[bgp_speaker]: Specify VLAN IP route in case LPM to other nexthop (#394)

Signed-off-by: Sihui Han <[email protected]>

Author: sihuihan88

ansible/roles/test/tasks/bgp_speaker.yml

@@ -24,6 +24,12 @@
   set_fact:
      bgp_speaker_asn={{cfggen_out.stdout}}
 
+- set_fact: addr_family='ipv4'
+  when: addr_family is not defined
+
+- set_fact: portchannel_name="{{minigraph_portchannel_interfaces[0].attachto}}"
+  when: addr_family == 'ipv6'
+
 - name: print bgp speaker asn number
   debug: msg="{{bgp_speaker_asn}}"
 
@@ -47,6 +53,18 @@
 - name: Set the value of ips in bgp speaker peer range
   set_fact: speaker_ips={{generated_ips}}
 
+- name: Flush vlan ips route
+  command: ip route flush {{item.split('/')[0]}}/32
+  when: addr_family == 'ipv4'
+  become: yes
+  with_items: "{{vlan_ips}}"
+
+- name: Add vlan ips route
+  command: ip route add {{item.split('/')[0]}}/32 dev {{minigraph_vlan_interfaces[0]['attachto']}}
+  when: addr_family == 'ipv4'
+  become: yes
+  with_items: "{{vlan_ips}}"
+
 - debug: msg="{{generated_ips}}"
 
 # vlan_ips[0], speaker_ips[0], speaker_ips[1] are IPs for three bgp speakers
@@ -76,12 +94,6 @@
     - {file_name: "config_3.ini", local_ip: '{{vlan_ips[0]}}', port_num: '7000'}
   delegate_to: "{{ptf_host}}"
 
-- set_fact: addr_family='ipv4'
-  when: addr_family is not defined
-
-- set_fact: portchannel_name="{{minigraph_portchannel_interfaces[0].attachto}}"
-  when: addr_family == 'ipv6'
-
 - set_fact: portchannel_peer="{%for p in minigraph_portchannel_interfaces%}{%if p['attachto']==portchannel_name and p['peer_addr']|ipv6%}{{p['peer_addr']}}{%endif %}{%endfor%}"
   when: addr_family == 'ipv6'
 
@@ -180,6 +192,7 @@
     ptf_test_dir: ptftests
     ptf_test_path: fib_test.FibTest
     ptf_platform: remote
+    ptf_platform_dir: ptftests
     ptf_test_params:
       - testbed_type='{{testbed_type}}'
       - router_mac='{{ansible_Ethernet0['macaddress']}}'
@@ -192,6 +205,12 @@
   shell: pkill exabgp
   delegate_to: "{{ptf_host}}"
 
+- name: Flush vlan ips route
+  command: ip route flush {{item.split('/')[0]}}/32
+  when: addr_family == 'ipv4'
+  become: yes
+  with_items: "{{vlan_ips}}"
+
 - name: Remove Assigned IPs
   shell: ip addr flush dev eth{{ '%d' % (minigraph_vlans[minigraph_vlan_interfaces[0]['attachto']]['members'][0] | replace("Ethernet", "") | int / 4)}}
   delegate_to: "{{ptf_host}}"