RetrieveSecret.cs

// ------------------------------------------------------------
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
// ------------------------------------------------------------

namespace dotnet_isolated_azurefunction
{
    using System.Collections.Generic;
    using Microsoft.Azure.Functions.Worker;
    using Microsoft.Azure.Functions.Worker.Extensions.Dapr;
    using Microsoft.Extensions.Logging;

    public static class RetrieveSecret
    {
        /// <summary>
        /// Example to use Dapr Service Invocation Trigger and Dapr Secret input binding to retrieve a saved state from statestore
        /// </summary>
        [Function("RetrieveSecret")]
        public static void Run(
            [DaprServiceInvocationTrigger] object args,
            [DaprSecretInput("kubernetes", "my-secret", Metadata = "metadata.namespace=default")] IDictionary<string, string> secret, 
            FunctionContext functionContext)
        {
            var log = functionContext.GetLogger("RetrieveSecret");
            log.LogInformation("C# function processed a RetrieveSecret request from the Dapr Runtime.");

            // print the fetched secret value
            // this is only for demo purpose
            // please do not log any real secret in your production code        
            foreach (var kvp in secret)
            {
                log.LogInformation("Stored secret: Key = {0}, Value = {1}", kvp.Key, kvp.Value);
            }

        }
    }
}