Adding tags to the underling lambda of a SingletonFunction

[AdamBoxall]

There's no direct or simple way of constructing a SingletonFunction and providing tags to the underlying lambda. In some organisations it's a requirement to tag any resources that handle or store sensitive data, such as PII.

The normal workaround would be to use findChild("Resource") to get the CFN-level resource object, and override the tags property. However as the underlying lambda of a singleton function is a sibling, not a descendant, that does not work.

Instead you have to access the children of the current stack and findChild() using the ID given to the lambda, based upon the lambdaPurpose and uuid props:

const lambda = Stack.find(this).findChild("LambdaPurposeUUID");
const resource = lambda.findChild("Resource") as FunctionResource;

(There's some formatting applied to both of those props to strip out invalid characters)

[moofish32]

Let me add a test over here and see if this can catch your use case too. If you have a test stack in a gist, I'll grab that directly.

[AdamBoxall]

Sure. Here's a barebones stack that solves the problem using the workaround described above:

https://gist.github.com/AdamBoxall/afd6a97eb04a5dd100e4783653cca403

[SomayaB]

Closing this issue since there hasn't been any activity on it in a while. Feel free to reopen.