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 = self.getVmid()
self.setAttribute("migration", {src_host.name: src_vmid})
#assign new host and vmid
self.host = None
self.setVmid(None)
if host:
self.host = host
else:
self._assignHost()
self._assignVmid()
dst_host = self.host
dst_vmid = self.getVmid()
self.setAttribute("migration", {src_host.name: src_vmid, dst_host.name: dst_vmid})
#reassign host and vmid
self.host = src_host
self.setVmid(src_vmid)
#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
self._triggerConnections()
finally:
self.state = State.STARTED
ifaces = map(lambda x: x.name, self.interfaceSetAll())
try:
vzctl.migrate(src_host, src_vmid, dst_host, dst_vmid, self.getTemplate(), ifaces)
except:
# reverted to SRC host
if self.state == State.STARTED:
self._assignVncPort()
self._startVnc()
raise
#switch host and vmid
self.host = dst_host
self.setVmid(dst_vmid)
src_host.giveId("vmid", src_vmid)
self.save()
self.deleteAttribute("migration")
self._configureVm()
if self.state == State.STARTED:
self._assignVncPort()
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:
iface.upcast().connectToBridge()
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))