check_znuny - Icinga2/Nagios plugin for monitoring Znuny via HealthStatus

[root]

We've released check_znuny, an Icinga2/Nagios plugin that monitors a Znuny instance through its HealthStatus GenericInterface webservice.

Each run evaluates exactly one aspect of Znuny's health, so every aspect becomes its own monitoring service with its own thresholds and notification policy. Covered sections:

• daemon — Znuny daemon running
• commlog — communication log health and per-account status
• cron — recurring cron tasks
• genericagent — recurring GenericAgent tasks (with optional runtime thresholds)
• future-tasks — scheduled task backlog
• unprocessed-emails — unprocessed incoming mail
• system — mail queue and sessions

Highlights:

• Python 3 standard library only — no dependencies, no pip install
• Standard Nagios/Icinga exit codes and performance data (works with any Nagios-compatible core)
• Ships with ready-to-use Icinga2 command + services config (a single apply rule auto-generates all seven services per host) and an Icinga Director configuration basket

Requirements: Python 3 on the checking host, network access to the HealthStatus endpoint, and a HealthStatus API key set in System Configuration (Znuny::HealthStatus::API::Key).

Quick start and full docs: https://github.com/znuny/check_znuny

Free and open source (GPL-3.0). Feedback, issues, and pull requests are welcome.