Check_MK Speed Check

This Check_MK plugin allows you to retrieve various information about your Internet Speed. This includes the following:

• Download/Mbps
• Upload/Mbps
• Average latency
• Your public IP
• The remote Server IP

If required, this tool can also be extended with some additional information. For the speed tests, the service of ookla (https://www.speedtest.net/) is used.

The plug-in is divided into a client and a server plug-in. You can install the client plugin on the Check_MK server or on any other device with a Check_MK agent.

Installation - STEP 1 - Installing the Client Plugin

1. Install the Ookla Speedtest CLI - https://www.speedtest.net/de/apps/cli
2. Install the JSON Processor - For Debian: apt install jq -y
3. Install apcalc - For Debian: apt install apcalc -y
4. Save the speedtest_agent_plugin.sh on the client under the folder: /usr/lib/check_mk_agent/plugins/
5. Make the script executable - chmod +x /usr/lib/check_mk_agent/plugins/speedtest_server_plugin.py
6. Check on the client with the command: check_mk_agent if the script can be executed successfully. (output might be encrypted)
7. Check that cache json file has been created: /var/lib/check_mk_agent/cache/speedtest_data.json

Installation - STEP 2 - Installing the Server Plugin

1. Switch to your CheckMK installation on your CheckMK server. su - <mycheckmk>
2. Navigate to the Plugin folder Folder cd local/lib/check_mk/base/plugins/agent_based
3. Make the script executable - chmod +x speedtest_server_plugin.py

Installation - STEP 3 - Adding the service in CheckMK

Rediscover Services on the host. A new service with the name: Ookla Speed check should appear. Add it as a monitored Service.

Increasing the check interval

By default, the speed test is performed every 30 minutes. If you want to change this, you can do so in the client/agent plugin (speedtest_agent_plugin.sh). To do this, simply change the variable content of speedtest_every_min in the script.