From 02348bb05f948e013a054b4d032442a33a203560 Mon Sep 17 00:00:00 2001
From: Marcus Weiner <marcus.weiner@gmail.com>
Date: Sat, 21 Sep 2024 22:02:54 +0200
Subject: [PATCH] Sort core routers to establish stable tunnel interfaces on
 sites (#31)

---
 data.tf | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/data.tf b/data.tf
index 388f5d7..4427536 100644
--- a/data.tf
+++ b/data.tf
@@ -63,18 +63,20 @@ locals {
   devices = {
     for dev in data.netbox_devices.devices.devices : dev.name => dev
   }
-  core_devices = concat(
-    [for dev in data.netbox_devices.core_routers.devices : {
+  core_devices_unsorted = merge(
+    { for dev in data.netbox_devices.core_routers.devices : dev.name => {
       id     = dev.device_id
       name   = dev.name
       device = dev
-    }],
-    [for vm in data.netbox_virtual_machines.core_routers.vms : {
+    } },
+    { for vm in data.netbox_virtual_machines.core_routers.vms : vm.name => {
       id   = vm.vm_id
       name = vm.name
       vm   = vm
-    }],
+    } },
   )
+  core_device_names_sorted = sort(keys(local.core_devices_unsorted))
+  core_devices             = [for name in local.core_device_names_sorted : local.core_devices_unsorted[name]]
 }
 
 data "netbox_ip_addresses" "core_primary" {