Cloudpods/ocboot/onecloud/roles/utils/fetch-node-interface/tasks/main.yml

- name: Run `ip -6 -brief address show` for IPv6
  shell: |
    ip -6 -brief address show | grep {{ node_ip }}/ | awk '{print $1}'
  register: NODE_INTERFACE_IPV6
  when: ip_type is defined and ip_type == 'ipv6'
  failed_when: false

- name: Run `ip -4 -brief address show` for IPv4
  shell: |
    ip -4 -brief address show | grep {{ node_ip }}/ | awk '{print $1}'
  register: NODE_INTERFACE_IPV4
  when: ip_type is not defined or ip_type != 'ipv6'
  failed_when: false

- name: Set node_interface_name for IPv6
  set_fact:
    node_interface_name: "{{ NODE_INTERFACE_IPV6.stdout_lines[0] }}"
  when:
    - ip_type is defined and ip_type == 'ipv6'
    - NODE_INTERFACE_IPV6 is defined
    - NODE_INTERFACE_IPV6.stdout_lines is defined
    - NODE_INTERFACE_IPV6.stdout_lines | length > 0

- name: Set node_interface_name for IPv4
  set_fact:
    node_interface_name: "{{ NODE_INTERFACE_IPV4.stdout_lines[0] }}"
  when:
    - ip_type is not defined or ip_type != 'ipv6'
    - NODE_INTERFACE_IPV4 is defined
    - NODE_INTERFACE_IPV4.stdout_lines is defined
    - NODE_INTERFACE_IPV4.stdout_lines | length > 0

- name: Set default node_interface_name if not found
  set_fact:
    node_interface_name: "eth0"
  when: node_interface_name is not defined

- block:
  - name: Find the physical interface on br0
    shell: |
      ovs-vsctl list-ifaces br0 | head -n 1
    register: BR0_PHY_NIC

  - name: Update node_interface_name when br0 is existing
    set_fact:
      node_interface_name: "{{ BR0_PHY_NIC.stdout_lines[0] }}"
    when: BR0_PHY_NIC.stdout_lines is defined and BR0_PHY_NIC.stdout_lines | length > 0
  when: node_interface_name is defined and node_interface_name == 'br0'