Network and Systems Management

check_unifi.php

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Description:

Nagios Plugin to check a Ubiquiti Unifi Controller (Accesspoints, Switches and Clients).

Current Version

1.20240514

Last Release Date

2024-05-14

Compatible With

  • Nagios 3.x
  • Nagios 4.x

Owner

Joerg Hoerter

Download URL

https://www.jhoerter.com/download/check_unifi-php.html

License

MIT

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Project Notes
If you find a bug or have a request, write me an email: nagios@jhoerter.com You need to install php-curl and php Version above 7.2 Thanks to https://github.com/Art-of-WiFi API Version 1.1.90 Note Support for UniFi OS-based controllers (UniFi Dream Machine Pro or Cloud Key Gen2/Cloud Key Gen2 Plus with firmware version 2.0.24 or higher) has been added as of API version 1.1.47. The class automatically detects UniFi OS devices and adjusts URLs and several functions/methods accordingly. If your own code applies strict validation of the URL that is passed to the constructor, please adapt your logic to allow URLs without a port suffix when dealing with a UniFi OS-based controller. In case of my script use -P 443 and -s NEW NEW API Version /usr/bin/php ./check_unifi.php -H 192.168.2.213 -P 8443 -u nagios -p nagios -s -m uplink -a AP02 -w 200 -c 100 OK - Uplink: AP01 - signal=-67% tx_rate=234 Mbps rx_rate=526.5 Mbps | tx_rate=234;rx_rate=526.5;signal=67 /usr/bin/php ./check_unifi.php -H 192.168.2.213 -P 8443 -u nagios -p nagios -s -m cpu -a AP02 -w 80 -c 90 OK - 10.4% (load average: 0.01, 0.05, 0.05) | load=0.01;;;; load5=0.05;;;; load15=0.05;;;; /usr/bin/php ./check_unifi.php -C -a AP01 -m cpu% -w 75 -c 90 OK - 3.0% | cpu=3.0%;75;90;0;100 /usr/bin/php ./check_unifi.php -C -a AP01 -m load -w 1,1,1 -c 2,2,2 OK - load average: 0.02, 0.04, 0.01 | load=0.02;1;2;; load5=0.04;1;2;; load15=0.01;1;2;; /usr/bin/php ./check_unifi.php -H 192.168.2.213 -P 8443 -u nagios -p nagios -s -m ap -w 0 -c 1 OK - AP [unifi.jhoerter.com]: 3 (Online: 3, Offline: 0) | AP=3 Online=3 Offline=0;0;1;; /usr/bin/php ./check_unifi.php -H 192.168.2.213 -P 8443 -u nagios -p nagios -s -m switch -c 0 OK - Switch [unifi.jhoerter.com]: 1 (Online: 1 / Offline: 0) | Switch=1 Online=1 Offline=0;0;0;; /usr/bin/php ./check_unifi.php -C -m mem -a AP03 -w 80 -c 90 OK - 54.09 MB | Total=122.66MB;98.13;110.39;0;122.66 Used=54.09MB;;;; Free=40.37MB;;;; Caches=28.20MB;;;; /usr/bin/php ./check_unifi.php -C -m mem% -a AP03 -w 80 -c 90 OK - 44.10% (54.09 MB) | Total=100%;80;90;0;100 Used=44.10%;;;; Free=32.91%;;;; Caches=22.99%;;;; /usr/bin/php ./check_unifi.php -C -a AP01 -m clients_name_guest OK - Clients [unifi.jhoerter.com]: 5/User:5/Guest:0 (2GHz: 2/U:2/G:0, 5GHz: 3/U:3/G:0) MACBOOK(5) VIRTUAL-WLAN(5) CAM01(2) TABLETT04(5) PRS01(2) | Clients=5;;;; 2GHz=2 5GHz=3 /usr/bin/php ./check_unifi.php -C -a AP01 -m channels OK - 2GHz: auto (11(13,-1)) HT40 - 5GHz: auto (58(64,-1)) VHT80| 2GHz=11 5GHz=58 /usr/bin/php ./check_unifi.php -C -a AP01 -m transfer OK - RX: 5,09 Mbit - TX: 166,84 Kbit | RX=5215,38Kbit;;;; TX=166,84Kbit;;;; /usr/bin/php ./check_unifi.php -C -a AP01 -m experience -w 30 -c 20 OK - WIFI Experience: 99% | Experience=99%;30;20;; /usr/bin/php ./check_unifi.php -C -a AP01 -m utilisation -w 75,75 -c 85,85 OK - 2GHz Utilized: 11% (RX Frames: 9%, TX Frames: 1%, Interference: 1%) - 5GHz