def clone(self, instance, clone_data):
'''克隆实例'''
clone_dev_path = []
xml = self.getInsXMLDesc(instance, flag=1)
tree = ElementTree.fromstring(xml)
name = tree.find('name')
name.text = clone_data['name']
uuid = tree.find('uuid')
tree.remove(uuid)
for num, net in enumerate(tree.findall('devices/interface')):
elm = net.find('mac')
inter = net.find('target')
brName = net.find('source').get('bridge')
inter.set('dev', brName + '-' + CommTools.radString(4))
elm.set('address', vMUtil.randomMAC())
for disk in tree.findall('devices/disk'):
if disk.get('device') == 'disk':
elm = disk.find('target')
device_name = elm.get('dev')
if device_name:
target_file = clone_data['disk']
try:
meta_prealloc = clone_data['meta']
except:
meta_prealloc = False
elm.set('dev', device_name)
elm = disk.find('source')
source_file = elm.get('file')
if source_file:
clone_dev_path.append(source_file)
clone_path = os.path.join(os.path.dirname(source_file),
target_file)
elm.set('file', clone_path)
vol = self.getVolumeByPath(source_file)
vol_format = vMUtil.get_xml_path(
vol.XMLDesc(0), "/volume/target/format/@type")
if vol_format == 'qcow2' and meta_prealloc:
meta_prealloc = True
vol_clone_xml = """
<volume>
<name>%s</name>
<capacity>0</capacity>
<allocation>0</allocation>
<target>
<format type='%s'/>
</target>
</volume>""" % (target_file, vol_format)
stg = vol.storagePoolLookupByVolume()
stg.createXMLFrom(vol_clone_xml, vol, meta_prealloc)
if self.defineXML(ElementTree.tostring(tree)): return 0
def addInstanceInterface(self,instance,brName):
netk = self.getNetwork(brName)
if netk:
xml = netk.XMLDesc(0)
tree = ElementTree.fromstring(xml)
try:
mode = tree.find('virtualport').get('type')
except:
mode = 'brct'
interXml = Const.CreateNetcard(nkt_br=brName, ntk_name=brName +'-'+CommTools.radString(length=4), mode=mode)
try:
return instance.attachDeviceFlags(interXml,3)#如果是关闭状态则标记flags为3，保证添加的硬盘重启不会丢失
except Exception,e:
return e
def addInstance(request):
if request.method == "GET":
try:
vMserverId = request.GET.get('id')
vmServer = VMServer.selectOneHost(id=vMserverId)
userList = User.objects.all()
tempList = TempInstance.listVmTemp()
VMS = LibvirtManage(vmServer.uri)
SERVER = VMS.genre(model='server')
NETWORK = VMS.genre(model='network')
if SERVER: vStorage = SERVER.getVmStorageInfo()
else:
return render_to_response(
'404.html', context_instance=RequestContext(request))
except:
vStorage = None
vMImages = SERVER.getVmIsoList()
netkList = NETWORK.listNetwork()
VMS.close()
return render_to_response('vmInstance/add_instance.html', {
"user":
request.user,
"localtion": [{
"name": "首页",
"url": '/'
}, {
"name": "虚拟机实例",
"url": '#'
}, {
"name": "添加虚拟机",
"url": "/addInstance"
}],
"vmServer":
vmServer,
"vStorage":
vStorage,
"vMImages":
vMImages,
"netkList":
netkList,
"tempList":
tempList,
"userList":
userList
},
context_instance=RequestContext(request))
elif request.method == "POST":
op = request.POST.get('op')
if op in [
'custom', 'xml', 'template'
] and request.user.has_perm('VManagePlatform.add_vmserverinstance'):
try:
vMserver = VMServer.selectOneHost(
id=request.POST.get('server_id'))
VMS = LibvirtManage(uri=vMserver.uri)
INSTANCE = VMS.genre(model='instance')
SERVER = VMS.genre(model='server')
STORAGE = VMS.genre(model='storage')
NETWORK = VMS.genre(model='network')
except Exception, e:
return JsonResponse({
"code": 500,
