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# Copyright 2016-2017 ZTE Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
import logging
import traceback
import uuid
from lcm.ns.const import OWNER_TYPE
from lcm.pub.config.config import REPORT_TO_AAI
from lcm.pub.database.models import VLInstModel, NSInstModel, VNFFGInstModel
from lcm.pub.exceptions import NSLCMException
from lcm.pub.msapi import extsys, resmgr
from lcm.pub.msapi.aai import create_network_aai
from lcm.pub.nfvi.vim import const
from lcm.pub.nfvi.vim import vimadaptor
from lcm.pub.utils.values import ignore_case_get
logger = logging.getLogger(__name__)
class CreateVls(object):
def __init__(self, data):
self.owner_id = ignore_case_get(data, "nsInstanceId")
self.index = int(float(ignore_case_get(data, "vlIndex")))
self.context = ignore_case_get(data, "context")
self.additionalParam = ignore_case_get(data, "additionalParamForNs")
self.vl_inst_id = str(uuid.uuid4())
self.owner_type = OWNER_TYPE.NS
self.vld_id = ""
self.vl_properties = ""
self.vl_profile = ""
self.vl_inst_name = ""
self.related_network_id = ""
self.related_subnetwork_id = ""
self.vim_id = ""
self.vim_name = ""
self.tenant = ""
self.description = ""
self.route_external = ""
self.ns_name = ""
def do(self):
try:
self.get_data()
self.create_vl_to_vim()
self.create_vl_to_resmgr()
self.save_vl_to_db()
if REPORT_TO_AAI:
self.create_network_and_subnet_in_aai()
return {"result": 0, "detail": "instantiation vl success", "vlId": self.vl_inst_id}
except NSLCMException as e:
return self.exception_handle(e)
except Exception as e:
logger.error(traceback.format_exc())
return self.exception_handle(e)
def exception_handle(self, e):
detail = "vl instantiation failed, detail message: %s" % e.message
logger.error(detail)
return {"result": 1, "detail": detail, "vlId": self.vl_inst_id}
def get_data(self):
if isinstance(self.context, (unicode, str)):
self.context = json.JSONDecoder().decode(self.context)
vl_info = self.get_vl_info(ignore_case_get(self.context, "vls"))
self.vld_id = ignore_case_get(vl_info, "vl_id")
self.description = ignore_case_get(vl_info, "description")
self.vl_properties = ignore_case_get(vl_info, "properties")
self.vl_profile = ignore_case_get(self.vl_properties, "vl_profile")
self.vl_inst_name = ignore_case_get(self.vl_profile, "networkName")
self.route_external = ignore_case_get(vl_info, "route_external")
ns_info = NSInstModel.objects.filter(id=self.owner_id)
self.ns_name = ns_info[0].name if ns_info else ""
def get_vl_info(self, vl_all_info):
return vl_all_info[self.index - 1]
def create_vl_to_vim(self):
self.vim_id = self.vl_properties["location_info"]["vimid"]
if not self.vim_id:
self.vim_id = ignore_case_get(self.additionalParam, "location")
self.tenant = ignore_case_get(self.vl_properties["location_info"], "tenant")
network_data = {
"tenant": self.tenant,
"network_name": self.vl_profile.get("networkName", ""),
"shared": const.SHARED_NET,
"network_type": self.vl_profile.get("networkType", ""),
"segmentation_id": self.vl_profile.get("segmentationId", ""),
"physical_network": self.vl_profile.get("physicalNetwork", ""),
"mtu": self.vl_profile.get("mtu", const.DEFAULT_MTU),
"vlan_transparent": self.vl_profile.get("vlanTransparent", False),
"subnet_list": [{
"subnet_name": self.vl_profile.get("initiationParameters").get("name", ""),
"cidr": self.vl_profile.get("cidr", "192.168.0.0/24"),
"ip_version": self.vl_profile.get("ip_version", const.IPV4),
"enable_dhcp": self.vl_profile.get("dhcpEnabled", False),
"gateway_ip": self.vl_profile.get("gatewayIp", ""),
"dns_nameservers": self.vl_profile.get("dns_nameservers", ""),
"host_routes": self.vl_profile.get("host_routes", "")}]}
startip = self.vl_profile.get("startIp", "")
endip = self.vl_profile.get("endIp", "")
if startip and endip:
network_data["subnet_list"][0]["allocation_pools"] = [
{"start": startip, "end": endip}]
vl_resp = self.create_network_to_vim(network_data)
self.related_network_id = vl_resp["id"]
self.related_subnetwork_id = vl_resp["subnet_list"][0]["id"] if vl_resp["subnet_list"] else ""
def create_network_to_vim(self, network_data):
vim_resp_body = extsys.get_vim_by_id(self.vim_id)
self.vim_name = vim_resp_body["name"]
data = {
"vimid": self.vim_id,
"vimtype": vim_resp_body["type"],
"url": vim_resp_body["url"],
"user": vim_resp_body["userName"],
"passwd": vim_resp_body["password"],
"tenant": vim_resp_body["tenant"]}
vim_api = vimadaptor.VimAdaptor(data)
if not network_data["tenant"]:
network_data["tenant"] = vim_resp_body["tenant"]
vl_ret = vim_api.create_network(network_data)
if vl_ret[0] != 0:
logger.error("Send post vl request to vim failed, detail is %s" % vl_ret[1])
raise NSLCMException("Send post vl request to vim failed.")
