nixos/server: init (again)

1 files changed, 46 insertions, 0 deletions

diff --git a/modules/nixos/server/mixins/acme.nix b/modules/nixos/server/mixins/acme.nix
new file mode 100644
index 0000000..60703e6
--- /dev/null
+++ b/modules/nixos/server/mixins/acme.nix
@@ -0,0 +1,46 @@
+{
+  config,
+  lib,
+  secretsDir,
+  ...
+}: let
+  cfg = config.server.mixins.acme;
+in {
+  options.server.mixins.acme = {
+    enable = lib.mkEnableOption "ACME mixin";
+
+    manageSecrets =
+      lib.mkEnableOption "automatic secrets management"
+      // {
+        default = config.traits.secrets.enable;
+      };
+
+    useDns = lib.mkEnableOption "the usage of Cloudflare to obtain certs" // {default = true;};
+  };
+
+  config = lib.mkIf cfg.enable (
+    lib.mkMerge [
+      {
+        security.acme = {
+          acceptTerms = true;
+          defaults =
+            {
+              email = "[email protected]";
+            }
+            // lib.optionalAttrs cfg.useDns {
+              dnsProvider = "cloudflare";
+            }
+            // lib.optionalAttrs cfg.manageSecrets {
+              credentialsFile = config.age.secrets.cloudflareApiKey.path;
+            };
+        };
+      }
+
+      (lib.mkIf cfg.manageSecrets {
+        age.secrets = {
+          cloudflareApiKey.file = secretsDir + "/cloudflareApiKey.age";
+        };
+      })
+    ]
+  );
+}