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2.23.0.0-b661

2.23.0.0-b661: [#9797] YSQL: Stubs for ysql major version upgrade RPCs
@foucher foucher tagged this 31 Jul 17:07 
Summary:
The pg15-upgrade branch has implementations of 3 RPCs needed for the YSQL major version upgrade:
 * StartYsqlMajorVersionUpgradeInitdb
 * IsYsqlMajorVersionUpgradeInitdbDone
 * RollbackYsqlMajorVersionUpgrade

In order to facilitate integration with tools such as YBA, add stubs for these methods to the master branch.

Upgrade/Downgrade safety:
No issues. New, unimplemented interface.

Jira: DB-1591

Test Plan:
Jenkins

Using a recent pg15-upgrade build, manually run:
  yb-admin ysql_major_version_upgrade_initdb
  yb-admin rollback_ysql_major_version_upgrade

Verify it shows something like the following errors:
  Error running ysql_major_version_upgrade_initdb: Not implemented (yb/master/catalog_manager.cc:3281): Unable to run initdb for ysql major version upgrade: Ysql major version upgrade is not supported
  Error running rollback_ysql_major_version_upgrade: Not implemented (yb/master/catalog_manager.cc:3294): Unable to roll back ysql major version upgrade: Ysql major version upgrade is not supported

Note yb-admin doesn't have a command for IsYsqlMajorVersionUpgradeInitdbDone because it implements its own blocking on the pg15-upgrade branch, but the code is similar for the 3 RPCs.

Reviewers: hsunder

Reviewed By: hsunder

Subscribers: vbansal, ybase, yql

Differential Revision: https://phorge.dev.yugabyte.com/D36940
Assets 2
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