[translator/loki] Convert dots to underscores in labels names #19373
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kovrus
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| # These lines will be padded with 2 spaces and then inserted directly into the document. | ||
| # Use pipe (|) for multiline entries. | ||
| subtext: | | ||
| Loki doesn't support label names containing dots. After normalization, all dots in label names are replaced with underscores |
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Shall we add a sentence telling users that they can drop relabeling from their configuration and that now the . -> _ will happen automatically.
| That’s why to add Loki label based on `event.domain` OTLP attribute we need to specify two actions. The first one inserts a new attribute `event_domain` from the OTLP attribute `event.domain`. The second one is a hint for Loki, specifying that the `event_domain` attribute should be placed as a Loki label. | ||
| The same approach is applicable to placing Loki labels from resource attribute `service.name`. | ||
| Currently, Loki does not support label names with dots. | ||
| That's why lokiexporter normalizes label names to follow Prometheus label names standard before sending requests to Loki. |
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We can point to pkg/translator/prometheus/README.md#Labels for more information on labels normalization.
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added one more sentence with a link to pkg/translator/prometheus/README.md#Labels
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.chloggen/lokiexporter-dots-to-underscores-label-name-normalization.yaml
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|
@codeboten could you please take another look? conflicts are resolved |
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…ation.yaml Co-authored-by: Evan Bradley <11745660+evan-bradley@users.noreply.github.com>
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Description:
Loki doesn't support label names containing dots.
Added label names normalization to follow Prometheus label names standard. Dots in label names will be converted to underscores before sending them to Loki
Link to tracking Issue: #14113