Mirrors/Munin-Contrib
1
0
Fork 0
mirror of https://github.com/munin-monitoring/contrib.git synced 2025-07-21 18:41:03 +00:00
Code Issues Releases Wiki Activity

Added env to exclude containers from cpu/memory docker graphs

Browse source 
It maybe desirable to not generate stats for ephemeral containers.
This commit adds an env variable EXCLUDE_CONTAINER_NAME which is a regex, if it matches
then the container is excluded from the cpu and memory graphs.
This commit is contained in:
Rowan Wookey 2020-08-04 19:58:59 +01:00 • committed by Lars Kruse
parent ca2484b357
commit 9e2b918229
1 changed files with 15 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

15
plugins/docker/docker_
View file

@ -38,11 +38,22 @@ directory /etc/munin/plugin-conf.d/ with the following config (you can also use
Docker environment variables here as described in Docker environment variables here as described in
https://docs.docker.com/compose/reference/envvars/): https://docs.docker.com/compose/reference/envvars/):
You can use the EXCLUDE_CONTAINER_NAME environment variable to specify a regular expression
which if matched will exclude the matching containers from the memory and cpu graphs.
For example
env.EXCLUDE_CONTAINER_NAME runner
Would exclude all containers with the word "runner" in the name.
=over 2 =over 2
[docker_*] [docker_*]
user root user root
env.DOCKER_HOST unix://var/run/docker.sock env.DOCKER_HOST unix://var/run/docker.sock
env.EXCLUDE_CONTAINER_NAME regexp
=back =back
""" """
@ -50,6 +61,7 @@ https://docs.docker.com/compose/reference/envvars/):
import os import os
import sys import sys
import docker import docker
import re
from multiprocessing import Process, Queue from multiprocessing import Process, Queue
@ -92,7 +104,10 @@ def get_container_stats(container, q):
def parallel_container_stats(client): def parallel_container_stats(client):
proc_list = [] proc_list = []
stats = {} stats = {}
exclude = os.getenv('EXCLUDE_CONTAINER_NAME')
for container in client.containers.list(): for container in client.containers.list():
if exclude and re.search(exclude, container.name):
break
q = Queue() q = Queue()
p = Process(target=get_container_stats, args=(container, q)) p = Process(target=get_container_stats, args=(container, q))
proc_list.append({'proc': p, 'queue': q, 'container': container}) proc_list.append({'proc': p, 'queue': q, 'container': container})