"user_data_file": "{{user `cloud_user_data`}}",
"ssh_username": "{{user `ssh_user`}}",
"ssh_proxy_host": "{{user `ssh_proxy_host`}}",
"user_data_file": "{{user `cloud_user_data`}}",
"ssh_username": "{{user `ssh_user`}}",
"ssh_proxy_host": "{{user `ssh_proxy_host`}}",