return vl_ret[1]
def create_vl_to_resmgr(self):
req_param = {
"vlInstanceId": self.vl_inst_id,
"name": self.vl_profile.get("networkName", ""),
"backendId": str(self.related_network_id),
"isPublic": "True",
"dcName": "",
"vimId": str(self.vim_id),
"vimName": self.vim_name,
"physicialNet": self.vl_profile.get("physicalNetwork", ""),
"nsId": self.owner_id,
"nsName": self.ns_name,
"description": self.description,
"networkType": self.vl_profile.get("networkType", ""),
"segmentation": str(self.vl_profile.get("segmentationId", "")),
"mtu": str(self.vl_profile.get("mtu", "")),
"vlanTransparent": str(self.vl_profile.get("vlanTransparent", "")),
"routerExternal": self.route_external,
"resourceProviderType": "",
"resourceProviderId": "",
"subnet_list": [{
"subnet_name": self.vl_profile.get("initiationParameters").get("name", ""),
"cidr": self.vl_profile.get("cidr", "192.168.0.0/24"),
"ip_version": self.vl_profile.get("ip_version", const.IPV4),
"enable_dhcp": self.vl_profile.get("dhcpEnabled", False),
"gateway_ip": self.vl_profile.get("gatewayIp", ""),
"dns_nameservers": self.vl_profile.get("dns_nameservers", ""),
"host_routes": self.vl_profile.get("host_routes", "")
}]
}
resmgr.create_vl(req_param)
def create_vl_inst_id_in_vnffg(self):
if "vnffgs" in self.context:
for vnffg_info in self.context["vnffgs"]:
vl_id_list = vnffg_info.get("properties", {}).get("dependent_virtual_link", "")
if vl_id_list:
vl_inst_id_list = []
for vl_id in vl_id_list:
vl_inst_info = VLInstModel.objects.filter(vldid=vl_id)
if vl_inst_info:
vl_inst_id_list.append(vl_inst_info[0].vlinstanceid)
else:
vl_inst_id_list.append("")
vl_inst_id_str = ""
for vl_inst_id in vl_inst_id_list:
vl_inst_id_str += vl_inst_id + ","
vl_inst_id_str = vl_inst_id_str[:-1]
VNFFGInstModel.objects.filter(vnffgdid=vnffg_info["vnffg_id"], nsinstid=self.owner_id).update(
vllist=vl_inst_id_str)
def save_vl_to_db(self):
VLInstModel(vlinstanceid=self.vl_inst_id, vldid=self.vld_id, vlinstancename=self.vl_inst_name,
ownertype=self.owner_type, ownerid=self.owner_id, relatednetworkid=self.related_network_id,
relatedsubnetworkid=self.related_subnetwork_id, vimid=self.vim_id, tenant=self.tenant).save()
# do_biz_with_share_lock("create-vllist-in-vnffg-%s" % self.owner_id, self.create_vl_inst_id_in_vnffg)
self.create_vl_inst_id_in_vnffg()
def create_network_and_subnet_in_aai(self):
logger.debug("CreateVls::create_network_in_aai::report network[%s] to aai." % self.vl_inst_id)
try:
ns_insts = NSInstModel.objects.filter(id=self.owner_id)
self.global_customer_id = ns_insts[0].global_customer_id
self.service_type = ns_insts[0].service_type
data = {
"network-id": self.vl_inst_id,
"network-name": self.vl_inst_name,
"is-bound-to-vpn": False,
"is-provider-network": True,
"is-shared-network": True,
"is-external-network": True,
"subnets": {
"subnet": [
{
"subnet-id": self.related_subnetwork_id,
"dhcp-enabled": False
}
]
},
"relationship-list": {
"relationship": [
{
"related-to": "service-instance",
"relationship-data": [
{
"relationship-key": "customer.global-customer-id",
"relationship-value": self.global_customer_id
},
{
"relationship-key": "service-subscription.service-type",
"relationship-value": self.service_type
},
{
"relationship-key": "service-instance.service-instance-id",
"relationship-value": self.owner_id
}
]
}
]
}
}
resp_data, resp_status = create_network_aai(self.vl_inst_id, data)
logger.debug("Success to create network[%s] to aai: [%s].", self.vl_inst_id, resp_status)
except NSLCMException as e:
logger.debug("Fail to create network[%s] to aai, detail message: %s" % (self.vl_inst_id, e.message))
except:
logger.error(traceback.format_exc())
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