Docker-Container throws "Fatal Python error" on HypriotOS/armv7

[monsdar]

Disclaimer: This is kind of a self-post to help others with the same issue in the future.

I'm running Prometheus, Grafana and a bunch of exporters on a Raspberry Pi 4 in Docker containers. I'm using Hypriot OS for that. When calling docker run -d -e FRITZ_EXPORTER_CONFIG="192.168.178.1,username,password" -p 9787:9787 --name fritz_exporter pdreker/fritz_exporter it fails with during startup with the following message: Fatal Python error: init_interp_main: can't initialize time.

I was able to work around that by starting in priviliged mode with docker run ... --privileged ..., but this is not working for docker build ... for example.

[monsdar]

Within this StackOverflow question they mention something similar and that the cause of this issue is an old version of libseccomp2 on ARM computers.

In the end I was able to download libseccomp2_2.5.1-1_armhf.deb from the Debian repositories which installed using sudo dpkg -i libseccomp2_2.4.3-1+b1_armhf.deb without any issues. After that I could run and build the docker image without any issues.

Hope this helps someone else as well.

[pdreker]

After you mentioned this I remembered that I had to do the exact same here (for another container, but also on a Raspi4 with "standard" RaspianOS.

I'll document this in the README.