Test - Tools - IPM Mock Controller:

- First basic and functional version

src/tests/tools/mock_ipm_sdn_ctrl/MockIPMSdnCtrl.py

@@ -15,6 +15,7 @@
 # Mock IPM controller (implements minimal support)
 
 import functools, json, logging, sys, time, uuid
+from typing import Any, Dict, Optional, Tuple
 from flask import Flask, jsonify, make_response, request
 from flask_restful import Api, Resource
 
@@ -28,21 +29,57 @@ LOG_LEVEL    = logging.DEBUG
 CONSTELLATION = {
     'id': 'ofc-constellation',
     'hubModule': {'state': {
-        'module': {'moduleName': 'OFC HUB 1', 'trafficMode': 'L1Mode'},
+        'module': {'moduleName': 'OFC HUB 1', 'trafficMode': 'L1Mode', 'capacity': 100},
         'endpoints': [{'moduleIf': {'clientIfAid': 'XR-T1'}}, {'moduleIf': {'clientIfAid': 'XR-T4'}}]
     }},
     'leafModules': [
         {'state': {
-            'module': {'moduleName': 'OFC LEAF 1', 'trafficMode': 'L1Mode'},
+            'module': {'moduleName': 'OFC LEAF 1', 'trafficMode': 'L1Mode', 'capacity': 100},
             'endpoints': [{'moduleIf': {'clientIfAid': 'XR-T1'}}]
         }},
         {'state': {
-            'module': {'moduleName': 'OFC LEAF 2', 'trafficMode': 'L1Mode'},
+            'module': {'moduleName': 'OFC LEAF 2', 'trafficMode': 'L1Mode', 'capacity': 100},
             'endpoints': [{'moduleIf': {'clientIfAid': 'XR-T1'}}]
         }}
     ]
 }
 
+CONNECTIONS : Dict[str, Any] = dict()
+STATE_NAME_TO_CONNECTION : Dict[str, str] = dict()
+
+def select_module_state(module_name : str) -> Optional[Dict]:
+    hub_module_state = CONSTELLATION.get('hubModule', {}).get('state', {})
+    if module_name == hub_module_state.get('module', {}).get('moduleName'): return hub_module_state
+    for leaf_module in CONSTELLATION.get('leafModules', []):
+        leaf_module_state = leaf_module.get('state', {})
+        if module_name == leaf_module_state.get('module', {}).get('moduleName'): return leaf_module_state
+    return None
+
+def select_endpoint(module_state : Dict, module_if : str) -> Optional[Dict]:
+    for endpoint in module_state.get('endpoints', []):
+        if module_if == endpoint.get('moduleIf', {}).get('clientIfAid'): return endpoint
+    return None
+
+def select_module_endpoint(selector : Dict) -> Optional[Tuple[Dict, Dict]]:
+    selected_module_name = selector['moduleIfSelectorByModuleName']['moduleName']
+    selected_module_if = selector['moduleIfSelectorByModuleName']['moduleClientIfAid']
+    module_state = select_module_state(selected_module_name)
+    if module_state is None: return None
+    return module_state, select_endpoint(module_state, selected_module_if)
+
+def compose_endpoint(endpoint_selector : Dict) -> Dict:
+   module, endpoint = select_module_endpoint(endpoint_selector['selector'])
+   return {
+       'href': '/' + str(uuid.uuid4()),
+       'state': {
+            'moduleIf': {
+                'moduleName': module['module']['moduleName'],
+                'clientIfAid': endpoint['moduleIf']['clientIfAid'],
+            },
+            'capacity': module['module']['capacity'],
+        }
+    }
+
 logging.basicConfig(level=LOG_LEVEL, format="[%(asctime)s] %(levelname)s:%(name)s:%(message)s")
 LOGGER = logging.getLogger(__name__)
 
@@ -53,59 +90,85 @@ def log_request(logger : logging.Logger, response):
     logger.info('%s %s %s %s %s', timestamp, request.remote_addr, request.method, request.full_path, response.status)
     return response
 
-#class Health(Resource):
-#    def get(self):
-#        return make_response(jsonify({}), 200)
-
 class OpenIdConnect(Resource):
     ACCESS_TOKENS = {}
 
     def post(self):
         if request.content_type != 'application/x-www-form-urlencoded': return make_response('bad content type', 400)
         if request.content_length == 0: return make_response('bad content length', 400)
-        form_request = request.form
-        if form_request.get('client_id') != 'xr-web-client': return make_response('bad client_id', 403)
-        if form_request.get('client_secret') != 'xr-web-client': return make_response('bad client_secret', 403)
-        if form_request.get('grant_type') != 'password': return make_response('bad grant_type', 403)
-        if form_request.get('username') != IPM_USERNAME: return make_response('bad username', 403)
-        if form_request.get('password') != IPM_PASSWORD: return make_response('bad password', 403)
+        request_form = request.form
+        if request_form.get('client_id') != 'xr-web-client': return make_response('bad client_id', 403)
+        if request_form.get('client_secret') != 'xr-web-client': return make_response('bad client_secret', 403)
+        if request_form.get('grant_type') != 'password': return make_response('bad grant_type', 403)
+        if request_form.get('username') != IPM_USERNAME: return make_response('bad username', 403)
+        if request_form.get('password') != IPM_PASSWORD: return make_response('bad password', 403)
         access_token = OpenIdConnect.ACCESS_TOKENS.setdefault(IPM_USERNAME, uuid.uuid4())
         reply = {'access_token': access_token, 'expires_in': 86400}
         return make_response(jsonify(reply), 200)
 
 class XrNetworks(Resource):
     def get(self):
-        print(str(request.args))
-        content = request.args.get('content')
-        print('content', content)
         query = json.loads(request.args.get('q'))
         hub_module_name = query.get('hubModule.state.module.moduleName')
         if hub_module_name != 'OFC HUB 1': return make_response('unexpected hub module', 404)
-        print('query', query)
         return make_response(jsonify([CONSTELLATION]), 200)
 
