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feat: Allow the creation of prefix-list rules, passing in unique prefix list IDs on a per rule basis #318

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31 changes: 25 additions & 6 deletions main.tf
Expand Up @@ -437,7 +437,12 @@ resource "aws_security_group_rule" "ingress_with_prefix_list_ids" {
security_group_id = local.this_sg_id
type = "ingress"

prefix_list_ids = var.ingress_prefix_list_ids
prefix_list_ids = lookup(
var.ingress_with_prefix_list_ids[count.index], "include_base_prefix_list_ids", true
) ? concat(
var.ingress_prefix_list_ids, lookup(var.ingress_with_prefix_list_ids[count.index]["prefix_list_ids"], [])
) : lookup(var.ingress_with_prefix_list_ids[count.index]["prefix_list_ids"], [])

description = lookup(
var.ingress_with_prefix_list_ids[count.index],
"description",
Expand Down Expand Up @@ -468,7 +473,12 @@ resource "aws_security_group_rule" "computed_ingress_with_prefix_list_ids" {
security_group_id = local.this_sg_id
type = "ingress"

prefix_list_ids = var.ingress_prefix_list_ids
prefix_list_ids = lookup(
var.ingress_with_prefix_list_ids[count.index], "include_base_prefix_list_ids", true
) ? concat(
var.ingress_prefix_list_ids, lookup(var.ingress_with_prefix_list_ids[count.index]["prefix_list_ids"], [])
) : lookup(var.ingress_with_prefix_list_ids[count.index]["prefix_list_ids"], [])

description = lookup(
var.ingress_with_prefix_list_ids[count.index],
"description",
Expand Down Expand Up @@ -875,7 +885,12 @@ resource "aws_security_group_rule" "egress_with_prefix_list_ids" {
security_group_id = local.this_sg_id
type = "egress"

prefix_list_ids = var.egress_prefix_list_ids
prefix_list_ids = lookup(
var.egress_with_prefix_list_ids[count.index], "include_base_prefix_list_ids", true
) ? concat(
var.egress_prefix_list_ids, lookup(var.egress_with_prefix_list_ids[count.index]["prefix_list_ids"], [])
) : lookup(var.egress_with_prefix_list_ids[count.index]["prefix_list_ids"], [])

description = lookup(
var.egress_with_prefix_list_ids[count.index],
"description",
Expand Down Expand Up @@ -911,15 +926,19 @@ resource "aws_security_group_rule" "egress_with_prefix_list_ids" {
)
}

# Computed - Security group rules with "source_security_group_id", but without "cidr_blocks", "self" or "source_security_group_id"
# Computed - Security group rules with "egress_prefix_list_ids", but without "cidr_blocks", "self" or "source_security_group_id"
resource "aws_security_group_rule" "computed_egress_with_prefix_list_ids" {
count = var.create ? var.number_of_computed_egress_with_prefix_list_ids : 0

security_group_id = local.this_sg_id
type = "egress"

source_security_group_id = var.computed_egress_with_prefix_list_ids[count.index]["source_security_group_id"]
prefix_list_ids = var.egress_prefix_list_ids
prefix_list_ids = lookup(
var.egress_with_prefix_list_ids[count.index], "include_base_prefix_list_ids", true
) ? concat(
var.egress_prefix_list_ids, lookup(var.egress_with_prefix_list_ids[count.index]["prefix_list_ids"], [])
) : lookup(var.egress_with_prefix_list_ids[count.index]["prefix_list_ids"], [])

description = lookup(
var.computed_egress_with_prefix_list_ids[count.index],
"description",
Expand Down