ansible-roles/dovecot/tasks/main.yml

- name: ensure packages are installed
  apt:
    name:
      - dovecot-ldap
      - dovecot-imapd
      - dovecot-pop3d
      - dovecot-sieve
      - dovecot-managesieved
    state: present
  tags:
  - dovecot

- name: Generate 4096 bits Diffie-Hellman parameters (may take several minutes)
  openssl_dhparam:
    path: /etc/ssl/dhparams.pem
    size: 4096

- name: disable pam auth
  replace:
    dest: /etc/dovecot/conf.d/10-auth.conf
    regexp: "[^#]!include auth-system.conf.ext"
    replace: "#!include auth-system.conf.ext"
  tags:
  - dovecot

- name: update ldap auth
  lineinfile:
    dest: /etc/dovecot/dovecot-ldap.conf.ext
    line: "{{ item.key }} = {{ item.value }}"
    regexp: "^#*{{ item.key }}"
    state: present
  loop:
    - { key: 'hosts', value: '127.0.0.1' }
    - { key: 'auth_bind', value: 'yes' }
    - { key: 'ldap_version', value: 3 }
    - { key: 'base', value: "{{ ldap_suffix }}" }
    - { key: 'user_attrs', value: 'homeDirectory=home' }
    - { key: 'user_filter', value: '(&(isActive=TRUE)(uid=%u))' }
    - { key: 'pass_attrs', value: 'uid=user,userPassword=password' }
  when: ldap_suffix is defined
  notify: reload dovecot
  tags:
  - dovecot

- name: create vmail group
  group:
    name: vmail
    gid: "{{ dovecot_vmail_gid }}"
    system: True
  tags:
  - dovecot

- name: create vmail user
  user:
    name: vmail
    group: vmail
    uid: "{{ dovecot_vmail_uid }}"
    shell: /bin/false
    system: True
  tags:
  - dovecot

- name: deploy evolix config
  template:
    src: z-evolinux-defaults.conf.j2
    dest: /etc/dovecot/conf.d/z-evolinux-defaults.conf
    mode: "0644"
  notify: reload dovecot
  tags:
  - dovecot

- name: deploy file for custom configuration
  template:
    src: zzz-evolinux-custom.conf.j2
    dest: /etc/dovecot/conf.d/zzz-evolinux-custom.conf
    mode: "0644"
  notify: reload dovecot
  tags:
  - dovecot

- include: munin.yml
  tags:
  - dovecot

- name: log2mail is installed
  apt:
    name: log2mail
    state: present
  tags: dovecot
  
- name: dovecot is configured in log2mail
  blockinfile:
    path: /etc/log2mail/config/mail.conf
    create: true
    owner: log2mail
    group: adm
    mode: "0640"
    block: |
      file = /var/log/mail.log
      pattern = "Out of memory"
      mailto = {{ log2mail_alert_email or general_alert_email | mandatory }}
      template = /etc/log2mail/mail
  notify: restart log2mail
  tags: dovecot