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Authority

It is used to set up initial user to login compute node, and authority data of storage node.

Configuration Item Explanation

rules:
  - !AUTHORITY
    users:
      - # Username, authorized host and password for compute node. Format: <username>@<hostname>:<password>, hostname is % or empty string means do not care about authorized host
    provider:
      type: # authority provider for storage node, the default value is ALL_PERMITTED

Example

ALL_PERMITTED

rules:
  - !AUTHORITY
    users:
      - root@localhost:root
      - my_user@:pwd
    provider:
      type: ALL_PERMITTED

SCHEMA_PERMITTED

rules:
  - !AUTHORITY
    users:
      - root@:root
      - my_user@:pwd
    provider:
      type: SCHEMA_PERMITTED
      props:
        user-schema-mappings: root@=sharding_db, root@=test_db, my_user@127.0.0.1=sharding_db

The above configuration means:

  • The user root can access sharding_db when connecting from any host
  • The user root can access test_db when connecting from any host
  • The user my_user can access sharding_db only when connected from 127.0.0.1

Refer to Authority Provider for more implementations.