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