AWS.Lambda.Powertools.Parameters

AWS.Lambda.Powertools.Parameters

The Parameters utility provides high-level functionality to retrieve one or multiple parameter values from AWS Systems Manager Parameter Store, AWS Secrets Manager, or Amazon DynamoDB. Or bring your own providers.

Key features

• Retrieve one or multiple parameters from the underlying provider
• Cache parameter values for a given amount of time (defaults to 5 seconds)
• Transform parameter values from JSON or base 64 encoded strings
• Bring your own parameter store provider

Read the docs

For a full list of features go to docs.powertools.aws.dev/lambda/dotnet/utilities/parameters/

GitHub: https://github.com/aws-powertools/powertools-lambda-dotnet/

Sample Function using AWS Systems Manager Parameter Store

using AWS.Lambda.Powertools.Logging;
using AWS.Lambda.Powertools.Parameters;
using AWS.Lambda.Powertools.Parameters.SimpleSystemsManagement;

namespace HelloWorld;

public class Function
{
    [Logging(LogEvent = true)]
    public async Task<APIGatewayProxyResponse> FunctionHandler(APIGatewayProxyRequest apigwProxyEvent,
        ILambdaContext context)
    {    
        // Get SSM Provider instance
        ISsmProvider ssmProvider = ParametersManager.SsmProvider;

        // Retrieve a single parameter
        string? value = await ssmProvider
            .GetAsync("/my/parameter")
            .ConfigureAwait(false);

        // Retrieve multiple parameters from a path prefix
        // This returns a Dictionary with the parameter name as key
        IDictionary<string, string?> values = await ssmProvider
            .GetMultipleAsync("/my/path/prefix")
            .ConfigureAwait(false);

        ...

    }
}