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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;
namespace Aspire.Hosting.Azure;
/// <summary>
/// Represents an Azure Cache for Redis resource.
/// </summary>
/// <param name="name">The name of the resource.</param>
/// <param name="configureInfrastructure">Callback to configure the Azure resources.</param>
public class AzureRedisCacheResource(string name, Action<AzureResourceInfrastructure> configureInfrastructure) :
AzureProvisioningResource(name, configureInfrastructure),
IResourceWithConnectionString
{
/// <summary>
/// Gets the "connectionString" output reference from the bicep template for the Azure Redis resource.
///
/// This is used when Entra ID authentication is used. The connection string is an output of the bicep template.
/// </summary>
private BicepOutputReference ConnectionStringOutput => new("connectionString", this);
/// <summary>
/// Gets the "connectionString" secret output reference from the bicep template for the Azure Redis resource.
///
/// This is set when access key authentication is used. The connection string is stored in a secret in the Azure Key Vault.
/// </summary>
internal BicepSecretOutputReference? ConnectionStringSecretOutput { get; set; }
/// <summary>
/// Gets the inner Redis resource.
///
/// This is set when RunAsContainer is called on the AzureRedisCacheResource resource to create a local Redis container.
/// </summary>
internal RedisResource? InnerResource { get; private set; }
/// <inheritdoc />
public override ResourceAnnotationCollection Annotations => InnerResource?.Annotations ?? base.Annotations;
/// <summary>
/// Gets the connection string template for the manifest for the Azure Cache for Redis resource.
/// </summary>
public ReferenceExpression ConnectionStringExpression =>
InnerResource?.ConnectionStringExpression ??
(ConnectionStringSecretOutput is not null ?
ReferenceExpression.Create($"{ConnectionStringSecretOutput}") :
ReferenceExpression.Create($"{ConnectionStringOutput}"));
internal void SetInnerResource(RedisResource innerResource)
{
// Copy the annotations to the inner resource before making it the inner resource
foreach (var annotation in Annotations)
{
innerResource.Annotations.Add(annotation);
}
InnerResource = innerResource;
}
}
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