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 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 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
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
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:
