get https://api.linode.com//databases/mysql/instances//credentials
This operation is currently only available for customers who already have an active Managed Database.
Display the root username and password for an accessible Managed MySQL Database.
The Database must have an active status to perform this operation.
linode-cli databases mysql-creds-view 123
<https://www.linode.com/docs/products/tools/cli/get-started/>
databases:read_only
<https://techdocs.akamai.com/linode-api/reference/get-started#oauth>