start work on photoprism

hosts/hetzner-arm/profiles/photoprism.nix

@@ -1,6 +1,52 @@
-{...}: {
+{lib, config, pkgs, ...}: let 
+  inherit (config.services.secrets) secrets;
+
+  rclonePhotos = pkgs.writeShellScriptBin "rclone-photos" ''
+    ${pkgs.rclone}/bin/rclone --config ${secrets.photos_rclone_config.path} "$@"
+  '';
+
+  mountPhotos = pkgs.writeShellScriptBin "mount-photos" ''
+    umount -flR /Photos || true
+    ${rclonePhotos}/bin/rclone-photos mount Photos: /Photos \
+      --allow-other \
+      --uid=${toString config.users.users.photoprism.uid} \
+      --gid=${toString config.users.groups.photoprism.gid} \
+      --fast-list \
+      --umask=666 \
+      --cache-dir=/PhotosCache \
+      --dir-cache-time=1m \
+      --vfs-cache-mode=full \
+      --vfs-cache-max-size=5g \
+      --vfs-cache-max-age=120m \
+      --log-level=INFO "$@"
+  '';
+
+  inherit (lib.modules) mkMerge mkForce;
+  inherit (builtins) toFile;
+in {
+  environment.systemPackages = with pkgs; [
+    rclone
+    rclonePhotos
+    fuse
+    fuse3
+    mountPhotos
+  ];
+
+  systemd.tmpfiles.rules = [
+    "d /PhotosCache - storage storage"
+    "d /Photos - storage storage"
+  ];
+
+  users.users.photoprism = {
+    isSystemUser = true;
+    uid = 1290;
+    group = "photoprism";
+  };
+  users.groups.photoprism.gid = 1290;
+
   services.photoprism = {
     enable = true;
+    originalsPath = "/Photos";
   };
 
   services.nginx.virtualHosts."vault.owo.monster" = {
@@ -19,4 +65,16 @@
       };
     };
   };
+
+  programs.fuse.userAllowOther = true;
+
+  systemd.services.photos-mount = {
+    wantedBy = ["photoprism.service"];
+    partOf = ["photoprism.service"];
+    path = with pkgs; [
+      fuse
+      fuse3
+    ];
+    serviceConfig.ExecStart = "${mountPhotos}/bin/mount-photos --syslog";
+  };
 }

hosts/hetzner-arm/secrets.nix

@@ -9,6 +9,7 @@
 
     packages = with pkgs; [
       apacheHttpd
+      rclone
     ];
 
     requiredVaultPaths = [
@@ -22,6 +23,8 @@
 
       "private-public-keys/data/restic/Forgejo"
 
+      "private-public-keys/data/rclone/Chaos-Photos-Crypt"
+
       "api-keys/data/mpd"
       "api-keys/data/music-stream"
 
@@ -31,6 +34,39 @@
       "private-public-keys/data/restic/Vault"
     ];
 
+    extraFunctions = ''
+      replace_slash_for_sed() {
+        sed "s#/#\\\/#"
+      }
+
+      simple_get_obscure() {
+        rclone obscure "$(simple_get "$@")"
+      }
+
+      simple_get_replace_b2() {
+        api_account=$(simple_get "$1" .keyID | replace_slash_for_sed)
+        api_key=$(simple_get "$1" .applicationKey | replace_slash_for_sed)
+
+        replace_account=''${2}_ACCOUNT
+        replace_key=''${2}_KEY
+
+        sed -i "s/$replace_account/$api_account/" "$3"
+        sed -i "s/$replace_key/$api_key/" "$3"
+      }
+
+      simple_get_replace_crypt() {
+        password=$(simple_get_obscure "$1" .password)
+        salt=$(simple_get_obscure "$1" .salt)
+
+        replace_password=''${2}_PASSWORD
+        replace_salt=''${2}_SALT
+
+        sed -i "s/$replace_password/$password/" "$3"
+        sed -i "s/$replace_salt/$salt/" "$3"
+      }
+    '';
+
+
     secrets = {
       vault_password = {
         manual = true;
@@ -140,6 +176,35 @@
           simple_get "/private-public-keys/restic/Vault" .password > "$secretFile"
         '';
       };
+
+      photos_rclone_config = {
+        user = "photoprism";
+        group = "photoprism";
+        fetchScript = let
+          template = builtins.toFile "template.conf" ''
+            [B2]
+            type = b2
+            account = B2_ACCOUNT
+            key = B2_KEY
+            hard_delete = true
+
+            [Photos-Crypt]
+            type = crypt
+            remote = B2:Chaos-Photos
+            password = PHOTOS_CRYPT_PASSWORD
+            password2 = PHOTOS_CRYPT_SALT
+
+            [Photos]
+            type = chunker
+            remote = Photos-Crypt:
+            chunk_size = 128Mi
+          '';
+        in ''
+          cat ${template} > "$secretFile"
+          simple_get_replace_b2 "/api-keys/backblaze/Backblaze" "B2" "$secretFile"
+          simple_get_replace_crypt "/private-public-keys/rclone/Chaos-Photos-Crypt" "PHOTOS_CRYPT" "$secretFile"
+        '';
+      };
     };
   };
 }