def start(self,vmname): """Starts a virtual machine vmname: Name of the virtual machine""" if vmname in self.vmhash: return "Error: VM is already running" for vmfile in os.listdir(self.vmpath): vm = Vm(self.vmpath+'/'+vmfile,self.disks) if vm.name==vmname: if vm.status=="stopped": self.vmhash[vm.name] = vm vm.start() return "started VM" else: return "Error: VM is not stopped" return "Error: VM not found"
def resume(self,vmname): """Resumes a suspended virtual machine from a snapshot. vmname: Name of the virtual machine""" if vmname in self.vmhash: if self.vmhash[vmname].hasFinished()==None: return "Error: VM is still running" for vmfile in os.listdir(self.vmpath): vm = Vm(self.vmpath+'/'+vmfile,self.disks) if vm.name==vmname: if vm.status=="suspended": self.vmhash[vm.name] = vm vm.resume() return "Resumed VM" else: return "Error: VM not suspended" return "Error: VM not found"
def GetVmBySummaryPath(self, vmxFilename):
self.serviceInstance
dsPath = self.GetDsPathFromLocalPath(vmxFilename)
if (dsPath == None):
return None
managedObject = pyVim.folder.FindBySummaryPath(dsPath)
if managedObject is None:
return None
vm = Vm(host=self, managedObject=managedObject)
if not managedObject:
vm.dsPath = dsPath
return vm
def GetVmByCfgPath(self, vmxFilename):
"""
@todo Look at moving path conversion stuff into pyVim or other lib
"""
self.serviceInstance
dsPath = self.GetDsPathFromLocalPath(vmxFilename)
managedObject = pyVim.folder.FindCfg(dsPath)
if managedObject is None:
raise pyVmomi.vim.fault.NotFound(
msg='No virtual machine found with config path: %s' \
% vmxFilename)
vm = Vm(host=self, managedObject=managedObject)
if not managedObject: vm.dsPath = dsPath
return vm
def GetVms(self):
self.serviceInstance
if not self._vmList:
self._vmList = [
Vm(host=self, managedObject=managedObject)
for managedObject in pyVim.folder.GetAll()
]
return self._vmList
def AcceptNewECS(self):
#读取现有所有机器
OldList = self.VQ.q
OldResource = self.NCPool.NCResource
NewList = []
while True:
NewEcs = self.NewVm.get1vm(gl.get_value('NowDate'))
if NewEcs != None: #列表里还有机器
#EcsListTmp.append(NewEcs)
NewVm = Vm(NewEcs["vmid"], NewEcs["vmtype"],
NewEcs["createtime"], NewEcs["releasetime"])
# 添加今日新机至机器列表
NewList.append(NewVm)
else: #所有机器读完，释放所有资源
break
EcsListTmp = OldList + NewList
# 机器排序
# 线性规划
while True:
DisAns = self.NCPool.Distribute_ECS(EcsListTmp)
if DisAns == None:
# 无解，要删机器了
self.NCPool.NCResource = OldResource # 恢复资源使用量，避免出现负数
self.NCPool.DeleteEcs(NewList)
EcsListTmp = OldList + NewList
else:
break
loseVm = []
# 依次给每个机器安排资源
for NewECS in EcsListTmp:
NewVM = self.NCPool.create1Vm(NewECS, DisAns) #给这一块ECS分配内存
if NewVM != None:
if NewVM.status == "running": #可以分配成功，计算收益
#self.gl.get_value('OP')writevm((gl.get_value('NowDate'),NewVM.name,NewVM.status,NewVM.NC.NCid,NewVM.Type,NewVM.CPU,NewVM.Memory,NewVM.createtime,NewVM.releasetime))
gl.get_value('OP').writevm(
(gl.get_value('NowDate'), NewVM.name, NewVM.status,
NewVM.NC.NCid, NewVM.Type, NewVM.CPU, NewVM.Memory,
NewVM.createtime, "\\N"
if NewVM.releasetime == datetime.datetime.strptime(
"2099-12-31 00:00:00",
'%Y-%m-%d %H:%M:%S').date() else
NewVM.releasetime))
gl.set_value('TodayEarnMoney',
gl.get_value('TodayEarnMoney') + NewVM.Income)
