---
- name: install packages
  pkgng:
    name: "{{ item }}"
    state: present
  with_items:
    - opendkim
    - postfix
    - dovecot
    - dovecot-pigeonhole

- name: group - check vmail group
  command: pw groupshow {{ mail.vuser.name }}
  register: pw_cmd
  ignore_errors: true
  changed_when: false
  tags: vmail

- name: group - create vmail group
  command: pw groupadd {{ mail.vuser.name }} -g {{ mail.vuser.id }}
  when: pw_cmd.rc != 0
  tags: vmail

- name: user - check vmail user
  command: pw usershow {{ mail.vuser.name }}
  register: pw_cmd
  ignore_errors: true
  changed_when: false
  tags: vmail

- name: user - create vmail user
  command: >
    pw useradd {{ mail.vuser.name }}
    -u {{ mail.vuser.id }} -g {{ mail.vuser.name }}
    -m -M 0700 -d {{ mail.vuser.home }}
    -s /sbin/nologin
    -c "Virtual Mail User"
  when: pw_cmd.rc != 0
  tags: vmail


#
# OpenDKIM
#

- name: opendkim - create directory
  file:
    path: /usr/local/etc/mail/dkim
    state: directory
  tags: opendkim

- name: opendkim - generate domain keys
  include_tasks: dkim-genkey.yml domain={{ item }}
  with_items: "{{ mail.domains }}"
  tags: opendkim

- name: opendkim - generate tables
  template:
    src: "{{ item }}"
    dest: /usr/local/etc/mail/dkim/{{ item | basename | regex_replace('\.j2', '') }}
  with_items:
    - dkim/KeyTable.j2
    - dkim/SigningTable.j2
  notify: reload-opendkim
  tags: opendkim

- name: opendkim - generate config file
  template:
    src: opendkim.conf.j2
    dest: /usr/local/etc/mail/opendkim.conf
  notify: reload-opendkim
  tags: opendkim

- name: opendkim - enable and start
  command: rcenable milter-opendkim


#
# Dovecot
#

- name: dovecot - copy sieve filters
  copy:
    src: sieve/  # trailing '/' -> directory contents
    dest: /usr/local/etc/dovecot/sieve/
  tags: dovecot

- name: dovecot - compile sieve filters
  command: >
    find /usr/local/etc/dovecot/sieve/
    -name '*.sieve'
    -exec sievec '{}' ';'
  tags: dovecot

- name: dovecot - generate passdb and userdb
  template:
    src: dovecot/{{ item }}.j2
    dest: /usr/local/etc/dovecot/{{ item }}
    group: dovecot
    mode: 0440
  with_items:
    - passdb
    - userdb
  tags: dovecot

- name: dovecot - generate config file
  template:
    src: dovecot/dovecot.conf.j2
    dest: /usr/local/etc/dovecot/dovecot.conf
  notify: reload-dovecot
  tags: dovecot

- name: dovecot - enable and start
  command: rcenable dovecot


#
# Postfix
#
# NOTE: Postfix depends on Dovecot (e.g., SASL), so setup Dovecot first.
#

- name: aliases - forward root mails
  lineinfile:
    path: /etc/mail/aliases
    line: "root: root@{{ mail.domains[0] }}"
    insertafter: '#?\s*root:'
  notify: update-aliases

- name: postfix - set as mailer/MTA
  file:
    path: /etc/mail/mailer.conf
    src: /etc/mail/mailer.conf.postfix
    state: link
    force: true

- name: postfix - disable sendmail periodic tasks
  blockinfile:
    path: /etc/periodic.conf
    marker: "# {mark} ANSIBLE MANAGED - postfix"
    block: |
      # Disable sendmail(8) tasks in favor of Postfix
      daily_clean_hoststat_enable="NO"
      daily_status_mail_rejects_enable="NO"
      daily_status_include_submit_mailq="NO"
      daily_submit_queuerun="NO"

- name: postfix - enable postfix and disable sendmail
  blockinfile:
    path: /etc/rc.conf
    marker: "# {mark} ANSIBLE MANAGED - postfix"
    block: |
      postfix_enable="YES"
      # Completely disable sendmail(8) in favor of Postfix
      sendmail_enable="NO"
      sendmail_submit_enable="NO"
      sendmail_outbound_enable="NO"
      sendmail_msp_queue_enable="NO"

- name: postfix - copy config files
  copy:
    src: "{{ item }}"
    dest: /usr/local/etc/postfix/{{ item | basename }}
  with_fileglob:
    - "postfix/*"
  notify: reload-postfix
  tags: postfix

- name: postfix - generate config files
  template:
    src: "{{ item }}"
    dest: /usr/local/etc/postfix/{{ item | basename | regex_replace('\.j2', '') }}
  with_fileglob:
    - "../templates/postfix/*.j2"
  notify: reload-postfix
  tags: postfix

- name: postfix - update lookup tables
  command: postmap /usr/local/etc/postfix/{{ item }}
  with_items:
    - virtual-aliases
    - virtual-users
  notify: reload-postfix
  tags: postfix

- name: postfix - start service
  command: rcstart postfix

- name: acme - copy deployment scripts
  copy:
    src: "{{ item }}"
    dest: /usr/local/etc/acme/deploy.d/{{ item | basename }}
  with_fileglob:
    - "acme/*"
  tags: acme