NAT gateay 생성

[choisungwook]

• 테라폼 사용 모듈
  • aws_eip
  • aws_nat_gateway

[choisungwook]

• nat_gateway생성은 옵션으로

• variables.tf

  variable create_natgw  {
  type        = bool
  default     = false
  description = "nat gateway생성 여부"
  }

• main.tf

  
  resource "aws_eip" "nat_eip" {
  for_each = var.private_subnets
  
  vpc = true
  
  depends_on = [aws_internet_gateway.igw]
  
  tags = {
  Name = "${var.name}-nat"
  }
  }

resource "aws_nat_gateway" "main" { for_each = var.create_natgw ? var.private_subnets: {}

allocation_id = aws_eip.nat_eip[each.key].id subnet_id = aws_subnet.private[each.key].id

tags = { Name = "${var.name}-${each.key}-natgw" }

depends_on = [aws_internet_gateway.igw] }

# 참고자료
* https://www.reddit.com/r/Terraform/comments/fh7ma1/terraform_conditional_if_in_for_each/