setup wireguard depending on vars

roles/server/tasks/utilities/wireguard.yml

@@ -8,6 +8,20 @@
     cmd: umask 077 && wg genkey | tee privatekey | wg pubkey > publickey
     chdir: /etc/wireguard
     creates: /etc/wireguard/publickey
+  when:
+    - wg_privkey is not defined
+    - wg_pubkey is not defined
+
+- name: server | utilities | wireguard copy keys
+  copy:
+    content: "{{ item.key }}"
+    dest: "{{ item.keyfile }}"
+  loop:
+    - { key: wg_pubkey, keyfile: "/etc/wireguard/publickey" }
+    - { key: wg_privkey, keyfile: "/etc/wireguard/privatekey" }
+  when:
+    - wg_pubkey is defined
+    - wg_privkey is defined
 
 - name: server | utilities | wireguard generate config
   template: