self._cloud_account_handler = cloud_account_handler
self._ro_plugin_selector = ro_plugin_selector
- self._ncclient = rift.mano.ncclient.NcClient(
- host="127.0.0.1",
- port=2022,
- username="admin",
- password="admin",
- loop=self._loop)
+ # Intialize the set of variables for implementing Scaling RPC using REST.
+ self._headers = {"content-type":"application/json", "accept":"application/json"}
+ #This will break when we have rbac in the rift code and admin user password is changed or admin it self is removed.
+ self._user = 'admin'
+ self._password = 'admin'
+ self._ip = 'localhost'
+ self._rport = 8008
+ self._conf_url = "https://{ip}:{port}/api/config". \
+ format(ip=self._ip,
+ port=self._rport)
+
self._nsrs = {}
self._nsds = {}
self._vnfds = {}
msg : RPC input
action : Scaling Action
"""
- ScalingGroupInstance = NsrYang.YangData_Nsr_NsInstanceConfig_Nsr_ScalingGroup_Instance
- ScalingGroup = NsrYang.YangData_Nsr_NsInstanceConfig_Nsr_ScalingGroup
-
- xpath = ('C,/nsr:ns-instance-config/nsr:nsr[nsr:id="{}"]').format(
- msg.nsr_id_ref)
- instance = ScalingGroupInstance.from_dict({"id": msg.instance_id})
-
- @asyncio.coroutine
- def get_nsr_scaling_group():
- results = yield from self._dts.query_read(xpath, rwdts.XactFlag.MERGE)
-
- for result in results:
- res = yield from result
- nsr_config = res.result
-
- for scaling_group in nsr_config.scaling_group:
- if scaling_group.scaling_group_name_ref == msg.scaling_group_name_ref:
- break
- else:
- scaling_group = nsr_config.scaling_group.add()
- scaling_group.scaling_group_name_ref = msg.scaling_group_name_ref
-
- return (nsr_config, scaling_group)
-
- @asyncio.coroutine
- def update_config(nsr_config):
- xml = self._ncclient.convert_to_xml(RwNsrYang, nsr_config)
- xml = '<config xmlns:xc="urn:ietf:params:xml:ns:netconf:base:1.0">{}</config>'.format(xml)
- yield from self._ncclient.connect()
- yield from self._ncclient.manager.edit_config(target="running", config=xml, default_operation="replace")
-
- @asyncio.coroutine
+ def get_scaling_group_information():
+ scaling_group_url = "{url}/ns-instance-config/nsr/{nsr_id}".format(url=self._conf_url, nsr_id=msg.nsr_id_ref)
+ output = requests.get(scaling_group_url, headers=self._headers, auth=(self._user, self._password), verify=False)
+ if output.text == None or len(output.text) == 0:
+ self.log.error("nsr id %s information not present", self._nsr_id)
+ return None
+ scaling_group_info = json.loads(output.text)
+ return scaling_group_info
+
+ def config_scaling_group_information(scaling_group_info):
+ data_str = json.dumps(scaling_group_info)
+ self.log.debug("scaling group Info %s", data_str)
+
+ scale_out_url = "{url}/ns-instance-config/nsr/{nsr_id}".format(url=self._conf_url, nsr_id=msg.nsr_id_ref)
+ response = requests.put(scale_out_url, data=data_str, verify=False, auth=(self._user, self._password), headers=self._headers)
+ response.raise_for_status()
+
def scale_out():
- nsr_config, scaling_group = yield from get_nsr_scaling_group()
- scaling_group.instance.append(instance)
- yield from update_config(nsr_config)
+ scaling_group_info = get_scaling_group_information()
+ if scaling_group_info is None:
+ return
+
+ scaling_group_present = False
+ if "scaling-group" in scaling_group_info["nsr:nsr"]:
+ scaling_group_array = scaling_group_info["nsr:nsr"]["scaling-group"]
