def lock(self, type=Constants.LockType_Shared):
"""Contextmanager yielding a session to a locked machine.
Machine must be registered."""
session = Session.create()
with VirtualBoxException.ExceptionHandler():
self.getIMachine().lockMachine(session.getISession(), type)
try:
session._setMachine(VirtualMachine(session.getIMachine()))
yield session
finally:
session.unlockMachine(wait=True)
def powerOn(self, type="gui", env=""):
"""Spawns a new process that executes a virtual machine.
This is spawning a "remote session" in VirtualBox terms."""
# TODO: Add a wait argument
if not self.isRegistered():
raise VirtualBoxException.VirtualBoxInvalidVMStateException(
"VM is not registered")
with VirtualBoxException.ExceptionHandler():
iMachine = self.getIMachine()
session = Session.create()
iprogress = iMachine.launchVMProcess(session.getISession(),
type, env)
progress = Progress(iprogress)
progress.waitForCompletion()
session.unlockMachine()
