minigraph: Add the ability to set a per-port speed in the minigraph

ansible/config_sonic_basedon_testbed.yml

@@ -74,6 +74,11 @@
   - topo_facts: topo={{ topo }} hwsku={{ hwsku }}
     delegate_to: localhost
 
+  - name: get connection graph if defined for dut (ignore any errors)
+    conn_graph_facts: host="{{ inventory_hostname }}" ignore_errors=true
+    delegate_to: localhost
+    ignore_errors: true
+
   - name: find interface name mapping and individual interface speed if defined from dut
     port_alias: hwsku="{{ hwsku }}"
     when: deploy is defined and deploy|bool == true

ansible/library/conn_graph_facts.py

@@ -519,6 +519,7 @@ def main():
             filename=dict(required=False),
             filepath=dict(required=False),
             anchor=dict(required=False, type='list'),
+            ignore_errors=dict(required=False, type='bool', default=False),
         ),
         mutually_exclusive=[['host', 'hosts', 'anchor']],
         supports_check_mode=True
@@ -565,7 +566,7 @@ def main():
                 'device_port_vlans': lab_graph.vlanport,
             }
             module.exit_json(ansible_facts=results)
-        succeed, results = build_results(lab_graph, hostnames)
+        succeed, results = build_results(lab_graph, hostnames, m_args['ignore_errors'])
         if succeed:
             module.exit_json(ansible_facts=results)
         else:

ansible/templates/minigraph_device.j2

@@ -16,11 +16,12 @@
           <MultiPortsInterface>false</MultiPortsInterface>
           <PortName>0</PortName>
           <Priority>0</Priority>
-{% set speed_option = port_speed | length %}
-{% if speed_option == 0 %}
-          <Speed>{{ iface_speed }}</Speed>
-{% else %}
+{% if port_speed[port_alias[index]] is defined %}
           <Speed>{{ port_speed[port_alias[index]] }}</Speed>
+{% elif device_conn[inventory_hostname][port_alias[index]] is defined %}
+          <Speed>{{ device_conn[inventory_hostname][port_alias[index]]['speed'] }}</Speed>
+{% else %}
+          <Speed>{{ iface_speed }}</Speed>
 {% endif %}
         </a:EthernetInterface>
 {% endfor %}