WIP: add notes for missing persistence/backup

TODO:
* Do home-manager
* Look at for more inspiration github.com:nix-community/impermanence/pull/108
* Common files github.com:nix-community/impermanence/issues/10
* Useful config: github.com:chayleaf/dotfiles/blob/f77271b249e0c08368573c22a5c34f0737d3a766/system/modules/impermanence.nix

modules/nixos/services/aria/default.nix

@@ -69,7 +69,10 @@ in
       };
     };
 
-    # FIXME: persistence?
+    my.system.persist.directories = [
+      cfg.downloadDir
+      config.users.users.aria2.home
+    ];
 
     # NOTE: unfortunately aria2 does not log connection failures for fail2ban
   };

modules/nixos/services/audiobookshelf/default.nix

@@ -34,7 +34,9 @@ in
       };
     };
 
-    # FIXME: persistence?
+    my.system.persist.directories = [
+      "/var/lib/${config.services.audiobookshelf.dataDir}"
+    ];
 
     services.fail2ban.jails = {
       audiobookshelf = ''

modules/nixos/services/fail2ban/default.nix

@@ -34,6 +34,8 @@ in
       };
     };
 
-    # FIXME: persistence?
+    my.system.persist.directories = [
+      "/var/lib/${config.systemd.services.fail2ban.serviceConfig.StateDirectory}"
+    ];
   };
 }

modules/nixos/services/flood/default.nix

@@ -28,7 +28,9 @@ in
       };
     };
 
-    # FIXME: persistence?
+    my.system.persist.directories = [
+      "/var/lib/${config.systemd.services.flood.serviceConfig.StateDirectory}"
+    ];
 
     # NOTE: unfortunately flood does not log connection failures for fail2ban
   };

modules/nixos/services/grocy/default.nix

@@ -37,8 +37,15 @@ in
       useACMEHost = config.networking.domain;
     };
 
-    # FIXME: backup
+    my.services.backup = {
-    # FIXME: persistence
+      paths = [
+        config.services.grocy.dataDir
+      ];
+    };
+
+    my.system.persist.directories = [
+      config.services.grocy.dataDir
+    ];
 
     # NOTE: unfortunately grocy does not log connection failures for fail2ban
   };

modules/nixos/services/komga/default.nix

@@ -36,7 +36,9 @@ in
       };
     };
 
-    # FIXME: persistence?
+    my.system.persist.directories = [
+      config.services.komga.stateDir
+    ];
 
     services.fail2ban.jails = {
       komga = ''

modules/nixos/services/mealie/default.nix

@@ -72,8 +72,15 @@ in
       };
     };
 
-    # FIXME: backup
+    my.services.backup = {
-    # FIXME: persistence
+      paths = [
+        "/var/lib/${config.systemd.services.mealie.serviceConfig.StateDirectory}"
+      ];
+    };
+
+    my.system.persist.directories = [
+      "/var/lib/${config.systemd.services.mealie.serviceConfig.StateDirectory}"
+    ];
 
     services.fail2ban.jails = {
       mealie = ''

modules/nixos/services/miniflux/default.nix

@@ -49,9 +49,6 @@ in
       };
     };
 
-    # FIXME: backup
-    # FIXME: persistence
-
     services.fail2ban.jails = {
       miniflux = ''
         enabled = true

modules/nixos/services/pdf-edit/default.nix

@@ -54,7 +54,9 @@ in
       };
     };
 
-    # FIXME: persistence?
+    my.system.persist.directories = [
+      "/var/lib/${systemd.services.stirling-pdf.serviceConfig.StateDirectory}"
+    ];
 
     services.fail2ban.jails = {
       stirling-pdf = ''

modules/nixos/services/pyload/default.nix

@@ -53,8 +53,10 @@ in
       };
     };
 
-    # FIXME: backup
+    my.system.persist.directories = [
-    # FIXME: persistence
+      cfg.downloadDirectory
+      "/var/lib/${config.systemd.services.pyload.StateDirectory}"
+    ];
 
     services.fail2ban.jails = {
       pyload = ''

modules/nixos/services/servarr/default.nix

@@ -20,10 +20,15 @@ let
       group = "media";
     };
 
-    # Thankfully those old style services all define users with homes
+    my.system.persist.directories =
-    my.system.persist.directories = [
+      let
-      config.users.user.${service}.home
+        # Bazarr breaks the mold unfortunately
-    ];
+        dataDir =
+          if service != "bazarr"
+          then config.services.${service}.dataDir
+          else config.users.user.${service}.home;
+      in
+      [ dataDir ];
   };
 
   mkRedirection = service: {

modules/nixos/services/tandoor-recipes/default.nix

@@ -83,8 +83,18 @@ in
       };
     };
 
-    # FIXME: backup
+    my.services.backup = {
-    # FIXME: persistence
+      paths = [
+        "/var/lib/${config.systemd.services.tandoor-recipes.StateDirectory}"
+        config.systemd.services.tandoor-recipes.environment.MEDIA_ROOT
+      ];
+    };
+
+    my.system.persist.directories = [
+      "/var/lib/${config.systemd.services.tandoor-recipes.StateDirectory}"
+      config.systemd.services.tandoor-recipes.environment.MEDIA_ROOT
+    ];
+
 
     # NOTE: unfortunately tandoor-recipes does not log connection failures for fail2ban
   };

modules/nixos/services/vikunja/default.nix

@@ -100,7 +100,9 @@ in
       ];
     };
 
-    # FIXME: persistence
+    my.system.persist.directories = [
+      config.services.vikunja.settings.files.basepath
+    ];
 
     # NOTE: unfortunately vikunja does not log connection failures for fail2ban
   };