seaweedfs

configuration.nix

@@ -25,6 +25,7 @@
       ./wireguard.nix
       ./docker.nix
       ./docker-device-mapper.nix
+      ./seaweedfs-mount.nix
     ];
 
   # Use the systemd-boot EFI boot loader.
@@ -39,6 +40,12 @@
   boot.kernelModules = [ "rbd" "nbd" ];
   
   hardware.bluetooth.enable = true;
+  hardware.bluetooth.settings = {
+	General = {
+		Experimental = true;
+	};
+  };
+
 
   networking.hostName = config.vars.hostname;
   networking.hostId = config.vars.hostid;
@@ -101,6 +108,7 @@
     zsh
     zoxide
     fzf
+    intel-gpu-tools
   ];
 
   # Open ports in the firewall.

seaweedfs-mount.nix

@@ -0,0 +1,116 @@
+# /etc/nixos/modules/seaweedfs-mount.nix
+#
+# This module sets up a systemd service to mount a SeaweedFS filer
+# via FUSE directly on the NixOS host.
+
+{ config, pkgs, lib, ... }:
+
+let
+  # Use lib.mkOption to create configurable settings for our module.
+  # This makes it reusable and easy to adjust from configuration.nix.
+  cfg = config.services.seaweedfs-mount;
+in
+{
+  # Define the options that can be set in configuration.nix
+  options.services.seaweedfs-mount = {
+    enable = lib.mkEnableOption "SeaweedFS FUSE mount service";
+
+    filerAddresses = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      example = [ "seaweedfs_filer_nix1:8888" "seaweedfs_filer_nix2:8888" ];
+      description = "List of filer addresses (hostname:port) to connect to.";
+    };
+
+    mountPoint = lib.mkOption {
+      type = lib.types.path;
+      default = "/mnt/service/seaweedfs";
+      description = "The absolute path where the SeaweedFS volume will be mounted.";
+    };
+
+    cacheDir = lib.mkOption {
+      type = lib.types.path;
+      default = "/data/seaweedfs/cache";
+      description = "Directory for local FUSE cache.";
+    };
+
+    volumeDir = lib.mkOption {
+      type = lib.types.path;
+      default = "/data/seaweedfs/volume";
+      description = "Directory for local volume.";
+    };
+
+    user = lib.mkOption {
+      type = lib.types.str;
+      default = "root";
+      description = "The user to run the mount process as.";
+    };
+
+    group = lib.mkOption {
+      type = lib.types.str;
+      default = "root";
+      description = "The group to run the mount process as.";
+    };
+  };
+
+  # This part of the module will be activated only if services.seaweedfs-mount.enable = true;
+  config = lib.mkIf cfg.enable {
+
+    # 1. Ensure the FUSE kernel module is loaded at boot.
+    boot.kernelModules = [ "fuse" ];
+
+    # 2. Ensure the seaweedfs package is available in the system path.
+    environment.systemPackages = [ pkgs.seaweedfs ];
+
+    # 3. Create the necessary directories before the service starts.
+    systemd.tmpfiles.rules = [
+      "d ${cfg.mountPoint} 0755 ${cfg.user} ${cfg.group} -"
+      "d ${cfg.cacheDir} 0755 ${cfg.user} ${cfg.group} -"
+      "d ${cfg.volumeDir} 0755 ${cfg.user} ${cfg.group} -"
+    ];
+
+    # 4. Define the systemd service itself.
+    systemd.services.seaweedfs-mount = {
+      description = "SeaweedFS FUSE Mount Service";
+
+      # Start after the network is fully available.
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network-online.target" ];
+      wants = [ "network-online.target" ];
+
+      # Service configuration details.
+      serviceConfig = {
+        # The user and group to run the command as.
+        User = cfg.user;
+        Group = cfg.group;
+
+        # The core command to start the mount process.
+        # We build the -filer string by joining the list of addresses with commas.
+        ExecStart = ''
+          ${pkgs.seaweedfs}/bin/weed mount \
+            -dir=${cfg.mountPoint} \
+            -cacheDir=${cfg.cacheDir} \
+            -filer=${lib.concatStringsSep "," cfg.filerAddresses} \
+            -allowOthers=true \
+            -map.uid="1000:0" \
+            -map.gid="1000:0" \
+            -dirAutoCreate \
+            -cacheCapacityMB=15000 \
+            -filer.path=/
+        '';
+
+        # Command to cleanly unmount on service stop.
+        ExecStop = "${pkgs.util-linux}/bin/umount ${cfg.mountPoint}";
+
+        # *** This is the key part for your request ***
+        # Always restart the service if it fails.
+        Restart = "always";
+        # Wait 10 seconds before attempting to restart.
+        RestartSec = "10s";
+
+        # Required for FUSE mounts to work correctly under systemd.
+        Type = "simple";
+        KillMode = "process";
+      };
+    };
+  };
+}

seaweedfs.nix

@@ -0,0 +1,21 @@
+{ config, pkgs, ... }: {
+
+  # Enable and configure the SeaweedFS mount
+  services.seaweedfs-mount = {
+    enable = true;
+    filerAddresses = [
+      "filer_nix1:8888"
+      "filer_nix2:8888"
+      "filer_nix3:8888"
+      "filer_nixnas:8888"
+    ];
+    mountPoint = "/mnt/service/seaweedfs";    
+  };
+
+  networking.extraHosts = ''
+    192.168.178.5 filer_nix1
+    192.168.178.6 filer_nix2
+    192.168.178.7 filer_nix3
+    192.168.178.8 filer_nixnas
+  '';
+}