BAU: Add snapshot retention window to Redis cache

The snapshot retention window for the AWS::ElastiCache::ReplicationGroup is 0 by default and therefore not enabled. This sets the window to 7 days retention so we have data backups and dynamically sets the SnapshottingClusterId variable to the correct one in each environment.
communitiesuk · Feb 17, 2025 · 3870a2e · 3870a2e
1 parent 17d4891
commit 3870a2e
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/copilot/fsd-form-runner-adapter/addons/form-runner-data.yml b/copilot/fsd-form-runner-adapter/addons/form-runner-data.yml
@@ -69,6 +69,8 @@ Resources:
         - !GetAtt "FormRunnerAdapterRedisSecurityGroup.GroupId"
       Engine: redis
       NumCacheClusters: 2
+      SnapshotRetentionLimit: 7
+      SnapshottingClusterId: !Sub '${FormRunnerAdapterRedisReplicationGroup.PrimaryClusterId}-001'
 
   # Redis endpoint stored in SSM so that other services can retrieve the endpoint.
   FormRunnerAdapterRedisEndpointAddressParam: