Promtail: Add pack stage #3401
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Promtail: Add pack stage #3401
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…og line by wrapping the log line in JSON
cyriltovena
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Mar 1, 2021
cyriltovena
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Mar 2, 2021
To go with the new pack stage in promtail grafana#3401 this PR introduces a unpack parser that will automatically unpack all labels packed into the log line and set back the original log line. Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com>
slim-bean
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Mar 3, 2021
* Introduce a unpack parser. To go with the new pack stage in promtail #3401 this PR introduces a unpack parser that will automatically unpack all labels packed into the log line and set back the original log line. Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com> * Add documentation. Signed-off-by: Cyril Tovena <cyril.tovena@gmail.com> * tweak promtail docs a little now that we have unpack in Loki Co-authored-by: Edward Welch <edward.welch@grafana.com>
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Wrap stage lets you wrap a log line in a JSON object which can then embed labels and/or extracted values from the Promtail pipeline.
Useful for reducing label cardinality while still keeping the labels or extracted values in the log line itself.