Mk_docker - pip install docker, but it is installed

[amrheing (Gerald Amrhein)]

Hello,

i want to check my docker containers. All info you can see in the attached screenshots.

The server is installed like this:

https://github.com/chrisss404/check-mk-arm

checkmk version: 1.6.0p10 RAW Edition

the client and the plugin is from this version.

what is wrong or forgot I something

reagrds, gerald

[andreas-doehler (Andreas)]

Your Raspi is also your Docker server?

If yes what happens if you do a “import docker” inside your python environment? As you error message only happens if an import error occurs.

It is also possible to test the mk_docker.py script with the command line options “–debug” and “-v” for a little bit more output.

[tavanez (Pedro Tavanez)]

Hi @amrheing,

Give a look at this post

Installing mk_docker plugin - docker.py not found

Dear community, I am new to checkmk (running 1.6.0p10) and one of my first systems I would like to monitor is my docker host. For this, I followed the plugin instructions and I installed the agent (1.6.0p10) on my docker host (which is reporting back just fine), then installed the mk_docker plug-in, but when I am discovering services for this host, I am stuck at the following error: Critical - Docker node info - Error: mk_docker requires the docker library. Please install it on the monitored s…

[amrheing (Gerald Amrhein)]

hey folks,

I found the solution

# pip uninstall docker
...
# apt install python-docker

then it works fine. maybe it is special to a raspberry, I do not know this

[amrheing (Gerald Amrhein)]

that was the output - and the way to find the solution

Blockquote
pi@raspy4:~ $ python
Python 2.7.16 (default, Oct 10 2019, 22:02:15)
[GCC 8.3.0] on linux2
Type “help”, “copyright”, “credits” or “license” for more information.

import docker
Traceback (most recent call last):
File “”, line 1, in
File “/usr/local/lib/python2.7/dist-packages/docker/init.py”, line 2, in
from .api import APIClient
File “/usr/local/lib/python2.7/dist-packages/docker/api/init.py”, line 2, in
from .client import APIClient
File “/usr/local/lib/python2.7/dist-packages/docker/api/client.py”, line 10, in
from .build import BuildApiMixin
File “/usr/local/lib/python2.7/dist-packages/docker/api/build.py”, line 6, in
from … import auth
File “/usr/local/lib/python2.7/dist-packages/docker/auth.py”, line 9, in
from .utils import config
File “/usr/local/lib/python2.7/dist-packages/docker/utils/init.py”, line 3, in
from .decorators import check_resource, minimum_version, update_headers
File “/usr/local/lib/python2.7/dist-packages/docker/utils/decorators.py”, line 4, in
from . import utils
File “/usr/local/lib/python2.7/dist-packages/docker/utils/utils.py”, line 13, in
from … import tls
File “/usr/local/lib/python2.7/dist-packages/docker/tls.py”, line 5, in
from .transport import SSLHTTPAdapter
File “/usr/local/lib/python2.7/dist-packages/docker/transport/init.py”, line 3, in
from .ssladapter import SSLHTTPAdapter
File “/usr/local/lib/python2.7/dist-packages/docker/transport/ssladapter.py”, line 23, in
from backports.ssl_match_hostname import match_hostname
ImportError: No module named ssl_match_hostname

Blockquote

[amrheing (Gerald Amrhein)]

Yes, the server is also a raspberry. it is here at home, monitoring my smart home and some other devices.

[andreas-doehler (Andreas)]

Good to hear that this little debug leads to the cause of your problem