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add use ipv6 as options #118

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add use ipv6 as options #118

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fc2c5e3
add use ipv6 as options
sergeylanzman Aug 18, 2024
a0fb620
Merge branch 'master' into use_ipv6_as_options
grem11n Nov 4, 2024
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6 changes: 4 additions & 2 deletions locals.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -35,9 +35,9 @@ locals {
# `peer_dest_cidrs` represent CIDR of this VPC, therefore a destination CIDR for peer_vpc
# Destination cidrs for this are in peer and vice versa
this_dest_ipv4_cidrs = toset(compact(length(var.peer_subnets_ids) == 0 ? [data.aws_vpc.peer_vpc.cidr_block] : data.aws_subnet.peer[*].cidr_block))
this_dest_ipv6_cidrs = toset(compact(length(var.peer_subnets_ids) == 0 ? [data.aws_vpc.peer_vpc.ipv6_cidr_block] : data.aws_subnet.peer[*].ipv6_cidr_block))
this_dest_ipv6_cidrs = toset(compact(length(var.peer_subnets_ids) == 0 && var.use_ipv6 ? [data.aws_vpc.peer_vpc.ipv6_cidr_block] : data.aws_subnet.peer[*].ipv6_cidr_block))
peer_dest_ipv4_cidrs = toset(compact(length(var.this_subnets_ids) == 0 ? [data.aws_vpc.this_vpc.cidr_block] : data.aws_subnet.this[*].cidr_block))
peer_dest_ipv6_cidrs = toset(compact(length(var.this_subnets_ids) == 0 ? [data.aws_vpc.this_vpc.ipv6_cidr_block] : data.aws_subnet.this[*].ipv6_cidr_block))
peer_dest_ipv6_cidrs = toset(compact(length(var.this_subnets_ids) == 0 && var.use_ipv6 ? [data.aws_vpc.this_vpc.ipv6_cidr_block] : data.aws_subnet.this[*].ipv6_cidr_block))

# Get associated CIDR blocks
this_associated_dest_cidrs = toset(compact([for k, v in data.aws_vpc.peer_vpc.cidr_block_associations : v.cidr_block]))
Expand Down Expand Up @@ -94,7 +94,9 @@ locals {
create_associated_routes_this = var.from_this && var.from_this_associated
create_associated_routes_peer = var.from_peer && var.from_peer_associated
create_routes_this = var.from_this && !local.create_associated_routes_this
create_routes_this_ipv6 = var.from_this && !local.create_associated_routes_this && var.use_ipv6
create_routes_peer = var.from_peer && !local.create_associated_routes_peer
create_routes_peer_ipv6 = var.from_peer && !local.create_associated_routes_peer && var.use_ipv6

# Build tags
requester_tags = var.name == "" ? merge(
Expand Down
4 changes: 2 additions & 2 deletions main.tf
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Expand Up @@ -61,7 +61,7 @@ resource "aws_route" "this_routes" {
resource "aws_route" "this_ipv6_routes" {
provider = aws.this
# Only create routes for this route table if input dictates it, and in that case, for all combinations
count = local.create_routes_this ? length(local.this_ipv6_routes) : 0
count = local.create_routes_this_ipv6 ? length(local.this_ipv6_routes) : 0
route_table_id = local.this_ipv6_routes[count.index].rts_id
destination_ipv6_cidr_block = local.this_ipv6_routes[count.index].dest_ipv6_cidr
vpc_peering_connection_id = aws_vpc_peering_connection.this.id
Expand Down Expand Up @@ -94,7 +94,7 @@ resource "aws_route" "peer_routes" {
resource "aws_route" "peer_ipv6_routes" {
provider = aws.peer
# Only create routes for peer route table if input dictates it, and in that case, for all combinations
count = local.create_routes_peer ? length(local.peer_ipv6_routes) : 0
count = local.create_routes_peer_ipv6 ? length(local.peer_ipv6_routes) : 0
route_table_id = local.peer_ipv6_routes[count.index].rts_id
destination_ipv6_cidr_block = local.peer_ipv6_routes[count.index].dest_ipv6_cidr
vpc_peering_connection_id = aws_vpc_peering_connection.this.id
Expand Down
6 changes: 6 additions & 0 deletions variables.tf
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Expand Up @@ -87,3 +87,9 @@ variable "peer_rts_ids" {
type = list(string)
default = []
}

variable "use_ipv6" {
description = "If ipv6 should be used"
type = bool
default = true
}
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