vpc_peering.tf

/* VPC Peering */

resource "aws_vpc_peering_connection" "core_bastion" {
  peer_vpc_id = "${module.bastion.vpc_id}"
  vpc_id      = "${module.core.vpc_id}"
  auto_accept = true

  accepter {
    allow_remote_vpc_dns_resolution = true
  }

  requester {
    allow_remote_vpc_dns_resolution = true
  }

  tags {
    Name        = "${module.core.vpc_name}::${module.bastion.vpc_name}"
    Department  = "${var.owner}"
    Environment = "Global"
    Region      = "${var.region["${var.buildenv}"]}"
    Application = "shared"
    Role        = "networking"
    Service     = "vpc"
    Category    = "vpc.peering"
  }

  lifecycle {
    create_before_destroy = true
  }

  depends_on = [
    "module.bastion",
    "module.core",
  ]
}

resource "aws_vpc_peering_connection" "core_app" {
  peer_vpc_id = "${module.app.vpc_id}"
  vpc_id      = "${module.core.vpc_id}"
  auto_accept = true

  accepter {
    allow_remote_vpc_dns_resolution = true
  }

  requester {
    allow_remote_vpc_dns_resolution = true
  }

  tags {
    Name        = "${module.core.vpc_name}::${module.app.vpc_name}"
    Department  = "${var.owner}"
    Environment = "Global"
    Region      = "${var.region["${var.buildenv}"]}"
    Application = "shared"
    Role        = "networking"
    Service     = "vpc"
    Category    = "vpc.peering"
  }

  lifecycle {
    create_before_destroy = true
  }

  depends_on = [
    "module.app",
    "module.core",
  ]
}

resource "aws_vpc_peering_connection" "bastion_app" {
  peer_vpc_id = "${module.app.vpc_id}"
  vpc_id      = "${module.bastion.vpc_id}"
  auto_accept = true

  accepter {
    allow_remote_vpc_dns_resolution = true
  }

  requester {
    allow_remote_vpc_dns_resolution = true
  }

  tags {
    Name        = "${module.bastion.vpc_name}::${module.app.vpc_name}"
    Department  = "${var.owner}"
    Environment = "Global"
    Region      = "${var.region["${var.buildenv}"]}"
    Application = "shared"
    Role        = "networking"
    Service     = "vpc"
    Category    = "vpc.peering"
  }

  lifecycle {
    create_before_destroy = true
  }

  depends_on = [
    "module.bastion",
    "module.app",
  ]
}