static void Main(string[] args)
{
Log.Logger = new LoggerConfiguration()
.WriteTo.Console(new RenderedCompactJsonFormatter())
.Enrich.FromLogContext()
.CreateLogger();
// See https://support.microsoft.com/en-gb/help/821268/contention-poor-performance-and-deadlocks-when-you-make-calls-to-web-s
ThreadPool.SetMaxThreads(100, 100);
ThreadPool.SetMinThreads(50, 50);
Parser.Default.ParseArguments <DeploymentPoolArgs>(args)
.WithParsed(parsedArgs =>
{
parsedArgs.Validate();
var spatialRefreshToken = Environment.GetEnvironmentVariable(SpatialRefreshTokenEnvironmentVariable) ??
throw new Exception(
$"{SpatialRefreshTokenEnvironmentVariable} environment variable is required.");
if (spatialRefreshToken == "")
{
throw new ArgumentException("Refresh token should not be empty");
}
IAnalyticsSender analyticsSender = new AnalyticsSenderBuilder("deployment_pool")
.WithCommandLineArgs(parsedArgs)
.With(new LogExceptionStrategy(Log.Logger))
.Build();
var spatialDeploymentClient =
DeploymentServiceClient.Create(credentials: new PlatformRefreshTokenCredential(spatialRefreshToken));
var spatialSnapshotClient =
SnapshotServiceClient.Create(credentials: new PlatformRefreshTokenCredential(spatialRefreshToken));
var platformInvoker = new PlatformInvoker(parsedArgs, spatialDeploymentClient, spatialSnapshotClient, analyticsSender);
var cancelTokenSource = new CancellationTokenSource();
var cancelToken = cancelTokenSource.Token;
var metricsServer = new MetricServer(parsedArgs.MetricsPort).Start();
var dplPool = new DeploymentPool(parsedArgs, spatialDeploymentClient, platformInvoker, cancelToken, analyticsSender);
var dplPoolTask = Task.Run(() => dplPool.Start());
var unixSignalTask = Task.Run(() => UnixSignal.WaitAny(new[] { new UnixSignal(Signum.SIGINT), new UnixSignal(Signum.SIGTERM) }));
Task.WaitAny(dplPoolTask, unixSignalTask);
if (unixSignalTask.IsCompleted)
{
Log.Information($"Received UNIX signal {unixSignalTask.Result}");
Log.Information("Server shutting down...");
cancelTokenSource.Cancel();
metricsServer.StopAsync();
dplPoolTask.Wait();
Log.Information("Server stopped cleanly");
}
else
{
/* The server task has completed; we can just exit. */
Log.Information($"The deployment pool has stopped itself or encountered an unhandled exception {dplPoolTask.Exception}");
}
});
}
public DeploymentPool(
DeploymentPoolArgs args,
DeploymentServiceClient deploymentServiceClient,
PlatformInvoker platformInvoker,
CancellationToken token)
{
cancelToken = token;
matchType = args.MatchType;
spatialProject = args.SpatialProject;
minimumReadyDeployments = args.MinimumReadyDeployments;
cleanup = args.Cleanup;
this.platformInvoker = platformInvoker;
this.deploymentServiceClient = deploymentServiceClient;
}
public DeploymentPool(
DeploymentPoolArgs args,
DeploymentServiceClient deploymentServiceClient,
PlatformInvoker platformInvoker,
CancellationToken token,
IAnalyticsSender analytics = null)
{
cancelToken = token;
matchType = args.MatchType;
spatialProject = args.SpatialProject;
minimumReadyDeployments = args.MinimumReadyDeployments;
cleanup = args.Cleanup;
this.platformInvoker = platformInvoker;
this.deploymentServiceClient = deploymentServiceClient;
_analytics = (analytics ?? new NullAnalyticsSender()).WithEventClass("deployment");
}