diff --git a/deploy/crdb.sh b/deploy/crdb.sh
index b13c32b6509b7add2c314098f5c10dc21280da5e..e180b2722aa3072bafdd1c7df9ed7b738adf5901 100755
--- a/deploy/crdb.sh
+++ b/deploy/crdb.sh
@@ -158,9 +158,8 @@ function crdb_drop_databases_single() {
     echo "Drop TFS databases, if exist"
 
     if [[ -z "${GITLAB_CI}" ]]; then
-        kubectl --namespace ${CRDB_NAMESPACE} get service cockroachdb-public -o yaml
-        CRDB_HOST="cockroachdb-0"
-        #CRDB_HOST=$(kubectl --namespace ${CRDB_NAMESPACE} get service cockroachdb-public -o 'jsonpath={.spec.clusterIP}')
+        #kubectl --namespace ${CRDB_NAMESPACE} get service cockroachdb-public -o yaml
+        CRDB_HOST=$(kubectl --namespace ${CRDB_NAMESPACE} get service cockroachdb-public -o 'jsonpath={.spec.clusterIP}')
         CRDB_PORT=$(kubectl --namespace ${CRDB_NAMESPACE} get service cockroachdb-public -o 'jsonpath={.spec.ports[?(@.name=="sql")].port}')
     else
         CRDB_HOST="127.0.0.1"
diff --git a/src/common/tests/MockServicerImpl_Context.py b/src/common/tests/MockServicerImpl_Context.py
index 03098dae138793958dc2fa2c4ddaebd7ff03c2e5..3d6e038af266cda46a68621dd4c9b135d3916a4d 100644
--- a/src/common/tests/MockServicerImpl_Context.py
+++ b/src/common/tests/MockServicerImpl_Context.py
@@ -21,9 +21,11 @@ from common.proto.context_pb2 import (
     Device, DeviceEvent, DeviceFilter, DeviceId, DeviceIdList, DeviceList,
     Empty, EventTypeEnum,
     Link, LinkEvent, LinkId, LinkIdList, LinkList,
+    OpticalLink, OpticalLinkList,
     Service, ServiceEvent, ServiceFilter, ServiceId, ServiceIdList, ServiceList,
     Slice, SliceEvent, SliceFilter, SliceId, SliceIdList, SliceList,
-    Topology, TopologyDetails, TopologyEvent, TopologyId, TopologyIdList, TopologyList)
+    Topology, TopologyDetails, TopologyEvent, TopologyId, TopologyIdList, TopologyList
+)
 from common.proto.context_pb2_grpc import ContextServiceServicer
 from common.proto.policy_pb2 import PolicyRule, PolicyRuleId, PolicyRuleIdList, PolicyRuleList
 from common.tools.grpc.Tools import grpc_message_to_json, grpc_message_to_json_string
@@ -31,8 +33,10 @@ from common.tools.object_factory.Device import json_device_id
 from common.tools.object_factory.Link import json_link_id
 from .InMemoryObjectDatabase import InMemoryObjectDatabase
 from .MockMessageBroker import (
-    TOPIC_CONNECTION, TOPIC_CONTEXT, TOPIC_DEVICE, TOPIC_LINK, TOPIC_SERVICE, TOPIC_SLICE, TOPIC_TOPOLOGY, TOPIC_POLICY,
-    MockMessageBroker, notify_event)
+    TOPIC_CONNECTION, TOPIC_CONTEXT, TOPIC_DEVICE, TOPIC_LINK,
+    TOPIC_SERVICE, TOPIC_SLICE, TOPIC_TOPOLOGY, TOPIC_POLICY,
+    MockMessageBroker, notify_event
+)
 
 LOGGER = logging.getLogger(__name__)
 
@@ -579,6 +583,7 @@ class MockServicerImpl_Context(ContextServiceServicer):
         LOGGER.debug('[SelectService] reply={:s}'.format(grpc_message_to_json_string(reply)))
         return reply
 
+
     # ----- Connection -------------------------------------------------------------------------------------------------
 
     def ListConnectionIds(self, request : ServiceId, context : grpc.ServicerContext) -> ConnectionIdList:
@@ -628,6 +633,9 @@ class MockServicerImpl_Context(ContextServiceServicer):
         LOGGER.debug('[GetConnectionEvents] request={:s}'.format(grpc_message_to_json_string(request)))
         for message in self.msg_broker.consume({TOPIC_CONNECTION}): yield ConnectionEvent(**json.loads(message.content))
 
