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Script and template to monitor Postal processes in Zabbix.

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appsinet/postal-zabbix

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Zabbix monitoring of aTech Media Postal processes

CI

This project is composed by a shell script, a Zabbix template and a sudoers configuration file:

  • The shell script reads values from postal status command and sends it to the Zabbix Server via Agent.
  • The template has items that receives those values and activates triggers.
  • The sudoers configuration is needed to execute postal status command with privileges to read the status. This repository was created using Zabbix 3.4.9 and Postal at 2017 December 5th version, in a GNU/Linux CentOS 7 OS.

Features

  • Get server start time.
  • Get processes (web, fast, workers, cron, smtp and requeuer) status, as informed in postal status command
  • Receive an alert if any process status is different from Running.

Note that this initial release is configured to have 1 web, fast, cron, smtp and requeuer processes, and 5 workers. If you want to monitor a different number of processes, you'll need to manually change the configuration while the template doesn't have autodiscovery rules.

Features planned

  • Get a process number of respawns, to send alerts if it's greater than zero.
  • Process respawn trigger.
  • Process discovery_rules, to automatically add processes to zabbix if we add more processes to postal (like more workers).

Installation

  1. Download the necessary files or clone this project anywhere zabbix user can access. It's configured by default in /etc/zabbix/lib/postal-zabbix, but you can place it anywhere you want that zabbix user has access.

  2. Put zabbix-agentd.d/postal-zabbix.conf in zabbix agent directory, normally /etc/zabbix/zabbix-agentd.d/. Edit this file if you don't use the default /etc/zabbix/lib/postal-zabbix folder.

  3. Put sudoers.d/zabbix_postal in the sudoers folder, normally /etc/sudoers.d. Edit this file if you don't use default folders.

  4. Now restart the Zabbix agent service.

  5. Import template/postal-template.xml in Zabbix and assign it to your postal server host.

Feedback

Feel free to send bug reports and feature requests. If you are using this solution in production, please tell me to know it's being useful.