def _stopCaptureViaNet(self):
host = self.getHost()
if self.getLiveCapturePort():
tcpdump.stopCaptureViaNet(host, self._captureName(), self.getLiveCapturePort())
self.live_capture_port = None
self.save()
resources.give(self, self.LIVE_CAPTURE_PORT_SLOT)
def migrateRun(self, host=None):
if self.state == State.CREATED:
self._unassignHost()
self._unassignVmid()
return
task = tasks.get_current_task()
#save src data
src_host = self.host
src_vmid = resources.get(self, self.VMID_SLOT)
#assign new host and vmid
self.host = None
if host:
self.host = host
else:
self._assignHost()
dst_host = self.host
dst_vmid = resources.take(dst_host, "vmid", self, "migration")
#reassign host and vmid
self.host = src_host
#destroy all connectors and save their state
constates={}
for iface in self.interfaceSetAll():
if iface.isConnected():
con = iface.connection.connector.upcast()
if con.name in constates:
continue
constates[con.name] = con.state
if con.state == State.STARTED:
con.stop(True, noProcess=True)
if con.state == State.PREPARED:
con.destroy(True, noProcess=True)
tasks.set_current_task(task)
#actually migrate the vm
if self.state == State.STARTED:
self._stopVnc()
try:
self.state = State.PREPARED
for iface in self.interfaceSetAll():
if iface.isConnected():
con = iface.connection.upcast()
con.destroyBridge()
finally:
self.state = State.STARTED
ifaces = map(lambda x: x.name, self.interfaceSetAll())
try:
vzctl.migrate(src_host, src_vmid.num, dst_host, dst_vmid.num, self.getTemplate(), ifaces)
except:
# reverted to SRC host
if self.state == State.STARTED:
self._startVnc()
raise
#switch host and vmid
self.host = dst_host
self.vmid = dst_vmid
self.save()
resources.give(self, self.VMID_SLOT)
self.vmid.slot = self.VMID_SLOT
self.vmid.save()
self.save()
self._configureVm()
if self.state == State.STARTED:
self._startVnc()
#redeploy all connectors
for iface in self.interfaceSetAll():
if iface.isConnected():
con = iface.connection.connector.upcast()
if not con.name in constates:
continue
state = constates[con.name]
del constates[con.name]
if state == State.PREPARED or state == State.STARTED:
con.prepare(True, noProcess=True)
if state == State.STARTED:
con.start(True, noProcess=True)
if self.state == State.STARTED:
self.connectToBridge(iface, self.getBridge(iface))
def _unassignVmid(self): if self.getVmid(): self.vmid = None self.save() resources.give(self, self.VMID_SLOT)
def _unassignVncPort(self): if self.getVncPort(): self.vnc_port = None self.save() resources.give(self, self.VNC_PORT_SLOT)
def _unassignIfb(self):
self.ifb_id = None
self.save()
resources.give(self, self.IFB_ID_SLOT)
def _unassignTincPort(self): if self.getTincPort(): self.tinc_port = None self.save() resources.give(self, self.TINC_PORT_SLOT)
def _unassignBridgeId(self): if self.getBridgeId(): self.bridge_id = None self.save() resources.give(self, self.BRIDGE_ID_SLOT)
def _unassignVtunData(self): if self.getExternalAccessPort(): self.external_access_port = None self.save() resources.give(self, self.EXTERNAL_ACCESS_PORT_SLOT)
