---
# ---
# Some Checks
# ---

- name: Check if file '/etc/postfix/relay_domains' exists
  ansible.builtin.stat:
    path: /etc/postfix/relay_domains
  register: relay_domains_actual

- name: (copy_files.yml) Get checksum of '/etc/postfix/relay_domains'
  ansible.builtin.set_fact:
    relay_domains_sha1: "{{ relay_domains_actual.stat.checksum }}"
  when:
    - relay_domains_actual.stat.exists

# ---
# Copy files - main 
# ---

- name: (copy_files.yml) Copy plain files
  ansible.builtin.copy:
    src: "{{ item.src_path }}"
    dest: "{{ item.dest_path }}"
    owner: root
    group: root
    mode: "0644"
  loop: "{{ copy_plain_files }}"
  loop_control:
    label: "dest: {{ item.name }}"
  when:
    - copy_plain_files is defined
    - copy_plain_files|length > 0
  tags:
    - copy-files
    - copy-plain-files

- name: (copy_files.yml) Copy plain files Postfix (/etc/postfix)
  ansible.builtin.copy:
    src: "{{ item.src_path }}"
    dest: "{{ item.dest_path }}"
    owner: root
    group: root
    mode: "0644"
  loop: "{{ copy_plain_files_postfix }}"
  loop_control:
    label: "dest: {{ item.name }}"
  when:
    - inventory_hostname in groups['mail_server']
    - copy_plain_files_postfix is defined
    - copy_plain_files_postfix|length > 0
  tags:
    - copy-files
    - copy-plain-files
  notify: "Reload postfwd"

- name: (copy_files.yml) Copy host specific plain files Postfix (/etc/postfix)
  ansible.builtin.copy:
    src: "{{ item.src_path }}"
    dest: "{{ item.dest_path }}"
    owner: root
    group: root
    mode: "0644"
  loop: "{{ copy_plain_files_postfix_host_specific }}"
  loop_control:
    label: "dest: {{ item.name }}"
  when:
    - inventory_hostname in groups['mail_server']
    - copy_plain_files_postfix_host_specific is defined
    - copy_plain_files_postfix_host_specific|length > 0
  tags:
    - copy-files
    - copy-plain-files
  notify: "Reload postfwd"

- name: (copy_files.yml) Copy plain files Postfix Firewall (postfwd)
  ansible.builtin.copy:
    src: "{{ item.src_path }}"
    dest: "{{ item.dest_path }}"
    owner: root
    group: root
    mode: "0644"
  loop: "{{ copy_plain_files_postfwd }}"
  loop_control:
    label: "dest: {{ item.name }}"
  when:
    - inventory_hostname in groups['mail_server']
    - copy_plain_files_postfwd is defined
    - copy_plain_files_postfwd|length > 0
  tags:
    - copy-files
    - copy-plain-files
  notify: "Reload postfwd"

- name: (copy_files.yml) Copy host specific plain files Postfix Firewall (postfwd)
  ansible.builtin.copy:
    src: "{{ item.src_path }}"
    dest: "{{ item.dest_path }}"
    owner: root
    group: root
    mode: "0644"
  loop: "{{ copy_plain_files_postfwd_host_specific }}"
  loop_control:
    label: "dest: {{ item.name }}"
  when:
    - inventory_hostname in groups['mail_server']
    - copy_plain_files_postfwd_host_specific is defined
    - copy_plain_files_postfwd_host_specific|length > 0
  tags:
    - copy-files
    - copy-plain-files
  notify: "Reload postfwd"

- name: (copy_files.yml) Copy template files
  ansible.builtin.template:
    src: "{{ item.src_path }}"
    dest: "{{ item.dest_path }}"
    owner: root
    group: root
    mode: "0644"
  loop: "{{ copy_template_files }}"
  loop_control:
    label: "dest: {{ item.name }}"
  when:
    - copy_template_files is defined
    - copy_template_files|length > 0
  tags:
    - copy-files
    - copy-template-files

# ---
# Some final tasks
# ---

- name: Get checksum oif (possible upodated) file '/etc/postfix/relay_domains' exists
  ansible.builtin.stat:
    path: /etc/postfix/relay_domains
  register: relay_domains_new

- name: (copy_files.yml) Get checksum of '/etc/postfix/relay_domains'
  ansible.builtin.set_fact:
    relay_domains_sha1_new: "{{ relay_domains_new.stat.checksum }}"
  when:
    - relay_domains_new.stat.exists

- name: (copy_files.yml) Renew database /etc/postfix/relay_domains.db
  ansible.builtin.command: "/usr/sbin/postmap btree:/etc/postfix/relay_domains"
  when:
    - relay_domains_actual.stat.exists
    - relay_domains_new.stat.exists
    - relay_domains_actual.stat.checksum != relay_domains_new.stat.checksum
  notify: "Reload postfwd"