Restructure solution layout by module

This commit is contained in:
master
2025-10-28 15:10:40 +02:00
parent 95daa159c4
commit d870da18ce
4103 changed files with 192899 additions and 187024 deletions

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# StellaOps.Notify.Worker — Agent Charter
## Mission
Consume events, evaluate rules, and dispatch deliveries per `docs/ARCHITECTURE_NOTIFY.md`.

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using System.Threading;
using System.Threading.Tasks;
using StellaOps.Notify.Queue;
namespace StellaOps.Notify.Worker.Handlers;
public interface INotifyEventHandler
{
Task HandleAsync(NotifyQueueEventMessage message, CancellationToken cancellationToken);
}

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using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
using StellaOps.Notify.Queue;
namespace StellaOps.Notify.Worker.Handlers;
internal sealed class NoOpNotifyEventHandler : INotifyEventHandler
{
private readonly ILogger<NoOpNotifyEventHandler> _logger;
public NoOpNotifyEventHandler(ILogger<NoOpNotifyEventHandler> logger)
{
_logger = logger;
}
public Task HandleAsync(NotifyQueueEventMessage message, CancellationToken cancellationToken)
{
_logger.LogDebug(
"No-op handler acknowledged event {EventId} (tenant {TenantId}).",
message.Event.EventId,
message.TenantId);
return Task.CompletedTask;
}
}

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using System;
namespace StellaOps.Notify.Worker;
public sealed class NotifyWorkerOptions
{
/// <summary>
/// Worker identifier prefix; defaults to machine name.
/// </summary>
public string? WorkerId { get; set; }
/// <summary>
/// Number of messages to lease per iteration.
/// </summary>
public int LeaseBatchSize { get; set; } = 16;
/// <summary>
/// Duration a lease remains active before it becomes eligible for claim.
/// </summary>
public TimeSpan LeaseDuration { get; set; } = TimeSpan.FromSeconds(30);
/// <summary>
/// Delay applied when no work is available.
/// </summary>
public TimeSpan IdleDelay { get; set; } = TimeSpan.FromMilliseconds(250);
/// <summary>
/// Maximum number of event leases processed concurrently.
/// </summary>
public int MaxConcurrency { get; set; } = 4;
/// <summary>
/// Maximum number of consecutive failures before the worker delays.
/// </summary>
public int FailureBackoffThreshold { get; set; } = 3;
/// <summary>
/// Delay applied when the failure threshold is reached.
/// </summary>
public TimeSpan FailureBackoffDelay { get; set; } = TimeSpan.FromSeconds(5);
internal string ResolveWorkerId()
{
if (!string.IsNullOrWhiteSpace(WorkerId))
{
return WorkerId!;
}
var host = Environment.MachineName;
return $"{host}-{Guid.NewGuid():n}";
}
}

