+ # All of these values are optional and will override the values retrieved
+ # by the RC file
+# os_creds_override:
+# username: {user}
+# password: {password}
+# auth_url: {auth_url}
+# project_name: {project_name}
+# identity_api_version: {2|3}
+# network_api_version: {2}
+# compute_api_version: {2}
+# image_api_version: {1|2}
+# user_domain_id: {user_domain_id}
+# project_domain_id: {projects_domain_id}
+# interface: {interface}
+# cacert: {True|False}
+# proxy_settings:
+# host: {proxy_host}
+# port: {proxy_port}
+# ssh_proxy_cmd: {OpenSSH -o ProxyCommand value}