Set-OPS-Public/roles/serveur_postfix/tasks/main.yml

---
- name: Resoudre l'annuaire (role partage)
  ansible.builtin.include_role:
    name: resoudre_annuaire

- name: Adopter la connexion annuaire pour Postfix
  ansible.builtin.set_fact:
    serveur_postfix_ldap_serveur: "{{ resoudre_annuaire_uri }}:{{ resoudre_annuaire_port }}"
    serveur_postfix_ldap_base: "{{ resoudre_annuaire_users_dn }}"
    serveur_postfix_ldap_bind_dn: "{{ resoudre_annuaire_bind_dn }}"
    serveur_postfix_ldap_bind_password: "{{ resoudre_annuaire_bind_password }}"
  no_log: true

- name: Exiger le mot de passe de bind LDAP (Vault)
  ansible.builtin.assert:
    that:
      - serveur_postfix_ldap_bind_password | length > 0
    fail_msg: "serveur_postfix_ldap_bind_password requis (via Ansible Vault, ex. vault_openldap_admin)."

- name: Exiger le nœud mail-store (remise LMTP)
  ansible.builtin.assert:
    that:
      - serveur_postfix_mailstore_hote | length > 0
    fail_msg: "serveur_postfix_mailstore_hote requis (FQDN du nœud Dovecot qui héberge les boîtes)."

- name: Installer debconf-utils (requis par le module debconf)
  ansible.builtin.apt:
    name: debconf-utils
    state: present
    update_cache: true
    cache_valid_time: 3600

- name: Préconfigurer Postfix (debconf, installation non interactive)
  ansible.builtin.debconf:
    name: postfix
    question: "{{ item.question }}"
    vtype: "{{ item.vtype }}"
    value: "{{ item.value }}"
  loop:
    - { question: "postfix/main_mailer_type", vtype: "select", value: "Internet Site" }
    - { question: "postfix/mailname", vtype: "string", value: "{{ serveur_postfix_domaine }}" }
  loop_control:
    label: "{{ item.question }}"

- name: Installer Postfix
  ansible.builtin.apt:
    name: "{{ serveur_postfix_paquets }}"
    state: present
    update_cache: true

- name: Assurer le répertoire etc du chroot Postfix
  ansible.builtin.file:
    path: /var/spool/postfix/etc
    state: directory
    owner: root
    group: root
    mode: "0755"

- name: Fournir la résolution de noms au chroot Postfix (plancher /etc/hosts)
  ansible.builtin.copy:
    src: "{{ item }}"
    dest: "/var/spool/postfix{{ item }}"
    remote_src: true
    owner: root
    group: root
    mode: "0644"
  loop:
    - /etc/hosts
    - /etc/resolv.conf
    - /etc/nsswitch.conf
    - /etc/services
  notify: Recharger postfix

# --- Pont de certificat step_ca (déposé par client_pki) ---
- name: TLS — créer le répertoire des certificats
  ansible.builtin.file:
    path: "{{ serveur_postfix_tls_dir }}"
    state: directory
    owner: root
    group: root
    mode: "0755"
  when: serveur_postfix_tls_actif | bool

- name: TLS — déployer le script de synchronisation du certificat
  ansible.builtin.template:
    src: setops-postfix-cert-sync.sh.j2
    dest: /usr/local/sbin/setops-postfix-cert-sync
    owner: root
    group: root
    mode: "0755"
  when: serveur_postfix_tls_actif | bool

- name: TLS — déployer les unités de synchronisation (service + path)
  ansible.builtin.template:
    src: "{{ item.s }}"
    dest: "{{ item.d }}"
    owner: root
    group: root
    mode: "0644"
  loop:
    - { s: "setops-postfix-cert-sync.service.j2", d: "/etc/systemd/system/setops-postfix-cert-sync.service" }
    - { s: "setops-postfix-cert-sync.path.j2", d: "/etc/systemd/system/setops-postfix-cert-sync.path" }
  loop_control:
    label: "{{ item.d | basename }}"
  when: serveur_postfix_tls_actif | bool

- name: TLS — synchroniser le certificat maintenant
  ansible.builtin.command: /usr/local/sbin/setops-postfix-cert-sync
  changed_when: false
  when:
    - serveur_postfix_tls_actif | bool
    - not ansible_check_mode

- name: TLS — activer la surveillance du certificat (renouvellement)
  ansible.builtin.systemd:
    name: setops-postfix-cert-sync.path
    enabled: true
    state: started
    daemon_reload: true
  when:
    - serveur_postfix_tls_actif | bool
    - not ansible_check_mode

- name: TLS — vérifier que le certificat est en place
  ansible.builtin.stat:
    path: "{{ serveur_postfix_tls_dir }}/cert.pem"
  register: serveur_postfix_cert
  when: serveur_postfix_tls_actif | bool

- name: TLS — exiger le certificat (intégration client_pki requise sur ce nœud)
  ansible.builtin.assert:
    that:
      - serveur_postfix_cert.stat.exists | default(false)
    fail_msg: >-
      Aucun certificat step_ca ({{ serveur_postfix_tls_source_cert }}). Le nœud Postfix doit
      porter l'intégration client_pki. Déploie-la, puis relance.      
  when:
    - serveur_postfix_tls_actif | bool
    - not ansible_check_mode

# --- Configuration ---
- name: Déployer la carte LDAP des boîtes
  ansible.builtin.template:
    src: ldap-mailboxes.cf.j2
    dest: /etc/postfix/ldap-mailboxes.cf
    owner: root
    group: postfix
    mode: "0640"
  no_log: true   # contient le mot de passe de bind LDAP
  notify: Recharger postfix

- name: Déployer main.cf
  ansible.builtin.template:
    src: main.cf.j2
    dest: /etc/postfix/main.cf
    owner: root
    group: root
    mode: "0644"
  notify: Recharger postfix

- name: Activer la soumission :587 (clients authentifiés, SASL Dovecot distant)
  ansible.builtin.blockinfile:
    path: /etc/postfix/master.cf
    marker: "# {mark} SETOPS SUBMISSION 587"
    block: |
      submission inet n       -       y       -       -       smtpd
        -o syslog_name=postfix/submission
        -o smtpd_tls_security_level=encrypt
        -o smtpd_sasl_auth_enable=yes
        -o smtpd_sasl_type=dovecot
        -o smtpd_sasl_path=inet:{{ serveur_postfix_sasl_hote }}:{{ serveur_postfix_sasl_port }}
        -o smtpd_sasl_security_options=noanonymous
        -o smtpd_client_restrictions=permit_sasl_authenticated,reject
        -o smtpd_relay_restrictions=permit_sasl_authenticated,reject      
  when: serveur_postfix_submission_actif | bool
  notify: Redémarrer postfix

- name: Valider la configuration Postfix
  ansible.builtin.command: postfix check
  changed_when: false
  when: not ansible_check_mode

- name: Activer et démarrer Postfix
  when: not ansible_check_mode
  ansible.builtin.systemd:
    name: "{{ serveur_postfix_service }}"
    enabled: true
    state: started
    daemon_reload: true