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def find_vm(name):
search_path=[os.environ['HOME']+"/VWs",
config.get("directories","SharedVMs"),
config.get("directories","AutostartVMs")]
for dirname in search_path:
if not os.access(dirname,os.X_OK):
continue
if name in os.listdir(dirname):
if ( name in os.listdir(dirname) and
os.access(dirname+"/"+name+"/start",os.X_OK)):
return dirname+"/"+name
raise ValueError("Machine "+name+" not found.")
def connect_vm(vm_dir):
sock=socket.socket(socket.AF_UNIX)
if not os.access(vm_dir+"/monitor",os.W_OK):
return None
try:
sock.connect(vm_dir+"/monitor")
greeting=sock.recv(1024)
sock.connect(vm_dir+"/monitor")
except IOError as e:
if e.errno == errno.ECONNREFUSED:
# virtal machine is not running
return None
else:
raise e
r,w,x=select.select([sock],[],[],0.001)
if sock in r:
greeting=sock.recv(1024)
return sock
def send_command(sock,command):
fcntl.flock(sock,fcntl.LOCK_EX)
try:
sock.send(command+"\n")
answer=""
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count = 0
search_path=[os.environ['HOME']+"/VWs",
config.get("directories","SharedVMs"),
config.get("directories","AutostartVMs")]
for dirname in search_path:
if not os.access(dirname+"/.",os.X_OK):
continue
maxlen=0
vms=[]
for vmname in os.listdir(dirname):
if os.access(dirname+"/"+vmname+"/start",os.X_OK):
count += 1
f=[vmname]
if maxlen < len(vmname):
maxlen = len(vmname)
if options.state:
sock = connect_vm(dirname+"/"+vmname)
if sock is None:
state = "stopped"
else:
sock.close()
state = "running"
f.append(state)
vms.append(f)
for f in sorted(vms):
if len(f)==2:
print "%*s %s" % (-maxlen,f[0],f[1])
else:
print vmname
print f[0]
if not count:
sys.exit(1)
def cmd_version(options):
print VERSION
#
# Utility functions for arg parsing
#
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p=new_command(cmds,'spiceuri',help='Output spice URI of machine')
parsed_args=args.parse_args(sys.argv[1:])
parsed_args.stopped = False
stopped_vm_commands = ['start','snapshot','revert','commit','snapshots']
if hasattr(parsed_args,'machine'):
parsed_args.dir=find_vm(parsed_args.machine)
try:
parsed_args.sock=connect_vm(parsed_args.dir)
except IOError as e:
if e.errno == errno.ECONNREFUSED:
# virtal machine is not running
if not parsed_args.command in stopped_vm_commands:
print >>sys.stderr, "Virtual machine %s is not running."%parsed_args.machine
sys.exit(1)
else:
parsed_args.stopped = True
else:
raise e
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