def _startDev(self):
host = self.host
vmid = self.vmid
state = qm.getState(host, vmid)
if not self.getVncPort():
self.host.takeId("port", self.setVncPort)
if state == State.CREATED:
self._prepareDev()
state = qm.getState(host, vmid)
for iface in self.interfaceSetAll():
iface_id = int(re.match("eth(\d+)", iface.name).group(1))
# qm automatically connects ethN to vmbrN
# if this bridge does not exist, kvm start fails
ifaceutil.bridgeCreate(host, "vmbr%d" % iface_id)
try:
if state == State.PREPARED:
qm.start(host, vmid)
for iface in self.interfaceSetAll():
qm.waitForInterface(host, vmid, iface.name)
self.connectToBridge(iface, self.getBridge(iface))
self._startVnc()
self.state = State.STARTED
self.save()
except:
try:
qm.stop(host, vmid)
except:
pass
raise
def _freeId(self, type, id): if type == "vmid": if qm.getState(self, id) == State.STARTED: qm.stop(self, id) if qm.getState(self, id) == State.PREPARED: qm.destroy(self, id) if vzctl.getState(self, id) == State.STARTED: vzctl.stop(self, id) if vzctl.getState(self, id) == State.PREPARED: vzctl.destroy(self, id) elif type == "port": process.killPortUser(self, id) elif type == "bridge": ifaceutil.bridgeRemove(self, "gbr_%d" % id, True, True)
def _realIdState(self, type, id): if type == "vmid": return qm.getState(self, id) != State.CREATED or vzctl.getState(self, id) != State.CREATED elif type == "port": return not process.portFree(self, id) elif type == "bridge": return ifaceutil.bridgeExists(self, "gbr_%d" % id)
def interfaceDevice(self, iface): try: return qm.interfaceDevice(self.host, self.getVmid(), iface.name) except: self.state = qm.getState(self.host, self.getVmid()) self.save() raise
def _destroyDev(self): host = self.host vmid = self.getVmid() if not host: return if vmid: 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 self.state = State.CREATED self.save() self._unassignVmid() self._unassignBridges() self._unassignHost()
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 getState(self): if not self.getVmid() or not self.host: return State.CREATED return qm.getState(self.host, self.getVmid())