From ab97a7bffd9b369bb55220b4542de3ccddda5803 Mon Sep 17 00:00:00 2001
From: Alex Auvolat <alex@adnab.me>
Date: Wed, 7 Dec 2022 12:32:21 +0100
Subject: Staging: Add CNAME target meta parameter, will be used for diplonat
 auto dns update

---
 nix/deuxfleurs.nix | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

(limited to 'nix/deuxfleurs.nix')

diff --git a/nix/deuxfleurs.nix b/nix/deuxfleurs.nix
index a83dda4..28161dc 100644
--- a/nix/deuxfleurs.nix
+++ b/nix/deuxfleurs.nix
@@ -90,6 +90,10 @@ in
       description = "Site (availability zone) on which this node is deployed";
       type = types.str;
     };
+    cname_target = mkOption {
+      description = "DNS CNAME target to use for services hosted in this site, for domain names that are updated by DiploNAT";
+      type = types.nullOr types.str;
+    };
     nameservers = mkOption {
       description = "External DNS servers to use";
       type = types.listOf types.str;
@@ -124,7 +128,16 @@ in
     };
   };
 
-  config = {
+  config =
+    let node_meta = {
+        "site" = cfg.site_name;
+        "public_ipv6" = cfg.ipv6;
+      } //
+      (if cfg.cname_target != null
+        then { "cname_target" = cfg.cname_target; }
+        else {});
+    in
+  {
     # Configure admin accounts on all nodes
     users.users = builtins.mapAttrs (name: publicKeys: {
       isNormalUser = true;
@@ -240,10 +253,8 @@ in
         // (if cfg.bootstrap then { bootstrap_expect = 3; } else {})
       else {}) //
     {
+      inherit node_meta;
       datacenter = cfg.cluster_name;
-      node_meta = {
-        "site" = cfg.site_name;
-      };
       ui_config = {
         enabled = true;
       };
@@ -304,10 +315,7 @@ in
       client = {
         enabled = true;
         network_interface = "wg0";
-        meta = {
-          "site" = cfg.site_name;
-          "public_ipv6" = cfg.ipv6;
-        };
+        meta = node_meta;
       };
       telemetry = {
         publish_allocation_metrics = true;
-- 
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