uncloud-mravi/uncloud/oneshot/main.py

65 lines
2.2 KiB
Python

import argparse
import os
from pathlib import Path
from uncloud.vmm import VMM
from . import virtualmachine, logger
arg_parser = argparse.ArgumentParser('oneshot', add_help=False)
arg_parser.add_argument('--workdir', default=Path.home())
arg_parser.add_argument('--list-vms', action='store_true')
arg_parser.add_argument('--start-vm', action='store_true')
arg_parser.add_argument('--stop-vm', action='store_true')
arg_parser.add_argument('--name')
arg_parser.add_argument('--image')
arg_parser.add_argument('--uuid')
arg_parser.add_argument('--mac')
arg_parser.add_argument('--get_vm_status', action='store_true')
arg_parser.add_argument('--setup-network')
def setup_network():
print("Not implemented yet.")
exit(1)
def require_with(arguments, required, mode):
if not arguments[required]:
print("--{} is required with the {} flag. Exiting.".format(required, mode))
exit(1)
def main(arguments):
# Initialize VMM
workdir = arguments['workdir']
vmm = VMM(vmm_backend=workdir)
# Initialize workdir directory.
# TODO: copy ifup, ifdown.
# Build VM configuration.
vm_config = {}
for spec in ['uuid', 'memory', 'cores', 'threads', 'image', 'image_format', 'name']:
if arguments.get(spec):
vm_config[spec] = arguments[spec]
# Execute requested VM action.
vm = virtualmachine.VM(vmm, vm_config)
if arguments['setup_network']:
setup_network()
elif arguments['start_vm']:
require_with(arguments, 'image', 'start_vm')
vm.start()
logger.info("Created VM {}".format(vm.get_uuid))
elif arguments['get_vm_status']:
require_with(arguments, 'uuid', 'get_vm_status')
print("VM: {} {} {}".format(vm.get_uuid(), vm.get_name(), vm.get_status()))
elif arguments['stop_vm']:
require_with(arguments, 'uuid', 'stop_vm')
vm.stop()
elif arguments['list_vms']:
discovered = vmm.discover()
print("Found {} VMs.".format(len(discovered)))
for uuid in vmm.discover():
vmi = virtualmachine.VM(vmm, {'uuid': uuid})
print("VM: {} {} {}".format(vmi.get_uuid, vmi.get_name, vmi.get_status))
else:
print('No action requested. Exiting.')