[extension/encoding/awscloudwatchmetricstreams_encoding] Support unmarshalling JSON-formatted CloudWatch Metric Streams #38419
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axw
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Mar 6, 2025
axw
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Thanks @constanca-m! Looking good, main concerns are to do with how the tests are implemented.
extension/encoding/awscloudwatchmetricstreamsencodingextension/json_unmarshaler_test.go
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extension/encoding/awscloudwatchmetricstreamsencodingextension/json_unmarshaler_test.go
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extension/encoding/awscloudwatchmetricstreamsencodingextension/json_unmarshaler.go
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extension/encoding/awscloudwatchmetricstreamsencodingextension/json_unmarshaler_test.go
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Co-authored-by: Andrew Wilkins <axwalk@gmail.com>
axw
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Mar 7, 2025
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| // joinMetricsFromFile reads the metrics inside the files, | ||
| // and joins them in the format a record expects it to be: | ||
| // each metric is expected to be in 1 line, and every new | ||
| // line marks a new metric |
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@open-telemetry/collector-contrib-approvers Can I have a review here? |
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@constanca-m Can you fix the CI issues? |
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@mx-psi Took a few attempts, but the CI issues are all gone now. |
MovieStoreGuy
approved these changes
Mar 11, 2025
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@MovieStoreGuy can we merge this despite the |
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Description
This PR implements the translation of JSON-formatted CloudWatch Metric Streams into OpenTelemetry metrics.
It receives a record, and splits that record by each new line. Each of these parts will correspond to a JSON CloudWatch Metric Stream. It then translates this metric into an OpenTelemetry metric. The obtained metrics from the record are returned.
It follows the same logic as https://github.com/open-telemetry/opentelemetry-collector-contrib/tree/main/receiver/awsfirehosereceiver/internal/unmarshaler/cwmetricstream.
Link to tracking issue
Fixes #38407.
Testing
I have added unit tests to:
You can easily read and study what we get to what we return in the
testdata/jsonfiles of the extension.Documentation
The coding comments and the README file should be enough for documentation.