Docker stats on nagios output format
- This nagios plugin interact with docker using docker unix socket.
Docker unix socket is located, by default, on /var/run/docker.sock
To works fine nagios user needs to be on docker group (usermod -aG docker nagios)- Can be executed from inside a docker container. It only needs access to unix socket file from docker host.
You need add nagios user to deocker group inside docker container.
To do that you can execute (docker group ID can change)
echo "docker:x:993:nagios" >> /etc/group- Output string can be on graphite format adding --enable-performance-data argument.