added Kafka transport library

.circleci/config.yml

@@ -15,6 +15,17 @@ jobs:
         environment:
           SA_PASSWORD: "Sup3r_p4ssword123"
           ACCEPT_EULA: "Y"
+      - image: 'bitnami/zookeeper:3'
+        environment:
+          ALLOW_ANONYMOUS_LOGIN: yes
+      - image: 'bitnami/kafka:2'
+        environment:
+          KAFKA_LISTENERS: LISTENER_BOB://localhost:29092,LISTENER_FRED://localhost:9092
+          KAFKA_ADVERTISED_LISTENERS: LISTENER_BOB://localhost:29092,LISTENER_FRED://localhost:9092
+          KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_BOB:PLAINTEXT,LISTENER_FRED:PLAINTEXT
+          KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_BOB
+          KAFKA_CFG_ZOOKEEPER_CONNECT: localhost:2181
+          ALLOW_PLAINTEXT_LISTENER: yes
 
     steps:
       - checkout    
@@ -38,6 +49,17 @@ jobs:
         environment:
           SA_PASSWORD: "Sup3r_p4ssword123"
           ACCEPT_EULA: "Y"
+      - image: 'bitnami/zookeeper:3'
+        environment:
+          ALLOW_ANONYMOUS_LOGIN: yes
+      - image: 'bitnami/kafka:2'
+        environment:
+          KAFKA_LISTENERS: LISTENER_BOB://localhost:29092,LISTENER_FRED://localhost:9092
+          KAFKA_ADVERTISED_LISTENERS: LISTENER_BOB://localhost:29092,LISTENER_FRED://localhost:9092
+          KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: LISTENER_BOB:PLAINTEXT,LISTENER_FRED:PLAINTEXT
+          KAFKA_INTER_BROKER_LISTENER_NAME: LISTENER_BOB
+          KAFKA_CFG_ZOOKEEPER_CONNECT: localhost:2181
+          ALLOW_PLAINTEXT_LISTENER: yes
 
     steps:
       - checkout

.gitignore

@@ -4,3 +4,4 @@ obj/
 *.DotSettings.user
 .docker/
 packages/
+TestResults/

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
+## [2021-03-23](https://github.com/mizrael/OpenSleigh/pull/31)
+### Added
+- added Kafka transport library
+
 ## [2021-02-24](https://github.com/mizrael/OpenSleigh/pull/27)
 ### Added
 - added support for compensating transactions

OpenSleigh.sln

@@ -39,6 +39,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OpenSleigh.Persistence.Cosm
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OpenSleigh.Persistence.Cosmos.SQL.Tests", "tests\OpenSleigh.Persistence.Cosmos.SQL.Tests\OpenSleigh.Persistence.Cosmos.SQL.Tests.csproj", "{08E996DB-3D0C-4A63-8166-BF61732D3B21}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSleigh.Transport.Kafka", "src\OpenSleigh.Transport.Kafka\OpenSleigh.Transport.Kafka.csproj", "{887358C5-9EFF-4498-A04B-E12B199EC259}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSleigh.Transport.Kafka.Tests", "tests\OpenSleigh.Transport.Kafka.Tests\OpenSleigh.Transport.Kafka.Tests.csproj", "{5B363808-664B-42F4-8C38-EEFB9F05C500}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -109,6 +113,14 @@ Global
 		{08E996DB-3D0C-4A63-8166-BF61732D3B21}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{08E996DB-3D0C-4A63-8166-BF61732D3B21}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{08E996DB-3D0C-4A63-8166-BF61732D3B21}.Release|Any CPU.Build.0 = Release|Any CPU
+		{887358C5-9EFF-4498-A04B-E12B199EC259}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{887358C5-9EFF-4498-A04B-E12B199EC259}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{887358C5-9EFF-4498-A04B-E12B199EC259}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{887358C5-9EFF-4498-A04B-E12B199EC259}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5B363808-664B-42F4-8C38-EEFB9F05C500}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5B363808-664B-42F4-8C38-EEFB9F05C500}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5B363808-664B-42F4-8C38-EEFB9F05C500}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5B363808-664B-42F4-8C38-EEFB9F05C500}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -128,6 +140,8 @@ Global
 		{13805E00-0578-4E71-AB8B-0AAFCCFD3551} = {5594CC89-F905-46B2-B938-27B8050D9CA3}
 		{E367B2EF-2111-4BBB-B37F-0263559E5FD2} = {5594CC89-F905-46B2-B938-27B8050D9CA3}
 		{08E996DB-3D0C-4A63-8166-BF61732D3B21} = {5594CC89-F905-46B2-B938-27B8050D9CA3}
+		{887358C5-9EFF-4498-A04B-E12B199EC259} = {86CDC8FD-5E6F-4F45-A073-9F2749192582}
+		{5B363808-664B-42F4-8C38-EEFB9F05C500} = {86CDC8FD-5E6F-4F45-A073-9F2749192582}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {D5297242-16B4-43D7-B329-362EBCE2A5A5}

