fix runonce script for .Renviron

ansible/roles/win_domain_controller/vars/main.yml

@@ -13,6 +13,9 @@ study_data_dfs: \\{{ win_project }}\{{ share_name }}
 study_data_label: Study Data
 study_data_letter: S
 
+proxy_vm: "{{ os_project }}-{{ win_project }}-proxy"
+proxy_address: "{{ hostvars[proxy_vm].ansible_host }}:3128"
+
 OUs:
   - Project Users
   - Project Groups