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Add details for filling resource for AWS Lambda. (#1610)

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Anuraag Agrawal 2021-04-16 02:00:34 +09:00 committed by GitHub
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specification/trace/semantic_conventions/instrumentation/aws-lambda.md
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@ -218,3 +218,17 @@ have a parent of `Span Lambda`. This means the hierarchy looks like:
Span Lambda --> Span ProcBatch --> Span Proc1 (links to Span Prod1 and Span Prod2)
\-> Span Proc2 (links to Span Prod1 and Span Prod2)
```
## Resource Detector
AWS Lambda resource information is available as [environment variables][] provided by the runtime.
- [`cloud.provider`](../../../resource/semantic_conventions/cloud.md) MUST be set to `aws`
- [`cloud.region`](../../../resource/semantic_conventions/cloud.md) MUST be set to the value of the `AWS_REGION` environment variable
- [`faas.name`](../../../resource/semantic_conventions/faas.md) MUST be set to the value of the `AWS_LAMBDA_FUNCTION_NAME` environment variable
- [`faas.version`](../../../resource/semantic_conventions/faas.md) MUST be set to the value of the `AWS_LAMBDA_FUNCTION_VERSION` environment variable
Note that [`faas.id`](../../../resource/semantic_conventions/faas.md) currently cannot be populated to resource
because it is not available until function invocation.
[environment variables]: https://docs.aws.amazon.com/lambda/latest/dg/configuration-envvars.html#configuration-envvars-runtime