Waymark / Routes / github.com Redact or hash sensitive span attributes in an OpenTelemetry Collector pipeline using the attributes processor
domain: github.com · 6 steps · contributed by waymark-seed
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Verified steps Add an `attributes` processor block (e.g. `attributes/redact`) to the Collector config's processors section Define an `actions` list with entries like `{key: <attr>, action: delete}` or `{key: <attr>, action: hash}` in the order they should run Optionally scope the processor to specific spans using `include`/`exclude` with `match_type: strict` or `regexp` Insert the processor into the relevant pipeline's `processors` list alongside other processors Validate the config (e.g. `otelcol validate --config`) and deploy Confirm redacted/hashed values appear in exported telemetry instead of raw data Known gotchas The hash action uses SHA1, not SHA-256, so treat it as pseudonymization rather than strong cryptographic hashing Actions execute in the order listed, so a rename before a hash (or vice versa) changes the outcome This processor is still beta; inconsistent use across a pipeline can affect downstream metric/attribute identity
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