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private.tf
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private.tf
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locals {
private_count = var.enabled == "true" && var.type == "private" ? length(var.availability_zones) : 0
private_route_count = length(var.az_ngw_ids)
}
module "private_label" {
source = "git::https://github.com/ceibo-it/terraform-null-label.git?ref=tags/0.0.1"
namespace = var.namespace
name = var.name
stage = var.stage
delimiter = var.delimiter
tags = var.tags
attributes = compact(concat(var.attributes, ["private"]))
enabled = var.enabled
}
resource "aws_subnet" "private" {
count = local.private_count
vpc_id = var.vpc_id
availability_zone = var.availability_zones[count.index]
cidr_block = var.cidr_blocks[count.index]
tags = merge(
module.private_label.tags,
{
"Name" = "${module.private_label.id}${var.delimiter}${element(var.availability_zones, count.index)}"
"AZ" = var.availability_zones[count.index]
"Type" = var.type
},
)
}
resource "aws_network_acl" "private" {
count = var.enabled && var.type == "private" && var.private_network_acl_id == "" ? 1 : 0
vpc_id = var.vpc_id
subnet_ids = aws_subnet.private.*.id
dynamic "egress" {
for_each = var.private_network_acl_egress
content {
action = lookup(egress.value, "action", null)
cidr_block = lookup(egress.value, "cidr_block", null)
from_port = lookup(egress.value, "from_port", null)
icmp_code = lookup(egress.value, "icmp_code", null)
icmp_type = lookup(egress.value, "icmp_type", null)
ipv6_cidr_block = lookup(egress.value, "ipv6_cidr_block", null)
protocol = lookup(egress.value, "protocol", null)
rule_no = lookup(egress.value, "rule_no", null)
to_port = lookup(egress.value, "to_port", null)
}
}
dynamic "ingress" {
for_each = var.private_network_acl_ingress
content {
action = lookup(ingress.value, "action", null)
cidr_block = lookup(ingress.value, "cidr_block", null)
from_port = lookup(ingress.value, "from_port", null)
icmp_code = lookup(ingress.value, "icmp_code", null)
icmp_type = lookup(ingress.value, "icmp_type", null)
ipv6_cidr_block = lookup(ingress.value, "ipv6_cidr_block", null)
protocol = lookup(ingress.value, "protocol", null)
rule_no = lookup(ingress.value, "rule_no", null)
to_port = lookup(ingress.value, "to_port", null)
}
}
tags = module.private_label.tags
depends_on = [aws_subnet.private]
}
resource "aws_route_table" "private" {
count = local.private_count
vpc_id = var.vpc_id
tags = merge(
module.private_label.tags,
{
"Name" = "${module.private_label.id}${var.delimiter}${element(var.availability_zones, count.index)}"
"AZ" = element(var.availability_zones, count.index)
"Type" = var.type
},
)
}
resource "aws_route_table_association" "private" {
count = local.private_count
subnet_id = element(aws_subnet.private.*.id, count.index)
route_table_id = element(aws_route_table.private.*.id, count.index)
depends_on = [
aws_subnet.private,
aws_route_table.private,
]
}
resource "aws_route" "default" {
count = local.private_route_count
route_table_id = zipmap(
var.availability_zones,
matchkeys(
aws_route_table.private.*.id,
aws_route_table.private.*.tags.AZ,
var.availability_zones,
),
)[element(keys(var.az_ngw_ids), count.index)]
nat_gateway_id = var.az_ngw_ids[element(keys(var.az_ngw_ids), count.index)]
destination_cidr_block = "0.0.0.0/0"
depends_on = [aws_route_table.private]
}