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route53.tf
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data "template_file" "subnet-24s-lists" {
count = length(var.vpc-cidrs)
template = replace(join(",", slice(local.basecount, 0, pow(2,(24 - element(split("/", var.vpc-cidrs[count.index]), 1))))), "A", var.vpc-cidrs[count.index])
}
resource "aws_route53_zone" "reverse_zones" {
count = var.default_reverse_zones ? length( local.route53-zones ) : 0
name = "${element(split(".",element(split("/", cidrsubnet(element(split("|",local.route53-zones[count.index]), 1), (24 - element(split("/", element(split("|",local.route53-zones[count.index]), 1)), 1)), element(split("|",local.route53-zones[count.index]), 0))),0)),2)}.${element(split(".",element(split("/", cidrsubnet(element(split("|",local.route53-zones[count.index]), 1), (24 - element(split("/", element(split("|",local.route53-zones[count.index]), 1)), 1)), element(split("|",local.route53-zones[count.index]), 0))),0)),1)}.${element(split(".",element(split("/", cidrsubnet(element(split("|",local.route53-zones[count.index]), 1), (24 - element(split("/", element(split("|",local.route53-zones[count.index]), 1)), 1)), element(split("|",local.route53-zones[count.index]), 0))),0)),0)}.in-addr.arpa"
vpc {
vpc_id = aws_vpc.main_vpc.id
}
}
data "aws_route53_resolver_rules" "shared_resolver_rule"{
count = var.shared_resolver_rule ? 1 : 0
share_status = "SHARED_WITH_ME"
}
resource "aws_route53_resolver_rule_association" "r53_resolver_rule_association"{
for_each = var.shared_resolver_rule ? zipmap(flatten(data.aws_route53_resolver_rules.shared_resolver_rule.*.resolver_rule_ids), flatten(data.aws_route53_resolver_rules.shared_resolver_rule.*.resolver_rule_ids)) : {}
resolver_rule_id = each.value
vpc_id = aws_vpc.main_vpc.id
}
resource "aws_security_group" "sg-r53ept-inbound" {
count = var.route53_resolver_endpoint || var.route53_outbound_endpoint ? 1 : 0
name = "r53ept-inbound-${var.name-vars["account"]}-${replace(var.region,"-", "")}-${var.name-vars["name"]}"
description = "Allows access to the Route52 Resolver Endpoiny"
vpc_id = aws_vpc.main_vpc.id
ingress {
from_port = 53
to_port = 53
protocol = "tcp"
cidr_blocks = var.route53_resolver_endpoint_cidr_blocks
}
ingress {
from_port = 53
to_port = 53
protocol = "udp"
cidr_blocks = var.route53_resolver_endpoint_cidr_blocks
}
egress {
description = "Allow all outbound"
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
}
tags = merge(
var.tags,
map("Name",format("%s", "sg-r52ept-inbound-${var.name-vars["account"]}-${replace(var.region,"-", "")}-${var.name-vars["name"]}" )),
local.resource-tags["aws_route53_resolver_endpoint"]
)
}
resource "aws_route53_resolver_endpoint" "resolver_endpoint" {
count = var.route53_resolver_endpoint ? 1 : 0
name = "r53ept-inbound-${var.name-vars["account"]}-${replace(var.region,"-", "")}-${var.name-vars["name"]}"
direction = "INBOUND"
security_group_ids = aws_security_group.sg-r53ept-inbound.*.id
dynamic "ip_address" {
for_each = local.map_subnet_id_list[var.route53_resolver_endpoint_subnet]
content {
subnet_id = ip_address.value
}
}
tags = merge(
var.tags,
map("Name",format("%s", "sg-r52ept-inbound-${var.name-vars["account"]}-${replace(var.region,"-", "")}-${var.name-vars["name"]}" )),
local.resource-tags["aws_route53_resolver_endpoint"]
)
}
resource "aws_route53_resolver_endpoint" "outbound_endpoint" {
count = var.route53_outbound_endpoint ? 1 : 0
name = "r53ept-outbound-${var.name-vars["account"]}-${replace(var.region,"-", "")}-${var.name-vars["name"]}"
direction = "OUTBOUND"
security_group_ids = aws_security_group.sg-r53ept-inbound.*.id
dynamic "ip_address" {
for_each = local.map_subnet_id_list[var.route53_resolver_endpoint_subnet]
content {
subnet_id = ip_address.value
}
}
tags = merge(
var.tags,
map("Name",format("%s", "sg-r53ept-outbound-${var.name-vars["account"]}-${replace(var.region,"-", "")}-${var.name-vars["name"]}" )),
local.resource-tags["aws_route53_resolver_endpoint"]
)
}
resource "aws_route53_resolver_rule" "resolver_rule" {
for_each = var.route53_outbound_endpoint ? {for rule in var.forward_rules : rule.domain_name => rule} : {}
domain_name = each.value.domain_name
name = replace(each.value.domain_name,".","_")
rule_type = each.value.rule_type
resolver_endpoint_id = aws_route53_resolver_endpoint.outbound_endpoint.0.id
target_ip {
ip = element(split(",", lookup(each.value.ips, var.region, each.value.ips["us-east-1"])),0)
}
target_ip {
ip = element(split(",", lookup(each.value.ips, var.region, each.value.ips["us-east-1"])),1)
}
tags = var.tags
}
resource "aws_route53_resolver_rule_association" "r53_outbound_rule_association"{
for_each = var.shared_resolver_rule ? aws_route53_resolver_rule.resolver_rule : {}
resolver_rule_id = each.value.id
vpc_id = aws_vpc.main_vpc.id
}