src/OpenSleigh.Core/BackgroundServices/SubscribersBackgroundService.cs

@@ -4,6 +4,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Hosting;
+using OpenSleigh.Core.Messaging;
 
 namespace OpenSleigh.Core.BackgroundServices
 {
@@ -21,8 +22,15 @@ public SubscribersBackgroundService(IEnumerable<ISubscriber> subscribers, System
         public override async Task StartAsync(CancellationToken cancellationToken)
         {
             if (!_systemInfo.PublishOnly)
-                await Task.WhenAll(_subscribers.Select(s => s.StartAsync(cancellationToken)));
-
+            {
+                var tasks = _subscribers.Select(s => s.StartAsync(cancellationToken));
+
+                await Task.Factory.StartNew(() => Task.WhenAll(tasks),
+                                            cancellationToken,
+                                            TaskCreationOptions.LongRunning,
+                                            TaskScheduler.Current);
+            }
+
             await base.StartAsync(cancellationToken);
         }
 

src/OpenSleigh.Core/ISubscriber.cs → src/OpenSleigh.Core/Messaging/ISubscriber.cs

@@ -1,8 +1,7 @@
 using System.Threading;
 using System.Threading.Tasks;
-using OpenSleigh.Core.Messaging;
 
-namespace OpenSleigh.Core
+namespace OpenSleigh.Core.Messaging
 {
     public interface ISubscriber
     {

src/OpenSleigh.Core/OpenSleigh.Core.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <PackageVersion>1.1.1</PackageVersion>
+    <PackageVersion>1.1.2</PackageVersion>
     <IsPackable>true</IsPackable>
     <Authors>davidguida</Authors>
     <Product>OpenSleigh</Product>

src/OpenSleigh.Persistence.Cosmos.SQL/Entities/OutboxMessage.cs

@@ -1,12 +1,18 @@
 using System;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
 
 namespace OpenSleigh.Persistence.Cosmos.SQL.Entities
 {
-    public record OutboxMessage(Guid Id, byte[] Data, string Type)
+    public class OutboxMessage
     {
+        private OutboxMessage()
+        {
+        }
+
+        public Guid Id { get; init; }
+        public byte[] Data { get; init; }
+        public string Type { get; init; }
         public string PartitionKey { get; init; }
+
         public MessageStatuses Status { get; private set; }
         public Guid? LockId { get; private set; }
         public DateTime? LockTime { get; private set; }
@@ -26,8 +32,11 @@ public void Release()
             this.Status = OutboxMessage.MessageStatuses.Processed;
         }
 
-        public static OutboxMessage New(Guid id, byte[] data, string type, Guid correlationId) => new OutboxMessage(id, data, type)
+        public static OutboxMessage New(Guid id, byte[] data, string type, Guid correlationId) => new OutboxMessage
         {
+            Id = id,
+            Data = data,
+            Type = type,
             Status = MessageStatuses.Pending,
             PartitionKey = correlationId.ToString()
         };
@@ -38,16 +47,4 @@ public enum MessageStatuses
             Processed
         }
     }
-
-    internal class OutboxMessageStateEntityTypeConfiguration : IEntityTypeConfiguration<OutboxMessage>
-    {
-        public void Configure(EntityTypeBuilder<OutboxMessage> builder)
-        {
-            builder.ToContainer("OutboxMessages")
-                .HasNoDiscriminator();
-
-            builder.HasKey(e => e.Id);
-            builder.HasPartitionKey(e => e.PartitionKey);
-        }
-    }
 }

src/OpenSleigh.Persistence.Cosmos.SQL/Entities/OutboxMessageStateEntityTypeConfiguration.cs

