Avoid repetition of variables and keywords

hosts/stratus/containers/nspawn/forgejo/backup.nix

@@ -5,8 +5,13 @@
   dataDir,
   ...
 }:
+let
+  serviceName = lib.last (lib.splitString "/" (builtins.toString ./.)); # Parent directory name
+  userName = config.services.forgejo.user;
+  groupName = config.services.forgejo.group;
+in
 {
-  systemd.tmpfiles.rules = [ "d ${dataDir}/backup 750 forgejo forgejo -" ];
+  systemd.tmpfiles.rules = [ "d ${dataDir}/backup 750 ${userName} ${groupName} -" ];
 
   security.polkit = {
     enable = true;
@@ -21,9 +26,9 @@
     '';
   };
 
-  myConfig.resticBackup.forgejo = {
+  myConfig.resticBackup.${serviceName} = {
     enable = true;
-    user = config.users.users.forgejo.name;
+    user = userName;
     healthchecks.enable = true;
 
     extraConfig = {
@@ -47,11 +52,11 @@
 
   environment.systemPackages = [
     (pkgs.writeShellApplication {
-      name = "forgejo-restore";
+      name = "${serviceName}-restore";
       text = ''
         systemctl stop forgejo.service
-        sudo -u forgejo restic-forgejo restore --target / latest
-        sudo -u forgejo pg_restore --clean --if-exists --dbname forgejo ${dataDir}/backup/db.dump
+        sudo -u ${userName} restic-${serviceName} restore --target / latest
+        sudo -u ${userName} pg_restore --clean --if-exists --dbname forgejo ${dataDir}/backup/db.dump
         systemctl start forgejo.service
       '';
     })

hosts/stratus/containers/nspawn/forgejo/default.nix

@@ -1,11 +1,20 @@
+{ lib, ... }:
+let
+  serviceName = lib.last (lib.splitString "/" (builtins.toString ./.)); # Parent directory name
+  subdomain = "git";
+in
 {
-  containers.forgejo.config =
+  containers.${serviceName}.config =
     {
       config,
       lib,
       dataDir,
       ...
     }:
+    let
+      userName = config.services.forgejo.user;
+      groupName = config.services.forgejo.group;
+    in
     {
       imports = [ ./backup.nix ];
 
@@ -15,7 +24,7 @@
       };
 
       systemd.tmpfiles.rules = [
-        "d ${dataDir}/home 750 forgejo forgejo -"
+        "d ${dataDir}/home 750 ${userName} ${groupName} -"
         "d ${dataDir}/postgresql 700 postgres postgres -"
       ];
 
@@ -42,7 +51,7 @@
       '';
 
       myConfig.tailscale = {
-        subdomain = "git";
+        inherit subdomain;
         serve = "3000";
       };
     };

hosts/stratus/containers/nspawn/nextcloud/backup.nix

@@ -5,12 +5,17 @@
   dataDir,
   ...
 }:
+let
+  serviceName = lib.last (lib.splitString "/" (builtins.toString ./.)); # Parent directory name
+  userName = config.users.users.nextcloud.name;
+  groupName = config.users.users.nextcloud.group;
+in
 {
-  systemd.tmpfiles.rules = [ "d ${dataDir}/backup 700 nextcloud nextcloud -" ];
+  systemd.tmpfiles.rules = [ "d ${dataDir}/backup 700 ${userName} ${groupName} -" ];
 
