Support running on MacOS about kubiscan HOT 3 CLOSED

Thank you for this update :)
Can you please check now ?

I added check to see if cgroup exist.
I am not familiar with container without it, but if there are, we can add more checks to see if this is a container.

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Closing this since it works, thanks :).

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Yes, the d4471d1 works. I think a "cleaner solution" would be to explicitly check for the operating system and don't call the running_in_docker_container in case when it is other than Linux? This could be done e.g. via:

import platform

# interestingly its docstring says:
#     Returns the system/OS name, e.g. 'Linux', 'Windows' or 'Java'.
# but it returns 'Darwin' for MacOS
os = platform.system().lower()

if os == 'linux' and running_in_docker_container():
    # ...

But I am completely fine with the current solution too.

I am not familiar with container without it, but if there are, we can add more checks to see if this is a container.

There are no native containers on MacOS and the Docker for Mac just uses a linux VM under the hood (see e.g. https://docs.docker.com/docker-for-mac/install/). Also, I don't think people run containers with e.g. procfs mounted in a different path or without cgroups. Though, we may see containers being based on cgroups v2 (which maybe produces different output of /proc/self/cgroup? not sure here).

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