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Last pushed: 5 months ago
Short Description
Observium container from the Yelp repo, but fixed to not require internet access on run
Full Description


Dockerized version of Observium with support for external database, both
communitiy and professional editions (via arbritrary svn source), packages
to allow native LDAP auth, and easy plugin support by exposing htmldir as a

At Yelp we use this to provide portability to our NMS. With a flexible
image, it's easy to manage 2+ instances with Puppet or
[insert way to configure/schedule containers here]. Good use cases would be
instances for corp and prod, managed services and internal, or just a single
one that's more predictable on any box.

Using this image

Examples assume the following directory layout:

$ tree $PWD
├── config
│   └── config.php
├── html
├── logs
└── rrd

Linking volumes and using Observium CE:

$ docker run -d \
    --name observium \
    -p 8000:8000 \
    -v /opt/observium/volumes/config:/config \
    -v /opt/observium/volumes/html:/opt/observium/html \
    -v /opt/observium/volumes/logs:/opt/observium/logs \
    -v /opt/observium/volumes/rrd:/opt/observium/rrd \

Using Observium PE (or another SVN source):

$ docker run -d \
    --name observium \
    -p 8000:8000 \
    -v /opt/observium/volumes/config:/config \
    -v /opt/observium/volumes/html:/opt/observium/html \
    -v /opt/observium/volumes/logs:/opt/observium/logs \
    -v /opt/observium/volumes/rrd:/opt/observium/rrd \
    -e USE_SVN=true \
    -e \
    -e SVN_PASS=dfed555743854a475345ae01a7668acc \
    -e SVN_REPO= \

Using docker-compose:

$ #check and modify contents of docker-compose.yml.default
  #afterwards rename it to docker-compose.yml and run
 docker-compose up #for running as deamon add -d parameter


The following volumes are set in the container:

Volume Purpose
/config config.php should go here
/opt/observium/html This allows you to add HTML plugins if you wish (such as weathermap!)
/opt/observium/logs HTTP error/access, observium.log and update-errors.log
/opt/observium/rrd Mount this where you have a ample space and back up!
/var/run/mysqld/mysqld.sock If you're running MySQL on the local Docker host, make use of this volume and set the SQL host to localhost in config.php

If you need to sub-in random, single files just add an extra -v argument to
your run (or however you're starting the container. Puppet anyone?) to the
path. We do this for /etc/php5/apache2/php.ini


Only TCP/8000 is exposed.

Environment variables

Variable Default Value
USE_SVN false

If you don't have a subscription but run your own managed copy, feel free to
sub-in your own repo.

Depending on your number of devices, the default 2 workers likely isn't enough
based on a polling period every 5 minutes. Just pass WORKERS=32, for
example, if your total core count is 32 and you want to use them all.


As in the list above, setting USE_WEATHERMAP will install network-weathermap
under the htmldir if not there already and schedule map-poller.php in cron.

To modify configuration, volume mount observium's htmldir to access weathermap.


Observium has a tendancy to become huge over time with its eventlog containing
every port that flaps, syslog, performance timings for every run, and more.

This image comes with a cronjob that will run daily for you to clean this up.
By default it will run with the switches set for eventlog and performance
timings, but like most things in this image it can be overridden by providing
HOUSEKEEPING_ARGS as an environment variable.

Please checkout out the initial post in the mailing list for details on how
to configure your config.php for better control and what each switch does.

Currently the stdout/stderr for the job isn't being sent to /dev/null so you
should be able to see the status of your cleanups with docker logs [id]

It is recommended by Observium to run the housekeeping script manually first
before relying on the crons since it may take awhile to first run. Do this if
you are using existing data for this image.


This image installs and runs rrdcached. To make use of it, make sure your
observium configuration sets

$config['rrdcached']    = "unix:/var/run/rrdcached.sock"
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