* Fping WIP
* Update availability, move ping rrd update in the same place as db update.
* move classes around
* make device:ping command work
* use new code, remove legacy code
* save metrics boolean prevents all saves
style fixes
* update device array
* style fixes
* Update unit test
* fix whitespace
* Fix Fping stub
* fix backwards if
* fix phpstan complaining
* Fix return type
* add fillable to DeviceOutage model.
* device_outage migration to add id...
* missed line in db_schema.yaml
* 1 billion more comments on the brain damage up/down code
* tests for status and status_reason fields
* fix style again :D
* Duplicate legacy isSNMPable() functionality
but with only one snmp call ever 😎
* Remove unused variable
* fix migrations for sqlite
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/
DO NOT DELETE THIS TEXT
#### Please note
> Please read this information carefully. You can run `./scripts/pre-commit.php` to check your code before submitting.
- [x] Have you followed our [code guidelines?](http://docs.librenms.org/Developing/Code-Guidelines/)
#### Testers
If you would like to test this pull request then please run: `./scripts/github-apply <pr_id>`, i.e `./scripts/github-apply 5926`
