/// <summary>
/// Configures depdendency injection.
/// </summary>
/// <param name="services">The service collection.</param>
public void ConfigureServices(IServiceCollection services)
{
// $hack(jefflill):
//
// This will be called when CRDs and other assets are being generated by KubeOps
// and also when the service is actually being started. We need to load the
// [WATCHER_MAX_RETRY_INTERVAL] environment variable. Unfortunately, [Program.Service]
// won't be set when generating CRDs, so we'll just set a default value.
var watcherTimeout = TimeSpan.FromMinutes(2);
var watcherRetry = TimeSpan.FromSeconds(15);
if (Program.Service != null)
{
watcherTimeout = Program.Service.Environment.Get("WATCHER_TIMEOUT_INTERVAL", watcherTimeout);
watcherRetry = Program.Service.Environment.Get("WATCHER_MAX_RETRY_INTERVAL", watcherRetry);
}
var watcherTimeoutSeconds = Math.Max(1, Math.Max(ushort.MaxValue, (int)Math.Ceiling(watcherTimeout.TotalSeconds)));
var watcherRetrySeconds = Math.Max(1, (int)Math.Ceiling(watcherTimeout.TotalSeconds));
var k8s = OperatorHelper.GeneratingCRDs ? KubernetesWithRetry.CreateDisconnected()
: new KubernetesWithRetry(KubernetesClientConfiguration.BuildDefaultConfig());
var operatorBuilder = services
.AddSingleton(k8s)
.AddKubernetesOperator(
settings =>
{
settings.EnableAssemblyScanning = true;
settings.EnableLeaderElection = false; // ResourceManager is managing leader election
settings.WatcherHttpTimeout = (ushort)watcherTimeoutSeconds;
settings.WatcherMaxRetrySeconds = watcherRetrySeconds;
});
Program.AddResourceAssemblies(operatorBuilder);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="jsonClient">The JSON client for interacting with the headend.</param>
public AcmeController(
Service service,
JsonClient jsonClient)
{
this.service = service;
this.jsonClient = jsonClient;
this.k8s = service.Kubernetes;
}
/// <inheritdoc/>
protected async override Task <int> OnRunAsync()
{
await SetStatusAsync(NeonServiceStatus.Starting);
Kubernetes = new KubernetesWithRetry(KubernetesClientConfiguration.BuildDefaultConfig());
// Start the web service.
var port = 443;
if (NeonHelper.IsDevWorkstation)
{
port = 11004;
}
webHost = new WebHostBuilder()
.ConfigureAppConfiguration(
(hostingcontext, config) =>
{
config.Sources.Clear();
})
.UseStartup <Startup>()
.UseKestrel(options => {
options.Listen(IPAddress.Any, port, listenOptions =>
{
if (!NeonHelper.IsDevWorkstation)
{
listenOptions.UseHttps(X509Certificate2.CreateFromPem(
File.ReadAllText(@"/tls/tls.crt"),
File.ReadAllText(@"/tls/tls.key")));
}
});
})
.ConfigureServices(services => services.AddSingleton(typeof(Service), this))
.UseStaticWebAssets()
.Build();
_ = webHost.RunAsync();
Log.LogInfo($"Listening on {IPAddress.Any}:{port}");
// Indicate that the service is ready for business.
await SetStatusAsync(NeonServiceStatus.Running);
// Handle termination gracefully.
await Terminator.StopEvent.WaitAsync();
Terminator.ReadyToExit();
return(0);
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="configuration">Specifies the service configuration.</param>
/// <param name="service">Specifies the service.</param>
public Startup(IConfiguration configuration, Service service)
{
Configuration = configuration;
this.NeonDashboardService = service;
k8s = service.Kubernetes;
}
/// <inheritdoc/>
protected async override Task <int> OnRunAsync()
{
await SetStatusAsync(NeonServiceStatus.Starting);
var port = 80;
Kubernetes = new KubernetesWithRetry(KubernetesClientConfiguration.BuildDefaultConfig());
_ = Kubernetes.WatchAsync <V1ConfigMap>(async(@event) =>
{
await SyncContext.Clear;
ClusterInfo = TypeSafeConfigMap <ClusterInfo> .From(@event.Value).Config;
Log.LogInfo($"Updated cluster info");
},
KubeNamespace.NeonStatus,
fieldSelector: $"metadata.name={KubeConfigMapName.ClusterInfo}");
Dashboards = new List <Dashboard>();
Dashboards.Add(
new Dashboard(
id: "neonkube",
name: "neonKUBE",
displayOrder: 0));
_ = Kubernetes.WatchAsync <V1NeonDashboard>(async(@event) =>
{
await SyncContext.Clear;
switch (@event.Type)
{
case WatchEventType.Added:
await AddDashboardAsync(@event.Value);
break;
case WatchEventType.Deleted:
await RemoveDashboardAsync(@event.Value);
break;
case WatchEventType.Modified:
await RemoveDashboardAsync(@event.Value);
await AddDashboardAsync(@event.Value);
break;
default:
break;
}
Dashboards = Dashboards.OrderBy(d => d.DisplayOrder)
.ThenBy(d => d.Name).ToList();
});
if (NeonHelper.IsDevWorkstation)
{
port = 11001;
SetEnvironmentVariable("LOG_LEVEL", "debug");
SetEnvironmentVariable("DO_NOT_TRACK", "true");
SetEnvironmentVariable("COOKIE_CIPHER", "/HwPfpfACC70Rh1DeiMdubHINQHRGfc4JP6DYcSkAQ8=");
await ConfigureDevAsync();
}
var metricsHost = GetEnvironmentVariable("METRICS_HOST", "http://mimir-query-frontend.neon-monitor.svc.cluster.local:8080");
PrometheusClient = new PrometheusClient($"{metricsHost}/prometheus/");
SsoClientSecret = GetEnvironmentVariable("SSO_CLIENT_SECRET", redacted: !Log.IsLogDebugEnabled);
AesCipher = new AesCipher(GetEnvironmentVariable("COOKIE_CIPHER", AesCipher.GenerateKey(), redacted: !Log.IsLogDebugEnabled));
// Start the web service.
webHost = new WebHostBuilder()
.ConfigureAppConfiguration(
(hostingcontext, config) =>
{
config.Sources.Clear();
})
.UseStartup <Startup>()
.UseKestrel(options => options.Listen(IPAddress.Any, port))
.ConfigureServices(services => services.AddSingleton(typeof(Service), this))
.UseStaticWebAssets()
.Build();
_ = webHost.RunAsync();
Log.LogInfo($"Listening on {IPAddress.Any}:{port}");
// Indicate that the service is running.
await StartedAsync();
// Handle termination gracefully.
await Terminator.StopEvent.WaitAsync();
Terminator.ReadyToExit();
return(0);
}
