bgpd: add memberCount into peer-grp json output

Member count is not part of current show bgp peer-group json output.

Fix:

memberCount attribute is added into bgp peer-grp json output.

Supported commands:

Default VRF :

- show bgp peer-group json

Non-Default VRF:

- show bgp vrf tenant1 peer-group json

UT done

Ticket:#4073454

Issue: 4073454

Signed-off-by: Sindhu Parvathi Gopinathan's <[email protected]>

bgpd/bgp_vty.c

@@ -16778,6 +16778,7 @@ static int bgp_show_one_peer_group(struct vty *vty, struct peer_group *group,
 	json_object *json_peer_group_dynamic = NULL;
 	json_object *json_peer_group_dynamic_af = NULL;
 	json_object *json_peer_group_ranges = NULL;
+	uint16_t member_count = 0;
 
 	conf = group->conf;
 
@@ -16945,10 +16946,14 @@ static int bgp_show_one_peer_group(struct vty *vty, struct peer_group *group,
 					dynamic ? "(dynamic)" : "",
 					peer_status);
 			}
+			member_count++;
 		}
-		if (json)
+		if (json) {
+			json_object_int_add(json_peer_group_members,
+					    "memberCount", member_count);
 			json_object_object_add(json_peer_group, "members",
 					       json_peer_group_members);
+		}
 	}
 
 	if (json)