This script can be used to feed collectd with cpu and memory usage statistics for running docker containers using the collectd exec
plugin.
This script will report the used and cached memory as well as the user and system cpu usage by inspecting the appropriate cgroup stat file for each running container.
This script is intented to be executed by collectd on a host with running docker containers. To use, simply configure the exec
plugin in collectd to execute the collectd-docker.sh
script. You may need to adjust the script to match your particulars, such as the mount location for cgroup.
LoadPlugin exec
<Plugin exec>
Exec ubuntu "/usr/share/collectd/collectd-docker.sh"
</Plugin>
This will execute the collectd-docker.sh
you placed in /usr/share/collectd
using the ubuntu
user.
Hello and thanks for the awesome script first of all!
Quick question, on lines 59 and 62, wouldn't it be easier if you just make it point to the "/docker" directory instead of iterating over all other subdirectories, or is there a chance that a docker containers might be present outside of those?