WL#14175: Rename and deprecate group_replication_ip_whitelist
Affects: Server-8.0
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Status: Complete
It has been decided to deprecate artefacts using the terminology "whitelist/blacklist" in favour of "allowlist/blocklist". GR has one variable called "group_replication_ip_whitelist" This WL will deprecate "group_replication_ip_whitelist" in favour of a variable called "group_replication_ip_allowlist". The variable name will also be changed in the error message ER_GRP_RPL_GRP_COMMUNICATION_INIT_WITH_CONF and in various file names in the source code. User stories: As a MySQL User/DBA/Operator I want to replace whitelist/blacklist with allowlist/blocklist, so I user a more modern terminology in the product.
FR1: group_replication_ip_whitelist variables must be deprecated and instead new variable group_replication_ip_allowlist must be used with same purpose. Group replication shall emit a warning with the code MY-001287 (ER_WARN_DEPRECATED_SYNTAX) when the user tries to set the value of group_replication_ip_whitelist variables. The warning must also specify alternative option. FR2: On START GROUP_REPLICATION, executed on a client session, the warning will be thrown to the client session with the code MY-001287 (ER_WARN_DEPRECATED_SYNTAX). FR3: When Group Replication starts automatically with the server, the warning will be logged into the error log with the code MY-011068 (ER_DEPRECATED_SYNTAX_WITH_REPLACEMENT).
User Visible Changes ==================== Deprecation warning will be emmited when the user sets the values of group_replication_ip_whitelist option. For example: Warnings: Warning'group_replication_ip_whitelist' is deprecated and will be removed in a future release. Please use group_replication_ip_allowlist instead group_replication_ip_allowlist behavior --------------------------------------- 1. group_replication_ip_allowlist = AUTOMATIC and group_replication_ip_whitelist = AUTOMATIC Value: AUTOMATIC will be used 2. group_replication_ip_allowlist = CHANGED and group_replication_ip_whitelist = AUTOMATIC Value: CHANGED value of `group_replication_ip_allowlist` will be used 3. group_replication_ip_allowlist = AUTOMATIC and group_replication_ip_whitelist = CHANGED Value: CHANGED value of `group_replication_ip_whitelist` will be used 4. group_replication_ip_allowlist = CHANGED and group_replication_ip_whitelist = CHANGED Value: CHANGED value of `group_replication_ip_allowlist` will be used NOTE: AUTOMATIC is default value for both "group_replication_ip_allowlist" and "group_replication_ip_whitelist" variables. Upgrades ======== After using MySQL 8.0.*, the user will get the deprecation warning as described in the previous section for group_replication_ip_whitelist variable. Security ======== There are no security considerations. Observability ============= There are no observability considerations. There is no new functionality added only a new warning is emited. ER_WARN_DEPRECATED_SYNTAX warning will be seen if group_replication_ip_whitelist variable is changed from client. ER_DEPRECATED_SYNTAX_WITH_REPLACEMENT warning will be logged in error log if group_replication_ip_whitelist variable is changed via command line options or configuration file. Upgrade ======= Post upgrade customer will see deprecated warnings for group_replication_ip_whitelist variable. Cross-version Replication ========================= Cross-version replication will not be impacted. Protocol ======== No changes. User Interface ============== No changes. Observability ============= Warning will be seen for group_replication_ip_whitelist variable. Deployment and Installation =========================== No changes.
Existing function push_deprecated_warn or push_warning_printf will be used to throw the warning. LogPluginErr may be used if required based on need.
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