+
+    # ----- Policy Rule ------------------------------------------------------------------------------------------------
+
     def ListPolicyRuleIds(self, request : Empty, context : grpc.ServicerContext):   # pylint: disable=unused-argument
         LOGGER.debug('[ListPolicyRuleIds] request={:s}'.format(grpc_message_to_json_string(request)))
         reply = PolicyRuleIdList(policyRuleIdList=[
@@ -666,3 +674,71 @@ class MockServicerImpl_Context(ContextServiceServicer):
         reply = self._del(request, 'policy', policy_uuid, rule_id_field, TOPIC_CONTEXT, context)
         LOGGER.debug('[RemovePolicyRule] reply={:s}'.format(grpc_message_to_json_string(reply)))
         return reply
+
+
+    # ----- Optical Link -----------------------------------------------------------------------------------------------
+
+    def GetOpticalLinkList(self, request : Empty, context : grpc.ServicerContext) -> OpticalLinkList:
+        LOGGER.debug('[GetOpticalLinkList] request={:s}'.format(grpc_message_to_json_string(request)))
+        reply = OpticalLinkList(optical_links=self.obj_db.get_entries('optical_link'))
+        LOGGER.debug('[GetOpticalLinkList] reply={:s}'.format(grpc_message_to_json_string(reply)))
+        return reply
+
+    def GetOpticalLink(self, request : LinkId, context : grpc.ServicerContext) -> OpticalLink:
+        LOGGER.debug('[GetOpticalLink] request={:s}'.format(grpc_message_to_json_string(request)))
+        reply = self.obj_db.get_entry('optical_link', request.link_uuid.uuid, context)
+        LOGGER.debug('[GetOpticalLink] reply={:s}'.format(grpc_message_to_json_string(reply)))
+        return reply
+
+    def SetOpticalLink(self, request : OpticalLink, context : grpc.ServicerContext) -> Empty:
+        LOGGER.debug('[SetOpticalLink] request={:s}'.format(grpc_message_to_json_string(request)))
+        link_uuid = request.link_id.link_uuid.uuid
+        reply, link = self._set(request, 'optical_link', link_uuid, 'link_id', TOPIC_LINK)
+
+        context_topology_uuids : Set[Tuple[str, str]] = set()
+        context_topology_uuids.add((DEFAULT_CONTEXT_NAME, DEFAULT_TOPOLOGY_NAME))
+        for endpoint_id in link.link_endpoint_ids:
+            endpoint_context_uuid = endpoint_id.topology_id.context_id.context_uuid.uuid
+            if len(endpoint_context_uuid) == 0: endpoint_context_uuid = DEFAULT_CONTEXT_NAME
+            endpoint_topology_uuid = endpoint_id.topology_id.topology_uuid.uuid
+            if len(endpoint_topology_uuid) == 0: endpoint_topology_uuid = DEFAULT_TOPOLOGY_NAME
+            context_topology_uuids.add((endpoint_context_uuid, endpoint_topology_uuid))
+
+        for context_uuid,topology_uuid in context_topology_uuids:
+            container_name = 'topology[{:s}]'.format(str(context_uuid))
+            topology = self.obj_db.get_entry(container_name, topology_uuid, context)
+            for _optical_link_id in topology.optical_link_ids:
+                if _optical_link_id.link_uuid.uuid == link_uuid: break
+            else:
+                # link not found, add it
+                topology.optical_link_ids.add().link_uuid.uuid = link_uuid
+
+        reply = Empty()
+        LOGGER.debug('[SetOpticalLink] reply={:s}'.format(grpc_message_to_json_string(reply)))
+        return reply
+
+    def DeleteOpticalLink(self, request : LinkId, context : grpc.ServicerContext) -> Empty:
+        LOGGER.debug('[DeleteOpticalLink] request={:s}'.format(grpc_message_to_json_string(request)))
+        link_uuid = request.link_uuid.uuid
+        optical_link = self.obj_db.get_entry('optical_link', link_uuid, context)
+        reply = self._del(request, 'optical_link', link_uuid, 'link_id', TOPIC_LINK, context)
+
+        context_topology_uuids : Set[Tuple[str, str]] = set()
+        context_topology_uuids.add((DEFAULT_CONTEXT_NAME, DEFAULT_TOPOLOGY_NAME))
+        for endpoint_id in optical_link.link_endpoint_ids:
+            endpoint_context_uuid = endpoint_id.topology_id.context_id.context_uuid.uuid
+            if len(endpoint_context_uuid) == 0: endpoint_context_uuid = DEFAULT_CONTEXT_NAME
+            endpoint_topology_uuid = endpoint_id.topology_id.topology_uuid.uuid
+            if len(endpoint_topology_uuid) == 0: endpoint_topology_uuid = DEFAULT_TOPOLOGY_NAME
+            context_topology_uuids.add((endpoint_context_uuid, endpoint_topology_uuid))
+
+        for context_uuid,topology_uuid in context_topology_uuids:
+            container_name = 'topology[{:s}]'.format(str(context_uuid))
+            topology = self.obj_db.get_entry(container_name, topology_uuid, context)
+            for optical_link_id in topology.optical_link_ids:
+                if optical_link_id.link_uuid.uuid == link_uuid:
+                    topology.optical_link_ids.remove(optical_link_id)
+                    break
+
+        LOGGER.debug('[DeleteOpticalLink] reply={:s}'.format(grpc_message_to_json_string(reply)))
+        return reply