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feat(mysql): support role membership grants - #491
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Add memberOf to cluster-scoped and namespaced MySQL Grants, following the PostgreSQL membership model. Observe direct memberships through MariaDB or MySQL catalogs and grant or revoke only the requested relationship. Leave existing privilege grants unchanged. Include API validation, generated manifests, examples, unit tests, opt-in database integration tests, and MariaDB controller E2E coverage. Signed-off-by: Alex Jurkiewicz <alex@jurkiewi.cz>
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Description of your changes
Support
GRANT <role> TO <user>@<host>for MySQL, following the PostgreSQL model.I want this specifically to support granting AWS_SELECT_S3_ACCESS access to users in AWS Aurora.
This implementation works for MySQL and MariaDB, but there are some subtle differences:
roleandrole@hostspecifiers. The former implies a%host. MariaDB only supportsrolespecifiersmysql.role_edges. MariaDB usesmysql.roles_mappingThe implementation papers over these differences (as long as you don't try to grant
role@hostin MariaDB!).make reviewableto ensure this PR is ready for review.How has this code been tested