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Logging to Humio

CI Status PyPI: humiologging

Python versions: 3.7, 3.8, 3.9, 3.10, 3.11

License: Apache 2.0

This package contains logging handlers and formatters useful for logging to Humio. It's sole runtime dependency is humiolib.

Runs and tested on Python 3.7, 3.8, 3.9, 3.10, 3.11.

Contents

Installation

The pacakage on PyPI is named humiologging, same as the package name. Install with for instance pip install humiologging.

Formatters

humiologging.formatters.HumioKVFormatter
Turns every attribute on the log record into a key-value pair, as suitable for the Humio "kv"-parser. Use with HumioHandler.
humiologging.formatters.HumioJSONFormatter
Turns the log-record into a json object, as suitable for the Humio "json"-parser. Used by HumioJSONHandler.

Handlers

humiologging.handlers.HumioHandler
Sends line-based text log messages to Humio. You need to use a formatter that Humio can parse, like HumioKVFormatter.
humiologging.handlers.HumioJSONHandler
Sends json-formatted log messages to Humio. Does not need a formatter.

Positional arguments:

humio_host:The url of the humio ingest host
ingest_token:The API token for a Humio repo

Keyword arguments:

level:A log-level
tags:A dictionary of key value items that will be addded to each record
add_host_tag:Whether to automatically add the hostname/ip-address where the loghandler is used as a tag

Be careful with setting many tags, see Humio Documentation: Tagging

Testing

Run automated tests with tox.

To test against humio: you need the hostname of the humio instance and an ingest_token for a repo with parser set to the handler you want to test.

With no parser set

import logging logging.basicConfig(handlers=[HumioJSONHandler(host, token)]) logging.error('This is a test')

In Humio you should get a single entry with one key for every attribute in the log record. One additional key formattedMessage contains the human-readable format set in the logging config as a string.

For parser kv

import logging logging.basicConfig(handlers=[HumioHandler(host, token).setFormatter(HumioKVFormatter())]) logging.error('This is a test')

In Humio you should get a single record with a string containing many key=value pairs. One additional key formattedMessage contains the human-readable format set in the logging config as a string.