"msg": "虚拟服务器连接失败，请注意连通性。",
"data": e
})
if SERVER:
if op == 'custom':
netks = [
str(i) for i in request.POST.get('netk').split(',')
]
if INSTANCE:
instance = INSTANCE.queryInstance(
name=str(request.POST.get('vm_name')))
if instance:
return JsonResponse({
"code": 500,
"msg": "虚拟机已经存在",
"data": None
})
else:
networkXml = ''
radStr = CommTools.radString(4)
for nt in netks:
netkType = NETWORK.getNetworkType(nt)
netXml = Const.CreateNetcard(nkt_br=nt,
ntk_name=nt +
'-' + radStr,
mode=netkType)
networkXml = netXml + networkXml
pool = STORAGE.getStoragePool(
pool_name=request.POST.get('storage'))
volume_name = request.POST.get('vm_name') + '.img'
if pool:
volume = STORAGE.createVolumes(
pool,
volume_name=volume_name,
volume_capacity=request.POST.get('disk'))
if volume:
disk_path = volume.path()
volume_name = volume.name()
disk_xml = Const.CreateDisk(
volume_path=disk_path)
else:
return JsonResponse({
"code": 500,
"msg": "添加虚拟机失败，存储池里面以存在以主机名命名的磁盘",
"data": None
})
else:
return JsonResponse({
"code": 500,
"msg": "添加虚拟机失败，存储池已经被删除掉",
"data": None
})
dom_xml = Const.CreateIntanceConfig(
dom_name=request.POST.get('vm_name'),
maxMem=int(SERVER.getServerInfo().get('mem')),
mem=int(request.POST.get('mem')),
cpu=request.POST.get('cpu'),
disk=disk_xml,
iso_path=request.POST.get('system'),
network=networkXml)
dom = SERVER.createInstance(dom_xml)
recordLogs.delay(
user=request.user,
action=op,
status=dom,
vm_name=request.POST.get('vm_name'))
if dom == 0:
VMS.close()
VmInstance.insertInstance(
dict(
server=vMserver,
name=request.POST.get('vm_name'),
cpu=request.POST.get('cpu'),
mem=request.POST.get('mem'),
owner=request.POST.get('owner'),
status=1,
))
return JsonResponse({
"code": 200,
"data": None,
"msg": "虚拟主机添加成功。"
})
else:
STORAGE.deleteVolume(pool, volume_name)
VMS.close()
return JsonResponse({
"code": 500,
"data": None,
"msg": "虚拟主机添加失败。"
})
elif op == 'xml':
domXml = request.POST.get('xml')
dom = SERVER.defineXML(xml=domXml)
VMS.close()
recordLogs.delay(user=request.user,
action=op,
status=dom,
vm_name=request.POST.get('vm_name'))
if dom:
return JsonResponse({
"code": 200,
"data": None,
"msg": "虚拟主机添加成功。"
})
else:
return JsonResponse({
"code": 500,
"data": None,
"msg": "虚拟主机添加失败。"
})
elif op == 'template':
try:
temp = TempInstance.selectVmTemp(
id=request.POST.get('temp'))
if INSTANCE:
instance = INSTANCE.queryInstance(
name=str(request.POST.get('vm_name')))
if instance:
return JsonResponse({
"code": 500,
"msg": "虚拟机已经存在",
"data": None
})
else:
pool = STORAGE.getStoragePool(
pool_name=request.POST.get('storage'))
volume_name = request.POST.get('vm_name') + '.img'
if pool:
volume = STORAGE.createVolumes(
pool,
volume_name=volume_name,
volume_capacity=temp.disk)
if volume:
disk_path = volume.path()
volume_name = volume.name()
disk_xml = Const.CreateDisk(
volume_path=disk_path)
else:
return JsonResponse({
"code": 500,
"msg": "添加虚拟机失败，存储池里面以存在以主机名命名的磁盘",
"data": None
})
else:
return JsonResponse({
"code": 500,
"msg": "添加虚拟机失败，存储池已经被删除掉",
"data": None
})
dom_xml = Const.CreateIntanceConfig(
dom_name=request.POST.get('vm_name'),
maxMem=int(SERVER.getServerInfo().get('mem')),
mem=temp.mem,
cpu=temp.cpu,
disk=disk_xml,
iso_path=request.POST.get('system'),
network=None)
dom = SERVER.createInstance(dom_xml)
recordLogs.delay(
user=request.user,
action=op,
status=dom,
vm_name=request.POST.get('vm_name'))
if dom == 0:
VMS.close()
