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#!/usr/bin/python
from ConfigParser import ConfigParser
from argparse import ArgumentParser
from argparse import ArgumentParser,Namespace
import fcntl
import socket,select
import errno
import re
import os,sys,time
VERSION=0.2
def find_vm(name):
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"drive":"-drive media=disk,index=0,if={interface},file={image}",
"cdrom":"-drive media=cdrom,index=2,if=ide",
"sound":"-soundhw hda",
"usb":"-usb"}
macaddr=":".join(map(lambda x: "%02x"%ord(x),chr(0x52)+os.urandom(5)))
if parsed_args.shared:
machinedir = config.get("directories","SharedVMs")+"/"+parsed_args.name
machinedir = config.get("directories","SharedVMs")+"/"+parsed_args.machine
dirmode = 0755
else:
machinedir = os.environ["HOME"]+"/VWs/"+parsed_args.name
machinedir = os.environ["HOME"]+"/VWs/"+parsed_args.machine
dirmode = 0775
if parsed_args.net != 'user':
bridges = list_bridges()
if not parsed_args.net in bridges:
print >>sys.stderr,"No such bridge %s. Available ones %s"%(parsed_args.net,", ".join(bridges))
sys.exit(1)
options["net"]="-net nic,macaddr=%s -net bridge,br=%s"%(macaddr,parsed_args.net),
options["net"]="-net nic,macaddr=%s -net bridge,br=%s"%(macaddr,parsed_args.net)
else:
options["net"]="-net nic,macaddr=%s -net user"%(macaddr,)
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else:
options["sound"]='-soundhw '+parsed_args.sound
options["memory"]=parsed_args.mem
if os.path.exists(machinedir):
if os.path.exists(machinedir+"/start"):
print >> sys.stderr,"Virtual Worstation %s already exists"%parsed_args.name
print >> sys.stderr,"Virtual Worstation %s already exists"%parsed_args.machine
else:
print >> sys.stderr,"Cannot create VW directory, something on the way"
sys.exit(1)
# Creating directory for VM
os.makedirs(machinedir,dirmode)
driveopts={"interface":parsed_args.diskif,"image":drivename}
if parsed_args.image:
# Copying image file
print >>sys.stderr,"Copying %s to %s"%(parsed_args.image,machinedir+"/"+drivename)
os.system("qemu-img convert -O qcow2 -p %s %s/%s"%(parsed_args.image,machinedir+"/"+drivename))
os.chdir(machinedir)
else:
print >>sys.stderr,"Creating new image file"
os.chdir(machinedir)
os.system("qemu-img create -f qcow2 %s %s"%(drivename,parsed_args.size))
options["drive"]=options["drive"].format(**driveopts)
if parsed_args.debug:
if hasattr(parsed_args,"debug") and parsed_args.debug:
print repr(driveopts),repr(options["drive"])
print repr(options)
with open("start","w") as script:
script.write(template.format(**options))
os.chmod('start',0755)
# If installation media is specified vws start for new vm
if parsed_args.install:
start_opts=Namespace(command='start',cdrom=parsed_args.install,stopped=True)
start_opts=Namespace(machine=parsed_args.machine,
command='start', cdrom=[parsed_args.install],
dir=machinedir, stopped=True, snapshot=False,
args="", gui=True
)
cmd_start(start_opts)
#
# Utility functions for arg parsing
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