arista_example.yml

---
- name: l2_interfaces example for blog
  hosts: arista
  gather_facts: false
  tasks:

    - name: merge configuration
      arista.eos.eos_l2_interfaces:
       config:
       - name: Ethernet1
         mode: trunk

arista_example_2.yml

---
- name: l2_interfaces example for blog
  hosts: arista
  gather_facts: false
  tasks:

    - name: merge configuration
      arista.eos.eos_l2_interfaces:
       config:
       - name: Ethernet1
         mode: trunk
      register: example

    - name: display output
      debug:
        msg:
          - "before:"
          - "{{ example.before | to_nice_yaml }}"
          - ""
          - "commands:"
          - "{{ example.commands | to_nice_yaml }}"
          - ""
          - "{{ example.after | to_nice_yaml }}"

play_output.txt

[sean@RHEL8 ~]$ ansible-playbook arista_example.yml -v -l rtr2
Using /home/student1/.ansible.cfg as config file

PLAY [l2_interfaces example for blog] **************************************************************************************************************************************************************

TASK [merge configuration] *************************************************************************************************************************************************************************
changed: [rtr2] => changed=true
  after:
  - mode: trunk
    name: Ethernet1
  - name: Loopback0
  - name: Tunnel0
  - name: Ethernet1
  - name: Tunnel1
  - name: Ethernet1
  ansible_facts:
    discovered_interpreter_python: /usr/libexec/platform-python
  before:
  - name: Ethernet1
  - name: Loopback0
  - name: Tunnel0
  - name: Ethernet1
  - name: Tunnel1
  - name: Ethernet1
  commands:
  - interface Ethernet1
  - switchport mode trunk

PLAY RECAP *****************************************************************************************************************************************************************************************
rtr2                       : ok=1    changed=1    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0

play_output_2.txt

[sean@RHEL8 ~]$ ansible-playbook arista_example_2.yml

PLAY [l2_interfaces example for blog] **************************************************************************************************************************************************************

TASK [merge configuration] *************************************************************************************************************************************************************************
changed: [rtr4]
changed: [rtr2]

TASK [display output] ******************************************************************************************************************************************************************************
ok: [rtr4] =>
  msg:
  - 'before:'
  - |-
    -   name: Ethernet1
    -   name: Loopback0
    -   name: Tunnel0
    -   name: Ethernet1
  - ''
  - 'commands:'
  - |-
    - interface Ethernet1
    - switchport mode trunk
  - ''
  - |-
    -   mode: trunk
        name: Ethernet1
    -   name: Loopback0
    -   name: Tunnel0
    -   name: Ethernet1
ok: [rtr2] =>
  msg:
  - 'before:'
  - |-
    -   mode: trunk
        name: Ethernet1
    -   name: Loopback0
    -   name: Tunnel0
    -   name: Ethernet1
    -   name: Tunnel1
    -   name: Ethernet1
  - ''
  - 'commands:'
  - |-
    - interface Ethernet1
    - switchport mode trunk
  - ''
  - |-
    -   mode: trunk
        name: Ethernet1
    -   name: Loopback0
    -   name: Tunnel0
    -   name: Ethernet1
    -   name: Tunnel1
    -   name: Ethernet1

PLAY RECAP *****************************************************************************************************************************************************************************************
rtr2                       : ok=2    changed=1    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0
rtr4                       : ok=2    changed=1    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0