cloudstack/agent/bindir/cloudstack-agent-upgrade.in
Edison Su 7b4f846220 CLOUDSTACK-4405: add a tool: cloudstack-agent-upgrade to upgrade bridge name on kvm host
(cherry picked from commit 0ef6084d2c838a78eda29d258b1af98df96451b3)

Signed-off-by: Wei Zhou <w.zhou@leaseweb.com>
2013-09-24 09:53:05 +02:00

51 lines
2.0 KiB
Python

#!/usr/bin/python
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from cloudutils.networkConfig import networkConfig
from cloudutils.utilities import bash
def isOldStyleBridge(brName):
if brName.find("cloudVirBr") == 0:
return True
else:
return False
def upgradeBridgeName(brName, enslavedDev):
print("upgrade bridge: %s, %s"%(brName, enslavedDev))
vlanId = brName.replace("cloudVirBr", "")
print("find vlan Id: %s"%vlanId)
phyDev = enslavedDev.split(".")[0]
print("find physical device %s"%phyDev)
newBrName = "br" + phyDev + "-" + vlanId
print("new bridge name %s"%newBrName)
bash("ip link set %s down"%brName)
bash("ip link set %s name %s"%(brName, newBrName))
bash("ip link set %s up" %newBrName)
if __name__ == '__main__':
netlib = networkConfig()
bridges = netlib.listNetworks()
bridges = filter(isOldStyleBridge, bridges)
for br in bridges:
enslavedDev = netlib.getEnslavedDev(br, 1)
if enslavedDev is not None:
upgradeBridgeName(br, enslavedDev)
bridges = netlib.listNetworks()
bridges = filter(isOldStyleBridge, bridges)
if len(bridges) > 0:
print("Warning: upgrade is not finished, still some bridges have the old style name:" + str(bridges))
else:
print("Upgrade succeed")