refactor: get rid of config folder

2026-02-09 12:29:19 -08:00 · 2022-07-08 17:53:16 -07:00 · 2022-07-08 17:53:16 -07:00 · cb3ae5f434
commit cb3ae5f434
parent 2606e1d874
254 changed files with 79 additions and 101 deletions
--- a/modules/nixos/deploy.nix
+++ b/modules/nixos/deploy.nix
@ -0,0 +1,84 @@
+{ tf, target, name, meta, config, lib, ... }:
+
+/*
+  This module:
+  * aliases <hostname>.system.build.toplevel to <hostname>.deploy.system for ease of use.
+  * marries meta config to NixOS configs for each host.
+  * provides in-scope TF config in NixOS and home-manager, instead of only as a part of meta config.
+*/
+
+with lib;
+
+let
+  cfg = config.deploy;
+  unmergedValues = types.mkOptionType {
+    name = "unmergedValues";
+    merge = loc: defs: map (def: def.value) defs;
+  };
+in
+{
+  options.deploy = {
+    targetName = mkOption {
+      type = types.nullOr types.str;
+      default = null;
+    };
+    system = mkOption {
+      type = types.unspecified;
+      readOnly = true;
+    };
+  };
+  options.deploy.tf = mkOption {
+    type = types.submodule {
+      inherit (unmerged) freeformType;
+
+      options = {
+        import = mkOption {
+          type = types.attrsOf types.unspecified;
+          default = [ ];
+        };
+        imports = mkOption {
+          type = types.listOf types.str;
+          description = "Other targets to depend on";
+          default = [ ];
+        };
+        attrs = mkOption {
+          type = types.listOf types.str;
+          default = [ ];
+        };
+        out.set = mkOption { type = types.unspecified; };
+      };
+    };
+  };
+
+  config = {
+    deploy = {
+      system = config.system.build.toplevel;
+      targetName = let targetsList = attrNames (filterAttrs (_: target: target.enable && elem name target.nodeNames) meta.deploy.targets); in
+        if (builtins.length targetsList == 0) then null
+        else lib.warnIf (builtins.length targetsList > 1) "The host ${name} is assigned to several targets: ${concatMapStrings (x: "${x},") targetsList}." (head targetsList);
+    };
+    deploy.tf = mkMerge (singleton
+      (lib.mkIf (config.deploy.targetName != null) {
+        attrs = [ "import" "imports" "out" "attrs" ];
+        import = genAttrs cfg.tf.imports (target: meta.deploy.targets.${target}.tf);
+        out.set = removeAttrs cfg.tf cfg.tf.attrs;
+        deploy.systems.${config.networking.hostName} =
+          with tf.resources; {
+            isRemote =
+              (config.networking.hostName != builtins.getEnv "HOME_HOSTNAME");
+            nixosConfig = config;
+            connection = tf.resources.${config.networking.hostName}.connection.set;
+            triggers.copy.${config.networking.hostName} =
+              tf.resources.${config.networking.hostName}.refAttr "id";
+            triggers.secrets.${config.networking.hostName} =
+              tf.resources.${config.networking.hostName}.refAttr "id";
+          };
+      }) ++ mapAttrsToList
+      (_: user:
+        mapAttrs (_: mkMerge) user.deploy.tf.out.set)
+      config.home-manager.users);
+
+    _module.args.target = mapNullable (targetName: meta.deploy.targets.${targetName}) cfg.targetName;
+    _module.args.tf = mapNullable (target: target.tf) target;
+  };
+}