feat(formats): add OpenTelemetry Collector log format and converter #1613
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- Add otel_collector_log.json format definition for OpenTelemetry Collector - Add otel_collector_log-converter.sh script for flattening OTEL logs - Register new format and script in build system - Add test log file and update test Makefile for OTEL Collector logs - Improve error handling and argument validation in pcap_log-converter.sh
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Summary
Motivation
relative issue: #1600
The OpenTelemetry Collector's file exporter writes log records in batched JSON Lines format, where each line contains multiple log records nested under
resourceLogs.This makes it difficult to analyze with lnav without preprocessing.
Changes
src/formats/otel_collector_log.json: Log format definition with field mappings for OTEL log records (timestamp, severity, trace_id, span_id, service.name, etc.)src/scripts/otel_collector_log-converter.sh: Converter script usingjqto flatten batched records into one-per-line formattest/logfile_otel_collector.jsonl: Test data covering various scenarios (multiple services, all severity levels, edge cases)Test plan
make checkpasseslnav -n test/logfile_otel_collector.jsonlDependencies
Requires
jqto be installed for the converter to work.