return JsonResponse({
"code": 200,
"data": None,
"msg": "虚拟主机添加成功。"
})
else:
STORAGE.deleteVolume(pool, volume_name)
VMS.close()
return JsonResponse({
"code": 500,
"data": None,
"msg": "虚拟主机添加失败。"
})
except:
return JsonResponse({
"code": 500,
"data": None,
"msg": "虚拟主机添加失败。"
})
else:
return JsonResponse({
"code": 500,
"data": None,
"msg": "虚拟服务器连接失败，请注意连通性。"
})
else:
return JsonResponse({
"code": 500,
"data": None,
"msg": "不支持的操作或者您没有权限添加虚拟机"
})
def addInstance(request,id):
try:
vmServer = VmServer.objects.get(id=id)
except:
return render_to_response('404.html',context_instance=RequestContext(request))
if request.method == "GET":
userList = User.objects.all()
tempList = VmInstance_Template.objects.all()
VMS = LibvirtManage(vmServer.server_ip,vmServer.username, vmServer.passwd,vmServer.vm_type)
SERVER = VMS.genre(model='server')
NETWORK = VMS.genre(model='network')
if SERVER:
vStorage = SERVER.getVmStorageInfo()
vMImages =SERVER.getVmIsoList() #.iso文件
netkList = NETWORK.listNetwork()
VMS.close()
return render_to_response('vmInstance/add_instance.html',
{"user":request.user,"localtion":[{"name":"首页","url":'/'},{"name":"宿主机","url":'/viewServer/'+str(vmServer.id)},
{"name":"创建虚拟机","url":"/addInstance/"+str(vmServer.id)}],
"vmServer":vmServer,"vStorage":vStorage,"vMImages":vMImages,"netkList":netkList,
"tempList":tempList,"userList":userList},
context_instance=RequestContext(request))
elif request.method == "POST":
op = request.POST.get('op')
if op in ['custom','xml','template'] and request.user.has_perm('VManagePlatform.add_vmserverinstance'):
VMS = LibvirtManage(vmServer.server_ip,vmServer.username, vmServer.passwd,vmServer.vm_type)
INSTANCE = VMS.genre(model='instance')
SERVER = VMS.genre(model='server')
STORAGE = VMS.genre(model='storage')
NETWORK = VMS.genre(model='network')
#自定义配置创建虚拟机
if op == 'custom':
netks = [ str(i) for i in request.POST.get('netk').split(',')]
if INSTANCE:
instance = INSTANCE.queryInstance(name=str(request.POST.get('vm_name')))
if instance:
return JsonResponse({"code":500,"msg":"虚拟机已经存在","data":None})
else:
networkXml = ''
radStr = CommTools.radString(4)
for nt in netks:
netkType = NETWORK.getNetworkType(nt)
netXml = Const.CreateNetcard(nkt_br=nt,ntk_name=nt+'-'+radStr,data=netkType)
networkXml = netXml + networkXml
pool = STORAGE.getStoragePool(pool_name=request.POST.get('storage'))
volume_name = request.POST.get('vm_name')+'.img'
if not pool:
return JsonResponse({"code":500,"msg":"创建虚拟机失败，存储池已经被删除掉","data":None})
if request.POST.get('storagetype') == 'new': #创建新磁盘
volume = STORAGE.createVolumes(pool, volume_name=volume_name, volume_capacity=request.POST.get('disk'))
if isinstance(volume, str):
return JsonResponse({"code":500,"msg":volume,"data":None})
disk_path = volume.path()
volume_name = volume.name()
disk_xml = Const.CreateDisk(volume_path=disk_path)
else: #使用现有磁盘
volume = STORAGE.getStorageVolume(pool, request.POST.get('vol'))
if isinstance(volume, str):
return JsonResponse({"code":500,"msg":volume,"data":None})
disk_path = volume.path()
volume_name = volume.name()
disk_xml = Const.CreateDisk(volume_path=disk_path)
iso_path = request.POST.get('system')
if not iso_path:
iso_path = ""
dom_xml = Const.CreateIntanceConfig(dom_name=request.POST.get('vm_name'),maxMem=int(SERVER.getServerInfo().get('mem')),
mem=int(request.POST.get('mem')),cpu=request.POST.get('cpu'),disk=disk_xml,
