Elasticache 생성

Elasticache Instance 생성

Elasticache Instance 생성

• 본 가이드에서는 Redis5.0을 기준으로 인스턴스를 생성하도록 하겠습니다.

• Port는 엔진의 default port가 아닌 다른 port를 사용하실 것을 권장드립니다.

• Elasticache를 생성하면서 동시에 Route53 Record를 생성합니다.

################# Dayone First Redis Cluster ###################
resource "aws_elasticache_replication_group" "dayone_redis_cluster" {
  replication_group_id          = "dayone-cl-${data.terraform_remote_state.vpc.outputs.shard_id}"
  replication_group_description = "dayone redis cluster replica group"
  
  # Change the node type 
  node_type                     = "cache.r5.large"

  # Change the port you want to use 
  port                          = 6379

  # Change the engine version
  engine_version                = "5.0.3"

  # Specify the subnet group we created before
  subnet_group_name             = "subnets-${data.terraform_remote_state.vpc.outputs.shard_id}"

  # Specify the security group for redis elastiscache
  security_group_ids            = [aws_security_group.dayone_redis.id]

  # Specify the parameter group for redis elastiscache
  parameter_group_name          = aws_elasticache_parameter_group.dayone_redis_cluster_pg.name
  automatic_failover_enabled    = true


  # Configuration for cluster mode
  cluster_mode {
    replicas_per_node_group = 1
    num_node_groups         = 1
  }

  tags = {
    Name    = "dayone-redis-cluster"
    project = "dayone"
    role    = "redis"
    billing = data.terraform_remote_state.vpc.outputs.billing_tag
    stack   = data.terraform_remote_state.vpc.outputs.vpc_name
    region  = data.terraform_remote_state.vpc.outputs.aws_region
  }
}

# Route53 Record for elasticache
resource "aws_route53_record" "dayone_redis_cluster" {
  zone_id = data.terraform_remote_state.vpc.outputs.route53_internal_zone_id
  name    = "dayone-redis-cluster.${data.terraform_remote_state.vpc.outputs.route53_internal_domain}"
  type    = "CNAME"
  ttl     = 300
  records = [aws_elasticache_replication_group.dayone_redis_cluster.configuration_endpoint_address]
}
######################################################

결과 확인

• Elasticache 인스턴스가 아래와 같이 생성된 것을 확인하실 수 있습니다.