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kiwi-scp/kiwi_scp/subcommands/_hidden.py

54 lines
1.5 KiB
Python

# system
import logging
import subprocess
# local
from ..config import LoadedConfig
from ..executable import Executable
from ..subcommand import SubCommand
def _find_net(net_name):
ps = Executable('docker').run([
'network', 'ls', '--filter', f"name={net_name}", '--format', '{{.Name}}'
], stdout=subprocess.PIPE)
net_found = str(ps.stdout, 'utf-8').strip()
return net_found == net_name
class NetUpCommand(SubCommand):
"""kiwi net-up"""
def __init__(self):
super().__init__(
'net-up',
action="Creating the local network hub for", add_parser=False,
description="Create the local network hub for this instance"
)
def _run_instance(self, runner, args):
config = LoadedConfig.get()
net_name = config['network:name']
net_cidr = config['network:cidr']
if _find_net(net_name):
logging.info(f"Network '{net_name}' already exists")
return True
try:
Executable('docker').run([
'network', 'create',
'--driver', 'bridge',
'--internal',
'--subnet', net_cidr,
net_name
], check=True, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
logging.info(f"Network '{net_name}' created")
except subprocess.CalledProcessError:
logging.error(f"Error creating network '{net_name}'")
return False
return True