Implement Redis Snapshots

Crown-Commercial-Service · Jan 7, 2025 · 57482d2 · 57482d2
1 parent 03bfcd4
commit 57482d2
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Showing 2 changed files with 18 additions and 11 deletions.
diff --git a/resource-groups/elasticache-redis/main.tf b/resource-groups/elasticache-redis/main.tf
@@ -27,17 +27,18 @@ resource "aws_elasticache_replication_group" "rg" {
 }
 
 resource "aws_elasticache_cluster" "cluster" {
-  apply_immediately    = var.elasticache_cluster_apply_immediately
-  cluster_id           = var.cluster_id
-  replication_group_id = var.replication_group_enabled != false ? aws_elasticache_replication_group.rg[0].id : null
-  engine               = var.replication_group_enabled != true ? "redis" : null
-  node_type            = var.replication_group_enabled != true ? var.node_type : null
-  num_cache_nodes      = var.replication_group_enabled != true ? var.num_cache_nodes : null
-  parameter_group_name = var.replication_group_enabled != true ? var.elasticache_cluster_parameter_group_name : null
-  engine_version       = var.replication_group_enabled != true ? var.engine_version : null
-  port                 = var.replication_group_enabled != true ? 6379 : null
-  security_group_ids   = var.replication_group_enabled != true ? [aws_security_group.cluster.id] : null
-  subnet_group_name    = var.replication_group_enabled != true ? aws_elasticache_subnet_group.cluster.name : null
+  apply_immediately         = var.elasticache_cluster_apply_immediately
+  cluster_id                = var.cluster_id
+  replication_group_id      = var.replication_group_enabled != false ? aws_elasticache_replication_group.rg[0].id : null
+  engine                    = var.replication_group_enabled != true ? "redis" : null
+  node_type                 = var.replication_group_enabled != true ? var.node_type : null
+  num_cache_nodes           = var.replication_group_enabled != true ? var.num_cache_nodes : null
+  parameter_group_name      = var.replication_group_enabled != true ? var.elasticache_cluster_parameter_group_name : null
+  engine_version            = var.replication_group_enabled != true ? var.engine_version : null
+  port                      = var.replication_group_enabled != true ? 6379 : null
+  security_group_ids        = var.replication_group_enabled != true ? [aws_security_group.cluster.id] : null
+  snapshot_retention_limit  = var.snapshot_retention_limit
+  subnet_group_name         = var.replication_group_enabled != true ? aws_elasticache_subnet_group.cluster.name : null
 }
 
 locals {

diff --git a/resource-groups/elasticache-redis/variables.tf b/resource-groups/elasticache-redis/variables.tf
@@ -52,6 +52,12 @@ variable "resource_name_prefixes" {
   description = "Prefix to apply to resources in AWS; options provided to satisfy divergent naming requirements across AWS"
 }
 
+variable "snapshot_retention_limit" {
+  type        = string
+  description = "The number of days for which Elasticache will retain automatic cache cluster snapshots before deleting them"
+  default     = 7
+}
+
 variable "subnet_ids" {
   type        = list(string)
   description = "List of IDs of subnets into which to deploy the Elasticache cluster"