Clément Désiles
8756eb1183
- smartctl_exporter (disks), fail2ban exporter, wireguard exporter - grafana dashboards for each exporter - prometheus: firewall source rules, honor_labels/params scrape config - node_exporter: zfs collector - wireguard: nftables dep, resolvconf wrapper, reload fix - remove superseded monitoring role
77 lines
2.0 KiB
YAML
77 lines
2.0 KiB
YAML
---
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# see: https://wiki.archlinux.org/title/Fail2ban
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- name: Install fail2ban
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ansible.builtin.package:
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name: fail2ban
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state: present
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- name: Ensure fail2ban configuration is only owned by root
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ansible.builtin.file:
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path: /etc/fail2ban
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owner: root
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group: root
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mode: "0700"
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recurse: true
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- name: Deploy fail2ban main config override (log to journald)
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ansible.builtin.template:
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src: fail2ban.local.j2
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dest: /etc/fail2ban/fail2ban.local
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mode: "0600"
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notify: Restart fail2ban
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- name: Install Fail2ban Config
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block:
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- name: General configuration
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ansible.builtin.template:
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src: jail.local.j2
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dest: /etc/fail2ban/jail.local
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mode: "0600"
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- name: Service custom jail
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ansible.builtin.template:
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src: "{{ item.src }}"
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dest: "{{ item.dest }}"
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mode: "0600"
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loop:
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- { src: sshd-jail.local.j2, dest: /etc/fail2ban/jail.d/sshd.local }
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- { src: nginx-jail.local.j2, dest: /etc/fail2ban/jail.d/nginx.local }
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- name: Service hardening (read-only root rights)
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block:
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- name: Create configuration directory
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ansible.builtin.file:
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path: /etc/systemd/system/fail2ban.service.d
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state: directory
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owner: root
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group: root
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mode: "0700"
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- name: Apply hardening configuration
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ansible.builtin.template:
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src: hardened.fail2ban.conf.j2
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dest: /etc/systemd/system/fail2ban.service.d/override.conf
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owner: root
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group: root
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mode: "0644"
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notify: Restart fail2ban
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- name: Enable UFW
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community.general.ufw:
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state: enabled
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- name: Enable UFW service at startup
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ansible.builtin.systemd:
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name: ufw
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enabled: true
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state: started
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- name: Start and enable fail2ban
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ansible.builtin.service:
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name: fail2ban
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state: started
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enabled: true
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- name: Deploy Prometheus fail2ban exporter
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ansible.builtin.include_tasks: exporter.yml
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when: fail2ban_exporter_enabled | bool
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