remove redundant config

nixos/hosts/gandalf/config/samba-config.nix

@@ -0,0 +1,11 @@
+{ config, ... }:
+''
+  workgroup = WORKGROUP
+  server string = gandalf
+  netbios name = gandalf
+  security = user 
+  # note: localhost is the ipv6 localhost ::1
+  hosts allow = 0.0.0.0/0
+  guest account = nobody
+  map to guest = bad user
+''

nixos/hosts/gandalf/config/samba-shares.nix

@@ -0,0 +1,44 @@
+{ ... }: {
+  xen = {
+    path = "/eru/xen-backups";
+    browseable = "yes";
+    "read only" = "no";
+    "guest ok" = "no";
+    "create mask" = "0644";
+    "directory mask" = "0755";
+    "force user" = "apps";
+    "force group" = "apps";
+  };
+  hansonhive = {
+    path = "/eru/hansonhive";
+    browseable = "yes";
+    "read only" = "no";
+    "guest ok" = "no";
+    "create mask" = "0644";
+    "directory mask" = "0755";
+    "force user" = "www-data";
+    "force group" = "www-data";
+  };
+  tm_joe = {
+    path = "/eru/tm_joe";
+    "valid users" = "jahanson";
+    public = "no";
+    writeable = "yes";
+    "guest ok" = "no";
+    "force user" = "jahanson";
+    "fruit:aapl" = "yes";
+    "fruit:time machine" = "yes";
+    "vfs objects" = "catia fruit streams_xattr";
+  };
+  tm_elisia = {
+    path = "/eru/tm_elisia";
+    "valid users" = "emhanson";
+    public = "no";
+    writeable = "yes";
+    "guest ok" = "no";
+    "force user" = "emhanson";
+    "fruit:aapl" = "yes";
+    "fruit:time machine" = "yes";
+    "vfs objects" = "catia fruit streams_xattr";
+  };
+}

nixos/hosts/gandalf/default.nix

@@ -10,16 +10,20 @@
     ];
 
   boot = {
-    initrd.availableKernelModules = [ "ehci_pci" "ahci" "mpt3sas" "isci" "usbhid" "usb_storage" "sd_mod" ];
-    initrd.kernelModules = [ ];
+    initrd = {
+      availableKernelModules = [ "ehci_pci" "ahci" "mpt3sas" "isci" "usbhid" "usb_storage" "sd_mod" ];
+      kernelModules = [ "nfs" ];
+      supportedFilesystems = [ "nfs" ];
+    };
+
     kernelModules = [ "kvm-intel" "vfio" "vfio_iommu_type1" "vfio_pci" "vfio_virqfd" ];
     extraModulePackages = [ ];
-    kernelParams = [ "iommu=pt" "intel_iommu=on" ];
+    kernelParams = [ "iommu=pt" "intel_iommu=on" "zfs.zfs_arc_max=107374182400" ]; # 100GB
   };
-  
+
   # Network settings
   networking = {
-    hostName = "gandalf"; 
+    hostName = "gandalf";
     hostId = "e2fc95cd";
     useDHCP = false; # needed for bridge
     networkmanager.enable = true;
@@ -65,6 +69,17 @@
   # System settings and services.
   mySystem = {
     purpose = "Production";
-    system.motd.networkInterfaces = [ "enp130s0f0" "enp130s0f1" ];
+    system = {
+      motd.networkInterfaces = [ "enp130s0f0" "enp130s0f1" ];
+      # ZFS
+      zfs.enable = true;
+      zfs.mountPoolsAtBoot = [ "eru" ];
+      # NFS
+      nfs.enable = true;
+      # Samba
+      samba.enable = true;
+      samba.shares = import ./config/samba-shares.nix { };
+      samba.extraConfig = import ./config/samba-config.nix { };
+    };
   };
 }

nixos/modules/nixos/services/haproxy/default.nix

@@ -6,7 +6,7 @@ let
 in
 {
   options.mySystem.services.haproxy = {
-    enable = mkEnableOption "haproxy";
+    enable = mkEnableOption "haproxy" // { default = false; };
     package = mkPackageOption pkgs "haproxy" { };
     config = mkOption {
       type = types.str;

nixos/modules/nixos/system/default.nix

@@ -8,6 +8,7 @@
     ./pushover
     ./security.nix
     ./systempackages.nix
+    ./samba
     ./time.nix
     ./zfs.nix
   ];

nixos/modules/nixos/system/samba/default.nix

@@ -0,0 +1,25 @@
+{ lib, config, ... }:
+let
+  cfg = config.mySystem.services.samba;
+in
+{
+  options.mySystem.services.samba = {
+    enable = lib.mkEnableOption "samba";
+    extraConfig = lib.mkOption {
+      type = lib.types.str;
+      default = "";
+    };
+    
+    shares = lib.mkOption {
+      type = lib.types.attrsOf (lib.types.attrsOf lib.types.unspecified);
+      default = "";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.samba.enable = true;
+    services.samba.extraConfig = cfg.extraConfig;
+    services.samba.shares = cfg.shares;
+    services.samba.openFirewall = true;
+  };
+}

nixos/profiles/hw-supermicro.nix

@@ -2,9 +2,6 @@
 with lib;
 {
   boot = {
-    # for managing/mounting nfs
-    supportedFilesystems = [ "nfs" ];
-
     loader = {
       systemd-boot.enable = true;
       efi.canTouchEfiVariables = true;