/// <summary>
/// Add AWS Lambda configurations.
/// </summary>
/// <param name="builder"><see cref="TracerProviderBuilder"/> being configured.</param>
/// <returns>The instance of <see cref="TracerProviderBuilder"/> to chain the calls.</returns>
public static TracerProviderBuilder AddAWSLambdaConfigurations(this TracerProviderBuilder builder)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
builder.AddSource(AWSLambdaUtils.ActivitySourceName);
builder.SetResourceBuilder(ResourceBuilder
.CreateEmpty()
.AddService(AWSLambdaUtils.GetFunctionName(), null, null, false)
.AddTelemetrySdk()
.AddAttributes(AWSLambdaResourceDetector.Detect()));
return(builder);
}
public void TestDetect()
{
Environment.SetEnvironmentVariable("AWS_REGION", "us-east-1");
Environment.SetEnvironmentVariable("AWS_LAMBDA_FUNCTION_NAME", "testfunction");
Environment.SetEnvironmentVariable("AWS_LAMBDA_FUNCTION_VERSION", "latest");
var lambdaResourceDetector = new AWSLambdaResourceDetector();
var resourceAttributes = lambdaResourceDetector.Detect().ToDictionary(x => x.Key, x => x.Value);
Assert.Equal("aws", resourceAttributes[AWSSemanticConventions.AttributeCloudProvider]);
Assert.Equal("aws_lambda", resourceAttributes[AWSSemanticConventions.AttributeCloudPlatform]);
Assert.Equal("us-east-1", resourceAttributes[AWSSemanticConventions.AttributeCloudRegion]);
Assert.Equal("testfunction", resourceAttributes[AWSSemanticConventions.AttributeFaasName]);
Assert.Equal("latest", resourceAttributes[AWSSemanticConventions.AttributeFaasVersion]);
Environment.SetEnvironmentVariable("AWS_REGION", null);
Environment.SetEnvironmentVariable("AWS_LAMBDA_FUNCTION_NAME", null);
Environment.SetEnvironmentVariable("AWS_LAMBDA_FUNCTION_VERSION", null);
}