Start a wireguard role.

ansible/roles/wireguard/tasks/common.yaml

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+- import_tasks: tasks/freebsd.yaml
+  when: 'os_flavor == "freebsd"'
+
+- import_tasks: tasks/linux.yaml
+  when: 'os_flavor == "linux"'
+
+- include_tasks:
+    file: tasks/peruser.yaml
+    apply:
+      become: yes
+      become_user: "{{ initialize_user }}"
+  when: users is defined
+  loop: "{{ users | dict2items | community.general.json_query('[?value.initialize==`true`].key') }}"
+  loop_control:
+    loop_var: initialize_user

ansible/roles/wireguard/tasks/freebsd.yaml

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+- name: Install packages
+  package:
+    name:
+      - wireguard
+    state: present
+
+- name: Configure wireguard
+  copy:
+    src: "{{ item }}"
+    dest: /usr/local/etc/wireguard/
+    mode: 0440
+    owner: root
+    group: root
+  with_fileglob: "files/wireguard_configs/{{ wireguard_directory }}/*.conf"
+
+- name: Enable Wireguard
+  when: enabled_wireguard is defined
+  systemd:
+    enabled: yes
+    name: "wg-quick@{{ item }}"
+    daemon_reload: yes
+  loop: "{{ enabled_wireguard }}"
+
+- name: Enable gateway
+  when: wireguard_gateway is defined and wireguard_gateway == true
+  community.general.sysrc:
+    name: "{{ item }}"
+    value: "YES"
+    path: /etc/rc.conf.d/routing
+  loop:
+    - gateway_enable
+    - ipv6_gateway_enable
+
+- name: Enable wireguard service
+  when: enabled_wireguard is defined
+  community.general.sysrc:
+    name: wireguard_enable
+    value: "YES"
+    path: /etc/rc.conf.d/wireguard
+
+- name: Disable wireguard service
+  when: enabled_wireguard is not defined
+  community.general.sysrc:
+    name: wireguard_enable
+    value: "NO"
+    path: /etc/rc.conf.d/wireguard
+
+- name: Set enabled wireguard list
+  when: enabled_wireguard is defined
+  community.general.sysrc:
+    name: wireguard_interfaces
+    value: "{{ enabled_wireguard|join(' ') }}"
+    path: /etc/rc.conf.d/wireguard

ansible/roles/wireguard/tasks/linux.yaml

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+- name: Install packages
+  package:
+    name:
+      - wireguard-tools
+      - qrencode # For generating qr codes to send to phone with `qrencode -t ansiutf8 -r <config_file>`
+      - systemd-resolvconf # For wg-quick to regenerate resolv.conf
+    state: present
+
+- name: Configure wireguard
+  copy:
+    src: "{{ item }}"
+    dest: /etc/wireguard/
+    mode: 0440
+    owner: root
+    group: root
+  with_fileglob: "files/wireguard_configs/{{ wireguard_directory }}/*.conf"
+
+- name: Enable Wireguard
+  when: enabled_wireguard is defined
+  systemd:
+    enabled: yes
+    name: "wg-quick@{{ item }}"
+    daemon_reload: yes
+  loop: "{{ enabled_wireguard }}"

ansible/roles/wireguard/tasks/main.yaml

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+- import_tasks: tasks/common.yaml
+  when: wireguard_directory is defined

ansible/roles/wireguard/tasks/peruser.yaml

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+- include_role:
+    name: per_user
+
+# - name: Create directories
+#   file:
+#     name: "{{ account_homedir.stdout }}/{{ item }}"
+#     state: directory
+#     mode: 0700
+#     owner: "{{ account_name.stdout }}"
+#     group: "{{ group_name.stdout }}"
+#   loop:
+#     - ".config/foo"
+
+# - name: Copy files
+#   copy:
+#     src: "files/{{ item.src }}"
+#     dest: "{{ account_homedir.stdout }}/{{ item.dest }}"
+#     mode: 0600
+#     owner: "{{ account_name.stdout }}"
+#     group: "{{ group_name.stdout }}"
+#   loop:
+#     - src: foo.conf
+#       dest: .config/foo/foo.conf
+
+- import_tasks: tasks/peruser_freebsd.yaml
+  when: 'os_flavor == "freebsd"'
+
+- import_tasks: tasks/peruser_linux.yaml
+  when: 'os_flavor == "linux"'