@@ -0,0 +1,19 @@
+using System.Diagnostics.CodeAnalysis;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace OpenSleigh.Persistence.Cosmos.SQL.Entities
+{
+    [ExcludeFromCodeCoverage]
+    internal class OutboxMessageStateEntityTypeConfiguration : IEntityTypeConfiguration<OutboxMessage>
+    {
+        public void Configure(EntityTypeBuilder<OutboxMessage> builder)
+        {
+            builder.ToContainer("OutboxMessages")
+                .HasNoDiscriminator();
+
+            builder.HasKey(e => e.Id);
+            builder.HasPartitionKey(e => e.PartitionKey);
+        }
+    }
+}

src/OpenSleigh.Persistence.Cosmos.SQL/Entities/SagaState.cs

@@ -1,6 +1,4 @@
 using System;
-using Microsoft.EntityFrameworkCore;
-using Microsoft.EntityFrameworkCore.Metadata.Builders;
 
 namespace OpenSleigh.Persistence.Cosmos.SQL.Entities
 {
@@ -11,16 +9,4 @@ public record SagaState(string PartitionKey, Guid CorrelationId, string Type)
         public DateTime? LockTime { get; set; } = null;
     }
 
-    internal class SagaStateEntityTypeConfiguration : IEntityTypeConfiguration<SagaState>
-    {
-        public void Configure(EntityTypeBuilder<SagaState> builder)
-        {
-            builder.ToContainer("SagaStates")
-                            .HasNoDiscriminator();
-
-            builder.HasKey(e => new {e.CorrelationId, e.Type});
-            builder.HasPartitionKey(e => e.PartitionKey);
-        }
-    }
-
 }

src/OpenSleigh.Persistence.Cosmos.SQL/Entities/SagaStateEntityTypeConfiguration.cs

@@ -0,0 +1,20 @@
+using System.Diagnostics.CodeAnalysis;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace OpenSleigh.Persistence.Cosmos.SQL.Entities
+{
+    [ExcludeFromCodeCoverage]
+    internal class SagaStateEntityTypeConfiguration : IEntityTypeConfiguration<SagaState>
+    {
+        public void Configure(EntityTypeBuilder<SagaState> builder)
+        {
+            builder.ToContainer("SagaStates")
+                            .HasNoDiscriminator();
+
+            builder.HasKey(e => new {e.CorrelationId, e.Type});
+            builder.HasPartitionKey(e => e.PartitionKey);
+        }
+    }
+
+}

src/OpenSleigh.Persistence.Cosmos.SQL/OpenSleigh.Persistence.Cosmos.SQL.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <PackageVersion>0.0.2</PackageVersion>
+    <PackageVersion>0.0.3</PackageVersion>
     <IsPackable>true</IsPackable>
     <Authors>davidguida</Authors>
     <Product>OpenSleigh.Persistence.Cosmos.SQL</Product>

src/OpenSleigh.Persistence.InMemory/Messaging/InMemorySubscriber.cs

@@ -5,7 +5,6 @@
 using System.Threading.Channels;
 using System.Threading.Tasks;
 using Microsoft.Extensions.Logging;
-using OpenSleigh.Core;
 using OpenSleigh.Core.Messaging;
 
 namespace OpenSleigh.Persistence.InMemory.Messaging

src/OpenSleigh.Persistence.InMemory/OpenSleigh.Persistence.InMemory.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <PackageVersion>1.0.1</PackageVersion>
+    <PackageVersion>1.0.2</PackageVersion>
     <IsPackable>true</IsPackable>
     <Authors>davidguida</Authors>
     <Product>OpenSleigh.Persistence.InMemory</Product>

