private static Activity OnFunctionStart(ILambdaContext context = null)
{
Activity activity = null;
var parentContext = AWSLambdaUtils.GetParentContext();
if (parentContext != default)
{
var activityName = AWSLambdaUtils.GetFunctionName(context);
activity = AWSLambdaActivitySource.StartActivity(activityName, ActivityKind.Server, parentContext);
if (activity != null && context != null)
{
if (activity.IsAllDataRequested)
{
if (context.AwsRequestId != null)
{
activity.SetTag(AWSLambdaSemanticConventions.AttributeFaasExecution, context.AwsRequestId);
}
var functionArn = context.InvokedFunctionArn;
if (functionArn != null)
{
activity.SetTag(AWSLambdaSemanticConventions.AttributeFaasID, functionArn);
var accountId = AWSLambdaUtils.GetAccountId(functionArn);
if (accountId != null)
{
activity.SetTag(AWSLambdaSemanticConventions.AttributeCloudAccountID, accountId);
}
}
}
}
}
return(activity);
}
/// <summary>
/// Detect the resource attributes for AWS Lambda.
/// </summary>
/// <returns>List of resource attributes pairs.</returns>
internal static IEnumerable <KeyValuePair <string, object> > Detect()
{
var resourceAttributes = new List <KeyValuePair <string, object> >()
{
new KeyValuePair <string, object>(AWSLambdaSemanticConventions.AttributeCloudProvider, AWSLambdaUtils.GetCloudProvider()),
new KeyValuePair <string, object>(AWSLambdaSemanticConventions.AttributeCloudRegion, AWSLambdaUtils.GetAWSRegion()),
new KeyValuePair <string, object>(AWSLambdaSemanticConventions.AttributeFaasName, AWSLambdaUtils.GetFunctionName()),
new KeyValuePair <string, object>(AWSLambdaSemanticConventions.AttributeFaasVersion, AWSLambdaUtils.GetFunctionVersion()),
};
return(resourceAttributes);
}