Files
Ansible-Bootstrap/roles/configuration/tasks/firewall.yml

35 lines
1.4 KiB
YAML

---
- name: Enable the firewall daemon in the install chroot
when:
- firewall_phase == 'install'
- _configuration_platform.init_system == 'systemd'
- system_cfg.features.firewall.enabled | bool
ansible.builtin.command: "{{ chroot_command }} systemctl enable {{ system_cfg.features.firewall.backend }}"
register: _firewall_enable
changed_when: _firewall_enable.rc == 0
failed_when: >-
_firewall_enable.rc != 0
and 'No such file or directory' not in (_firewall_enable.stderr | default(''))
and 'does not exist' not in (_firewall_enable.stderr | default(''))
# ufw's CLI needs a running kernel and is a no-op in the chroot (leaves ENABLED=no),
# so its activation and SSH rule are applied here, after reboot.
- name: Allow SSH through ufw before enabling
when:
- firewall_phase == 'postreboot'
- system_cfg.features.firewall.backend == 'ufw'
- system_cfg.features.firewall.enabled | bool
- system_cfg.features.ssh.enabled | bool
ansible.builtin.command: ufw allow 22/tcp
register: _ufw_allow
changed_when: "'added' in _ufw_allow.stdout or 'updated' in _ufw_allow.stdout"
- name: Activate ufw on the booted target
when:
- firewall_phase == 'postreboot'
- system_cfg.features.firewall.backend == 'ufw'
- system_cfg.features.firewall.enabled | bool
ansible.builtin.command: ufw --force enable
register: _ufw_enable
changed_when: "'active' in _ufw_enable.stdout"