Lists all docker networks sorted by their subnet address

docker-networks

#!/usr/bin/env xonsh
import json
import re
import sys

from tabulate import tabulate

# https://arcpy.wordpress.com/2012/05/11/sorting-alphanumeric-strings-in-python/
# https://stackoverflow.com/questions/2669059/how-to-sort-alpha-numeric-set-in-python
def sorted_alnum(l, key=None):
    """
    Sorts the given iterable in the way that is expected.

    Args:
        l: The iterable to be sorted.
    """
    convert = lambda text: int(text) if text.isdigit() else text
    alphanum_key = lambda key: [convert(c) for c in re.split('([0-9]+)', key)]

    return sorted(l, key=lambda x: alphanum_key(key(x) if key else x))


# ((for i in $(docker network ls | grep overlay | awk '{print $2}'); do echo $(docker network inspect $i | grep 'Subnet.*192.*' | awk '{print $2}') $i; done;) | grep -v 'ingress$' | sed -e 's/"//g' -e 's/,//g' -e 's/\(.*\.\([^/]*\).*\)/\2 \1/' | sort -n | cut -d ' ' -f '2-') | sort -n -k1
networks = []
for line in $(docker network ls).splitlines()[1:]:
    line_split = line.strip().split()
    if line_split[2] != 'overlay':
        continue

    network_name = line_split[1]

    subnet = $(
        docker inspect @(network_name) | \
        jq -r '.[0]["IPAM"]["Config"][0]["Subnet"]'
    ).strip()

    networks.append([subnet, network_name])

print(tabulate(
    sorted_alnum(networks, key=lambda x: x[0]),
    headers=['Subnet', 'Network']
))