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Allows ping checks at intervals not tied to the poller. Pointless if you are not alerting on device status.
I updated the rrdstep.php script to treat ping-perf files separately and made it so it only converts if needed.
Docs here: https://docs.librenms.org/Extensions/Fast-Ping-Check/
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#### Please note
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#### Testers
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* Initial start on new templating support
* further updates
* more updates
* More working version
* Last fixes
* Small updates
* modified test to look for dbname.
* Schema update
* Added fix for not being able to disable Philips Hue transport
* Updated sql file
* Updated db_schema
* Set myclabs/deep-copy to be 1.7.x version in composer
* Fixes from murrant
* Forced nikic/php-parser to version 3.1.x in composer
* Updated composer to use custom fork of string-blade-compiler + fixed transport use
* Updated to always use correct template
* Merged legacy and blade templating engines
* Removed template type + fixed test-alert.php
* Added more template placeholders
* Added ability to reference data in templates as $alert->X
* Updated docs for templates
* Updated db_schema.yaml
* Added $alert->builder
* Clarify the use of $alert->builder
* Fixed the use of $alert->transport
* renamed schema file
* Added template validation
* Small update to fix travis issue
* Add Docs text to title bar
* Updated amqp to new of version
* Consistency in alert rule and template title bars
* Removed duplicate include
* Move set_debug into functions.php, and restore the (re)loading of includes/defaults
* Move debug call until after function has been included
Tony Murray
Neil Lathwood
Neil Lathwood
David Bell
Aaron Daniels
pblasquez
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