Add redis

terraform/domain.tf

@@ -31,3 +31,11 @@ resource "aws_route53_record" "rds" {
   ttl     = 300
   records = [aws_db_instance.load-test.address]
 }
+
+resource "aws_route53_record" "this" {
+  zone_id = aws_route53_zone.private.zone_id
+  name    = "redis.${aws_route53_zone.private.name}"
+  type    = "CNAME"
+  ttl     = 300
+  records = [aws_elasticache_cluster.load-test.cache_nodes.0.address]
+}

terraform/redis.tf

@@ -0,0 +1,20 @@
+variable "redis_version" {
+  type    = string
+  default = "5.0.5"
+}
+
+resource "aws_elasticache_cluster" "load-test" {
+  cluster_id         = "load-test"
+  engine_version     = var.redis_version
+  engine             = "redis"
+  node_type          = "cache.m5.large"
+  num_cache_nodes    = 1
+  port               = 6379
+  subnet_group_name  = aws_elasticache_subnet_group.load-test.name
+  security_group_ids = [aws_security_group.redis.id]
+}
+
+resource "aws_elasticache_subnet_group" "load-test" {
+  name       = "load-test"
+  subnet_ids = [for s in aws_subnet.private : s.id]
+}

terraform/security_group.tf

@@ -39,3 +39,15 @@ resource "aws_security_group" "rds" {
     security_groups = [aws_security_group.web.id]
   }
 }
+
+resource "aws_security_group" "redis" {
+  name   = "load-test-redis"
+  vpc_id = aws_vpc.this.id
+
+  ingress {
+    from_port       = 6379
+    to_port         = 6379
+    protocol        = "tcp"
+    security_groups = [aws_security_group.web.id]
+  }
+}