Created
September 2, 2020 01:06
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lnav python logger interpretter
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| { | |
| "pythonlogger": { | |
| "title": "Python logger format", | |
| "description": "Log format used by python logger class", | |
| "url": "", | |
| "regex": { | |
| "main": { | |
| "pattern": "^\\[(?<timestamp>\\d{4}\\-\\d{2}\\-\\d{2} \\d{2}:\\d{2}:\\d{2},\\d{3})] (?<level>\\w+) (?<module>(\\w(\\.)?)+) \\- (?<body>.*)$" | |
| } | |
| }, | |
| "timestamp-format": ["%Y-%m-%d %H:%M:%S,%L"], | |
| "level-field": "level", | |
| "level": { | |
| "critical": "CRITICAL", | |
| "error": "ERROR", | |
| "warning": "WARNING", | |
| "info": "INFO", | |
| "debug": "DEBUG" | |
| }, | |
| "value": { | |
| "level": { "kind": "string", "identifier": true }, | |
| "module": { "kind": "string", "identifier": true }, | |
| "body": { "kind": "string" } | |
| }, | |
| "sample": [ | |
| { | |
| "line": "[2017-01-12 17:32:02,056] INFO module.blah - we are doing the thing", | |
| "line": "[2017-01-12 17:32:02,911] ERROR foobar - ThingNoWorkExeption: it failed", | |
| "line": "[2020-09-01 17:22:37,491] INFO scheduler - Starting job runner" | |
| } | |
| ] | |
| } | |
| } |
To produce logs of this format, use the format string below with the python logging moddule.
When piping directly to lnav, make sure to force the logger to use sys.stdout
import sys
import logging
FORMAT = '[%(asctime)s] %(levelname)s %(name)s - %(message)s'
logging.basicConfig(format=FORMAT, stream=sys.stdout)
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Based on https://gist.github.com/benje/e2ab750b0a81d11920d83af637d289f7
To Install
Download this file and copy it to ~/.lnav/formats/lnav_format_python.json.
Run the following lnav command to install the format permanently:
lnav -i ~/.lnav/formats/lnav_format_python.json
http://lnav.readthedocs.io/en/latest/formats.html#installing-formats