def startDomain(vm):
KVMManager.logger.info('startDomain ' + vm.name)
# Getting connection
conn = KVMManager.__getConnection()
with open(HdManager.getConfigFilePath(vm), 'r') as openConfig:
xmlConf = openConfig.read()
if KVMManager.isVmRunning(vm.name) and not KVMManager.isVmRunningByUUID(vm.uuid):
# Duplicated name; trying to find an Alias
newVmName = KVMManager.__findAliasForDuplicatedVmName(vm)
xmlConf.replace("<name>"+ vm.name + "<\/name>", "<name>"+ newVmName + "<\/name>", 1)
KVMManager.logger.warn("duplicate VM name, change VM name from " + vm.name
+ " to " + newVmName)
try:
# Try first using libvirt call
KVMManager.logger.info('creating vm using python-libvirt methods')
KVMManager.logger.info(xmlConf)
conn.createXML(xmlConf, 0)
KVMManager.logger.info(KVMManager.sanitize_arg(HdManager.getConfigFilePath(vm)))
KVMManager.logger.info('created vm')
# raise Exception("Skip") #otherwise stop is ridiculously slow
except Exception as e:
KVMManager.logger.error(str(e))
KVMManager.logger.error(traceback.format_exc())
raise Exception(e)
time.sleep(OXA_KVM_CREATE_WAIT_TIME)
if not KVMManager.isVmRunningByUUID(vm.uuid):
# Complete with other types of exceptions
raise Exception("Could not start VM, abort")
return
def hardStopVM(vmid, vm):
try:
# First stop domain
KVMManager.stopDomain(vm)
HdManager.stopHook(vm)
KVMProvisioningDispatcher.logger.info("VM named " + vm.name + " has been stopped.")
# Send async notification
XmlRpcClient.sendAsyncProvisioningActionStatus(vmid, "SUCCESS", "")
except Exception as e:
KVMProvisioningDispatcher.logger.error(str(e))
# Send async notification
XmlRpcClient.sendAsyncProvisioningActionStatus(vmid, "FAILED", str(e))
return
def rebootVM(vmid, vm):
try:
# Just try to reboot
HdManager.rebootHook(vm)
KVMManager.rebootDomain(vm)
KVMProvisioningDispatcher.logger.info("VM named " + vm.name + " has been rebooted.")
# Send async notification
XmlRpcClient.sendAsyncProvisioningActionStatus(vmid, "SUCCESS", "")
except Exception as e:
KVMProvisioningDispatcher.logger.error(str(e))
# Send async notification
XmlRpcClient.sendAsyncProvisioningActionStatus(vmid, "FAILED", str(e))
return
def __createConfigFile(vm, env): template_name = "kvm.template.xml" template = env.get_template(template_name) # Set vars&render output = template.render(vm_name=vm.name, vm_uuid=vm.uuid, vm_memory=vm.xen_configuration.memory_mb, vm_cpu=str(1), vm_imgfile=HdManager.getHdPath(vm), vm=vm) # write file cfile = open(HdManager.getConfigFilePath(vm), 'w') cfile.write(output) cfile.close()
def __createConfigFile(vm,env): template_name = "spirentSTCVMTemplate.pt" template = env.get_template(template_name) #Set vars&render output = template.render( kernelImg=OXA_KVM_SERVER_KERNEL, initrdImg=OXA_KVM_SERVER_INITRD, hdFilePath=HdManager.getHdPath(vm), #swapFilePath=HdManager.getSwapPath(vm), vm=vm) #write file cfile = open(HdManager.getConfigFilePath(vm),'w') cfile.write(output) cfile.close()
def startVM(vmid, vm):
KVMProvisioningDispatcher.logger.info("XXX startVM start")
try:
# Trigger
HdManager.startHook(vm)
KVMManager.startDomain(vm)
KVMProvisioningDispatcher.logger.info("VM named " + vm.name + " has been started.")
# Send async notification
XmlRpcClient.sendAsyncProvisioningActionStatus(vmid, "SUCCESS", "")
except Exception as e:
KVMProvisioningDispatcher.logger.error(str(e))
# Send async notification
XmlRpcClient.sendAsyncProvisioningActionStatus(vmid, "FAILED", str(e))
KVMProvisioningDispatcher.logger.info("XXX startVM end")
return
def deleteVM(vmid, vm):
try:
try:
# if it wasn't stopped, do it
KVMManager.stopDomain(vm)
except Exception as e:
pass
# Trigger Hd Deletion in Remote
HdManager.delete(vm)
# Send async notification
XmlRpcClient.sendAsyncProvisioningActionStatus(vmid, "SUCCESS", "")
except Exception as e:
KVMProvisioningDispatcher.logger.error(str(e))
KVMProvisioningDispatcher.logger.exception("XXX")
# Send async notification
XmlRpcClient.sendAsyncProvisioningActionStatus(vmid, "FAILED", str(e))
return
def __createHVMFileHdConfigFile(vm,env): template_name = "mediacatHVMFileHd.pt" template = env.get_template(template_name) #Set vars&render output = template.render( kernelImg=OXA_KVM_SERVER_KERNEL, initrdImg=OXA_KVM_SERVER_INITRD, vm=vm) #write file cfile = open(HdManager.getConfigFilePath(vm),'w') cfile.write(output) cfile.close()
def createVMfromImage(vmid, vm):
KVMProvisioningDispatcher.logger.info("XXX createVMfromImage start")
pathToMountPoint = ""
KVMProvisioningDispatcher.logger.info("Initiating creation process for VM: " + vm.name
+ " under project: " + vm.project_id
+ " and slice: " + vm.slice_id)
try:
# Clone HD
HdManager.clone(vm)
KVMProvisioningDispatcher.logger.debug("HD cloned successfully...")
# Mount copy
pathToMountPoint = HdManager.mount(vm)
KVMProvisioningDispatcher.logger.debug("Mounting at: " + pathToMountPoint)
KVMProvisioningDispatcher.logger.debug("HD mounted successfully...")
# Configure VM OS
VMConfigurator.configureVmDisk(vm, pathToMountPoint)
# Umount copy
HdManager.umount(vm, pathToMountPoint)
KVMProvisioningDispatcher.logger.debug("HD unmounted successfully...")
# Synthesize config file
VMConfigurator.createVmConfigurationFile(vm)
KVMProvisioningDispatcher.logger.debug("KVM configuration file created successfully...")
KVMProvisioningDispatcher.logger.info("Creation of VM " + vm.name + " has been successful!!")
# Send async notification
XmlRpcClient.sendAsyncProvisioningActionStatus(vmid, "SUCCESS", "")
except Exception as e:
KVMProvisioningDispatcher.logger.error(str(e))
KVMProvisioningDispatcher.logger.error(traceback.format_exc())
# Send async notification
try:
HdManager.umount(vm, pathToMountPoint)
except:
pass
try:
# Delete VM disc and conf file if the error is not due because
# the VM already exists
if not isinstance(e, VMalreadyExists):
KVMProvisioningDispatcher.deleteVM(vmid, vm)
except:
pass
XmlRpcClient.sendAsyncProvisioningActionStatus(vmid, "FAILED", str(e))
KVMProvisioningDispatcher.logger.info("XXX createVMfromImage end")
return
