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import uuid
import os
from uncloud.oneshot import logger
class VM(object):
def __init__(self, vmm, config):
self.config = config
self.vmm = vmm
# Extract VM specs/metadata from configuration. = config.get('name')
self.memory = config.get('memory', 1024)
self.cores = config.get('cores', 1)
self.threads = config.get('threads', 1)
self.image_format = config.get('image_format', 'qcow2')
self.image = config.get('image')
self.uuid = config.get('uuid', uuid.uuid4())
self.mac = config.get('mac', 'spuik')
# Harcoded & generated values.
self.accel = 'kvm'
def get_qemu_args(self):
command = (
"-uuid {uuid} -name {name}"
" -drive file={image},format={image_format},if=virtio"
" -device virtio-rng-pci"
" -m {memory} -smp cores={cores},threads={threads}"
image=self.image, image_format=self.image_format,
memory=self.memory, cores=self.cores, threads=self.threads,
return command.split(" ")
def start(self):
# Check that VM image is available.
if not os.path.isfile(self.image):
logger.error("Image {} does not exist. Aborting.".format(self.image))
# Generate config for and run QEMU.
qemu_args = self.get_qemu_args()
logger.warning("QEMU args for VM {}: {}".format(self.uuid, qemu_args))
def stop(self):
def get_status(self):
return self.vmm.get_status(self.uuid)
def get_vnc_addr(self):
return self.vmm.get_vnc(self.uuid)
def get_uuid(self):
return self.uuid
def get_name(self):
success, json = self.vmm.execute_command(uuid, 'query-name')
if success:
return json['return']['name']
return None