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Notify on host up and down
==========================
[◀ Go back to main README](../README.md)
Description
-----------
This script sends notifications about host UP and DOWN events. In comparison
to just netwatch (`/ tool netwatch`) and its `up-script` and `down-script`
this script implements a simple state machine. Host down events are triggered
only if the host is down for several checks to avoid false alerts.
Requirements and installation
-----------------------------
Just install the script:
$ScriptInstallUpdate netwatch-notify;
Then add a scheduler to run it periodically:
/ system scheduler add interval=1m name=netwatch-notify on-event="/ system script run netwatch-notify;" start-time=startup;
Configuration
-------------
The hosts to be checked have to be added to netwatch with specific comment:
/ tool netwatch add comment="notify, hostname=example.com" host=[ :resolve "example.com" ] timeout=5s;
It is possible to run an up hook command (`up-hook`) or down hook command
(`down-hook`) when a notification is triggered. This has to be added in
comment:
/ tool netwatch add comment="notify, hostname=poe-device, down-hook=/ interface ethernet poe power-cycle en21;" host=10.0.0.20 timeout=5s;
Also notification settings are required for e-mail and telegram.
---
[◀ Go back to main README](../README.md)
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