WSL2 - Init docker

init-docker.py

import os
import re
from ipaddress import IPv4Interface, IPv6Interface

def main():
    print("Getting ip")
    # WSL_NIC = getWSLInterface()

    proc = os.popen("wsl /sbin/ip -o -4 addr list eth0:1")
    
    result = proc.read()
    result = result.split('\n')[1].split()
    print(result)
    ip = result[3].split('/')[0]
    print(ip)
    pattern = "^\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}$"
    if not re.match(pattern, ip):
        print("Error getting IP from wsl. Got: " + ip)
        quit()
    print("Got ip address: " + ip)

    gateway = str((IPv4Interface(ip) ).ip)
    #gateway = str((IPv4Interface(ip) + 1).ip)
    print("Using gateway: " + gateway)

    proc = os.popen("route print -4 | findstr 172.18.0.0")
    old_route = proc.read()
    if old_route != '':
        print("Deleting old route " + old_route)
        proc = os.popen("route delete 172.18.0.0")
        print(proc.read())

    print("Setting route")
    
    
    #do ipconfig and check IPv4 Address of Ethernet adapter vEthernet (WSL) 
    #do arp -p, find this ipv4, and convert the hex number of the interface to decimal. 
    #if you do route print -4 you should see the save interface number in the list (but interface name might be different)
    
    proc = os.popen("route add -p 172.18.0.0 MASK 255.255.0.0 " + gateway+" IF 44") 
    
    
    print(proc.read())
    print("route add -p 172.18.0.0 MASK 255.255.0.0 " + gateway)

    print("Assigning IP to wsl")
    proc = os.popen("wsl sudo sed -i 's/^  address.*$/  address " + gateway + "/g' /etc/network/interfaces")
    print(proc.read())

    print("Starting docker on WSL")
    proc = os.popen("wsl sudo init-docker")
    print(proc.read())

    print("Testing")
    proc = os.popen("ping 172.18.0.1 -c 1")
    print(proc.read())


if __name__ == "__main__":
    main()