def __createVM(self):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-21 10 : 49
Description :
Make sure there is always a VM called 'test'
Delete the VM first if it exists, and then create
another VM called 'test'.
'''
_id = '103adb75-f41a-4dae-8bdc-c61e92c85e58'
name = self.name
memory = 1024
vcpu = 2
mac = ''
diskDir = '/home/res/images/test.qcow2'
isoDir = '/home/res/iso/CentOS-7.1.iso'
bridgeSrc = 'ovs0'
try:
self.__deleteVM(self.name)
except:
pass
log.debug("After deletion, now let's create a new one.")
return VM.create(_id, name, memory, vcpu, mac, diskDir,
isoDir, bridgeSrc)
def logNotFound(objectName, NameOrId, message):
"""
Author : LHearen
E-mail : [email protected]
Time : 2016-01-07 11:09
Description : Used to log not found error in libvirt.log;
"""
log.debug("%s %s Not Found! Message: %s" % (objectName, NameOrId, message))
def listPools():
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-30 10 : 25
Description : Used to list all known pools;
'''
try:
poolNames = conn.listAllStoragePoolsNames()
except libvirtError, e:
log.debug("pool listing error! Message: %s" % e)
return None
def __shutoffVM(self, vm_name):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-21 11 : 01
Description : If the VM is running, shut it off forcefully.
'''
try:
dom = VM.conn.lookupByName(self.name)
if dom.isActive():
dom.destroyFlags(int(0))
except Exception, e:
log.debug(str(e))
def testDelete(self):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-21 11 : 11
Description : Make sure the deletion operation is effective;
'''
self.__deleteVM()
try:
VM.conn.lookupByName(self.name)
except Exception, e:
log.debug(e)
log.debug(type(e))
def __deleteVM(self):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-21 10 : 45
Description : Remove the vm_name VM for later VM creation process.
'''
try:
log.debug('Delete domain first')
dom = VM.conn.lookupByName(self.name)
if dom.isActive():
dom.destroyFlags(int(0))
dom.undefineFlags(int(0))
except Exception, e:
log.debug(str(e))
def testStart(self):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-21 11 : 06
Description : Make sure the starting operation takes effect
after at most 6 seconds.
'''
dom = self.__startVM()
for i in range(3):
sleep(2)
if dom.isActive():
break
log.debug(dom.isActive())
self.assertTrue(dom.isActive())
def delete(_id):
'''
Author : LHearen
E-mail : [email protected]
Time : 2016-01-05 10:23
Description : Used to delete or undefine a virtual network card;
'''
try:
vif = conn.networkLookupByUUIDString(_id)
if vif.isActive():
vif.destroy()
vif.undefine()
VIFHelper.remove({"_id": _id})
except Exception, e:
log.debug("VIF.delete Failed! Message: %s" % e)
return None
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 testReboot(self):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-21 11 : 08
Description : Detect two states changes from up to down
then from down to up.
'''
try:
self.__startVM(self.name)
except:
pass
dom_id0 = self.__get_vm_id(self.name)
log.debug(dom_id0)
_id = VM.conn.lookupByName(self.name).UUIDString()
log.debug("reboot" + _id)
VM.reboot(str(_id))
dom_id1 = self.__get_vm_id(self.name)
log.debug(dom_id1)
self.assertTrue(dom_id1 > dom_id0)
Time : 2015-12-16 14 : 00
Description : destory the VM first if it's still active
and then undefine it and delete the document in db;
'''
dom = None
try:
dom = conn.lookupByUUIDString(_id)
except Exception, e:
logNotFound("VM", _id, e)
return None
if dom:
if dom.isActive(): dom.destroyFlags(int(flags))
try:
dom.undefineFlags(int(flags))
except Exception, e:
log.debug("VM %s deletion failed! Message: %s" % (_id, e))
try:
conn.lookupByUUIDString(_id)
except Exception, e:
log.error("VM %s deletion failed! Message: %s" % (_id, e))
filterDict = {"_id": _id}
ret = VMHelper.remove(filterDict)
if ret['ok'] > 0:
return True
else:
log.debug("mongodb deletion failed!")
return None
return None
def reboot(_id, flags=0):
'''
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):
'''
Author : LHearen
E-mail : [email protected]
Time : 2016-01-06 15:35
Description : Detaching a vif from a VM;
'''
dom = None
try:
dom = conn.lookupByUUIDString(vm_id)
except Exception, e:
logNotFound("VM", vm_id, e)
Time : 2015-12-30 10 : 17
Description : Delete the pool specified by a name;
'''
try:
pool = conn.storagePoolLookupByUUIDString(_id)
except libvirtError, e:
logNotFound("Pool", _id, e)
return None
if pool.isActive():
pool.destroy()
try:
pool.undefine()
filterDict = {"_id": _id}
VBDHelper.removePool(filterDict)
except libvirtError, e:
log.debug("pool %s cannot be removed! Message: %s" % (_id, e))
return None
return True
def listPools():
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-30 10 : 25
Description : Used to list all known pools;
'''
try:
poolNames = conn.listAllStoragePoolsNames()
except libvirtError, e:
log.debug("pool listing error! Message: %s" % e)
return None