The "Checker" service description
Description
Checker monitors HAProxy and Nginx services and HAProxy backends. If some backend or HAProxy/Nginx service is down, Checker will alert via Telegram, real-time alerting via HAProxy-WI and keep incident history.
The checker service consists of two parts:
- Master checker
- Worker checker
The "Master checker" runs the "Worker checker". The "Master checker" should be running always.
When you want to start monitoring HAProxy service the "Master checker" will start local worker for every HAProxy service. The "Worker checker" will check every backend server and HAProxy status remotely by 1999 port(by default). If any backend lost connect with the HAProxy service or the HAProxy service is fallen, the checker will send message via Telegram about it If you want to use and if you have install HAProxy service manually read how you should set HAProxy service.
Installation
For Checker installation you should run:
How to start using RPM you can read here
Logs
The "Master checker" and "Worker checker" Logs
The "Master checker" and "Worker checker" have their own log in an "Internal logs". You can read more about the "Internal logs" here
| Parameter: | Description: |
| Token | Token that gave you @father_bot |
| Channel name | Name of your channel. The channel must be public |
| Group | You can set one of the exists group. Group = namespace. Members from one group cannot see servers from another |
Updating
For SMON updating you should run next command, if a new version is available yum will offer update it:
