This repository has been archived by the owner on Sep 30, 2024. It is now read-only.
Adding Region; Prevent cross region failover #884
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Adding Region field in Instance, and a corresponding
region
column indatabase_instance
backend table.Region is a geographic location, of higher level than DataCenter. E.g. an AWS
us-east-1
is a region.The region value is supported by the following new configuration variables:
RegionPattern
: a regexp to extract the region name from the hostname, if possibleDetectRegionQuery
: alternatively, a query which computes the regionPreventCrossRegionMasterFailover
: a failover restriction which only allows failovers within same region as failed master, or else abort promotion of a new master (similar in behavior toPreventCrossDataCenterMasterFailover
)