.net7, and topic lister will also create them

.vscode/launch.json

@@ -10,7 +10,7 @@
             "request": "launch",
             "preLaunchTask": "build",
             // If you have changed target frameworks, make sure to update the program path.
-            "program": "${workspaceFolder}/franz.tests/bin/Debug/net6.0/franz.tests.dll",
+            "program": "${workspaceFolder}/franz.tests/bin/Debug/net7.0/franz.tests.dll",
             "args": [],
             "cwd": "${workspaceFolder}/franz.tests",
             // For more information about the 'console' field, see https://aka.ms/VSCode-CS-LaunchJson-Console

Jenkinsfile

@@ -1,7 +1,7 @@
 pipeline {
     agent any
     tools {
-        dotnetsdk 'dotnet6'
+        dotnetsdk 'dotnet7'
     }
     stages {
         stage('build franz') {

franz.tests/Program.cs

@@ -9,7 +9,7 @@ namespace franz.tests
         static void Main(string[] args)
         {
             Console.WriteLine("Hello World, I'm " + Dns.GetHostName());
-            Telefranz.Configure("tester", "alloces:9092", new System.Collections.Generic.List<string>(){"a!"});
+            Telefranz.Configure("tester", "alloces.lan:9092", new System.Collections.Generic.List<string>(){"a!"});
             
             Console.WriteLine("telefranz configured");
 

franz.tests/franz.tests.csproj

@@ -6,7 +6,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
   </PropertyGroup>
 
 </Project>

franz/Telefranz.cs

@@ -104,6 +104,7 @@ namespace franz
         {
             config = new ConsumerConfig
             {
+                AllowAutoCreateTopics = true,
                 BootstrapServers = bootstrap_servers,
                 GroupId = name,
                 AutoOffsetReset = AutoOffsetReset.Earliest

franz/franz.csproj

@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <PackageId>greyn.franz</PackageId>
-    <Version>2.0.1</Version>
+    <Version>2.1.0</Version>
     <Authors>Adam R Grey</Authors>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Confluent.Kafka" Version="1.9.3" />
+    <PackageReference Include="Confluent.Kafka" Version="2.0.2" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
   </ItemGroup>
 

topiclister/Program.cs

@@ -1,14 +1,23 @@
 using franz;
 using System;
+using System.Threading.Tasks;
 using System.Linq;
+using Confluent.Kafka;
+using Confluent.Kafka.Admin;
 
 namespace topiclister
 {
     class Program
     {
-        static void Main(string[] args)
+        static async Task Main(string[] args)
         {
-            Telefranz.Configure("shut up", "localhost:9092");
+            try{
+            var ignoreme = Telefranz.Instance ;
+            }
+            catch(NotInitializedException)
+            {
+                //gulp, mmm
+            }
             var listOfBs = AppDomain.CurrentDomain.GetAssemblies()
               .SelectMany(domainAssembly => domainAssembly.GetTypes())
               .Where(type => type.IsSubclassOf(typeof(gray_messages.message)) && !type.IsAbstract)
@@ -16,15 +25,28 @@ namespace topiclister
 
             if (listOfBs != null && listOfBs.Any())
             {
-                foreach (var b in listOfBs)
+                using (var adminClient = new AdminClientBuilder(new AdminClientConfig { BootstrapServers = "alloces.lan:9092" }).Build())
                 {
-                    Console.WriteLine(b);
+                    foreach (var b in listOfBs)
+                    {
+                        Console.WriteLine(b.ToString());
+                        try
+                        {
+                            await adminClient.CreateTopicsAsync(new TopicSpecification[] {
+                            new TopicSpecification { Name = b.ToString(), ReplicationFactor = 1, NumPartitions = 1, } });
+                        }
+                        catch (CreateTopicsException e)
+                        {
+                            Console.WriteLine($"An error occured creating topic {e.Results[0].Topic}: {e.Results[0].Error.Reason}");
+                        }
+                    }
                 }
             }
             else
             {
                 Console.WriteLine(":(");
             }
+
         }
     }
 }

topiclister/topiclister.csproj

@@ -6,7 +6,10 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Confluent.Kafka" Version="2.0.2" />
+  </ItemGroup>
 </Project>