# vim: ft=yaml.ansible
# code: language=ansible
---
- name: Move main LAN network to zone 'drop'
  ansible.posix.firewalld:
    zone: drop
    source: 192.168.1.0/24
    permanent: true
    immediate: true
    state: enabled

- name: Move lab network to zone 'dmz'
  ansible.posix.firewalld:
    zone: dmz
    source: 192.168.17.0/24
    permanent: true
    immediate: true
    state: enabled

- name: Move internal network to zone 'internal'
  ansible.posix.firewalld:
    zone: internal
    source: 10.2.0.0/16
    permanent: true
    immediate: true
    state: enabled
  when: hostname in groups['virtualservers']

- name: Default deny incoming connections to SSH port in zone 'dmz'
  ansible.posix.firewalld:
    zone: dmz
    service: ssh
    permanent: true
    immediate: true
    state: disabled

- name: Default deny incoming connections to SSH port in zone 'internal'
  ansible.posix.firewalld:
    zone: internal
    service: ssh
    permanent: true
    immediate: true
    state: disabled
  when: hostname in groups['virtualservers']

# When sapt-labx-ctl01 is deployed
- name: Allow incoming connections from jump host to SSH port in zone 'dmz'
  ansible.posix.firewalld:
    zone: dmz
    source: "{{ hostvars['sapt-labx-ctl01'].ansible_host }}"
    service: ssh
    permanent: true
    immediate: true
    state: enabled
  when: false  # hostname not in groups['control_infra']

# Until sapt-labx-ctl01 is deployed
- name: Allow incoming connections to SSH port in zone 'drop'
  ansible.posix.firewalld:
    zone: drop
    service: ssh
    permanent: true
    immediate: true
    state: enabled
  when: true

- name: Firewall rules for group 'control_infra'
  when: hostname in groups['control_infra']
  block:
    - name: Allow incoming connections to SSH port in zone 'dmz'
      ansible.posix.firewalld:
        zone: dmz
        service: ssh
        permanent: true
        immediate: true
        state: enabled

    - name: Allow incoming connections to DNS port in zones 'drop' and 'dmz'
      ansible.posix.firewalld:
        zone: "{{ item }}"
        service: dns
        permanent: true
        immediate: true
        state: enabled
      loop:
        - drop
        - dmz

- name: Firewall rules for production and staging
  loop:
    - prod
    - stage
  loop_control:
    loop_var: env
  block:
    - name: Allow incoming connections from app servers to PostgreSQL
      ansible.posix.firewalld:
        zone: internal
        source: "{{ hostvars[item].internal_ipv4 }}"
        service: postgresql
        permanent: true
        immediate: true
        state: enabled
      loop: "{{ groups['app_' + env] }}"
      when: hostname in groups['db_' + env]