use cidr_block_associations to add additional cidr_blocks to the rout…

…es (#6)

* use cidr_block_associations to add additional cidr_blocks to the routes

* Run terraform fmt > add last newline to main.tf

main.tf

@@ -65,18 +65,18 @@ data "aws_route_table" "acceptor" {
 
 # Create routes from requestor to acceptor
 resource "aws_route" "requestor" {
-  count                     = "${var.enabled == "true" ? length(distinct(sort(data.aws_route_table.requestor.*.route_table_id))) : 0}"
-  route_table_id            = "${element(distinct(sort(data.aws_route_table.requestor.*.route_table_id)), count.index)}"
-  destination_cidr_block    = "${data.aws_vpc.acceptor.cidr_block}"
+  count                     = "${var.enabled == "true" ? length(distinct(sort(data.aws_route_table.requestor.*.route_table_id))) * length(data.aws_vpc.acceptor.cidr_block_associations) : 0}"
+  route_table_id            = "${element(distinct(sort(data.aws_route_table.requestor.*.route_table_id)), (ceil(count.index / (length(data.aws_vpc.acceptor.cidr_block_associations)))))}"
+  destination_cidr_block    = "${lookup(data.aws_vpc.acceptor.cidr_block_associations[count.index % (length(data.aws_vpc.acceptor.cidr_block_associations))], "cidr_block")}"
   vpc_peering_connection_id = "${aws_vpc_peering_connection.default.id}"
   depends_on                = ["data.aws_route_table.requestor", "aws_vpc_peering_connection.default"]
 }
 
 # Create routes from acceptor to requestor
 resource "aws_route" "acceptor" {
-  count                     = "${var.enabled == "true" ? length(distinct(sort(data.aws_route_table.acceptor.*.route_table_id))) : 0}"
-  route_table_id            = "${element(distinct(sort(data.aws_route_table.acceptor.*.route_table_id)), count.index)}"
-  destination_cidr_block    = "${data.aws_vpc.requestor.cidr_block}"
+  count                     = "${var.enabled == "true" ? length(distinct(sort(data.aws_route_table.acceptor.*.route_table_id))) * length(data.aws_vpc.requestor.cidr_block_associations) : 0}"
+  route_table_id            = "${element(distinct(sort(data.aws_route_table.acceptor.*.route_table_id)), ceil(count.index / (length(data.aws_vpc.requestor.cidr_block_associations))))}"
+  destination_cidr_block    = "${lookup(data.aws_vpc.requestor.cidr_block_associations[count.index % (length(data.aws_vpc.requestor.cidr_block_associations))], "cidr_block")}"
   vpc_peering_connection_id = "${aws_vpc_peering_connection.default.id}"
   depends_on                = ["data.aws_route_table.acceptor", "aws_vpc_peering_connection.default"]
 }