73 lines
1.9 KiB
Python
73 lines
1.9 KiB
Python
"""
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Manage virtual machines.
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Usage: na-vmctl [options] status <machine>
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na-vmctl [options] is-running <machine>
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na-vmctl [options] start <machine>
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na-vmctl [options] shutdown <machine> [-f|--force] [-9|--sigkill]
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Options:
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-c, --config <file> Config file [default: /etc/node-agent/config.yaml]
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-l, --loglvl <lvl> Logging level
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-f, --force Force action. On shutdown calls graceful destroy()
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-9, --sigkill Send SIGKILL to QEMU process. Not affects without --force
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"""
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import logging
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import pathlib
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import sys
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import libvirt
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from docopt import docopt
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from ..session import LibvirtSession
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from ..vm import VirtualMachine, VMError, VMNotFound
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logger = logging.getLogger(__name__)
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levels = logging.getLevelNamesMapping()
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class Color:
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RED = '\033[31m'
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GREEN = '\033[32m'
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YELLOW = '\033[33m'
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NONE = '\033[0m'
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def cli():
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args = docopt(__doc__)
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config = pathlib.Path(args['--config']) or None
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loglvl = None
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machine = args['<machine>']
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if args['--loglvl']:
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loglvl = args['--loglvl'].upper()
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if loglvl in levels:
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logging.basicConfig(level=levels[loglvl])
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with LibvirtSession(config) as session:
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try:
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vm = VirtualMachine(session, machine)
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if args['status']:
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print(vm.status)
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if args['is-running']:
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if vm.is_running:
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print('running')
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else:
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sys.exit(vm.status)
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if args['start']:
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vm.start()
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print(f'{vm.name} started')
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if args['shutdown']:
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vm.shutdown(force=args['--force'], sigkill=args['sigkill'])
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except VMNotFound as nferr:
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sys.exit(f'{Color.RED}VM {machine} not found.{Color.NONE}')
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except VMError as vmerr:
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sys.exit(f'{Color.RED}{vmerr}{Color.NONE}')
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if __name__ == '__main__':
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cli()
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