Utilized: 8% (RX Frames: 6%, TX Frames: 2%, Interference: 0%)| 2GHz=11;75;85;; RX=9;;;; TX=1;;;; Interference=1 5GHz=8;75;85;; RX=6;;;; TX=2;;;; Interference=0 /usr/bin/php ./check_unifi.php -C -m update -a AP02 -w 1,1,1 -c 1,5,10 CRITICAL - firmware upgradable from version 4.3.28.11361 to 5.43.30.12622 /usr/bin/php ./check_unifi.php -C -m site ---------+------------------------------------ Site ID | Site Name ---------+------------------------------------ default | unifi.test.com a3uobpaz | Test /usr/bin/php ./check_unifi.php -H 192.168.2.213 -P 8443 -s -u nagios -p nagios -S default -m uptime -a AP01 OK - UniFi AP-AC-Lite [unifi.test.com] - 0 days, 3 hours, 44 mins.| Uptime=13445 /usr/bin/php ./check_unifi.php -C -m client_transfer+ -a PC05 -r 0 OK - RX: 2.743 KB/s - TX: 16.066 KB/s (AP: AP03) | RX=2.743KByte;;;; TX=16.066KByte;;;; /usr/bin/php ./check_unifi.php -C -m client_uplink -a MACBOOK OK - Uplink: JHSAP01 (JH/ 5GHz) - signal: -78% TX: 650 Mbps RX: 260 Mbps | TX=650;0;0;; RX=260;0;0;; Signal=78 /usr/bin/php ./check_unifi.php -C -m client_uptime -a PHONE04 OK - 0 days, 0 hours, 18 mins.| Uptime=1124 /usr/bin/php ./check_unifi.php -C -m clients_count_guest OK - Clients [unifi.test.com]: 13/ User:11/ Guest:2 (2GHz: 8/U:8/G:0, 5GHz: 5/U:3/G:2) | Clients=13;;;; 2GHz=8;;;; 5GHz=5;;;; User=11;;;; 2GhzU=8;;;; 5GhzU=3;;;; Guest=0;;;; 2GhzG=0;;;; 5GhzG=2;;;; /usr/bin/php ./check_unifi.php -C -m clients_all OK - Clients [unifi.test.com]: 32 (Wired: 21, Wifi: 11) | Clients=32;;;; Wired=21;;;; Wifi=11;;;; /usr/bin/php ./check_unifi.php -C -m ap_unifi_name -w 0 -c 1 WARNING - AP: 4 (Online: 3, Offline: 1 (AP03-OLD)) | AP=4 Online=3 Offline=1;0;1;; /usr/bin/php ./check_unifi.php -C -m clients_count_ssid -a WLAN OK - SSID WLAN Client: 12 (2GHz: 7, 5GHz: 5) | Clients=12;;;; 2GHz=7 5GHz=5 /usr/bin/php ./check_unifi.php -C -m clients_wifi OK - WiFi [default]: 13 (WiFi6=1, WiFi5=3, WiFi4=8) | WiFi=13;;;; WiFi6=1 Wifi5=3 WiFi4=8 /usr/bin/php ./check_unifi.php -C -m ap_unifi_name -w 0 -c 1 -a AP02-OLD,AP03-OLD WARNING - AP: 3 (Online: 3, Offline: 0 | AP=3 Online=3 Offline=1;0;1;; /usr/bin/php ./check_unifi.php -C -a PHONE01 -m client_experience -w 30 -c 20 OK - WIFI Experience: 99% | Experience=99%;30;20;; /usr/bin/php ./check_unifi.php -C -m udm_temperature -a DREAMMACHINE -w 55,50,55 -c 60,60,60 WARNING - Temperature (CPU: 53 °C , Local: 50.75 °C , PHY: 53 °C) | CPU=53;55;60;; Local=50.75;50;60;; PHY=53;55;60;; /usr/bin/php ./check_unifi.php -C -m lte -a LTEPRO OK - LTE eutran-20 [o2 - de+] | connected=1 /usr/bin/php ./check_unifi.php -C -m lte_uplink -a LTEPRO -w -90,-15,-100 -c -100,-20,-110 CRITICAL - LTE-Uplink - RSSI: -80 dBm, RSRQ: -12 db, RSRP: -113dBm | RSSI=-80;-90;-100;; RSRQ=-12;-15;-20;; RSRP=-113;-100;-110;; /usr/bin/php ./check_unifi.php -C -m lte_failover -a LTEPRO OK - mode failover: off | failover=-a LTEPRO /usr/bin/php ./check_unifi.php -C -m alarms_count OK - no active Alarms (Archiv: 403) | Alarms=0;;;; /usr/bin/php ./check_unifi.php -C -m clients_ssid -r 1 -i WARNING - SSID Clients [unifi.test.com] - JH: 8, GUEST(G): enabled, CAM: 2 | Total=10 JH=8 GUEST=0 CAM=2 /usr/bin/php ./check_unifi.php -C -m switch_transfer+ -a SWITCH01 -n 3 OK - Port 3: NAS-LAN (1000 Mbit/s) - rx: 71.446 KB/s - tx: 2.301 MB/s | rx=71.446KB;;;; tx=2356.719KB;;;;
Reviews (7) Add a Review
Excellent script
by Totter, January 31, 2024