src/OpenSleigh.Persistence.SQL/OpenSleigh.Persistence.SQL.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <PackageVersion>1.0.1</PackageVersion>
+    <PackageVersion>1.0.2</PackageVersion>
     <IsPackable>true</IsPackable>
     <Authors>davidguida</Authors>
     <Product>OpenSleigh.Persistence.SQL</Product>

src/OpenSleigh.Transport.AzureServiceBus/OpenSleigh.Transport.AzureServiceBus.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
-    <PackageVersion>1.0.1</PackageVersion>
+    <PackageVersion>1.0.2</PackageVersion>
     <IsPackable>true</IsPackable>
     <Authors>davidguida</Authors>
     <Product>OpenSleigh.Transport.AzureServiceBus</Product>

src/OpenSleigh.Transport.AzureServiceBus/ServiceBusSubscriber.cs

@@ -1,6 +1,5 @@
 using Azure.Messaging.ServiceBus;
 using Microsoft.Extensions.Logging;
-using OpenSleigh.Core;
 using OpenSleigh.Core.Messaging;
 using System;
 using System.Threading;

src/OpenSleigh.Transport.Kafka/GuidDeserializer.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Runtime.CompilerServices;
+using Confluent.Kafka;
+
+[assembly: InternalsVisibleTo("OpenSleigh.Transport.Kafka.Tests")]
+namespace OpenSleigh.Transport.Kafka
+{
+    internal class GuidDeserializer : IDeserializer<Guid>
+    {
+        public Guid Deserialize(ReadOnlySpan<byte> data, bool isNull, SerializationContext context)
+        {
+            return new Guid(data);
+        }
+    }
+}

src/OpenSleigh.Transport.Kafka/HeaderNames.cs

@@ -0,0 +1,8 @@
+namespace OpenSleigh.Transport.Kafka
+{
+    public static class HeaderNames
+    {
+        public const string MessageType = "message-type";
+        public const string Error = "error";
+    }
+}

src/OpenSleigh.Transport.Kafka/IKafkaBusConfigurationBuilder.cs

@@ -0,0 +1,33 @@
+using Microsoft.Extensions.DependencyInjection;
+using OpenSleigh.Core.DependencyInjection;
+using OpenSleigh.Core.Messaging;
+using System;
+using System.Diagnostics.CodeAnalysis;
+
+namespace OpenSleigh.Transport.Kafka
+{
+    public interface IKafkaBusConfigurationBuilder
+    {
+        void UseMessageNamingPolicy<TM>(QueueReferencesPolicy<TM> policy) where TM : IMessage;
+    }
+
+
+    [ExcludeFromCodeCoverage]
+    internal class DefaultKafkaBusConfigurationBuilder : IKafkaBusConfigurationBuilder
+    {
+        private readonly IBusConfigurator _busConfigurator;
+
+        public DefaultKafkaBusConfigurationBuilder(IBusConfigurator busConfigurator)
+        {
+            _busConfigurator = busConfigurator;
+        }
+
+        public void UseMessageNamingPolicy<TM>(QueueReferencesPolicy<TM> policy) where TM : IMessage
+        {
+            if (policy == null)
+                throw new ArgumentNullException(nameof(policy));
+
+            _busConfigurator.Services.AddSingleton(policy);
+        }
+    }
+}

src/OpenSleigh.Transport.Kafka/IKafkaMessageHandler.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+using Confluent.Kafka;
+
+namespace OpenSleigh.Transport.Kafka
+{
+    public interface IKafkaMessageHandler
+    {
+        Task HandleAsync(ConsumeResult<Guid, byte[]> result, QueueReferences queueReferences, CancellationToken cancellationToken = default);
+    }
+}

src/OpenSleigh.Transport.Kafka/IKafkaPublisherExecutor.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Threading;
+using System.Threading.Tasks;
+using Confluent.Kafka;
+using OpenSleigh.Core.Messaging;
+
+namespace OpenSleigh.Transport.Kafka
+{
+    public interface IKafkaPublisherExecutor
+    {
+        Task<DeliveryResult<Guid, byte[]>> PublishAsync(IMessage message, 
+            string topic,
+            IEnumerable<Header> additionalHeaders = null,
+            CancellationToken cancellationToken = default);
+    }
+}