is /etc/libvirt/hooks/qemu executable?
2015-05-11 18:08 GMT+02:00 Mike C <mcrosson_cloudst...@nusku.net>:
> On 2015-05-11 03:02, Wei ZHOU wrote:
>
>> Hi Mike,
>>
>> Please apply the following patch to cloudstack, and copy the file
>> agent/bindir/libvirtqemuhook.in to repace /etc/libvirt/hooks/qemu on your
>> hosts
>>
>>
> Wei,
>
> I've applied the patch manually (git apply failed) and the error persists.
> Below you'll find the contents of /etc/libvirt/hooks/qemu (I've removed the
> licensing / header for brevity).
>
> I've even stopped/started the router in case the patched script only runs
> when a VM is first started. I've included the domain.toxml() output below
> as well.
>
> -- Mike
>
> import sys
> from xml.dom.minidom import parse
> from cloudutils.configFileOps import configFileOps
> from cloudutils.networkConfig import networkConfig
> def isOldStyleBridge(brName):
> if brName.find("cloudVirBr") == 0:
> return True
> else:
> return False
> def isNewStyleBridge(brName):
> if re.match(r"br(\w+)-(\d+)", brName) == None:
> return False
> else:
> return True
> def getGuestNetworkDevice():
> netlib = networkConfig()
> cfo = configFileOps("/etc/cloudstack/agent/agent.properties")
> guestDev = cfo.getEntry("guest.network.device")
> enslavedDev = netlib.getEnslavedDev(guestDev, 1)
> return enslavedDev.split(".")[0]
> def handleMigrateBegin():
> try:
> domain = parse(sys.stdin)
> for interface in domain.getElementsByTagName("interface"):
> source = interface.getElementsByTagName("source")[0]
> bridge = source.getAttribute("bridge")
> if isOldStyleBridge(bridge):
> vlanId = bridge.replace("cloudVirBr","")
> elif isNewStyleBridge(bridge):
> vlanId = re.sub(r"br(\w+)-","",bridge)
> else:
> continue
> phyDev = getGuestNetworkDevice()
> newBrName="br" + phyDev + "-" + vlanId
> source.setAttribute("bridge", newBrName)
> print(domain.toxml())
> except:
> pass
> if __name__ == '__main__':
> if len(sys.argv) != 5:
> sys.exit(0)
>
> if sys.argv[2] == "migrate" and sys.argv[3] == "begin":
> handleMigrateBegin()
>
>
>
> 2015-05-11 12:04:36,831 DEBUG [kvm.resource.LibvirtComputingResource]
> (agentRequest-Handler-2:null) starting r-93-VM: <domain type='k
> vm'>
> <name>r-93-VM</name>
> <uuid>5269e919-564a-4986-92c1-07464e99e3ce</uuid>
> <description>Debian GNU/Linux 7(64-bit)</description>
> <clock offset='utc'>
> </clock>
> <features>
> <pae/>
> <apic/>
> <acpi/>
> </features>
> <devices>
> <emulator>/usr/bin/kvm-spice</emulator>
> <interface type='bridge'>
> <source bridge='brbond0-1208'/>
> <mac address='02:00:6b:5b:00:03'/>
> <model type='e1000'/>
> <bandwidth>
> <inbound average='25600' peak='25600'/>
> <outbound average='25600' peak='25600'/>
> </bandwidth>
> </interface>
> <interface type='bridge'>
> <source bridge='cloud0'/>
> <mac address='0e:00:a9:fe:01:68'/>
> <model type='e1000'/>
> </interface>
> <interface type='bridge'>
> <source bridge='cloudbr0'/>
> <mac address='06:13:ca:00:00:36'/>
> <model type='e1000'/>
> <bandwidth>
> <inbound average='25600' peak='25600'/>
> <outbound average='25600' peak='25600'/>
> </bandwidth>
> </interface>
> <serial type='pty'>
> <target port='0'/>
> </serial>
> <graphics type='vnc' autoport='yes' listen='172.16.16.30'
> passwd='2b74e551cba07566'/>
> <disk device='disk' type='file'>
> <driver name='qemu' type='qcow2' cache='none' />
> <source
> file='/mnt/d5174632-721e-39ed-b93b-462539f63c77/c1b45654-5e74-420e-bf91-5beb745546f8'/>
> <target dev='hda' bus='ide'/>
> </disk>
> <disk device='cdrom' type='file'>
> <driver name='qemu' type='raw' cache='none' />
> <source file='/usr/share/cloudstack-common/vms/systemvm.iso'/>
> <target dev='hdc' bus='ide'/>
> </disk>
> <console type='pty'>
> <target port='0'/>
> </console>
> <input type='tablet' bus='usb'/>
> <channel type='unix'>
> <source mode='bind' path='/var/lib/libvirt/qemu/r-93-VM.agent'/>
> <target type='virtio' name='r-93-VM.vport'/>
> <address type='virtio-serial'/>
> </channel>
> </devices>
> <memory>262144</memory>
> <devices>
> <memballoon model='none'/>
> </devices>
> <vcpu>1</vcpu>
> <os>
> <type arch='x86_64' machine='pc'>hvm</type>
> <boot dev='cdrom'/>
> <boot dev='hd'/>
> </os>
> <cputune>
> <shares>500</shares>
> </cputune>
> <cpu></cpu><on_reboot>restart</on_reboot>
> <on_poweroff>destroy</on_poweroff>
> <on_crash>destroy</on_crash>
> </domain>
>
