Allows us to do multi-level trace merging between Step Functions and Node Lambda functions
multi-level trace merging
Added logic to extract trace context from _datadog for Step Functions cases where...
Root of the overall execution is a Lambda. This means we have the x-datadog-trace-id and x-datadog-tags but we need to compute the parentID using parent SFN context object
Root of the overall execution is another Step Function. This means we need to compute both traceID and parentID from RootExecutionId and the parent SFN context object
Legacy case where there's no _datadog and we instead figure out traceID and parentID from the parent SFN context object
live testing
Lambda1 --> SFN --> Lambda2trace
a. Lambda1 is actually in Python, cool how we can mix and match runtimes
What does this PR do?
Allows us to do multi-level trace merging between Step Functions and Node Lambda functions
multi-level trace merging
Added logic to extract trace context from
_datadogfor Step Functions cases where...x-datadog-trace-idandx-datadog-tagsbut we need to compute the parentID using parent SFN context objectRootExecutionIdand the parent SFN context object_datadogand we instead figure out traceID and parentID from the parent SFN context objectlive testing
Lambda1 --> SFN --> Lambda2trace a. Lambda1 is actually in Python, cool how we can mix and match runtimesSFN --> Lambdatracetrigger tag improvements
Also fixed the trigger tags parsing for our use case!
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