[pkg/ottl] Validate Keys are used #30162
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TylerHelmuth
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evan-bradley
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Jan 2, 2024
Co-authored-by: Evan Bradley <11745660+evan-bradley@users.noreply.github.com>
cparkins
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Jan 10, 2024
**Description:** This PR updates OTTL's validation logic to validate the keys are considered during path parsing. Unlike the path, keys are needed during hot path execution. For that reason, the contexts need all the keys during parsing, not an individual key that might be linked to the next key. This PR updates the Path interface to have a list of keys instead of a link to the first Key. This keeps the keys interaction closer to the original key struct from the grammar, which means when the interfaces release we have less breaking changes. **Link to tracking Issue:** <Issue number if applicable> Closes open-telemetry#30051 **Testing:** <Describe what testing was performed and which tests were added.> Added unit tests to validate that indexing fails on paths that dont use keys and pass on paths that allow keys. --------- Co-authored-by: Evan Bradley <11745660+evan-bradley@users.noreply.github.com>
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Description:
This PR updates OTTL's validation logic to validate the keys are considered during path parsing.
Unlike the path, keys are needed during hot path execution. For that reason, the contexts need all the keys during parsing, not an individual key that might be linked to the next key.
This PR updates the Path interface to have a list of keys instead of a link to the first Key. This keeps the keys interaction closer to the original key struct from the grammar, which means when the interfaces release we have less breaking changes.
Link to tracking Issue:
Closes #30051
Testing:
Added unit tests to validate that indexing fails on paths that dont use keys and pass on paths that allow keys.