Templatize username

group_vars/all.yml

@@ -0,0 +1 @@
+username: "mike"

main.yml

@@ -0,0 +1,4 @@
+- hosts: localhost
+  connection: local
+  roles:
+    - arkenfox

roles/arkenfox/tasks/main.yml

@@ -10,7 +10,7 @@
 
 - name: Get path of default firefox profile
   ansible.builtin.find:
-    paths: "/home/mike/.mozilla/firefox"
+    paths: "/home/{{ username }}/.mozilla/firefox"
     file_type: directory
     patterns: "*default-release"
   register: profile_dir