Runax.Messaging.Transports.Google.PubSub 2.0.0

.NET 10.0 This package targets .NET 10.0. The package is compatible with this framework or higher. 
dotnet add package Runax.Messaging.Transports.Google.PubSub --version 2.0.0
                    


                    

                
NuGet\Install-Package Runax.Messaging.Transports.Google.PubSub -Version 2.0.0
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="Runax.Messaging.Transports.Google.PubSub" Version="2.0.0" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
<PackageVersion Include="Runax.Messaging.Transports.Google.PubSub" Version="2.0.0" />
                    


                            Directory.Packages.props
                        

                    

                
<PackageReference Include="Runax.Messaging.Transports.Google.PubSub" />
                    


                            Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package. 
paket add Runax.Messaging.Transports.Google.PubSub --version 2.0.0
                    


                    

                
#r "nuget: Runax.Messaging.Transports.Google.PubSub, 2.0.0"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
#:package Runax.Messaging.Transports.Google.PubSub@2.0.0
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package. 
#addin nuget:?package=Runax.Messaging.Transports.Google.PubSub&version=2.0.0
                    


                            Install as a Cake Addin
                        

                    

                
#tool nuget:?package=Runax.Messaging.Transports.Google.PubSub&version=2.0.0
                    


                            Install as a Cake Tool

Runax.Messaging.Transports.Google.PubSub

Google Cloud Pub/Sub transport for Runax.Messaging. A topic maps to a Pub/Sub topic for publishing and to a subscription for consuming.

Install

dotnet add package Runax.Messaging
dotnet add package Runax.Messaging.Transports.Google.PubSub

Register

Attach the transport to a bus with its config object:

using Runax.Messaging;
using Runax.Messaging.Transports.Google.PubSub;

builder.Services.AddRunaxMessaging(messaging =>
{
    messaging.AddBus(bus =>
    {
        bus.AddTransport(new GooglePubSubConfig
        {
            ProjectId = "my-gcp-project",
            TopicSubscriptionMap =
            {
                ["orders.placed"] = "orders-worker",   // topic -> subscription id
            },
        });
        bus.AddConsumer<OrderPlacedConsumer>();
    });
});

GooglePubSubConfig lives in the Runax.Messaging.Transports.Google.PubSub namespace, so add that using. The config is validated at startup (DataAnnotations, when the AddBus block completes); bind it from an IConfiguration section instead of setting properties: bus.AddTransport<GooglePubSubConfig>(builder.Configuration.GetSection("PubSub")).

Authentication uses Application Default Credentials. For local development, point at the Pub/Sub emulator with the PUBSUB_EMULATOR_HOST environment variable.

Config

Set these directly on GooglePubSubConfig.

Property Meaning Default Required?
ProjectId Google Cloud project id. (none) Yes
TopicSubscriptionMap Topic → subscription id used to consume it. Topics without an entry consume from a subscription named after the topic. empty No
RegisterHealthCheck Auto-register the runax:{bus} health check (inherited from TransportConfig). true No

Beyond the transport config, settings from the core package apply to the bus that runs this transport — AddConsumer<T>(), WithRetry(...), OnUnroutableMessage(...), ConfigureSerialization(...), and UseSerializer<T>() — all inside the same AddBus block. See Configuration & per-bus settings.

Behavior

  • Publish sends the serialized envelope to the Pub/Sub topic named after the runax topic.
  • Subscribe starts a streaming pull per topic (on the mapped subscription) and maps the dispatch verdict to the message:
    • Acknowledge → ack
    • Requeue and DeadLetter → nack, so Pub/Sub redelivers — and, once maxDeliveryAttempts is reached, routes the message to the subscription's dead-letter topic if one is configured

Topics and subscriptions are not created by the transport; provision them (and any dead-letter policy) ahead of time.

Health check

A reachability check named runax:{bus} is registered automatically for each bus that runs this transport (RegisterHealthCheck = false on the config to opt out).

Telemetry

The transport reports messaging.system = "google_pubsub" on the spans and metrics emitted by the core package (activity source / meter "Runax.Messaging"); the messaging.runax.bus tag identifies the bus.

License

MIT

Product Compatible and additional computed target framework versions.
.NET net10.0 is compatible.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

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Version Downloads Last Updated
2.0.0 101 9/10/2026
1.0.0 113 7/26/2026