MySQL Router 8.4
The mysqlrouter_keyring utility is a command line application to manage MySQL Router key rings.
Usage information:
Generic commands
                --help: usage information.
              
                --version: the tool's version.
              
Keyring commands; all commands also accept --master-key-reader and --master-key-writer instead of --master-key-file.
                init: Initialize keyring with a
                master-key-file.
              
Creates a keyring and master-key-file if they do not exist; and adds keyring to master-key-file if it does not yet exist there.
                list: List usernames stored in the
                keyring; or list properties of a user stored in the
                keyring.
              
                get: Get property of user from the
                keyring.
              
                export: Export all entries of the
                keyring as JSON.
              
                set: Add or overwrite account of the
                user in the keyring file
              
                delete: Delete user from the keyring.
              
Master-key commands
                master-key-list: List keyring-ids
                from master-key-file.
              
                master-key-delete: Delete master-key
                from "keyring" from master-key-file.
              
                master-key-rename: Rename keyring-id
                in a master-key-file.
              
Examples:
$> mysqlrouter_keyring init --master-key-file=mysqlrouter.key data/keyring
    
$> mysqlrouter_keyring list --master-key-file=mysqlrouter.key data/keyring
$> mysqlrouter_keyring list --master-key-file=mysqlrouter.key data/keyring user   
$> mysqlrouter_keyring get --master-key-file=mysqlrouter.key data/keyring someuser key
$> mysqlrouter_keyring export --master-key-file=mysqlrouter.key data/keyring
$> mysqlrouter_keyring set --master-key-file=mysqlrouter.key data/keyring user key value
$> mysqlrouter_keyring delete --master-key-file=mysqlrouter.key data/keyring user
$> mysqlrouter_keyring delete --master-key-file=mysqlrouter.key data/keyring user key
$> mysqlrouter_keyring master-key-list --master-key-file=mysqlrouter.key
$> mysqlrouter_keyring master-key-delete --master-key-file=mysqlrouter.key data/keyring 
$> mysqlrouter_keyring master-key-rename --master-key-file=mysqlrouter.key data/keyring other/data/keyring