Lambda
De Banane Atomic
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Description
Serverless service / Function as a service allowing to run code without having to worry about underlying hardware and OS.
Event driven: the lambda is triggered by an event.
Pay per request and based on the duration of the code execution.
.NET 8
| scenario | description |
|---|---|
| Native AOT | |
| Custom Runtime Function | to use .NET 8 |
| Container Image | lambda function package as a container image |
Debug locally
On VS, if the extension AWS Toolkit is installed you have the AWS .NET Mock Lambda Test Tool available.
A debug configuration is created for you lambda.
| Properties\launchSettings.json |
{
"profiles": {
"Mock Lambda Test Tool": {
"commandName": "Executable",
"commandLineArgs": "--port 5050",
"executablePath": "<home-directory>\\.dotnet\\tools\\dotnet-lambda-test-tool-6.0.exe",
"workingDirectory": ".\\bin\\Debug\\net6.0"
}
}
}
|
Deployment
Lambda function handler in C#
For class libraries: ASSEMBLY::TYPE::METHOD
Call a lambda from code
|
var jsonSerializerOptions = new JsonSerializerOptions
{
PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
Converters = { new JsonStringEnumConverter() }
};
var amazonLambdaClient = new AmazonLambdaClient();
var request = new InvokeRequest
{
FunctionName = functionName,
Payload = JsonSerializer.Serialize(myObject, jsonSerializerOptions),
LogType = LogType.Tail
};
var response = await this.amazonLambdaClient.InvokeAsync(request);
if(response.HttpStatusCode == System.Net.HttpStatusCode.OK)
{
var payload = Encoding.ASCII.GetString(response.Payload.ToArray()); // to debug only
var result = JsonSerializer.Deserialize<AwsJobResult<LambdaJob>>(response.Payload, jsonSerializerOptions);
}
|