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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using StellaOps.Notify.Queue;
using StellaOps.Notify.Worker.Handlers;
namespace StellaOps.Notify.Worker.Processing;
internal sealed class NotifyEventLeaseProcessor
{
private static readonly ActivitySource ActivitySource = new("StellaOps.Notify.Worker");
private readonly INotifyEventQueue _queue;
private readonly INotifyEventHandler _handler;
private readonly NotifyWorkerOptions _options;
private readonly ILogger<NotifyEventLeaseProcessor> _logger;
private readonly TimeProvider _timeProvider;
private readonly string _workerId;
public NotifyEventLeaseProcessor(
INotifyEventQueue queue,
INotifyEventHandler handler,
IOptions<NotifyWorkerOptions> options,
ILogger<NotifyEventLeaseProcessor> logger,
TimeProvider timeProvider)
{
_queue = queue ?? throw new ArgumentNullException(nameof(queue));
_handler = handler ?? throw new ArgumentNullException(nameof(handler));
_options = options?.Value ?? throw new ArgumentNullException(nameof(options));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_timeProvider = timeProvider ?? TimeProvider.System;
_workerId = _options.ResolveWorkerId();
}
public async Task<int> ProcessOnceAsync(CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
var leaseRequest = new NotifyQueueLeaseRequest(
consumer: _workerId,
batchSize: Math.Max(1, _options.LeaseBatchSize),
leaseDuration: _options.LeaseDuration <= TimeSpan.Zero ? TimeSpan.FromSeconds(30) : _options.LeaseDuration);
IReadOnlyList<INotifyQueueLease<NotifyQueueEventMessage>> leases;
try
{
leases = await _queue.LeaseAsync(leaseRequest, cancellationToken).ConfigureAwait(false);
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to lease Notify events.");
throw;
}
if (leases.Count == 0)
{
return 0;
}
var processed = 0;
foreach (var lease in leases)
{
cancellationToken.ThrowIfCancellationRequested();
processed++;
await ProcessLeaseAsync(lease, cancellationToken).ConfigureAwait(false);
}
return processed;
}
private async Task ProcessLeaseAsync(
INotifyQueueLease<NotifyQueueEventMessage> lease,
CancellationToken cancellationToken)
{
var message = lease.Message;
var correlationId = message.TraceId ?? message.Event.EventId.ToString("N");
using var scope = _logger.BeginScope(new Dictionary<string, object?>
{
["notifyTraceId"] = correlationId,
["notifyTenantId"] = message.TenantId,
["notifyEventId"] = message.Event.EventId,
["notifyAttempt"] = lease.Attempt
});
using var activity = ActivitySource.StartActivity("notify.event.process", ActivityKind.Consumer);
activity?.SetTag("notify.tenant_id", message.TenantId);
activity?.SetTag("notify.event_id", message.Event.EventId);
activity?.SetTag("notify.attempt", lease.Attempt);
activity?.SetTag("notify.worker_id", _workerId);
try
{
_logger.LogInformation(
"Processing notify event {EventId} (tenant {TenantId}, attempt {Attempt}).",
message.Event.EventId,
message.TenantId,
lease.Attempt);
await _handler.HandleAsync(message, cancellationToken).ConfigureAwait(false);
await lease.AcknowledgeAsync(cancellationToken).ConfigureAwait(false);
_logger.LogInformation(
"Acknowledged notify event {EventId} (tenant {TenantId}).",
message.Event.EventId,
message.TenantId);
}
catch (OperationCanceledException) when (cancellationToken.IsCancellationRequested)
{
_logger.LogWarning(
"Worker cancellation requested while processing event {EventId}; returning lease to queue.",
message.Event.EventId);
await SafeReleaseAsync(lease, NotifyQueueReleaseDisposition.Retry, CancellationToken.None).ConfigureAwait(false);
throw;
}
catch (Exception ex)
{
_logger.LogError(
ex,
"Failed to process notify event {EventId}; scheduling retry.",
message.Event.EventId);
await SafeReleaseAsync(lease, NotifyQueueReleaseDisposition.Retry, cancellationToken).ConfigureAwait(false);
}
}
private static async Task SafeReleaseAsync(
INotifyQueueLease<NotifyQueueEventMessage> lease,
NotifyQueueReleaseDisposition disposition,
CancellationToken cancellationToken)
{
try
{
await lease.ReleaseAsync(disposition, cancellationToken).ConfigureAwait(false);
}
catch when (cancellationToken.IsCancellationRequested)
{
// Suppress release errors during shutdown.
}
}
}

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using System;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
namespace StellaOps.Notify.Worker.Processing;
internal sealed class NotifyEventLeaseWorker : BackgroundService
{
private readonly NotifyEventLeaseProcessor _processor;
private readonly NotifyWorkerOptions _options;
private readonly ILogger<NotifyEventLeaseWorker> _logger;
public NotifyEventLeaseWorker(
NotifyEventLeaseProcessor processor,
IOptions<NotifyWorkerOptions> options,
ILogger<NotifyEventLeaseWorker> logger)
{
_processor = processor ?? throw new ArgumentNullException(nameof(processor));
_options = options?.Value ?? throw new ArgumentNullException(nameof(options));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
var idleDelay = _options.IdleDelay <= TimeSpan.Zero
? TimeSpan.FromMilliseconds(500)
: _options.IdleDelay;
while (!stoppingToken.IsCancellationRequested)
{
int processed;
try
{
processed = await _processor.ProcessOnceAsync(stoppingToken).ConfigureAwait(false);
}
catch (OperationCanceledException) when (stoppingToken.IsCancellationRequested)
{
break;
}
catch (Exception ex)
{
_logger.LogError(ex, "Notify worker processing loop encountered an error.");
await Task.Delay(_options.FailureBackoffDelay, stoppingToken).ConfigureAwait(false);
continue;
}
if (processed == 0)
{
try
{
await Task.Delay(idleDelay, stoppingToken).ConfigureAwait(false);
}
catch (OperationCanceledException) when (stoppingToken.IsCancellationRequested)
{
break;
}
}
}
}
}

