In check-vlan-interface process, we should :
1. check server-A eth.vlan_id exists, A_exists = True/False
1.1 if A_exists ==False, then add vlan interface in server-A
2. check server-B eth.vlan_id exists, B_exists = True/False
2.1 if B_exists ==False, then add vlan interface in server-B
3. do some check else such as ping server-B form server-A via eth.vlan_id
4. teardown vlan_interface:
4.1 if if A_exists ==False, then teardown vlan interface in server-A
4.2 if if B_exists ==False, then teardown vlan interface in server-B
In check-vlan- interface process, we should :
1. check server-A eth.vlan_id exists, A_exists = True/False
1.1 if A_exists ==False, then add vlan interface in server-A
2. check server-B eth.vlan_id exists, B_exists = True/False
2.1 if B_exists ==False, then add vlan interface in server-B
3. do some check else such as ping server-B form server-A via eth.vlan_id
4. teardown vlan_interface:
4.1 if if A_exists ==False, then teardown vlan interface in server-A
4.2 if if B_exists ==False, then teardown vlan interface in server-B
@bailin.zhang, do you agree with this?