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