sovereign/roles/mailserver/tasks/dovecot.yml

- name: Install Dovecot and related packages
  apt: pkg={{ item }} update_cache=yes state=installed
  with_items:
    - dovecot-core
    - dovecot-imapd
    - dovecot-lmtpd
    - dovecot-managesieved
    - dovecot-pgsql
    - dovecot-pop3d
  tags:
    - dependencies

- name: Install Postgres for Dovecot
  apt: pkg=postgresql state=present
  tags:
    - dependencies

- name: Create vmail group
  group: name=vmail state=present gid=5000

- name: Create vmail user
  user: name=vmail group=vmail state=present uid=5000 home=/decrypted shell=/usr/sbin/nologin

- name: Ensure mail domain directories are in place
  file: state=directory path=/decrypted/{{ item.name }} owner=vmail group=dovecot mode=0770
  with_items: '{{ mail_virtual_domains }}'

- name: Ensure mail directories are in place
  file: state=directory path=/decrypted/{{ item.domain }}/{{ item.account }} owner=vmail group=dovecot
  with_items: '{{ mail_virtual_users }}'

- name: Copy dovecot.conf into place
  copy: src=etc_dovecot_dovecot.conf dest=/etc/dovecot/dovecot.conf

- name: Create before.d sieve scripts directory
  file: path=/etc/dovecot/sieve/before.d state=directory owner=vmail group=dovecot recurse=yes mode=0770
  notify: restart dovecot

- name: Configure sieve script moving spam into Junk folder
  copy: src=etc_dovecot_sieve_before.d_no-spam.sieve dest=/etc/dovecot/sieve/before.d/no-spam.sieve owner=vmail group=dovecot
  notify: restart dovecot

- name: Copy additional Dovecot configuration files in place
  copy: src=etc_dovecot_conf.d_{{ item }} dest=/etc/dovecot/conf.d/{{ item }}
  with_items:
    - 10-auth.conf
    - 10-mail.conf
    - 10-master.conf
    - 90-antispam.conf
    - 90-plugin.conf
    - 90-sieve.conf
    - auth-sql.conf.ext
  notify: restart dovecot

- name: Template 10-ssl.conf
  template: src=etc_dovecot_conf.d_10-ssl.conf.j2 dest=/etc/dovecot/conf.d/10-ssl.conf
  notify: restart dovecot

- name: Template 15-lda.conf
  template: src=etc_dovecot_conf.d_15-lda.conf.j2 dest=/etc/dovecot/conf.d/15-lda.conf
  notify: restart dovecot

- name: Template 20-imap.conf
  template: src=etc_dovecot_conf.d_20-imap.conf.j2 dest=/etc/dovecot/conf.d/20-imap.conf
  notify: restart dovecot

- name: Template dovecot-sql.conf.ext
  template: src=etc_dovecot_dovecot-sql.conf.ext.j2 dest=/etc/dovecot/dovecot-sql.conf.ext
  notify: restart dovecot

- name: Ensure correct permissions on Dovecot config directory
  file: state=directory path=/etc/dovecot
          group=dovecot owner=vmail mode=0770 recurse=yes
  notify: restart dovecot

- name: Set firewall rules for dovecot
  ufw: rule=allow port={{ item }} proto=tcp
  with_items:
    - imaps
    - pop3s
  tags: ufw

- name: Update post-certificate-renewal task
  copy:
    content: "#!/bin/bash\n\nservice dovecot restart\n"
    dest: /etc/letsencrypt/postrenew/dovecot.sh
    mode: 0755
    owner: root
    group: root