Changing S3 user keys radosgw-admin

First thing is to check the current user info with the radosgw-admin tool.

# radosgw-admin --uid <userid> user info

Example,:

root@burnupi03:/home/ubuntu# radosgw-admin --uid johndoe user info
{ "user_id": "johndoe",
  "display_name": "johndoe",
  "email": "",
  "suspended": 0,
  "max_buckets": 1000,
  "auid": 0,
  "subusers": [],
  "keys": [...