boma/roles/base/molecule/default/verify.yml

---
- name: Verify
  hosts: all
  become: true
  gather_facts: false
  tasks:
    - name: Read the rendered ruleset
      ansible.builtin.slurp:
        src: /etc/nftables.conf
      register: ruleset

    - name: Decode it
      ansible.builtin.set_fact:
        nft: "{{ ruleset.content | b64decode }}"

    - name: Assert default-deny input policy and management plane
      ansible.builtin.assert:
        that:
          - "'type filter hook input priority 0; policy drop;' in nft"
          - "'ct state established,related accept' in nft"
          - "'iifname \"wt0\" tcp dport 22 accept' in nft"
          - "'ip saddr 10.10.0.99 tcp dport 22 accept' in nft"
        fail_msg: >-
          input chain is missing default-deny, the wt0 SSH allow,
          or the ssh-from-control management-plane rule

    - name: Assert the lan->reverse_proxy:443 ingress rule (zone source)
      ansible.builtin.assert:
        that:
          - "'10.30.0.0/24' in nft"
          - "'tcp dport 443 accept' in nft"
        fail_msg: "missing lan->443 rule for reverse_proxy"

    - name: Assert the srv->photoprism:2342 ingress rule (zone source)
      ansible.builtin.assert:
        that:
          - "'10.20.0.0/24' in nft"
          - "'tcp dport 2342 accept' in nft"
        fail_msg: "missing srv->2342 rule for photoprism"

    - name: Assert the docker_host extension hook is present
      ansible.builtin.assert:
        that:
          - "'include \"/etc/nftables.d/*.nft\"' in nft"
        fail_msg: "missing drop-in include hook"

    - name: Syntax-check the rendered ruleset (no apply)
      ansible.builtin.command: nft -c -f /etc/nftables.conf
      changed_when: false

    - name: Sshd drop-in present and config valid
      ansible.builtin.command: sshd -t
      changed_when: false
      tags: [verify]

    - name: PasswordAuthentication is disabled
      ansible.builtin.command: grep -q '^PasswordAuthentication no' /etc/ssh/sshd_config.d/10-boma.conf
      changed_when: false
      tags: [verify]

    - name: Fail2ban sshd jail configured
      ansible.builtin.command: grep -q '^\[sshd\]' /etc/fail2ban/jail.d/sshd.local
      changed_when: false
      tags: [verify]