[mutli-asic][vs]: Add support to test multi-asic vs with four asic and 8 interfaces

ansible/config_sonic_basedon_testbed.yml

@@ -48,6 +48,11 @@
     - fail: msg="The DUT you are trying to run test does not belongs to this testbed"
       when: inventory_hostname not in testbed_facts['duts']
 
+    - name: Set default num_asic
+      set_fact:
+        num_asics: 1
+      when: num_asics is not defined
+
     - name: Set default dut index
       set_fact:
         dut_index: "{{ testbed_facts['duts_map'][inventory_hostname]|int }}"
@@ -66,11 +71,11 @@
     delegate_to: localhost
 
   - name: find interface name mapping and individual interface speed if defined from dut
-    port_alias: hwsku="{{ hwsku }}"
+    port_alias: hwsku="{{ hwsku }}" num_asic="{{ num_asics }}"
     when: deploy is defined and deploy|bool == true
 
   - name: find interface name mapping and individual interface speed if defined with local data
-    port_alias: hwsku="{{ hwsku }}"
+    port_alias: hwsku="{{ hwsku }}" num_asic="{{ num_asics }}"
     delegate_to: localhost
     when: deploy is not defined or deploy|bool == false
 
@@ -348,6 +353,11 @@
 
       - debug: msg={{ docker_status.stdout_lines }}
 
+      - name: start topology service for multi-asic platform
+        become: true
+        shell: systemctl start topology.service
+        when: start_topo_service is defined and start_topo_service|bool == true
+
       - name: execute cli "config load_minigraph -y" to apply new minigraph
         become: true
         shell: config load_minigraph -y

ansible/lab

@@ -11,6 +11,7 @@ all:
             sonic_s6100:
             sonic_a7260:
             sonic_multi_asic:
+            sonic_multi_asic_2:
         fanout:
           hosts:
             str-7260-10:
@@ -118,7 +119,22 @@ sonic_multi_asic:
   vars:
     hwsku: msft_multi_asic_vs
     iface_speed: 40000
+    num_asics: 6
+    start_topo_service: True
+    frontend_asics: [0,1,2,3]
   hosts:
     vlab-07:
-      ansible_host: 10.250.0.109
-      ansible_hostv6: fec0::ffff:afa:7
+      ansible_host: 10.250.0.110
+      ansible_hostv6: fec0::ffff:afa:a
+
+sonic_multi_asic_2:
+  vars:
+    hwsku: msft_four_asic_vs
+    iface_speed: 40000
+    num_asics: 4
+    start_topo_service: True
+    frontend_asics: [0,1]
+  hosts:
+    vlab-08:
+      ansible_host: 10.250.0.112
+      ansible_hostv6: fec0::ffff:afa:c