feat: paperless backups

hosts/elisabeth/secrets/paperless/generated/resticpasswd.age

@@ -0,0 +1,15 @@
+age-encryption.org/v1
+-> X25519 k9S1TqxAKH41Lq6xpAYBaMd9f90qCAQmyxrq0chU+Tc
+irgvzLHOIREuCUA2k1+FnxZCXNTIpChKE3uNN5l48OA
+-> piv-p256 XTQkUA A/Jy50UrN5mbigxkQI5K1Q0FQTor4ocPQh1YJXYnWMvl
+z73ZTKho/qeVH2XyneDKUxw+eg2FrHDfrllHVaj3s5U
+-> piv-p256 ZFgiIw AlVTQpjtIYs7vQ/M0jDmRzRebsIQ+Kj39qyeQk1OIwZ+
+jAPOyDEuginirLTSUFJ2oW1VsdpWN1ASdfR7ybU+G0M
+-> piv-p256 5vmPtQ AhiueRGQs93xrLgEwnhC/G3GZfB8WnU/U6fP4Zoj6CAm
+Zrx69DLkn13YXMPzyVgzKCakPwMuuqhc9ev1JZ6O19o
+-> piv-p256 ZFgiIw ApvxXQDq40lC1AHIi/Goo7zdxBNMzdyaICbc99l+7AKV
+HaqccPBNp4O5HG5HXqkV4ks6/egCx83KTHFNHek8/VI
+-> "[q9C-grease &e7[}5WO @C'4x =
+3OGP2dJt6w
+--- 0GHa/cHUag5xe+LPDSEgHvSWTi9tNDdaq1FQZIsK2uc
+–øÈǨ`pcé'³Æâ ®,Ýœñ8‰E‹Ž<E280B9>B®¥ÞGÞ%¿ºF ÖØòtŹKVN¹~	TJÉ2IVêaš…<àI+¶Fë<46>°¼oO>âÛ•

modules/services/paperless.nix

@@ -4,7 +4,62 @@
   ...
 }: let
   paperlessdomain = "ppl.${config.secrets.secrets.global.domains.web}";
+  paperlessBackupDir = "/var/cache/backups/paperless";
 in {
+  systemd.tmpfiles.settings = {
+    "10-paperless".${paperlessBackupDir}.d = {
+      inherit (config.services.paperless) user;
+      mode = "0770";
+    };
+  };
+  age.secrets.resticpasswd = {
+    generator.script = "alnum";
+  };
+  age.secrets.paperlessHetznerSsh = {
+    generator.script = "ssh-ed25519";
+  };
+  services.restic.backups = {
+    main = {
+      inherit (config.services.paperless) user;
+      timerConfig = {
+        OnCalendar = "06:00";
+        Persistent = true;
+        RandomizedDelaySec = "3h";
+      };
+      initialize = true;
+      passwordFile = config.age.secrets.resticpasswd.path;
+      hetznerStorageBox = {
+        enable = true;
+        inherit (config.secrets.secrets.global.hetzner) mainUser;
+        inherit (config.secrets.secrets.global.hetzner.users.paperless) subUid path;
+        sshAgeSecret = "paperlessHetznerSsh";
+      };
+      paths = [paperlessBackupDir];
+      pruneOpts = [
+        "--keep-daily 10"
+        "--keep-weekly 7"
+        "--keep-monthly 12"
+        "--keep-yearly 75"
+      ];
+    };
+  };
+  systemd.services.paperless-backup = let
+    cfg = config.systemd.services.paperless-consumer;
+  in {
+    description = "Paperless document backup";
+    serviceConfig =
+      lib.recursiveUpdate
+      cfg.serviceConfig
+      {
+        ExecStart = "${config.services.paperless.package}/bin/paperless-ngx document_exporter -na -nt -f -d ${paperlessBackupDir}";
+        ReadWritePaths = cfg.serviceConfig.ReadWritePaths ++ [paperlessBackupDir];
+        Restart = "no";
+        Type = "oneshot";
+      };
+    inherit (cfg) environment;
+    requiredBy = ["restic-backups-main.service"];
+  };
+
   networking.firewall.allowedTCPPorts = [3000];
   age.secrets.paperless-admin-passwd = {
     generator.script = "alnum";

modules/services/samba.nix

@@ -234,21 +234,57 @@
 
   systemd.tmpfiles.settings = lib.mkMerge (lib.flip lib.mapAttrsToList config.services.samba.shares (_: v:
     lib.optionalAttrs ((v ? "#paperless") && v."#paperless") {
+      "10-smb-paperless"."/paperless/consume/".d = {
+        user = "paperless";
+        group = "paperless";
+        mode = "0770";
+      };
       "10-smb-paperless"."/paperless/consume/${v."#user"}".d = {
         user = "paperless";
         group = "paperless";
         mode = "0770";
       };
+      "10-smb-paperless"."/paperless/media/".d = {
+        user = "paperless";
+        group = "paperless";
+        mode = "0770";
+      };
+      "10-smb-paperless"."/paperless/media/documents/".d = {
+        user = "paperless";
+        group = "paperless";
+        mode = "0770";
+      };
+
+      "10-smb-paperless"."/paperless/media/documents/archive/".d = {
+        user = "paperless";
+        group = "paperless";
+        mode = "0770";
+      };
       "10-smb-paperless"."/paperless/media/documents/archive/${v."#user"}".d = {
         user = "paperless";
         group = "paperless";
         mode = "0770";
       };
+      "10-smb-paperless"."/paperless/media/documents/archive/${v."#user"}/.keep".f = {
+        user = "paperless";
+        group = "paperless";
+        mode = "0660";
+      };
+      "10-smb-paperless"."/paperless/media/documents/originals/".d = {
+        user = "paperless";
+        group = "paperless";
+        mode = "0770";
+      };
       "10-smb-paperless"."/paperless/media/documents/originals/${v."#user"}".d = {
         user = "paperless";
         group = "paperless";
         mode = "0770";
       };
+      "10-smb-paperless"."/paperless/media/documents/originals/${v."#user"}/.keep".f = {
+        user = "paperless";
+        group = "paperless";
+        mode = "0660";
+      };
     }));
   environment.persistence = lib.mkMerge (lib.flip lib.mapAttrsToList config.services.samba.shares (_: v:
     lib.optionalAttrs ((v ? "#persistRoot") && (v."#persistRoot" != "")) {

modules/services/vaultwarden.nix

@@ -28,7 +28,7 @@ in {
   };
   services.restic.backups = {
     main = {
-      user = "root";
+      user = "vaultwarden";
       timerConfig = {
         OnCalendar = "06:00";
         Persistent = true;
@@ -75,7 +75,6 @@ in {
       smtpSecurity = "force_tls";
       smtpPort = 465;
     };
-    #backupDir = "/data/backup";
     environmentFile = config.age.secrets.vaultwarden-env.path;
   };