Edge port - update description in edge_port_create template

geant/gap_ansible/roles/edge_port/templates/nokia/edge_port_create.j2

+{% set gaid_prefix = '$' %}
+{% set csn_prefix = '#' %}
 <config xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns:alu="urn:ietf:params:xml:ns:netconf:base:1.0">
     <configure xmlns="urn:nokia.com:sros:ns:yang:sr:conf">
 
@@ -5,7 +7,7 @@
       <port xmlns="urn:nokia.com:sros:ns:yang:sr:conf" xmlns:nc="urn:ietf:params:xml:ns:netconf:base:1.0" xmlns:nokia-attr="urn:nokia.com:sros:ns:yang:sr:attributes" alu:operation="replace">
           <port-id>{{ member.interface_name }}</port-id>
           <admin-state>enable</admin-state>
-          <description>PHY {{ ep.edge_port_type }} {{ partner_name }} P_{{ ep.edge_port_name }} | {{ member.interface_description }}</description>
+          <description>PHY {{ ep.edge_port_type }} {{ partner_name }} P_{{ ep.edge_port_name }}{{ ' | '+member.interface_description if member.interface_description is string }}</description>
           <ethernet>
               <mode>access</mode>
               <encap-type>{{ ep.encapsulation }}</encap-type>
@@ -39,11 +41,7 @@
           <lag-name>{{ ep.edge_port_name | lower }}</lag-name>
           <admin-state>enable</admin-state>
           <encap-type>{{ ep.encapsulation }}</encap-type>
-          {% if ep.ga_id is string %}
-          <description>LAG {{ ep.edge_port_type }} {{ partner_name }} ${{ ep.ga_id }} |</description>
-          {% else %}
-          <description>LAG {{ ep.edge_port_type }} {{ partner_name }} |</description>
-          {% endif %}
+          <description>LAG {{ ep.edge_port_type }} {{ partner_name }}{{ ' | '+gaid_prefix+ep.ga_id if ep.ga_id is string }}{{ ' | '+csn_prefix+(ep.custom_service_name | replace("#","")) if ep.custom_service_name is string }}{{ ' | '+ep.edge_port_description if ep.edge_port_description is string }}</description>
           <mode>access</mode>
          {% if ep.enable_lacp is true %} 
           <lacp>