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vpc-infrastructure-network-acl.tf
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vpc-infrastructure-network-acl.tf
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resource "aws_default_network_acl" "infrastructure" {
count = local.infrastructure_vpc ? 1 : 0
default_network_acl_id = aws_vpc.infrastructure[0].default_network_acl_id
}
resource "aws_network_acl" "infrastructure_public" {
count = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_public ? 1 : 0
vpc_id = aws_vpc.infrastructure[0].id
tags = {
Name = "${local.resource_prefix}-infrastructure-public"
}
}
resource "aws_network_acl" "infrastructure_private" {
count = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_private ? 1 : 0
vpc_id = aws_vpc.infrastructure[0].id
tags = {
Name = "${local.resource_prefix}-infrastructure-private"
}
}
resource "aws_network_acl_association" "infrastructure_public_subnets" {
for_each = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_public ? aws_subnet.infrastructure_public : {}
network_acl_id = aws_network_acl.infrastructure_public[0].id
subnet_id = each.value.id
}
resource "aws_network_acl_association" "infrastructure_private_subnets" {
for_each = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_private ? aws_subnet.infrastructure_private : {}
network_acl_id = aws_network_acl.infrastructure_private[0].id
subnet_id = each.value.id
}
#This will only be used if `infrastructure_vpc_network_acl_egress_lockdown` isn't set
#We would want to allow all traffic for debugging purposes
#tfsec:ignore:aws-ec2-no-excessive-port-access
resource "aws_network_acl_rule" "egress_allow_all_public" {
count = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_public && !local.infrastructure_vpc_network_acl_egress_lockdown_public ? 1 : 0
network_acl_id = aws_network_acl.infrastructure_public[0].id
egress = true
rule_number = 100
rule_action = "allow"
protocol = "-1"
from_port = 0
to_port = 0
cidr_block = "0.0.0.0/0"
}
#tfsec:ignore:aws-ec2-no-excessive-port-access
resource "aws_network_acl_rule" "egress_allow_all_private" {
count = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_private && !local.infrastructure_vpc_network_acl_egress_lockdown_private ? 1 : 0
network_acl_id = aws_network_acl.infrastructure_private[0].id
egress = true
rule_number = 100
rule_action = "allow"
protocol = "-1"
from_port = 0
to_port = 0
cidr_block = "0.0.0.0/0"
}
resource "aws_network_acl_rule" "egress_public" {
count = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_public ? length(local.infrastructure_vpc_network_acl_egress_custom_rules_public) : 0
network_acl_id = aws_network_acl.infrastructure_public[0].id
rule_number = count.index + 1
egress = true
protocol = local.infrastructure_vpc_network_acl_egress_custom_rules_public[count.index]["protocol"]
rule_action = local.infrastructure_vpc_network_acl_egress_custom_rules_public[count.index]["action"]
cidr_block = local.infrastructure_vpc_network_acl_egress_custom_rules_public[count.index]["cidr_block"]
from_port = local.infrastructure_vpc_network_acl_egress_custom_rules_public[count.index]["from_port"]
to_port = local.infrastructure_vpc_network_acl_egress_custom_rules_public[count.index]["to_port"]
}
resource "aws_network_acl_rule" "egress_private" {
count = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_private ? length(local.infrastructure_vpc_network_acl_egress_custom_rules_private) : 0
network_acl_id = aws_network_acl.infrastructure_private[0].id
rule_number = count.index + 1
egress = true
protocol = local.infrastructure_vpc_network_acl_egress_custom_rules_private[count.index]["protocol"]
rule_action = local.infrastructure_vpc_network_acl_egress_custom_rules_private[count.index]["action"]
cidr_block = local.infrastructure_vpc_network_acl_egress_custom_rules_private[count.index]["cidr_block"]
from_port = local.infrastructure_vpc_network_acl_egress_custom_rules_private[count.index]["from_port"]
to_port = local.infrastructure_vpc_network_acl_egress_custom_rules_private[count.index]["to_port"]
}
#This will only be used if `infrastructure_vpc_network_acl_ingress_lockdown` isn't set
#We would want to allow all traffic for debugging purposes
#tfsec:ignore:aws-ec2-no-excessive-port-access tfsec:ignore:aws-ec2-no-public-ingress-acl
resource "aws_network_acl_rule" "ingress_allow_all_public" {
count = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_public && !local.infrastructure_vpc_network_acl_ingress_lockdown_public ? 1 : 0
network_acl_id = aws_network_acl.infrastructure_public[0].id
egress = false
rule_number = 100
rule_action = "allow"
protocol = "-1"
from_port = 0
to_port = 0
cidr_block = "0.0.0.0/0"
}
#tfsec:ignore:aws-ec2-no-excessive-port-access tfsec:ignore:aws-ec2-no-public-ingress-acl
resource "aws_network_acl_rule" "ingress_allow_all_private" {
count = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_private && !local.infrastructure_vpc_network_acl_ingress_lockdown_private ? 1 : 0
network_acl_id = aws_network_acl.infrastructure_private[0].id
egress = false
rule_number = 100
rule_action = "allow"
protocol = "-1"
from_port = 0
to_port = 0
cidr_block = "0.0.0.0/0"
}
resource "aws_network_acl_rule" "ingress_public" {
count = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_public ? length(local.infrastructure_vpc_network_acl_ingress_custom_rules_public) : 0
network_acl_id = aws_network_acl.infrastructure_public[0].id
rule_number = count.index + 1
egress = false
protocol = local.infrastructure_vpc_network_acl_ingress_custom_rules_public[count.index]["protocol"]
rule_action = local.infrastructure_vpc_network_acl_ingress_custom_rules_public[count.index]["action"]
cidr_block = local.infrastructure_vpc_network_acl_ingress_custom_rules_public[count.index]["cidr_block"]
from_port = local.infrastructure_vpc_network_acl_ingress_custom_rules_public[count.index]["from_port"]
to_port = local.infrastructure_vpc_network_acl_ingress_custom_rules_public[count.index]["to_port"]
}
resource "aws_network_acl_rule" "ingress_private" {
count = local.infrastructure_vpc && local.infrastructure_vpc_network_enable_private ? length(local.infrastructure_vpc_network_acl_ingress_custom_rules_private) : 0
network_acl_id = aws_network_acl.infrastructure_private[0].id
rule_number = count.index + 1
egress = false
protocol = local.infrastructure_vpc_network_acl_ingress_custom_rules_private[count.index]["protocol"]
rule_action = local.infrastructure_vpc_network_acl_ingress_custom_rules_private[count.index]["action"]
cidr_block = local.infrastructure_vpc_network_acl_ingress_custom_rules_private[count.index]["cidr_block"]
from_port = local.infrastructure_vpc_network_acl_ingress_custom_rules_private[count.index]["from_port"]
to_port = local.infrastructure_vpc_network_acl_ingress_custom_rules_private[count.index]["to_port"]
}