Fix bug in `SwitchTraffic` that wasn't respecting `--dry_run` for readonly and replica tablets during a resharding event#12992

Merged

mattlord merged 2 commits intovitessio:mainfrom Shopify:austenlacy/respect-dry-run-flag-on-reshard-switchtraffic

Apr 28, 2023

+21-10

Commits on Apr 28, 2023

use switcher struct when switching shard reads during a reshard event
austenLacy
committed
Create failing test for bug reported in vitessio#12992 , where a TrafficSwitch dry run for reads during resharding tries to actually switch reads and fails

rohit-nayak-ps
authored and
austenLacy
committed