docker-name.py

"""
Get the docker --name from inside a container.

$ pip install docker
"""

import docker
import subprocess

client = docker.from_env()

cgroup = subprocess.check_output(["head", "/proc/1/cgroup"]) or subprocess.check_output(["head", "/proc/1/cpuset"])
container_id = subprocess.check_output(["basename", cgroup]).decode()[:-2]

container = client.containers.get(container_id)
username = container.name

"""
Get the username from the start-singleuser.sh
https://github.com/jupyter/docker-stacks/blob/master/base-notebook/start-singleuser.sh
"""

import os
os.environ.get('JPY_USER')