osdf rearchitecture into apps and libs

Change-Id: I2db2f8e252bd5e60807b2ffabf5a5b193a789f7a
Signed-off-by: vrvarma <vv8305@att.com>
Issue-ID: OPTFRA-637

1 files changed, 153 insertions, 0 deletions

diff --git a/apps/route/optimizers/simple_route_opt.py b/apps/route/optimizers/simple_route_opt.py
new file mode 100644
index 0000000..b00180d
--- /dev/null
+++ b/apps/route/optimizers/simple_route_opt.py
@@ -0,0 +1,153 @@
+# -------------------------------------------------------------------------
+#   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
+
+from osdf.utils.mdc_utils import mdc_from_json
+
+
+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:
+        """
+        mdc_from_json(request)
+
+        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()
\ No newline at end of file