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class _virConn():
def __init__(self,*argv):
try:
self.__conn = libvirt.open('qemu+ssh://root@{}/system'.format(argv[0]))
__string = "conn sys local success"
log(__string)
except Exception,msg:
log(msg)

#get the host run all domain,and return a list, the fun() must host,user
def _getAllDomains(self,):
try:
__getList = self.__conn.listAllDomains()
return [x.name() for x in __getList]
except Exception,msg:
log(msg)
return False

def _getVolObj(self,path):
try:
obj = self.__conn.storageVolLookupByPath(path=path)
return obj
except Exception,msg:
log(msg)

def _defineXML(self,xml):
try:
self.__conn.defineXML(xml)
except Exception,msg:
log(msg)
return

#entry a domain info (name,uuid,id) return the domain object
def _getDomainObject(self,__str,__type):
try:
if __type == 'id':
__object = self.__conn.lookupByID(__str)
return __object

if __type == 'uuid':
__object = self.__conn.lookupByUUIDString(__str)
return __object

if __type == 'name':
__object = self.__conn.lookupByName(__str)
return __object

except Exception,msg:
log(msg)
return False

def _getStoragePoolObject(self, __str, __type):
try:
if __type == 'name':
__object = self.__conn.storagePoolLookupByName(__str)

if __type == 'uuid':
__object = self.__conn.storagePoolLookupByUUidString(__str)
return __object
except Exception,msg:
log(msg)

def _getInterfaceObject(self,__str,__type):
try:

if __type == 'mac':
__object = self.__conn.interfaceLookupByMACString(__str)
return __object

if __type == 'name':
__object = self.__conn.interfaceLookupByName(__str)
return __object
except Exception,msg:
log(msg)
return False

def __getDomainId(self,__str):
try:
__object = self.__conn.listDomainsID()
return __object
except Exception,msg:
log(msg)
return False

def _getHostname(self):
try:
__object = self.__conn.getHostname()
return __object
except Exception,msg:
log(msg)

def _getVersion(self):
try:
__ob = self.__conn.getVersion()
return __ob
except Exception,msg:
log(msg)

def _getMemoryStats(self):
try:
__ob = self.__conn.getMemoryStats(cellNum=-1) #get host memory status cellNum=-1 get free,total.cache,swap,cellNum=0 get free,total
return __ob
except Exception,msg:
log(msg)

def _getNetworks(self):
try:
__ob = self.__conn.listAllNetworks(flags=0)
if __ob:
return [x.name() for x in __ob]   #get host all network bridge name
except Exception,msg:
log(msg)

def _getInterfaces(self):
try:
__ob = self.__conn.listAllInterfaces(flags=0)
return [x.name() for x in __ob]     #get host all network interface name
except Exception,msg:
log(msg)

def _getDevices(self):
try:
__ob = self.__conn.listAllDevices(flags=0)  #get host all
return [ x.name() for x in __ob ]
except Exception,msg:
log(msg)

def _getStoragePools(self):
try:
__ob = self.__conn.listAllStoragePools(flags=0)
return [ x.name() for x in __ob]
except Exception,msg:

log(msg)