iso_path=iso_path,network=networkXml)
dom = SERVER.createInstance(dom_xml)
if dom==0:
instance = INSTANCE.queryInstance(name=str(request.POST.get('vm_name')))
VMS.close()
#生成VmServerInstance表记录
try:
VmServerInstance.objects.create(server=vmServer,name=request.POST.get('vm_name'),mem=int(request.POST.get('mem')),status=1,
cpu=request.POST.get('cpu'),token=INSTANCE.getInsUUID(instance))
except Exception,e:
return JsonResponse({"code":500,"data":None,"msg":e})
#生成日志
recordLogs.delay(server_id=vmServer.id,vm_name=request.POST.get('vm_name'),
content="创建虚拟机{name}".format(name=request.POST.get('vm_name')),
user=str(request.user),status=dom)
return JsonResponse({"code":200,"data":None,"msg":"虚拟主机添加成功。"})
else:
if request.POST.get('storagetype') == 'new':
#创建虚拟机失败时，删除创建的磁盘文件
STORAGE.deleteVolume(pool, volume_name)
VMS.close()
recordLogs.delay(server_id=vmServer.id,vm_name=request.POST.get('vm_name'),
content="创建虚拟机{name}".format(name=request.POST.get('vm_name')),
user=str(request.user),status=1,result=dom)
return JsonResponse({"code":500,"data":None,"msg":dom})
elif op == 'xml':
domXml = request.POST.get('xml')
dom = SERVER.defineXML(xml=domXml)
VMS.close()
if isinstance(dom,int):
recordLogs.delay(server_id=vmServer.id,vm_name=request.POST.get('vm_name'),
content="通过XML创建虚拟机{name}".format(name=request.POST.get('vm_name')),
user=str(request.user),status=dom)
return JsonResponse({"code":200,"data":None,"msg":"虚拟主机添加成功。"})
else:
recordLogs.delay(server_id=vmServer.id,vm_name=request.POST.get('vm_name'),
content="通过XML创建虚拟机{name}".format(name=request.POST.get('vm_name')),
user=str(request.user),status=1,result=dom)
return JsonResponse({"code":500,"data":None,"msg":dom})
elif op=='template':
try:
temp = VmInstance_Template.objects.get(id=request.POST.get('temp'))
if INSTANCE:
instance = INSTANCE.queryInstance(name=str(request.POST.get('vm_name')))
if instance:
return JsonResponse({"code":500,"msg":"虚拟机已经存在","data":None})
else:
pool = STORAGE.getStoragePool(pool_name=request.POST.get('storage'))
volume_name = request.POST.get('vm_name')+'.img'
if pool:
volume = STORAGE.createVolumes(pool, volume_name=volume_name, volume_capacity=temp.disk)
if volume:
disk_path = volume.path()
volume_name = volume.name()
disk_xml = Const.CreateDisk(volume_path=disk_path)
else:
return JsonResponse({"code":500,"msg":"创建虚拟机失败，存储池里面以存在以主机名命名的磁盘","data":None})
else:
return JsonResponse({"code":500,"msg":"创建虚拟机失败，存储池已经被删除掉","data":None})
dom_xml = Const.CreateIntanceConfig(dom_name=request.POST.get('vm_name'),maxMem=int(SERVER.getServerInfo().get('mem')),
mem=temp.mem,cpu=temp.cpu,disk=disk_xml,
iso_path=request.POST.get('system'),network=None)
dom = SERVER.createInstance(dom_xml)
if dom==0:
VMS.close()
recordLogs.delay(server_id=vmServer.id,vm_name=request.POST.get('vm_name'),
content="通过模板创建虚拟机{name}".format(name=request.POST.get('vm_name')),
user=str(request.user),status=dom)
return JsonResponse({"code":200,"data":None,"msg":"虚拟主机添加成功。"})
else:
STORAGE.deleteVolume(pool, volume_name)
VMS.close()
recordLogs.delay(server_id=vmServer.id,vm_name=request.POST.get('vm_name'),
content="通过模板创建虚拟机{name}".format(name=request.POST.get('vm_name')),
user=str(request.user),status=1,result=dom)
return JsonResponse({"code":500,"data":None,"msg":dom})
except:
return JsonResponse({"code":500,"data":None,"msg":"虚拟主机添加失败。"})