Ansible playbook to create ansible user on junos device with private key authentication

ansible_user.conf.j2

system {
    login {
        user ansible {
            class super-user;
            authentication {
                ssh-rsa "{{ ansible_public_key }}";
           }
        }
    }
}

create_ansible_user_devices.yml

- name: Configure routers for ansible user with ssh key
  hosts: all
  connection: local
  roles:
    - Juniper.junos
  vars:
    ansible_public_key: "{{ lookup('file', '/home/ansible/.ssh/id_rsa.pub') }}"
  vars_prompt:
  - name: USER
    prompt: Device user
    private: no
  - name: PASSWORD
    prompt: Device password
    private: yes

  tasks:
    - name: Build ansible user configuration
      template:
        src: ansible_user.conf.j2
        dest: ./ansible_user.conf

    - name: Install config for ansible user on router
      junos_install_config:
        host={{ inventory_hostname }}
        user={{ USER }}
        passwd={{ PASSWORD }}
        port=22
        file=ansible_user.conf
        comment="Committed by ansible"