lager_humio_backend

Erlang Lager backend for Humio log management system

Requirements

Erlang 18 or newer
Humio account and API token

Dependencies

Project depends on jiffy library for JSON parsing and uses default HTTP client (httpc).

Usage

$ rebar3 update compile

$ rebar get-deps && rebar compile

Setup

First you have to sign up with Humio service to get all required information for setting up logging backend.

Configuaration

Option	Required	Description
`token`	Yes	Humio Ingestion API token (from Settings)
`dataspace`	Yes	Humio dataspace (from Settings)
`source`	Yes	Humio log source that feed into the dataspace
`level`	Yes	Minimal log level to use (defaults to `debug`)
`formatter`	No	The module to use when formatting log messages (defaults to `lager_default_formatter')
`formatter_config`	No	The format configuration string (defaults to `time [ severity ] message`)
`metadata_filter`	No	A list of excluded metadata keys
`retry_interval`	No	Intervarl for retry in case endpoint is not available (defaults to 60 seconds)
`max_retries`	No	Maximum number of retries (defaults to 10 retries)
`httpc_opts`	No	Set custom `httpc:http_options()` to change default HTTP client behaviour

Sample configuration:

{lager, [
  {handlers, [
    {lager_console_backend, debug},
    {lager_humio_backend,   [{token, "YOUR_INGESTION_API_TOKEN"},
                             {dataspace, "YOUR_DATASPACE"},
                             {source,    "YOUR_APPLICATION"},
                             {level, info}
    ]}
  ]}
}