keystone service-create --name s3 --type s3 --description 's3 objectstore service'
+-------------+----------------------------------+
|   Property  |              Value               |
+-------------+----------------------------------+
| description | s3 objectstore service           |
| id          | ae83c6c2760740e788f5ae1f4fd80e07 |
| name        | s3                               |
| type        | s3                               |
+-------------+----------------------------------+