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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Aspire.Hosting.ApplicationModel;
using Aspire.Hosting.Azure;
using Azure.Provisioning;
using Azure.Provisioning.SignalR;
namespace Aspire.Hosting;
/// <summary>
/// Provides extension methods for adding the Azure SignalR resources to the application model.
/// </summary>
public static class AzureSignalRExtensions
{
/// <summary>
/// Adds an Azure SignalR resource to the application model.
/// </summary>
/// <param name="builder">The <see cref="IDistributedApplicationBuilder"/>.</param>
/// <param name="name">The name of the resource. This name will be used as the connection string name when referenced in a dependency.</param>
/// <returns>A reference to the <see cref="IResourceBuilder{T}"/>.</returns>
public static IResourceBuilder<AzureSignalRResource> AddAzureSignalR(this IDistributedApplicationBuilder builder, [ResourceName] string name)
{
builder.AddAzureProvisioning();
var configureInfrastructure = (AzureResourceInfrastructure infrastructure) =>
{
var service = new SignalRService(infrastructure.AspireResource.GetBicepIdentifier())
{
Kind = SignalRServiceKind.SignalR,
Sku = new SignalRResourceSku()
{
Name = "Free_F1",
Capacity = 1
},
Features =
[
new SignalRFeature()
{
Flag = SignalRFeatureFlag.ServiceMode,
Value = "Default"
}
],
CorsAllowedOrigins = ["*"],
Tags = { { "aspire-resource-name", infrastructure.AspireResource.Name } }
};
infrastructure.Add(service);
infrastructure.Add(new ProvisioningOutput("hostName", typeof(string)) { Value = service.HostName });
var principalTypeParameter = new ProvisioningParameter(AzureBicepResource.KnownParameters.PrincipalType, typeof(string));
var principalIdParameter = new ProvisioningParameter(AzureBicepResource.KnownParameters.PrincipalId, typeof(string));
infrastructure.Add(service.CreateRoleAssignment(SignalRBuiltInRole.SignalRAppServer, principalTypeParameter, principalIdParameter));
};
var resource = new AzureSignalRResource(name, configureInfrastructure);
return builder.AddResource(resource)
.WithParameter(AzureBicepResource.KnownParameters.PrincipalId)
.WithParameter(AzureBicepResource.KnownParameters.PrincipalType)
.WithManifestPublishingCallback(resource.WriteToManifest);
}
}
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