Модель привилегий

CREATE USER IF NOT EXISTS `pcm_scraper` IDENTIFIED WITH bcrypt_hash BY '<bcrypt-hash>';

GRANT SELECT ON `system`.`asynchronous_metric_log` TO `pcm_scraper`;
GRANT SELECT ON `system`.`metric_log` TO `pcm_scraper`;
GRANT SELECT ON `system`.`server_settings` TO `pcm_scraper`;
GRANT SELECT ON `system`.`tables` TO `pcm_scraper`;
GRANT SELECT ON `system`.`warnings` TO `pcm_scraper`;
GRANT SELECT ON `system`.`user_directories` TO `pcm_scraper`;
GRANT READ ON REMOTE TO `pcm_scraper`;
GRANT SYSTEM FLUSH LOGS ON *.* TO `pcm_scraper`;

CREATE USER IF NOT EXISTS `pcm_troubleshooter` IDENTIFIED WITH bcrypt_hash BY '<bcrypt-hash>';

GRANT SELECT ON `system`.`asynchronous_metrics` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`build_options` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`clusters` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`columns` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`databases` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`detached_parts` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`disks` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`events` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`formats` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`functions` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`grants` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`merges` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`metrics` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`mutations` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`parts` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`parts_columns` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`parts_summary` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`processes` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`replicas` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`replication_queue` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`roles` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`settings` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`settings_profile_elements` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`settings_profiles` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`storage_policies` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`table_engines` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`tables` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`users` TO `pcm_troubleshooter`;
GRANT SELECT ON `system`.`user_directories` TO `pcm_troubleshooter`;