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54 lines
2.0 KiB
Python
Executable File
54 lines
2.0 KiB
Python
Executable File
#!/usr/bin/python
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import sys
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from xml.dom.minidom import parse
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from cloudutils.configFileOps import configFileOps
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from cloudutils.networkConfig import networkConfig
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def isOldStyleBridge(brName):
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if brName.find("cloudVirBr") == 0:
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return True
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else:
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return False
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def getGuestNetworkDevice():
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netlib = networkConfig()
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cfo = configFileOps("/etc/cloudstack/agent/agent.properties")
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guestDev = cfo.getEntry("guest.network.device")
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enslavedDev = netlib.getEnslavedDev(guestDev, 1)
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return enslavedDev
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def handleMigrateBegin():
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try:
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domain = parse(sys.stdin)
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for interface in domain.getElementsByTagName("interface"):
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source = interface.getElementsByTagName("source")[0]
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bridge = source.getAttribute("bridge")
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if not isOldStyleBridge(bridge):
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continue
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vlanId = bridge.replace("cloudVirBr","")
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phyDev = getGuestNetworkDevice()
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newBrName="br" + phyDev + "-" + vlanId
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source.setAttribute("bridge", newBrName)
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print(domain.toxml())
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except:
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pass
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if __name__ == '__main__':
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if len(sys.argv) != 5:
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sys.exit(0)
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if sys.argv[2] == "migrate" and sys.argv[3] == "begin":
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handleMigrateBegin()
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