+ for scaling_group in scaling_group_array:
+ if scaling_group["scaling-group-name-ref"] == msg.scaling_group_name_ref:
+ scaling_group_present = True
+ if 'instance' not in scaling_group:
+ scaling_group['instance'] = []
+ for instance in scaling_group['instance']:
+ if instance["id"] == int(msg.instance_id):
+ self.log.error("scaling group with instance id %s exists for scale out", msg.instance_id)
+ return
+ scaling_group["instance"].append({"id": int(msg.instance_id)})
+
+ if not scaling_group_present:
+ scaling_group_info["nsr:nsr"]["scaling-group"] = [{"scaling-group-name-ref": msg.scaling_group_name_ref, "instance": [{"id": msg.instance_id}]}]
+
+ config_scaling_group_information(scaling_group_info)
+ return
- @asyncio.coroutine
def scale_in():
- nsr_config, scaling_group = yield from get_nsr_scaling_group()
- scaling_group.instance.remove(instance)
- yield from update_config(nsr_config)
+ scaling_group_info = get_scaling_group_information()
+ if scaling_group_info is None:
+ return
+
+ scaling_group_array = scaling_group_info["nsr:nsr"]["scaling-group"]
+ scaling_group_present = False
+ instance_id_present = False
+ for scaling_group in scaling_group_array:
+ if scaling_group["scaling-group-name-ref"] == msg.scaling_group_name_ref:
+ scaling_group_present = True
+ if 'instance' in scaling_group:
+ instance_array = scaling_group["instance"];
+ for index in range(len(instance_array)):
+ if instance_array[index]["id"] == int(msg.instance_id):
+ instance_array.pop(index)
+ instance_id_present = True
+ break
+
+ if not scaling_group_present:
+ self.log.error("Scaling group %s doesnot exists for scale in", msg.scaling_group_name_ref)
+ return
+
+ if not instance_id_present:
+ self.log.error("Instance id %s doesnot exists for scale in", msg.instance_id)
+ return
+
+ config_scaling_group_information(scaling_group_info)
+ return
if action == ScalingRpcHandler.ACTION.SCALE_OUT:
- self._loop.create_task(scale_out())
+ self._loop.run_in_executor(None, scale_out)
else:
- self._loop.create_task(scale_in())
-
- # Opdata based calls, disabled for now!
- # if action == ScalingRpcHandler.ACTION.SCALE_OUT:
- # self.scale_nsr_out(
- # msg.nsr_id_ref,
- # msg.scaling_group_name_ref,
- # msg.instance_id,
- # xact)
- # else:
- # self.scale_nsr_in(
- # msg.nsr_id_ref,
- # msg.scaling_group_name_ref,
- # msg.instance_id)
+ self._loop.run_in_executor(None, scale_in)
def nsr_update_cfg(self, nsr_id, msg):
nsr = self._nsrs[nsr_id]
assert action == rwdts.QueryAction.RPC
try:
- if self.callback:
- self.callback(xact_info.xact, msg, self.ACTION.SCALE_IN)
-
rpc_op = NsrYang.YangOutput_Nsr_ExecScaleIn.from_dict({
"instance_id": msg.instance_id})
self.__class__.SCALE_IN_OUTPUT_XPATH,
rpc_op)
+ if self.callback:
+ self.callback(xact_info.xact, msg, self.ACTION.SCALE_IN)
except Exception as e:
self.log.exception(e)
xact_info.respond_xpath(
msg.instance_id = last_instance_id + 1
self.last_instance_id[scale_group] += 1
- if self.callback:
- self.callback(xact_info.xact, msg, self.ACTION.SCALE_OUT)
-
rpc_op = NsrYang.YangOutput_Nsr_ExecScaleOut.from_dict({
"instance_id": msg.instance_id})
self.__class__.SCALE_OUT_OUTPUT_XPATH,
rpc_op)
+ if self.callback:
+ self.callback(xact_info.xact, msg, self.ACTION.SCALE_OUT)
except Exception as e:
self.log.exception(e)
xact_info.respond_xpath(
projects / osm / SO.git / commitdiff