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add transit encryption variable for elasticache cluster resource #64

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add transit encryption variable for elasticache cluster resource #64

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19 changes: 10 additions & 9 deletions main.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -99,15 +99,16 @@ resource "aws_elasticache_parameter_group" "default" {
}

resource "aws_elasticache_cluster" "default" {
count = local.enabled ? 1 : 0
apply_immediately = var.apply_immediately
cluster_id = module.this.id
engine = "memcached"
engine_version = var.engine_version
node_type = var.instance_type
num_cache_nodes = var.cluster_size
parameter_group_name = join("", aws_elasticache_parameter_group.default[*].name)
subnet_group_name = local.elasticache_subnet_group_name
count = local.enabled ? 1 : 0
apply_immediately = var.apply_immediately
cluster_id = module.this.id
engine = "memcached"
engine_version = var.engine_version
node_type = var.instance_type
num_cache_nodes = var.cluster_size
parameter_group_name = join("", aws_elasticache_parameter_group.default[*].name)
transit_encryption_enabled = var.transit_encryption_enabled
subnet_group_name = local.elasticache_subnet_group_name
# It would be nice to remove null or duplicate security group IDs, if there are any, using `compact`,
# but that causes problems, and having duplicates does not seem to cause problems.
# See https://github.com/hashicorp/terraform/issues/29799
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6 changes: 6 additions & 0 deletions variables.tf
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Expand Up @@ -123,3 +123,9 @@ variable "cloudwatch_metric_alarms_enabled" {
description = "Boolean flag to enable/disable CloudWatch metrics alarms"
default = false
}

variable "transit_encryption_enabled" {
type = bool
description = "Boolean flag to enable transit encryption (requires Memcached version 1.6.12+)"
default = false
}