- Version
| Application | Version | Maintainer |
|---|---|---|
| OPM | 2.2.3 | Hyman |
- Default Accounts
| Application | Account | Password |
|---|---|---|
| OPM | admin | admin |
| Nagios | nagiosadmin | nagios |
| .pgpass | postgres | postgres |
THe file
.pgpassis used for access to the remote postgresql server. If the remote server have been set md5, the account should be here.
OPM (Open postgresql mornitoring) is used for monitoring the running postgresql server, it runs based on nagios and postgresql, before deploying OPM, you should have some knowledge about nagios and postgresql.
The OPM image has build all the basic apps and what you need to do is configure db_server.cfg file to monitoring your db_server.
The plugin of check_pgactivity is the most important part of OPM, if offers not only monitoring the known service but alse
custom querys to for special usage. Click here to get more information of check_pgactivty.
The file /usr/local/nagios/etc/objects/commands.cfg has defined the command check_pgactivity as check_pgactivity -h $ARG1$ -s $ARG2$ -w $ARG3$ -c $ARG4$ .
- Get the repository:
https://github.com/yuhuman/OPM-Docker.git
- Define services to monitoring postgresql
Access opm/nagios/etc/objects/, edit db_server.cfg, replace all the default 192.168.1.3 to your db_ip.
And visit pgactivity to get more services to define to monitoring your db_server.
- Create image:
sudo docker build -t image_name /path/to/Dockerfile .
- Start container:
docker run -d --name container_name -p nagios_port:80 -p opm_port:3000 container_name
- Acess UI
Visit http://ip_address:nagios_port/nagios to access nagios UI by default account.
Visit http://ip_address:opm_port to access OPM UI by default account.
While the db_server have changed access configurations, OPM may have no permission to access the db_server, the file .pgpass need to be created using nagios account in the container.
docker exec -it container_name su nagios -c 'echo "db_ip:db_port:*:db_user:db_password" >> /home/nagios/.pgpass && chmod 600 /home/nagios/.pgpass'