def configure(self, properties): if "template" in properties: fault.check(self.state != State.STARTED, "Cannot change template of running device: %s" % self.name) Device.configure(self, properties) if "template" in properties: self.setTemplate(properties["template"]) if self.state == State.PREPARED: qm.useTemplate(self.host, self.getVmid(), self.getTemplate()) self.save()
def _prepareDev(self):
#assign host
if not self.host:
self.host = self.hostOptions().best()
fault.check(self.host, "No matching host found")
self.save()
host = self.host
self._assignTemplate()
self._assignBridges()
if not self.getVmid():
self.host.takeId("vmid", self.setVmid)
fault.check(self.getVmid(), "No free vmid")
vmid = self.getVmid()
state = qm.getState(host, vmid)
if state == State.STARTED:
qm.stop(host, vmid)
state = qm.getState(host, vmid)
if state == State.PREPARED:
qm.destroy(host, vmid)
state = qm.getState(host, vmid)
assert state == State.CREATED
#nothing happened until here
qm.create(host, vmid)
try:
qm.useTemplate(host, vmid, self.getTemplate())
self._configureVm()
for iface in self.interfaceSetAll():
qm.addInterface(host, vmid, iface.name)
self.state = State.PREPARED
self.save()
except:
try:
qm.destroy(host, vmid)
except:
pass
raise
def _useTemplate(self): qm.useTemplate(self.host, self.getVmid(), self.getTemplate())
