[SERVER-80080] Feature Flag Upgrade/Downgrade Testing Created: 15/Aug/23  Updated: 17/Nov/23  Resolved: 17/Nov/23

Status: Closed
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: 7.3.0-rc0

Type: Task Priority: Major - P3
Reporter: PM Bot Assignee: Damian Wasilewicz
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Issue split
split to SERVER-82590 [7.0 Only] Feature Flag Upgrade/Downg... Closed
Related
related to SERVER-78202 Investigate failing timeseries tests ... Backlog
Assigned Teams:
Storage Execution NAMER
Backwards Compatibility: Fully Compatible
Sprint: Execution Team 2023-11-27
Participants:

 Description   

If this project includes a feature flag, please complete all upgrade/downgrade testing as part of this ticket.

1. Test how the feature behaves when upgrading FCV turns the feature on
2. Test that the correct behavior occurs when downgrading FCV completely and then upgrading FCV completely
3. Test that the correct feature behavior occurs if the FCV downgrade fails after only reaching the `downgrading` FCV state and then FCV is fully upgraded again
4. Test that anything added by this project to the setFCV command must be idempotent/retryable.


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