mono-infrastructure/ansible/playbooks/tasks/efs_mount.yml

---
# Requires amazon-efs-utils; included, but should probably be split out?
#

- name: "Installing amazon-efs-utils"
  become: true
  become_user: root
  yum:
    name: 'https://git.rockylinux.org/neil/efs-utils/-/jobs/5/artifacts/raw/build/amazon-efs-utils-1.30.1-1.el8.noarch.rpm?inline=false'
    disable_gpg_check: true
    validate_certs: true
    state: present
  tags:
    - amazon_efs_utils
    - packages
    - mounts

- name: "Gathering ec2 facts"
  amazon.aws.ec2_metadata_facts:
  tags:
    - mounts

# "you can use /etc/hosts" https://github.com/aws/efs-utils/issues/1
- name: "Install custom hosts file because fmlC-w amazon said so."
  become: true
  become_user: root
  ansible.builtin.lineinfile:
    path: /etc/hosts
    line: "{{ item.ip_map[ansible_ec2_placement_availability_zone] }} {{ item.fsid }}.efs.{{ ansible_ec2_placement_region }}.amazonaws.com"
    create: true
  tags:
    - mounts

- name: "Creating and mounting {{ item.fsid }} at {{ item.mount_point }}"
  become: true
  become_user: root
  ansible.posix.mount:
    path: "{{ item.mount_point }}"
    src: "{{ item.fsid }}:/"
    fstype: "{{ item.fstype }}"
    opts: "{{ item.fsopts | join(',') }}"
    state: "{{ item.state | default('mounted') }}"
  tags:
    - mounts
...