Template variable expansion vs $obj

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#1

Hello!,

I’m trying to implement a new transport, and want to move as much as possible to templates. Can anybody confirm if all the variables available in the transport as $obj[‘var’] should be available within templates?.

I’m trying to figure why {{ $alert->rule }} doesn’t expand, but $obj[‘rule’] does

[email protected]:~> ./validate.php

Component Version
LibreNMS 22.8.0
DB Schema 2022_07_19_081224_plugins_unique_index (244)
PHP 8.1.10
Python 3.6.15
Database MariaDB 10.6.8-MariaDB
RRDTool 1.7.0
SNMP 5.7.3

====================================

[OK] Composer Version: 2.4.1
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database Schema is current
[OK] SQL Server meets minimum requirements
[OK] lower_case_table_names is enabled
[OK] MySQL engine is optimal
[OK]
[OK] Database schema correct
[OK] MySQl and PHP time match
[OK] Active pollers found
[OK] Dispatcher Service not detected
[OK] Locks are functional
[OK] Python poller wrapper is polling
[WARN] Using database for locking, you should set CACHE_DRIVER=redis
[OK] rrd_dir is writable
[OK] rrdtool version ok
[WARN] Your install is over 24 hours out of date, last update: Tue, 06 Sep 2022 21:43:51 +0000
[FIX]:
Make sure your daily.sh cron is running and run ./daily.sh by hand to see if there are any errors.

#2

The template has already been run by the time the transport is called.

Why would you need to access transport variables within the template? Doing that would make a template locked to a transport, breaking with other transports.

#3

Hello!, is the other way around. I would like to include rule ID in the message. According to the documentation (Templates - LibreNMS Docs) $alert->rule should be available in a template, but doesn’t seem to be the case.

If I define in the template {{ $alert-> rule }} within the template, the ID is not passed to the transport.

#4

Perhaps a bug?

#5

PR sent as Fix reference to Rule ID by ciroiriarte · Pull Request #14344 · librenms/librenms · GitHub

#6

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