acMmQ076

1vpc_peering.tf:
2data "terraform_remote_state" "vpc_mgmt" {
3    backend = "consul"
4    config {
5        address = "consul.demo.net"
6        path    = "${var.team}/${var.region}/mgmt/vpc-mgmt"
7        scheme  = "https"
8    }
9}
10
11data "terraform_remote_state" "vpc_qa" {
12    backend = "consul"
13    config {
14        address = "consul.demo.net"
15        path    = "${var.team}/${var.region}/qa/vpc-qa"
16        scheme  = "https"
17    }
18}
19
20module "use1_mgmt_to_qa_vpc_peering" {
21  source            = "terraform-modules//vpc_peering"
22  vpc_peering_name  = "mgmt-to-qa-us-east-1"
23  vpc_peering_owner = "demo"
24  dest_cidr_block   = "${data.terraform_remote_state.vpc_qa.vpc_cidr_block}"
25  dest_vpc_id       = "${data.terraform_remote_state.vpc_qa.vpc_id}"
26  src_cidr_block    = "${data.terraform_remote_state.vpc_mgmt.vpc_cidr_block}"
27  src_vpc_id        = "${data.terraform_remote_state.vpc_mgmt.vpc_id}"
28
29  dest_public_route_table_id = "${data.terraform_remote_state.vpc_qa.public_route_table_id}"
30  dest_nat_route_table_ids   = "${data.terraform_remote_state.vpc_qa.nat_route_table_ids}"
31
32  src_public_route_table_id = "${data.terraform_remote_state.vpc_mgmt.public_route_table_id}"
33  src_nat_route_table_ids   = "${data.terraform_remote_state.vpc_mgmt.nat_route_table_ids}"
34
35  access_key          = "${var.access_key}"
36  secret_key          = "${var.secret_key}"
37  region              = "${var.region}"
38}
39
40vpc_peering module main.tf:
41provider "aws" {
42  access_key = "${var.access_key}"
43  secret_key = "${var.secret_key}"
44  region     = "${var.region}"
45}
46
47resource "aws_vpc_peering_connection" "vpc_peering_connection" {
48  peer_vpc_id = "${var.dest_vpc_id}"
49  vpc_id = "${var.src_vpc_id}"
50  auto_accept = true
51  accepter {
52    allow_remote_vpc_dns_resolution = true
53  }
54  requester {
55    allow_remote_vpc_dns_resolution = true
56  }
57  tags {
58    Name  = "${var.vpc_peering_name}"
59    Owner = "${var.vpc_peering_owner}"
60  }
61}
62
63# Source route additions
64resource "aws_route" "public_src_to_dest_public_route" {
65  destination_cidr_block    = "${var.dest_cidr_block}"
66  route_table_id            = "${var.src_public_route_table_id}"
67  vpc_peering_connection_id = "${aws_vpc_peering_connection.vpc_peering_connection.id}"
68}
69
70resource "aws_route" "public_src_to_dest_nat_route" {
71  count                     = "${length(split(",", var.src_nat_route_table_ids))}"
72  destination_cidr_block    = "${var.dest_cidr_block}"
73  route_table_id            = "${element(split(",", var.src_nat_route_table_ids), count.index)}"
74  vpc_peering_connection_id = "${aws_vpc_peering_connection.vpc_peering_connection.id}"
75}
76
77# Destination route additions
78resource "aws_route" "public_dest_to_src_public_route" {
79  destination_cidr_block    = "${var.src_cidr_block}"
80  route_table_id            = "${var.dest_public_route_table_id}"
81  vpc_peering_connection_id = "${aws_vpc_peering_connection.vpc_peering_connection.id}"
82}
83
84resource "aws_route" "public_dest_to_src_nat_route" {
85  count                     = "${length(split(",", var.dest_nat_route_table_ids))}"
86  destination_cidr_block    = "${var.src_cidr_block}"
87  route_table_id            = "${element(split(",", var.dest_nat_route_table_ids), count.index)}"
88  vpc_peering_connection_id = "${aws_vpc_peering_connection.vpc_peering_connection.id}"
89}
90
91.... run a plan
92Error configuring: 2 error(s) occurred:
93
94* aws_route.public_dest_to_src_nat_route: value of 'count' cannot be computed
95* aws_route.public_src_to_dest_nat_route: value of 'count' cannot be computed