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# -------------------------------------------------------------------------
# Copyright (c) 2018 Huawei Intellectual Property
#
# 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 requests
from requests.auth import HTTPBasicAuth
class RouteOpt:
"""
This values will need to deleted..
only added for the debug purpose
"""
# DNS server and standard port of AAI..
# TODO: read the port from the configuration and add to DNS
aai_host = "https://aai.api.simpledemo.onap.org:8443"
aai_headers = {
"X-TransactionId": "9999",
"X-FromAppId": "OOF",
"Accept": "application/json",
"Content-Type": "application/json",
"Real-Time": "true"
}
def isCrossONAPLink(self, logical_link):
"""
This method checks if cross link is cross onap
:param logical_link:
:return:
"""
for relationship in logical_link["relationship-list"]["relationship"]:
if relationship["related-to"] == "ext-aai-network":
return True
return False
def getRoute(self, request):
"""
This method checks
:param logical_link:
:return:
"""
src_access_node_id = request["srcPort"]["src-access-node-id"]
dst_access_node_id = request["dstPort"]["dst-access-node-id"]
ingress_p_interface = None
egress_p_interface = None
# for the case of request_json for same domain, return the same node with destination update
if src_access_node_id == dst_access_node_id:
data = '{'\
'"vpns":['\
'{'\
'"access-topology-id": "' + request["srcPort"]["src-access-topology-id"] + '",'\
'"access-client-id": "' + request["srcPort"]["src-access-client-id"] + '",'\
'"access-provider-id": "' + request["srcPort"]["src-access-provider-id"]+ '",'\
'"access-node-id": "' + request["srcPort"]["src-access-node-id"]+ '",'\
'"src-access-ltp-id": "' + request["srcPort"]["src-access-ltp-id"]+ '",'\
'"dst-access-ltp-id": "' + request["dstPort"]["dst-access-ltp-id"] +'"'\
'}'\
']'\
'}'
return data
else:
logical_links = self.get_logical_links()
# take the logical link where both the p-interface in same onap
if logical_links != None:
for logical_link in logical_links.get("logical-link"):
if not self.isCrossONAPLink(logical_link):
# link is in local ONAP
for relationship in logical_link["relationship-list"]["relationship"]:
if relationship["related-to"] == "p-interface":
if src_access_node_id in relationship["related-link"]:
i_interface = relationship["related-link"].split("/")[-1]
ingress_p_interface = i_interface.split("-")[-1]
if dst_access_node_id in relationship["related-link"]:
e_interface = relationship["related-link"].split("/")[-1]
egress_p_interface = e_interface.split("-")[-1]
data = '{'\
'"vpns":['\
'{'\
'"access-topology-id": "' + request["srcPort"]["src-access-topology-id"] + '",'\
'"access-client-id": "' + request["srcPort"]["src-access-client-id"] + '",'\
'"access-provider-id": "' + request["srcPort"]["src-access-provider-id"]+ '",'\
'"access-node-id": "' + request["srcPort"]["src-access-node-id"]+ '",'\
'"src-access-ltp-id": "' + request["srcPort"]["src-access-ltp-id"]+ '",'\
'"dst-access-ltp-id": "' + ingress_p_interface +'"'\
'},'\
'{' \
'"access-topology-id": "' + request["dstPort"]["dst-access-topology-id"] + '",' \
'"access-topology-id": "' + request["dstPort"]["dst-access-topology-id"]+ '",' \
'"access-provider-id": "' + request["dstPort"]["dst-access-provider-id"]+ '",' \
'"access-node-id": "' + request["dstPort"]["dst-access-node-id"]+ '",' \
'"src-access-ltp-id": "' + egress_p_interface + '",' \
'"dst-access-ltp-id": "' + request["dstPort"]["dst-access-ltp-id"] + '"' \
'}'\
']'\
'}'
return data
def get_pinterface(self, url):
"""
This method returns details for p interface
:return: details of p interface
"""
aai_req_url = self.aai_host + url
response = requests.get(aai_req_url,
headers=self.aai_headers,
auth=HTTPBasicAuth("AAI", "AAI"),
verify=False)
if response.status_code == 200:
return response.json()
def get_logical_links(self):
"""
This method returns list of all cross ONAP links
from /aai/v14/network/logical-links?operation-status="Up"
:return: logical-links[]
"""
logical_link_url = "/aai/v13/network/logical-links?operational-status=up"
aai_req_url = self.aai_host + logical_link_url
response = requests.get(aai_req_url,
headers=self.aai_headers,
auth=HTTPBasicAuth("AAI", "AAI"),
verify=False)
logical_links = None
if response.status_code == 200:
return response.json()
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