Nacos, serviceName={0}", _options.ServiceName);
var removeRequest = new RemoveInstanceRequest
{
ServiceName = _options.ServiceName,
Ip = uri.Host,
Port = uri.Port,
GroupName = _options.GroupName,
NamespaceId = _options.Namespace,
ClusterName = _options.ClusterName,
Ephemeral = true
};
for (int i = 0; i < 3; i++)
{
try
{
_logger.LogWarning("begin to remove instance, {0}", JsonConvert.SerializeObject(removeRequest));
var flag = await _client.RemoveInstanceAsync(removeRequest);
_logger.LogWarning("remove instance, status = {0}", flag);
break;
}
catch (Exception ex)
{
_logger.LogError(ex, "Unregistering error, count = {0}", i + 1);
}
}
_timer?.Change(Timeout.Infinite, 0);
}
public async Task AddRemoveBeatAsync_Should_Succeed()
{
var request = new RegisterInstanceRequest
{
ServiceName = "testservice",
Ip = "192.168.0.74",
Ephemeral = true,
Port = 9999
};
var resA = await _namingClient.RegisterInstanceAsync(request);
await Task.Delay(10000);
var requestA = new RemoveInstanceRequest
{
ServiceName = "testservice",
Ip = "192.168.0.74",
Ephemeral = true,
Port = 9999
};
var resB = await _namingClient.RemoveInstanceAsync(requestA);
await Task.Delay(10000);
Assert.True(true);
}
public static IApplicationBuilder UseNacosAspNetCore(this IApplicationBuilder app)
{
var namingClient = app.ApplicationServices.GetRequiredService <INacosNamingClient>();
var nacosAspNetCoreConfig = app.ApplicationServices.GetRequiredService <IOptions <NacosAspNetCoreOptions> >();
var logger = app.ApplicationServices.GetRequiredService <ILoggerFactory>().CreateLogger("Nacos.AspNetCore");
var lifetime = app.ApplicationServices.GetRequiredService <IApplicationLifetime>();
if (!(app.Properties["server.Features"] is FeatureCollection features))
{
return(app);
}
var addresses = features.Get <IServerAddressesFeature>();
var address = addresses.Addresses.First();
var uri = new Uri(address);
//var registrerRequest = new RegisterInstanceRequest
//{
// ServiceName = nacosAspNetCoreConfig.Value.ServiceName,
// Ip = uri.Host,
// Port = uri.Port,
// GroupName = nacosAspNetCoreConfig.Value.GroupName,
// NamespaceId = nacosAspNetCoreConfig.Value.Namespace,
// ClusterName = nacosAspNetCoreConfig.Value.ClusterName,
// Enable = true,
// Ephemeral = false,
//};
var timer = new Timer(async x =>
{
await SendAsync(namingClient, nacosAspNetCoreConfig.Value, uri, logger);
}, null, TimeSpan.Zero, TimeSpan.FromSeconds(10));
lifetime.ApplicationStopping.Register(() =>
{
logger.LogInformation("Unregistering from Nacos");
var removeRequest = new RemoveInstanceRequest
{
ServiceName = nacosAspNetCoreConfig.Value.ServiceName,
Ip = uri.Host,
Port = uri.Port,
GroupName = nacosAspNetCoreConfig.Value.GroupName,
NamespaceId = nacosAspNetCoreConfig.Value.Namespace,
ClusterName = nacosAspNetCoreConfig.Value.ClusterName,
Ephemeral = false
};
namingClient.RemoveInstanceAsync(removeRequest).ConfigureAwait(true);
});
return(app);
}
public void Deregister(INacosRegistration registration)
{
RemoveInstanceRequest request = new RemoveInstanceRequest()
{
Ip = registration.Host,
Port = registration.Port,
ServiceName = registration.ServiceId
};
_nacosClient.RemoveInstanceAsync(request);
}
public async Task RemoveInstance_Should_Succeed()
{
var request = new RemoveInstanceRequest
{
ServiceName = "testservice",
Ip = "192.168.0.74",
Port = 9999
};
var res = await _namingClient.RemoveInstanceAsync(request);
Assert.True(res);
}
public Task ShutdownAsync()
{
var tempRegistration = _registrar.Registration;
var removeRequest = new RemoveInstanceRequest
{
ServiceName = tempRegistration.ServiceId,
Ip = tempRegistration.Host,
Port = tempRegistration.Port,
GroupName = tempRegistration.GroupName,
NamespaceId = tempRegistration.Namespace,
ClusterName = tempRegistration.ClusterName,
Ephemeral = tempRegistration.Ephemeral
};
return(_client.RemoveInstanceAsync(removeRequest));
}
public IHttpActionResult RemoveServiceInstance(RemoveInstanceRequest request)
{
var config = Owin.ApiGateway.Configuration.Configuration.Current;
var endpoint = config.Endpoints.FirstOrDefault(e => e.Id.Equals(request.EndpointId));
if (endpoint != null)
{
var instance = endpoint.Instances.Instance.FirstOrDefault(i => i.Url.Equals(request.InstanceUrl));
if (instance != null)
{
endpoint.Instances.Instance.Remove(instance);
this.SaveAndNotify(config);
return(this.Ok());
}
}
return(this.NotFound());
}
public static IApplicationBuilder UseNacosAspNetCore(this IApplicationBuilder app)
{
var namingClient = app.ApplicationServices.GetRequiredService <INacosNamingClient>();
var nacosAspNetCoreConfig = app.ApplicationServices.GetRequiredService <IOptions <NacosAspNetCoreOptions> >();
var logger = app.ApplicationServices.GetRequiredService <ILoggerFactory>().CreateLogger("Nacos.AspNetCore");
var uri = GetUri(app, nacosAspNetCoreConfig.Value);
var timer = new Timer(async x =>
{
await SendAsync(namingClient, nacosAspNetCoreConfig.Value, uri, logger);
}, null, TimeSpan.Zero, TimeSpan.FromSeconds(10));
var lifetime = app.ApplicationServices.GetRequiredService <IHostApplicationLifetime>();
lifetime.ApplicationStopping.Register(() =>
{
logger.LogInformation("Unregistering from Nacos");
var removeRequest = new RemoveInstanceRequest
{
ServiceName = nacosAspNetCoreConfig.Value.ServiceName,
Ip = uri.Host,
Port = uri.Port,
GroupName = nacosAspNetCoreConfig.Value.GroupName,
NamespaceId = nacosAspNetCoreConfig.Value.Namespace,
ClusterName = nacosAspNetCoreConfig.Value.ClusterName,
Ephemeral = false
};
namingClient.RemoveInstanceAsync(removeRequest).ConfigureAwait(true);
timer.Change(Timeout.Infinite, 0);
timer.Dispose();
});
return(app);
}