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using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using StellaOps.Notify.Queue;
using StellaOps.Notify.Worker;
using StellaOps.Notify.Worker.Handlers;
using StellaOps.Notify.Worker.Processing;
var builder = Host.CreateApplicationBuilder(args);
builder.Configuration
.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
.AddEnvironmentVariables(prefix: "NOTIFY_");
builder.Logging.ClearProviders();
builder.Logging.AddSimpleConsole(options =>
{
options.TimestampFormat = "yyyy-MM-ddTHH:mm:ss.fffZ ";
options.UseUtcTimestamp = true;
});
builder.Services.Configure<NotifyWorkerOptions>(builder.Configuration.GetSection("notify:worker"));
builder.Services.AddSingleton(TimeProvider.System);
builder.Services.AddNotifyEventQueue(builder.Configuration, "notify:queue");
builder.Services.AddNotifyDeliveryQueue(builder.Configuration, "notify:deliveryQueue");
builder.Services.AddSingleton<INotifyEventHandler, NoOpNotifyEventHandler>();
builder.Services.AddSingleton<NotifyEventLeaseProcessor>();
builder.Services.AddHostedService<NotifyEventLeaseWorker>();
await builder.Build().RunAsync().ConfigureAwait(false);

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using System.Runtime.CompilerServices;
[assembly: InternalsVisibleTo("StellaOps.Notify.Worker.Tests")]

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net10.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<OutputType>Exe</OutputType>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="10.0.0-rc.2.25502.107" />
<PackageReference Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="10.0.0-rc.2.25502.107" />
<PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.0-rc.2.25502.107" />
<PackageReference Include="Microsoft.Extensions.Logging.Console" Version="10.0.0-rc.2.25502.107" />
<PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="10.0.0-rc.2.25502.107" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\StellaOps.Notify.Queue\StellaOps.Notify.Queue.csproj" />
<ProjectReference Include="..\StellaOps.Notify.Models\StellaOps.Notify.Models.csproj" />
</ItemGroup>
<ItemGroup>
<None Update="appsettings.json">
<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
</None>
</ItemGroup>
</Project>

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# Notify Worker Task Board (Sprint 15)
> Archived 2025-10-26 — worker responsibilities handled in `src/Notifier/StellaOps.Notifier` (Sprints 3840).

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{
"Logging": {
"LogLevel": {
"Default": "Information",
"Microsoft": "Warning",
"Microsoft.Hosting.Lifetime": "Information"
}
},
"notify": {
"worker": {
"leaseBatchSize": 16,
"leaseDuration": "00:00:30",
"idleDelay": "00:00:00.250",
"maxConcurrency": 4,
"failureBackoffThreshold": 3,
"failureBackoffDelay": "00:00:05"
},
"queue": {
"transport": "Redis",
"redis": {
"connectionString": "localhost:6379",
"streams": [
{
"stream": "notify:events",
"consumerGroup": "notify-workers",
"idempotencyKeyPrefix": "notify:events:idemp:",
"approximateMaxLength": 100000
}
]
}
},
"deliveryQueue": {
"transport": "Redis",
"redis": {
"connectionString": "localhost:6379",
"streamName": "notify:deliveries",
"consumerGroup": "notify-delivery",
"idempotencyKeyPrefix": "notify:deliveries:idemp:",
"deadLetterStreamName": "notify:deliveries:dead"
}
}
}
}