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

---
# Sets up the EFS mount for /mnt/koji {{ koji_efs_mount_path }}
# Requires amazon-efs-utils; included
#
- name: Installing amazon-efs-utils
  yum:
    name: amazon-efs-utils
    state: present
  tags:
    - amazon_efs_utils
    - packages

- 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 ~~fml~~ amazon said so."
  ansible.builtin.lineinfile:
    path: /etc/hosts
    line: "{{ koji_efs_fs_ip_map[ansible_ec2_placement_availability_zone] }} {{ koji_efs_fsid }}"
    create: true
  tags:
    - mounts

- name: "Creating and mounting {{ koji_efs_fsid }} at {{ koji_efs_mount_path }}"
  ansible.posix.mount:
    path: "{{ koji_efs_mount_path }}"
    src: "{{ koji_efs_fsid }}:/"
    fstype: "{{ koji_efs_fs_type }}"
    opts: "{{ koji_efs_fs_opts | join(',') }}"
    state: "{{ koji_efs_fs_state | default('mounted') }}"
  tags:
    - mounts
...