def create(_id, name, source, macString):
'''
Author : LHearen
E-mail : [email protected]
Time : 2016-01-05 09:40
Description : Used to create a virtual network card;
'''
if len(_id) < 5:
from utils.UUIDGenerator import createString
global VIFUUIDString
_id = createString()
name = name if name else _id
VIFUUIDString = _id
xmlConfig = XmlConverter.toNetXml(_id, name, source, macString)
try:
conn.networkDefineXML(xmlConfig)
except Exception:
log.exception(traceback.print_exc())
return None
return True
def createPool(_id, name, target):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-30 10 : 17
Description : Using indispensible factors to create a pool;
'''
if len(_id) < 5:
from utils.UUIDGenerator import createString
_id = createString()
name = name if name else _id
global PoolName
PoolName = name
global PoolUUIDString
PoolUUIDString = _id
config = XmlConverter.toSRXml(_id, name, target)
try:
conn.poolCreateXML(config)
except libvirtError, e:
log.debug("pool %s creation failed! Message: %s" % (name, e))
return None
def create(_id, name, memory, vcpu, mac, diskDir, isoDir, bridgeSrc):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-16 09 : 43
Description : Using limited parameters to create a VM and return its UUIDString;
'''
uuid = _id
if len(uuid) < 5:
uuid = createString()
name = name if name else uuid
global UUIDString
UUIDString = uuid
global Name
Name = name
hvm = {"loader": "/usr/lib/xen/boot/hvmloader"}
hvm["boot"] = "cdrom"
hvm["device_model"] = "/usr/lib/xen/bin/qemu-system-i386"
image = {"hvm": hvm}
tap2 = {"dev": "hdc:cdrom"}
tap2["uname"] = "tap:aio:" + isoDir
tap2["mode"] = "r"
vif = {"bridge": bridgeSrc}
if mac is not None:
vif["mac"] = mac;
vbd = {"dev": "hda:disk"}
vbd["uname"] = "tap:aio:" + diskDir
vbd["mode"] = "w"
vfb = {"location": "0.0.0.0:5900"}
vfb["vnclisten"] = "0.0.0.0"
console = {"location": "0"}
xmlConfig = XmlConverter.toVMXml(uuid, name, memory, vcpu, image, tap2,
vif, vbd, vfb, console)
# print xmlConfig
return define_VM_by_xml(xmlConfig)
'''
Author : LHearen
E-mail : [email protected]
Time : 2016-01-06 15:35
Description : Attaching a vif to a VM;
'''
dom = None
try:
dom = conn.lookupByUUIDString(vm_id)
except Exception, e:
logNotFound("VM", vm_id, e)
return None
ret = VIFHelper.retrieve({"_id": vif_id})
macString = ret['macString']
source = ret['source']
interfaceXmlConfig = XmlConverter.toVIFXml(source, macString)
try:
dom.attachDeviceFlags(interfaceXmlConfig, 0)
dataDict = {"busy": True, "attachedVM": vm_id}
VIFHelper.update({"_id": vif_id}, dataDict)
dataDict = {"vifs.vif_id": vif_id, "vifs.macString": macString}
VMHelper.update({"_id": vm_id}, dataDict)
return True
except Exception, e:
log.debug("Attaching VIF %s to VM %s failed! Message: %s" %
(vif_id, vm_id, e))
return None
def detach(vm_id, vif_id):
'''
Description : Create a volume in a existed pool specified by a pool name;
'''
if len(_id) < 5:
from utils.UUIDGenerator import createString
_id = createString()
volName = volName if volName else _id
global VolumeUUIDString
VolumeUUIDString = _id
global VolName
VolName = volName
try:
pool = conn.storagePoolLookupByName(poolName)
except libvirtError, e:
logNotFound("Pool", poolName, e)
return None
config = XmlConverter.toVolumeXml(volName, volSize)
if not pool.isActive():
pool.create()
try:
pool.createXML(config)
return VolumeUUIDString
except libvirtError, e:
log.debug("Volume %s creation failed! Message: %s" % (volName, e))
return None
return None
def deleteVolume(_id):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-30 10 : 31