def getVMList(self, req):
pmId = req.params.get('id')
azName = PMAndAZDBUtil.getAZNameByResourceId(pmId)
vmList = UsingInstancesDBUtil.getUsingInstancesByAZName(azName)
if not vmList:
return []
else:
return [vm['id'] for vm in vmList]
def updateCloudInfo(self, topoFilePath):
if not topoFilePath:
raise Exception('no topoFile')
topoDic = analyseJsonFormatConfigFile(topoFilePath)
assert topoDic, 'no cloud topo infomation'
#获取Region和AZ的availability
nodeAvailabilityFilePath = '/home/sk/openstackPythonSDKTest/ConfigDic/NodeAvailability'
naf = open(nodeAvailabilityFilePath)
exec naf
naf.close()
cloudRoot = TopoTreeNode('cloudRoot', TopoTreeNodeAvailability)
azList = []
for regionName in topoDic:
regionTreeNode = TopoTreeNode(regionName, RegionAvailability)
cloudRoot.children.append(regionTreeNode)
regionAZs = topoDic[regionName]
for az in regionAZs:
vmsInAz = UsingInstancesDBUtil.getUsingInstancesByAZName(
az['azName'])
if vmsInAz:
azTreeNode = TopoTreeNode(az['azName'], AZAvailability)
regionTreeNode.children.append(azTreeNode)
newAZ = AvailabilityZone(az['azName'], az['distance'],
regionName, azTreeNode,
regionTreeNode)
newAZ.holdVMs = vmsInAz
else:
newAZ = AvailabilityZone(az['azName'], az['distance'],
regionName)
azList.append(newAZ)
#如果region下面的az都没有vm，则说明本application还没有部署到本region下的az里，本region对于本application的可用性为0
if not regionTreeNode.children:
regionTreeNode.availability = 0
self.cloudRoot = cloudRoot
self.azList = sorted(azList, key=attrgetter('distance'))
def deleteSpecifyNumberInstancesWithSpecifyAZ(no, azName):
if not no:
return
holdVms = UsingInstancesDBUtil.getUsingInstancesByAZName(azName)
holdVmsLen = len(holdVms)
if no > holdVmsLen:
raise Exception('Could not down ' + str(no) + ' vms in ' +
str(azName) + ', it only has ' + str(holdVmsLen) +
' vms!')
nova = GetClientUtil.getNovaClient()
count = 0
for vm in holdVms:
targetInstance = nova.servers.get(vm['id'])
targetInstance.delete()
UsingInstancesDBUtil.deleteUsingInstanceByResourceId(
targetInstance.id)
count += 1
if count == no:
break