What a great script. It works like a charm and is easy to understand! I especially love the ability to check for updates ready to be installed. One minor thing is that I haven't been able to get warnings when you run Early Access update channel for your devices. But maybe it will come in a later version? :-) At any rate I highly recommend this script as it is by far the best way I have seen to integrate Ubiquiti/Unifi to nagios.


Sound great BUT is actually not available anymore :-(
by Reiner030, December 31, 2022

Hello, I tried to checkout this script on weekend but sadly on X-Mas the Whois entry of download URL was updated to some weird state - only NS entries are there, nothing more, so I even can't contact by email. And sadly there is no alternate download possible like here or github so I could only hope that it would be fixed when recognized. From uses PHP-client API the browser version looks very impresse what can bei all requested and monitored. Bests Reiner


How to get it working with UniFi-CloudKey-Gen2-Plus?
by user84921, May 31, 2021

How to get it working with UniFi-CloudKey-Gen2-Plus? I can see from the review on February 5, 2021, that the user darco was able to get it working with Gen2 CloudKey. But unfortunately darco didn't specify, how he got it working... What I do know is that Gen2 is not using port 8443 anymore, but access is done straight to HTTPS/443 port. And I'm able to query the device info from the browser from: https://[local-IP-of-Gen2-CloudKey]/proxy/network/api/s/default/stat/device


nice check!
by SysAdmRBE, April 30, 2021

Is it possible to get the total number of connected wifi clients with a nagios/centreon compatible check? The console check works fine but it would be great to get a counter inside the monitoring system.


why "OK" the "Current Status:"
by kemecs, March 31, 2021

why "OK" the "Current Status:" on the nagios webgui? >>>> Current Status: OK (for 0d 3h 58m 35s) Status Information: WARNING - Online: 1 - Offline: 1 Performance Data: AP=2 Online=1 Offline=1;0;1;; the query is correct: /usr/bin/php ./check_unifi.php -H 192.168.25.15 -u admin -p ********- -P 8443 -s -m ap -w 0 -c 1 WARNING - Online: 1 - Offline: 1 | AP=2 Online=1 Offline=1;0;1;;


All ok!!
by darco, February 28, 2021

Thank you very much!! I've just tested with UniFi-CloudKey-Gen2-Plus


Script does nothing
by johnripper, December 31, 2020

Downloaded the files and adjusted the clients.php But then the skript does nothing. I can even use the example: # usr/bin/php usr/local/nagios/libexec/check_unifi.php -H 192.168.2.1 -u USER -p PASS -P 8443 -s -m uplink -a AP01 -w 200 -c 100 And get nothing. Any ideas? (sorry, rating required)


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