def deletePool(_id):
'''
Author : LHearen
E-mail : [email protected]
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
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)
return None
def delete(_id, flags=0):
'''
Author : LHearen
E-mail : [email protected]
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
def detachVolume(vm_id, vol_id):
'''
Author : LHearen
E-mail : [email protected]
Time : 2016-01-07 16:27
Description : Detach a disk specified by mounted target from a VM;
'''
vol = VBDHelper.retrieveVolume({"_id": vol_id})
target = vol["target"]
try:
vm = conn.lookupByUUIDString(vm_id)
except Exception, e:
logNotFound("VM", vm_id, e)
return None
def attachVolume(vm_id, vol_id, target, driver='qemu', driverType='qcow2'):
'''
Author : LHearen
E-mail : [email protected]
Time : 2016-01-07 10:54
Description : Attaching a volume to a VM;
'''
vol = VBDHelper.retrieveVolume({"_id": vol_id})
volName = vol["volName"]
poolName = vol["poolName"]
try:
pool = conn.storagePoolLookupByName(poolName)
except Exception, e:
logNotFound("Pool", poolName, e)
return None
def listVolumes(_id):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-30 16:24
Description : Used to list volume names in a pool;
'''
pool0 = VBDHelper.retrievePool({'_id': _id})
print pool0
poolName = pool0["name"]
try:
pool = conn.storagePoolLookupByName(poolName)
except libvirtError, e:
logNotFound("Pool", poolName, e)
return None
def deleteVolume(_id):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-30 10 : 31
Description : Used to delete a volume in a specified pool;
'''
vol = VBDHelper.retrieveVolume({"_id": _id})
poolName = vol["poolName"]
volName = vol["volName"]
try:
pool = conn.storagePoolLookupByName(poolName)
except libvirtError, e:
logNotFound("Pool", poolName, e)
return None
def createVolume(_id, poolName, volName, volSize):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-30 15 : 43
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
def reboot(_id, flags=0):
'''
Author : LHearen
E-mail : [email protected]
Time : 2015-12-16 14 : 00
Description : waiting for a period of time until vm is off,
after which destroy it and then start it;
'''
unit = 2
dom = None
try:
dom = conn.lookupByUUIDString(_id)
except Exception:
logNotFound("VM", _id, e)
return None
try:
dom.shutdownFlags(int(flags))
except:
pass
for i in range(3):
sleep(unit)
if not dom.isActive():
break;
if dom.isActive():
try:
dom.destroy()
except:
pass
if not dom.isActive():
try:
dom.createWithFlags(int(flags))
except:
pass
else: return None
if not dom.isActive(): return None
else: return True
E-mail : [email protected] Time : 2015-12-30 10 : 31 Description : Used to delete a volume in a specified pool; ''' vol = VBDHelper.retrieveVolume({"_id": _id}) poolName = vol["poolName"] volName = vol["volName"] try: pool = conn.storagePoolLookupByName(poolName) except libvirtError, e: logNotFound("Pool", poolName, e) return None try: volume = pool.storageVolLookupByName(volName) except libvirtError, e: logNotFound("Volume", volName, e) return None try: volume.delete() filterDict = {"_id": _id} VBDHelper.removeVolume(filterDict) except libvirtError, e: log.debug("Volume %s deletion failed! Message: %s" % (volName, e)) return None return True def listVolumes(_id): ''' Author : LHearen E-mail : [email protected] Time : 2015-12-30 16:24
