role_unpack_secrets/tasks/main.yml

---
# tasks file for role_unpack_secrets
- name: get local machine-id
  command: cat /etc/machine-id
  register: get_local_machine_id_output
  delegate_to: localhost
  changed_when: false

- name: set local machine-id
  ansible.builtin.set_fact:
    local_system_uuid: "{{ get_local_machine_id_output.stdout }}"
  delegate_to: localhost

- name: get remote machine-id
  command: cat /etc/machine-id
  register: get_remote_machine_id_output
  changed_when: false

- name: set remote machine-id
  ansible.builtin.set_fact:
    remote_system_uuid: "{{ get_remote_machine_id_output.stdout }}"

- name: set remote workdir path
  ansible.builtin.set_fact:
    remote_workdir: /home/{{ ansible_user_id }}/{{ WORKDIR }}

- name: set local workdir path
  ansible.builtin.set_fact:
    local_workdir: /home/{{ lookup('env', 'USER') }}/{{ WORKDIR }}

- name: remove remote workdir
  ansible.builtin.file:
    path: "{{ remote_workdir }}"
    state: absent

- name: remove local workdir
  ansible.builtin.file:
    path: "{{ local_workdir }}"
    state: absent
  delegate_to: localhost
  when: local_system_uuid != remote_system_uuid

- name: create remote workdir
  ansible.builtin.file:
    path: "{{ remote_workdir }}"
    state: directory

- name: create local workdir
  ansible.builtin.file:
    path: "{{ local_workdir }}"
    state: directory
  delegate_to: localhost
  when: local_system_uuid != remote_system_uuid

- name: Find secret files
  ansible.builtin.find:
    paths: "/mnt/archives_critiques/secrets"
    patterns: 'secrets.tar.gz.enc-*'
  register: find_secret_files_output
  remote_user: "{{ LINUX_USERNAME }}"
  vars:
    ansible_ssh_port: "{{ SECRET_SSH_PORT }}"
  delegate_to: "{{ SECRET_HOST }}"
  ignore_errors: true

- name: Fetch secrets
  ansible.builtin.fetch:
    src: "{{ (find_secret_files_output.files | sort(attribute='mtime') | last).path }}"
    dest: "{{ local_workdir }}/secrets.tar.gz.enc"
    flat: yes
  remote_user: "{{ LINUX_USERNAME }}"
  vars:
    ansible_ssh_port: "{{ SECRET_SSH_PORT }}"
  delegate_to: "{{ SECRET_HOST }}"
  when: find_secret_files_output.files | length > 0
  ignore_errors: true

- name: Check local secrets.tar.gz.enc status
  stat:
    path: "{{ local_workdir }}/secrets.tar.gz.enc"
  register: local_stat_result
  delegate_to: localhost

- name: Assert that local secrets.tar.gz.enc exists
  ansible.builtin.assert:
    that:
      - local_stat_result.stat.exists
    fail_msg: "ERROR: Could not auto-retrieve secrets.tar.gz.enc. Please copy it in {{ local_workdir }} on Ansible controller and restart the playbook."
  delegate_to: localhost

- name: Copy secrets to remote server
  ansible.builtin.copy:
    src: "{{ local_workdir }}/secrets.tar.gz.enc"
    dest: "{{ remote_workdir }}/secrets.tar.gz.enc"
  when: local_system_uuid != remote_system_uuid

- name: Extract from secrets.tar.gz.enc
  shell: "openssl enc -aes-256-cbc -md md5 -pass env:SECRETS_ARCHIVE_PASSPHRASE -d -in {{ remote_workdir }}/secrets.tar.gz.enc | tar -zxv -C {{ remote_workdir }}"
  environment:
    SECRETS_ARCHIVE_PASSPHRASE: "{{ lookup('env', 'SECRETS_ARCHIVE_PASSPHRASE') }}"

- name: Remove secrets.tar.gz.enc
  ansible.builtin.file:
    path: "{{ remote_workdir }}/secrets.tar.gz.enc"
    state: absent