def req_create(self, request):
try:
document = minidom.parseString(request["data"])
rootNode = document.documentElement
if rootNode.nodeName != "vm":
raise Exception("invalid root node")
except:
Logger.warn("Invalid xml input !!")
doc = Document()
rootNode = doc.createElement('error')
rootNode.setAttribute("id", "name")
doc.appendChild(rootNode)
return self.req_answer(doc)
ram = rootNode.getAttribute("ram")
vcpu = rootNode.getAttribute("vcpu")
master = rootNode.getAttribute("master")
if not self.role_instance.pool.masters.has_key(master):
return False
obj_master = self.role_instance.pool.masters[master]
new_id = self.role_instance.pool.get_last_instance(master)
id_tmp = b36.b362int(new_id) + 1
name = b36.int2b36(id_tmp, 4)
instance = Instance(obj_master, name, self.role_instance.pool,
self.role_instance.virt_co)
ret = self.role_instance.create_vm(instance, ram, vcpu)
doc = Document()
rootNode = doc.createElement("vm")
rootNode.setAttribute("name", instance.get_name())
rootNode.setAttribute("status", ret)
doc.appendChild(rootNode)
return self.req_answer(doc)
def req_create(self,request):
try:
document = minidom.parseString(request["data"])
rootNode = document.documentElement
if rootNode.nodeName != "vm":
raise Exception("invalid root node")
except:
Logger.warn("Invalid xml input !!")
doc = Document()
rootNode = doc.createElement('error')
rootNode.setAttribute("id", "name")
doc.appendChild(rootNode)
return self.req_answer(doc)
ram = rootNode.getAttribute("ram")
vcpu = rootNode.getAttribute("vcpu")
master = rootNode.getAttribute("master")
if not self.role_instance.pool.masters.has_key(master):
return False
obj_master = self.role_instance.pool.masters[master]
new_id = self.role_instance.pool.get_last_instance(master)
id_tmp = b36.b362int(new_id) + 1
name = b36.int2b36(id_tmp, 4)
instance = Instance(obj_master, name, self.role_instance.pool, self.role_instance.virt_co)
ret = self.role_instance.create_vm(instance, ram, vcpu)
doc = Document()
rootNode = doc.createElement("vm")
rootNode.setAttribute("name",instance.get_name())
rootNode.setAttribute("status",ret)
doc.appendChild(rootNode)
return self.req_answer(doc)
def add_instance(self, instance_id):
if not self._check_instance_exist(instance_id):
return Response(code="failed",
message="instance %s doesn't exist" % instance_id,
data=None)
elif not self._check_instance_boot_from_volume(instance_id):
return Response(code="failed",
message="instance %s doesn't booted from volume" %
instance_id,
data=None)
elif not self._check_instance_power_on(instance_id):
return Response(code="failed",
message="instance %s is not power on" %
instance_id,
data=None)
else:
try:
# Live migration VM to cluster node
final_host = self._check_instance_host(instance_id)
if final_host == None:
message = "Cluster-- instance host ({host_name}) not in the cluster, failed to add protection to instance ({vm_id})".format(
host_name=final_host, vm_id=instance_id)
logging.error(message)
result = Response(code="failed",
message=message,
data=None)
return result
# check the parameters of the Instance object initialization
instance_name = self.nova_client.get_instance_name(instance_id)
instance_status = self.nova_client.get_instance_state(
instance_id)
provider_network = self.nova_client.get_instance_network(
instance_id)
parameter_list = [
instance_name, final_host, instance_status,
provider_network
]
if None in parameter_list:
none_index = parameter_list.index(None)
parameter_name_list = [
'instance name', 'located host', 'instance status',
'provider network ip of instance'
]
message = "Cluster-- Failed to get the information ({parameter_name)}) for adding instance ({instance_id}) from Openstack, please check the settings.".format(
parameter_name=parameter_name_list[none_index],
instance_id=instance_id)
result = Response(code="failed",
message=message,
data=None)
return result
instance = Instance(id=instance_id,
name=instance_name,
host=final_host,
status=instance_status,
network=provider_network)
self.instance_list.append(instance)
# send information of new instance to node detection thread
update_action = InstanceQueueConfig.ADD_INSTANCE
instance_name = instance.get_name()
instance_network_provider = instance.get_network_provider()
instance_id = instance.get_id()
host = self.get_node_by_name(final_host)
host.send_update_instance(update_action, instance_name,
instance_network_provider,
instance_id)
message = "Cluster--Cluster add instance success ! The instance id is %s." % (
instance_id)
logging.info(message)
# result = {"code":"0","cluster id":self.name,"node":final_host,"instance id":instance_id,"message":message}
result = Response(code="succeed",
message=message,
data={
"cluster_name": self.name,
"node": final_host,
"instance id": instance_id
})
return result
except Exception as e:
print str(e)
message = "Cluster--Cluster add instance fail ,please check again! The instance id is %s." % (
instance_id)
logging.error(message)
# result = {"code":"1","cluster id":self.name,"instance id":instance_id,"message":message}
result = Response(code="failed",
message=message,
data={
"cluster_name": self.name,
"instance id": instance_id
})
return result
