From 58f2ff985884b8d48d98a1706e4f5117ac6ca7db Mon Sep 17 00:00:00 2001
From: Raito Bezarius <masterancpp@gmail.com>
Date: Sun, 27 Oct 2024 21:32:28 +0100
Subject: [PATCH] chore: connect terraform to the hive

This way, we can autogenerate records for storage and builders nodes by
reading directly the configuration.

This makes evaluation of `nix run .#tf` slower, but this makes things
more safer and easier, so it's good.

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
---
 flake.nix              |  5 ++++-
 terraform/dnsimple.nix | 11 ++++++++---
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/flake.nix b/flake.nix
index f43f411..4feaf28 100644
--- a/flake.nix
+++ b/flake.nix
@@ -64,6 +64,9 @@
       terraform = pkgs.opentofu;
       terraformCfg = terranix.lib.terranixConfiguration {
         inherit system;
+        extraArgs = {
+          inherit (self) nixosConfigurations;
+        };
         modules = [
           ./terraform
           {
@@ -174,7 +177,7 @@
         # Filter all nodes by the range data for this flavor.
         filteredNodes = lib.filterAttrs (name: node: lib.any (r: inRange node.bagel.baremetal.num r) ranges) nodes;
         # The enumeration from baremetal numbers to flavor-specific numbers.
-        indexes = lib.traceValSeq (reverseEnumerate (map (n: toString n.bagel.baremetal.num) (builtins.attrValues filteredNodes)));
+        indexes = reverseEnumerate (map (n: toString n.bagel.baremetal.num) (builtins.attrValues filteredNodes));
       in
         # Build a new attrset with a new second-level index for the specific flavor.
         lib.mapAttrs (name: node: setFlavor indexes.${toString node.bagel.baremetal.num} node) filteredNodes;
diff --git a/terraform/dnsimple.nix b/terraform/dnsimple.nix
index 56b2d09..515a2f4 100644
--- a/terraform/dnsimple.nix
+++ b/terraform/dnsimple.nix
@@ -1,7 +1,10 @@
-{ lib, config, ... }:
+{ nixosConfigurations, lib, config, ... }:
 let
-  inherit (lib) mkEnableOption mkIf tf genList;
+  inherit (lib) mkEnableOption mkIf tf genList filterAttrs;
   cfg = config.bagel.dnsimple;
+  filterBaremetalNodes = submodule: nodes: filterAttrs (name: node: node.config.bagel.baremetal.enable && node.config.bagel.baremetal.${submodule}.enable) nodes;
+  builderNodes = builtins.attrValues (filterBaremetalNodes "builders" nixosConfigurations);
+  storageNodes = builtins.attrValues (filterBaremetalNodes "storage" nixosConfigurations);
 in
 {
   options.bagel.dnsimple = {
@@ -125,7 +128,9 @@ in
           (dualProxyRecords "build-coord.wob01.infra" 300 "AAAA" "2a01:584:11::1:11")
           # TODO: do not hardcode, just reuse the Colmena hive module outputs to generate all the required details.
         ]
-        ++ (map (index: record "builder-${toString index}.wob01.infra" 300 "AAAA" "2a01:584:11::1:${toString index}") (genList lib.id 11))
+        ++ (map (index: record "bm-${toString index}.wob01.infra" 300 "AAAA" "2a01:584:11::1:${toString index}") (genList lib.id 11))
+        ++ (map (node: record "builder-${toString node.config.bagel.baremetal.builders.num}.wob01.infra" 300 "CNAME" "bm-${toString node.config.bagel.baremetal.num}") builderNodes)
+        ++ (map (node: record "storage-${toString node.config.bagel.baremetal.storage.num}.wob01.infra" 300 "CNAME" "bm-${toString node.config.bagel.baremetal.num}") storageNodes)
         ++ (
           let
             # FIXME: figure out a way to poke `config.services.s3-revproxy` and