treewide: add defaultText for options with simple cfg.* expression defaults

adds defaultText for options with defaults that use only literals, full config.*
paths, and the cfg shortcut binding.

4 files changed, 26 insertions, 2 deletions

diff --git a/nixos/modules/services/web-apps/discourse.nix b/nixos/modules/services/web-apps/discourse.nix
index e128e88cfad..e72fdc053fe 100644
--- a/nixos/modules/services/web-apps/discourse.nix
+++ b/nixos/modules/services/web-apps/discourse.nix
@@ -328,6 +328,7 @@ in
         useSSL = lib.mkOption {
           type = lib.types.bool;
           default = cfg.redis.host != "localhost";
+          defaultText = lib.literalExpression ''config.${opt.redis.host} != "localhost"'';
           description = ''
             Connect to Redis with SSL.
           '';
diff --git a/nixos/modules/services/web-apps/keycloak.nix b/nixos/modules/services/web-apps/keycloak.nix
index df8c7114102..fac8e08b359 100644
--- a/nixos/modules/services/web-apps/keycloak.nix
+++ b/nixos/modules/services/web-apps/keycloak.nix
@@ -1,7 +1,8 @@
-{ config, pkgs, lib, ... }:
+{ config, options, pkgs, lib, ... }:
 
 let
   cfg = config.services.keycloak;
+  opt = options.services.keycloak;
 in
 {
   options.services.keycloak = {
@@ -147,6 +148,7 @@ in
       useSSL = lib.mkOption {
         type = lib.types.bool;
         default = cfg.database.host != "localhost";
+        defaultText = lib.literalExpression ''config.${opt.database.host} != "localhost"'';
         description = ''
           Whether the database connection should be secured by SSL /
           TLS.
diff --git a/nixos/modules/services/web-apps/peertube.nix b/nixos/modules/services/web-apps/peertube.nix
index a9473fb8178..2abfd9152f4 100644
--- a/nixos/modules/services/web-apps/peertube.nix
+++ b/nixos/modules/services/web-apps/peertube.nix
@@ -154,6 +154,11 @@ in {
       host = lib.mkOption {
         type = lib.types.str;
         default = if cfg.database.createLocally then "/run/postgresql" else null;
+        defaultText = lib.literalExpression ''
+          if config.${opt.database.createLocally}
+          then "/run/postgresql"
+          else null
+        '';
         example = "192.168.15.47";
         description = "Database host address or unix socket.";
       };
@@ -194,12 +199,22 @@ in {
       host = lib.mkOption {
         type = lib.types.nullOr lib.types.str;
         default = if cfg.redis.createLocally && !cfg.redis.enableUnixSocket then "127.0.0.1" else null;
+        defaultText = lib.literalExpression ''
+          if config.${opt.redis.createLocally} && !config.${opt.redis.enableUnixSocket}
+          then "127.0.0.1"
+          else null
+        '';
         description = "Redis host.";
       };
 
       port = lib.mkOption {
         type = lib.types.nullOr lib.types.port;
         default = if cfg.redis.createLocally && cfg.redis.enableUnixSocket then null else 6379;
+        defaultText = lib.literalExpression ''
+          if config.${opt.redis.createLocally} && config.${opt.redis.enableUnixSocket}
+          then null
+          else 6379
+        '';
         description = "Redis port.";
       };
 
diff --git a/nixos/modules/services/web-apps/zabbix.nix b/nixos/modules/services/web-apps/zabbix.nix
index ff50b95254f..538dac0d5be 100644
--- a/nixos/modules/services/web-apps/zabbix.nix
+++ b/nixos/modules/services/web-apps/zabbix.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ... }:
+{ config, lib, options, pkgs, ... }:
 
 let
 
@@ -6,6 +6,7 @@ let
   inherit (lib) literalExpression mapAttrs optionalString versionAtLeast;
 
   cfg = config.services.zabbixWeb;
+  opt = options.services.zabbixWeb;
   fpm = config.services.phpfpm.pools.zabbix;
 
   user = "zabbix";
@@ -82,6 +83,11 @@ in
             if cfg.database.type == "mysql" then config.services.mysql.port
             else if cfg.database.type == "pgsql" then config.services.postgresql.port
             else 1521;
+          defaultText = literalExpression ''
+            if config.${opt.database.type} == "mysql" then config.${options.services.mysql.port}
+            else if config.${opt.database.type} == "pgsql" then config.${options.services.postgresql.port}
+            else 1521
+          '';
           description = "Database host port.";
         };