Add fail2ban role and clean up yaml lint noise

roles/ensure_fail2ban/tasks/main.yml

@@ -0,0 +1,130 @@
+---
+# tasks file for ensure_fail2ban
+- name: include variables
+  when: ["ansible_facts[\"system\"] == 'Linux'"]
+  ansible.builtin.include_vars:
+    file: '{{ lookup("first_found", findme) }}'
+    name: ensure_fail2ban
+  vars:
+    findme:
+      files:
+        - '{{ ansible_facts["distribution"] }}-{{ ansible_facts["distribution_major_version"]
+          }}-{{ ansible_facts["architecture"] }}.yml'
+        - '{{ ansible_facts["distribution"] }}-{{ ansible_facts["distribution_major_version"]
+          }}-default.yml'
+        - '{{ ansible_facts["distribution"] }}-default.yml'
+        - '{{ ansible_facts["os_family"] }}-{{ ansible_facts["distribution_major_version"]
+          }}-{{ ansible_facts["architecture"] }}.yml'
+        - '{{ ansible_facts["os_family"] }}-{{ ansible_facts["distribution_major_version"]
+          }}-default.yml'
+        - '{{ ansible_facts["os_family"] }}-default.yml'
+        - default.yml
+      paths: [../vars/]
+      errors: ignore
+- name: package discovery
+  when:
+    - ansible_facts["system"] == 'Linux'
+    - ansible_facts["packages"] is not defined
+  ansible.builtin.package_facts:
+- name: service discovery
+  when:
+    - ansible_facts["system"] == 'Linux'
+    - ansible_facts["services"] is not defined
+  ansible.builtin.service_facts:
+- name: ensure packages
+  when:
+    - ansible_facts["system"] == 'Linux'
+    - ensure_fail2ban is defined
+    - ensure_fail2ban.package_list is defined
+    - ensure_fail2ban.package_list is iterable
+  ansible.builtin.package:
+    name: '{{ item.name }}'
+    state: '{{ item.state }}'
+  loop: '{{ ensure_fail2ban.package_list }}'
+  loop_control:
+    label: '{{ item.name }} will be {{ item.state }}'
+  notify: [ensure_fail2ban.package_facts, ensure_fail2ban.service_facts]
+- name: ensure configurations
+  when:
+    - ansible_facts["system"] == 'Linux'
+    - ensure_fail2ban is defined
+    - ensure_fail2ban.template_list is defined
+    - ensure_fail2ban.template_list is iterable
+  ansible.builtin.template:
+    backup: 'no'
+    dest: '{{ item.dest }}'
+    group: '{{ item.group | default(omit) }}'
+    mode: '{{ item.mode | default(omit) }}'
+    owner: '{{ item.owner | default(omit) }}'
+    selevel: '{{ item.selevel | default(omit) }}'
+    serole: '{{ item.serole | default(omit) }}'
+    setype: '{{ item.setype | default(omit) }}'
+    seuser: '{{ item.seuser | default(omit) }}'
+    src: '{{ item.src }}'
+  loop: '{{ ensure_fail2ban.template_list }}'
+  loop_control:
+    label: '{{ item.dest }} will be ensured'
+  notify:
+    - ensure_fail2ban.package_facts
+    - ensure_fail2ban.service_facts
+    - ensure_fail2ban.service_reload
+    - ensure_fail2ban.service_restart
+- name: ensure services
+  when:
+    - ansible_facts["system"] == 'Linux'
+    - ensure_fail2ban is defined
+    - ensure_fail2ban.service_list is defined
+    - ensure_fail2ban.service_list is iterable
+  ansible.builtin.service:
+    enabled: '{{ item.enabled }}'
+    name: '{{ item.name }}'
+    state: '{{ item.state }}'
+  loop: '{{ ensure_fail2ban.service_list }}'
+  loop_control:
+    label: '{{ item.name }} will be {{ item.state }}'
+  notify: [ensure_fail2ban.package_facts, ensure_fail2ban.service_facts]
+- name: Ensure SELinux is configured
+  when:
+    - ansible_facts["system"] == 'Linux'
+    - ensure_fail2ban is defined
+    - ensure_fail2ban.selinux_policy is defined
+    - ensure_fail2ban.selinux_state is defined
+  ansible.posix.selinux:
+    policy: '{{ ensure_fail2ban.selinux_policy }}'
+    state: '{{ ensure_fail2ban.selinux_state }}'
+  register: ensure_fail2ban_results
+  notify:
+    - ensure_fail2ban.package_facts
+    - ensure_fail2ban.service_facts
+    - ensure_fail2ban.service_reload
+    - ensure_fail2ban.service_restart
+- name: Reboot if required
+  when:
+    - ansible_facts["system"] == 'Linux'
+    - ensure_fail2ban is defined
+    - ensure_fail2ban.selinux_policy is defined
+    - ensure_fail2ban.selinux_state is defined
+    - ensure_fail2ban_results is defined
+    - ensure_fail2ban_results.reboot_required is defined
+    - ensure_fail2ban_results.reboot_required
+  ansible.builtin.reboot:
+- name: ensure seboolean
+  when:
+    - ansible_facts["system"] == 'Linux'
+    - ensure_fail2ban is defined
+    - ensure_fail2ban.seboolean_list is defined
+    - ensure_fail2ban.seboolean_list is iterable
+  ansible.posix.seboolean:
+    name: '{{ item.name }}'
+    persistent: '{{ item.persistent }}'
+    state: '{{ item.state }}'
+  loop: '{{ ensure_fail2ban.seboolean_list }}'
+  loop_control:
+    label: '{{ item.name }} will be {{ item.state }}'
+  notify:
+    - ensure_fail2ban.package_facts
+    - ensure_fail2ban.service_facts
+    - ensure_fail2ban.service_reload
+    - ensure_fail2ban.service_restart
+- name: flush handlers
+  ansible.builtin.meta: flush_handlers