Alertmanager Logger

The Alertmanager Logger is a tool that outputs alerts received by Alertmanager to a log file. This can be useful for debugging and troubleshooting alerting rules, as well as for keeping a historical record of alerts.

Features

• Outputs alerts to a log file in JSON format.
• Supports multiple Alertmanager instances.
• Rotates log files daily.
• Docker image available.

Installation

From source

 go build

From Docker

docker pull ghcr.io/christopherime/alertmanager-logger:latest docker run -d --name alertmanager-logger -v /path/to/log/directory/:/var/log/amlogger/ -p 9095:9095 ghcr.io/christopherime/alertmanager-logger:latest

Docker Compose

docker-compose up -d

Configuration

The Alertmanager Logger can be configured using environment variables.

• ALERTMANAGER_URL: The URL of the Alertmanager instance.
• LOG_FILE: The path to the log file.
• LOG_LEVEL: The log level (debug, info, warn, error).
• ROTATE_LOG_FILES: Whether to rotate log files daily (true or false).

Usage

To use the Alertmanager Logger, simply create a new receiver in your Alertmanager configuration and route alerts to it as a webhook.

For example:

route:
  routes:
    - receiver: 'alertmanager-logger'
  receivers:
    name: 'alertmanager-logger'
  webhook_configs:
    url: 'http://alertmanager-logger:9095/logger'