else: #分配不成功，直接输出，正式答案里不输出
#self.VQ.delete(NewVM)#从现存队列中删除,删除以后队列自动向前移动，会漏数据
loseVm.append(NewVM)
#self.gl.get_value('OP')writevm((gl.get_value('NowDate'),NewVM.name,NewVM.status,NewVM.NC.NCid,NewVM.Type,NewVM.CPU,NewVM.Memory,NewVM.createtime,NewVM.releasetime))
#gl.get_value('OP').writevm((gl.get_value('NowDate'),NewVM.name,NewVM.status,None,NewVM.Type,NewVM.CPU,NewVM.Memory,NewVM.createtime,"\\N" if NewVM.releasetime == datetime.datetime.strptime("2099-12-31 00:00:00",'%Y-%m-%d %H:%M:%S').date() else NewVM.releasetime,None,None,None))
self.VQ.q = EcsListTmp
self.VQ.delete(loseVm)
self.VQ.sortMyself()
def GetVmBySummaryName(self, name):
self.serviceInstance
if (not self._nameToVm.has_key(name)):
managedObject = pyVim.folder.FindBySummaryName(name)
if managedObject is None:
return None
vm = Vm(host=self, managedObject=managedObject)
self._nameToVm[name] = vm
return vm
return self._nameToVm[name]
def GetVmByName(self, name):
self.serviceInstance
if not self._nameToVm.has_key(name):
managedObject = pyVim.folder.Find(name)
if managedObject is None:
raise pyVmomi.vim.fault.NotFound(
msg='No virtual machine found with name: ' + name)
vm = Vm(host=self, managedObject=managedObject)
self._nameToVm[name] = vm
return self._nameToVm[name]
def main():
print("vm server initializing")
config = libxml2.parseFile("config.xml")
for node in config.xpathEval('/vmconfig/path'):
vmpath = node.content
print(vmpath)
for node in config.xpathEval('/vmconfig/diskspath'):
diskspath = node.content
print(diskspath)
for node in config.xpathEval('/vmconfig/auth/login'):
login = node.content
for node in config.xpathEval('/vmconfig/auth/passwd'):
passwd = node.content
for node in config.xpathEval('/vmconfig/bind/ip'):
bindip = node.content
for node in config.xpathEval('/vmconfig/bind/port'):
bindport = int(node.content)
disks = Disks(diskspath)
for vmfile in os.listdir(vmpath):
vm = Vm(vmpath+'/'+vmfile,disks)
if vm.autostart:
print("autostarting "+vm.name)
vm.awake()
if vm.status=="running":
vmhash[vm.name] = vm
signal.signal(signal.SIGINT, shutdown)
signal.signal(signal.SIGTERM, shutdown)
#signal.pause()
vmrpc = VmRpc(vmpath,disks,vmhash)
server = DocXMLRPCServer.DocXMLRPCServer(tuple([bindip, bindport]))
server.register_instance(vmrpc)
print "Listening on: http://"+bindip+":"+str(bindport)+"/"
server.timeout = 1
while True:
handleFinished()
#server.serve_forever()
server.handle_request()
return
def create_vm(os, name, memory, cpu_n):
try:
vms = get_vms()
exists = False
for vm in vms:
if vm["name"] == name:
exists = True
if exists:
return -1
base_image = 'linux_base'
if os == 'Windows 2008 (64-bit)':
base_image = 'windows_base'
vm = Vm()
vbox = VBox()
vbox.create(base_image, name, memory * 1024, cpu_n)
return 1
except Exception as e:
print('error - create_vm')
print(e)
return 0
def get_vms():
try:
vbox = VBox()
vms = vbox.list_vms()
data = []
for vm in vms:
vm_obj = Vm()
vm_obj.set_cpus(vm["Number of CPUs"])
vm_obj.set_name(vm["Name"])
vm_obj.set_memory(float(vm["Memory size"]))
vm_obj.set_os(vm["Guest OS"])
vm_obj.set_state(vm["State"])
data.append(vm_obj.__dict__)
return data
except Exception as e:
print('error - get_vms')
print(e)
return 0