-  myConfig.resticBackup.nextcloud = {
+  myConfig.resticBackup.${serviceName} = {
     enable = true;
-    user = config.users.users.nextcloud.name;
+    user = userName;
     healthchecks.enable = true;
 
     extraConfig = {
@@ -31,12 +36,12 @@
 
   environment.systemPackages = [
     (pkgs.writeShellApplication {
-      name = "nextcloud-restore";
+      name = "${serviceName}-restore";
       text = ''
-        sudo -u nextcloud ${lib.getExe' config.services.nextcloud.occ "nextcloud-occ"} maintenance:mode --on
-        sudo -u nextcloud restic-nextcloud restore --target / latest
-        sudo -u nextcloud pg_restore --clean --if-exists --dbname nextcloud ${dataDir}/backup/db.dump
-        sudo -u nextcloud ${lib.getExe' config.services.nextcloud.occ "nextcloud-occ"} maintenance:mode --off
+        sudo -u ${userName} ${lib.getExe' config.services.nextcloud.occ "nextcloud-occ"} maintenance:mode --on
+        sudo -u ${userName} restic-${serviceName} restore --target / latest
+        sudo -u ${userName} pg_restore --clean --if-exists --dbname nextcloud ${dataDir}/backup/db.dump
+        sudo -u ${userName} ${lib.getExe' config.services.nextcloud.occ "nextcloud-occ"} maintenance:mode --off
       '';
     })
   ];

hosts/stratus/containers/nspawn/nextcloud/default.nix

@@ -1,8 +1,10 @@
+{ lib, ... }:
 let
+  serviceName = lib.last (lib.splitString "/" (builtins.toString ./.)); # Parent directory name
   subdomain = "cloud";
 in
 {
-  containers.nextcloud.config =
+  containers.${serviceName}.config =
     {
       config,
       inputs,
@@ -10,6 +12,10 @@ in
       dataDir,
       ...
     }:
+    let
+      userName = config.users.users.nextcloud.name;
+      groupName = config.users.users.nextcloud.group;
+    in
     {
       imports = [
         ./email-server.nix
@@ -22,7 +28,7 @@ in
       };
 
       systemd.tmpfiles.rules = [
-        "d ${dataDir}/home 750 nextcloud nextcloud -"
+        "d ${dataDir}/home 750 ${userName} ${groupName} -"
         "d ${dataDir}/postgresql 700 postgres postgres -"
       ];
 

hosts/stratus/containers/nspawn/paperless/backup.nix

@@ -5,14 +5,19 @@
   dataDir,
   ...
 }:
+let
+  serviceName = lib.last (lib.splitString "/" (builtins.toString ./.)); # Parent directory name
+  userName = config.services.paperless.user;
+  groupName = config.users.users.${userName}.group;
+in
 {
-  systemd.tmpfiles.rules = [ "d ${dataDir}/backup 700 paperless paperless -" ];
+  systemd.tmpfiles.rules = [ "d ${dataDir}/backup 700 ${userName} ${groupName} -" ];
 
   users.users.paperless.extraGroups = [ "redis-paperless" ];
 
-  myConfig.resticBackup.paperless = {
+  myConfig.resticBackup.${serviceName} = {
     enable = true;
-    user = config.users.users.paperless.name;
+    user = userName;
     healthchecks.enable = true;
 
     extraConfig = {
@@ -33,10 +38,10 @@
 
   environment.systemPackages = [
     (pkgs.writeShellApplication {
-      name = "paperless-restore";
+      name = "${serviceName}-restore";
       text = ''
-        sudo -u paperless restic-paperless restore --target / latest
-        sudo -u paperless ${dataDir}/paperless-manage document_importer ${dataDir}/backup
+        sudo -u ${userName} restic-${serviceName} restore --target / latest
+        sudo -u ${userName} ${dataDir}/paperless-manage document_importer ${dataDir}/backup
       '';
     })
   ];

hosts/stratus/containers/nspawn/paperless/default.nix

@@ -1,5 +1,10 @@
+{ lib, ... }:
+let
+  serviceName = lib.last (lib.splitString "/" (builtins.toString ./.)); # Parent directory name
+  subdomain = "paper";
+in
 {
-  containers.paperless.config =
+  containers.${serviceName}.config =
     {
       config,
       dataDir,
@@ -18,7 +23,7 @@
       };
 
       myConfig.tailscale = {
-        subdomain = "paper";
+        inherit subdomain;
         serve = "28981";
       };
     };