Move default vars to the explorer role

roles/explorer/defaults/main.yml

@@ -0,0 +1,12 @@
+username: "explorer"
+users:
+  - name: "{{ username }}"
+home: "/home/{{ username }}"
+
+allow_explorer_ssh: true
+allow_explorer_p2p: true
+allow_explorer_http: true
+
+nginx_headers: "off"
+PROXY_PORT: "3000"
+explorerS_SERVER: "localhost"

site.yml

@@ -65,14 +65,6 @@
 
 - hosts: explorer
   become: True
-  vars:
-    nginx_headers: "off"
-    PROXY_PORT: "3000"
-    explorerS_SERVER: "localhost"
-    username: "explorer"
-    users:
-      - name: "explorer"
-    home: "/home/explorer"
   roles:
     - usermanager
     - nodejs