-#class Services(Resource):
-#    def get(self):
-#        services = [service for service in NETWORK_SERVICES.values()]
-#        return make_response(jsonify({'ietf-eth-tran-service:etht-svc': {'etht-svc-instances': services}}), 200)
-#
-#    def post(self):
-#        json_request = request.get_json()
-#        if not json_request: abort(400)
-#        if not isinstance(json_request, dict): abort(400)
-#        if 'etht-svc-instances' not in json_request: abort(400)
-#        json_services = json_request['etht-svc-instances']
-#        if not isinstance(json_services, list): abort(400)
-#        if len(json_services) != 1: abort(400)
-#        svc_data = json_services[0]
-#        etht_svc_name = svc_data['etht-svc-name']
-#        NETWORK_SERVICES[etht_svc_name] = svc_data
-#        return make_response(jsonify({}), 201)
-
-#class DelServices(Resource):
-#    def delete(self, service_uuid : str):
-#        NETWORK_SERVICES.pop(service_uuid, None)
-#        return make_response(jsonify({}), 204)
+class XrNetworkConnections(Resource):
+    def get(self):
+        query = json.loads(request.args.get('q'))
+        state_name = query.get('state.name')
+        if state_name is None:
+            connections = [connection for connection in CONNECTIONS.values()]
+        else:
+            connection_uuid = STATE_NAME_TO_CONNECTION.get(state_name)
+            if connection_uuid is None: return make_response('state name not found', 404)
+            connection = CONNECTIONS.get(connection_uuid)
+            if connection is None: return make_response('connection for state name not found', 404)
+            connections = [connection]
+        return make_response(jsonify(connections), 200)
+
+    def post(self):
+        if request.content_type != 'application/json': return make_response('bad content type', 400)
+        if request.content_length == 0: return make_response('bad content length', 400)
+        request_json = request.json
+        if not isinstance(request_json, list): return make_response('content is not list', 400)
+        reply = []
+        for connection in request_json:
+            connection_uuid = str(uuid.uuid4())
+            state_name = connection['name']
+
+            if state_name is not None: STATE_NAME_TO_CONNECTION[state_name] = connection_uuid
+            CONNECTIONS[connection_uuid] = {
+                'href': '/network-connections/{:s}'.format(str(connection_uuid)),
+                'config': {
+                    'implicitTransportCapacity': connection['implicitTransportCapacity']
+                    # 'mc': ??
+                },
+                'state': {
+                    'name': state_name,
+                    'serviceMode': connection['serviceMode']
+                    # 'outerVID' : ??
+                },
+                'endpoints': [
+                    compose_endpoint(endpoint)
+                    for endpoint in connection['endpoints']
+                ]
+            }
+            reply.append(CONNECTIONS[connection_uuid])
+        return make_response(jsonify(reply), 202)
+
+class XrNetworkConnection(Resource):
+    def get(self, connection_uuid : str):
+        connection = CONNECTIONS.get(connection_uuid)
+        if connection is None: return make_response('unexpected connection id', 404)
+        return make_response(jsonify(connection), 200)
+
+    def delete(self, connection_uuid : str):
+        connection = CONNECTIONS.pop(connection_uuid, None)
+        if connection is None: return make_response('unexpected connection id', 404)
+        state_name = connection['state']['name']
+        STATE_NAME_TO_CONNECTION.pop(state_name, None)
+        return make_response(jsonify({}), 202)
 
 def main():
     LOGGER.info('Starting...')
@@ -114,12 +177,10 @@ def main():
     app.after_request(functools.partial(log_request, LOGGER))
 
     api = Api(app)
-    #api.add_resource(Health,      '/ietf-network:networks')
-    api.add_resource(OpenIdConnect, '/realms/xr-cm/protocol/openid-connect/token')
-    api.add_resource(XrNetworks,    '/api/v1/xr-networks')
-    #api.add_resource(Network,     '/ietf-network:networks/network=<string:network_uuid>')
-    #api.add_resource(Services,    '/ietf-eth-tran-service:etht-svc')
-    #api.add_resource(DelServices, '/ietf-eth-tran-service:etht-svc/etht-svc-instances=<string:service_uuid>')
+    api.add_resource(OpenIdConnect,        '/realms/xr-cm/protocol/openid-connect/token')
+    api.add_resource(XrNetworks,           '/api/v1/xr-networks')
+    api.add_resource(XrNetworkConnections, '/api/v1/network-connections')
+    api.add_resource(XrNetworkConnection,  '/api/v1/network-connections/<string:connection_uuid>')
 
     LOGGER.info('Listening on {:s}...'.format(str(STR_ENDPOINT)))
     app.run(debug=True, host=BIND_ADDRESS, port=BIND_PORT, ssl_context='adhoc')