even more backups of things

hosts/lithium/microvms/default.nix

@@ -0,0 +1,18 @@
+{ config, pkgs, lib, ... }:
+{
+  microvm.autostart = [
+    "palworld-server"
+  ];
+
+  microvm = {
+    interfaces = [
+      { type = "user"; id = "main-net"; }
+      { type = "macvtap"; id = "vm-palworld"; }
+    ];
+
+    # Interface Name on the Host
+    # Ethernet Address of MicroVM's interface.
+    # Locally administered have one of 2/6/A/E in the second nibble.
+    #interfaces = [{type = "tap";id = "vm-palworld";mac = "02:00:00:00:00:01";}];
+  };
+}

hosts/lithium/microvms/palworld/default.nix

@@ -0,0 +1,107 @@
+{ config, pkgs, lib, ... }:
+{
+  # Host Firewall
+  networking.firewall.allowedUDPPorts = [ 8211 ];
+  #networking.nat = {
+    #enable = true;
+    #enableIPv6 = true;
+    #externalInterface = "eth0";
+    #internalInterfaces = [ "microvm" ];
+  #};
+
+  microvm.vms.palworld-server = {
+    # Basic Requirements
+    # https://docs.palworldgame.com/getting-started/requirements
+    #hypervisor = "qemu";
+    vcpu = 4;
+    memory = 16348;
+
+    # Networking
+    interfaces = [{ type = "user"; id = "main-net"; }];
+
+    # Interface Name on the Host
+    # Ethernet Address of MicroVM's interface.
+    # Locally administered have one of 2/6/A/E in the second nibble.
+    #interfaces = [{type = "tap";id = "vm-palworld";mac = "02:00:00:00:00:01";}];
+    #forwardPorts = [
+      #{ proto = "udp"; from = "host"; host.port = 8211; guest.port = 8211; }
+      # Optional: If you need RCON or other ports, add them here
+      # { proto = "tcp"; from = "host"; host.port = 25575; guest.port = 25575; }
+    #];
+
+    # Persistent Data
+    sharedDirectories = [
+      {
+        source = "/var/lib/palworld-data";
+        target = "/var/lib/palworld-server";
+        readonly = false;
+      }
+    ];
+
+    # VM NixOS Configuration
+    config = {
+      imports = [ pkgs.nixosModules.notDetected ];
+
+      networking.hostName = "palworld-vm";
+      time.timeZone = "America/Chicago";
+
+      environment.systemPackages = with pkgs; [
+        steamcmd
+        #glibc
+        #gnumake
+        #cff
+      ];
+
+      # Pre-VM-Start
+      binScripts.tap-up = lib.mkAfter ''
+        ${lib.getExe' pkgs.iproute2 "ip"} link set dev 'vm-ixp-as11201p' master 'ixp-peering'
+      '';
+
+      # Service Definition
+      systemd.services.palworld-dedicated = {
+        description = "Palworld Dedicated Server";
+        wantedBy = [ "multi-user.target" ];
+        after = [ "network.target" ];
+        serviceConfig = {
+          Type = "simple";
+          User = "palworld";
+          Group = "palworld";
+          # Working Directory points to where steamcmd installs the server
+          WorkingDirectory = "/var/lib/palworld-server/Pal/Binaries/Win64";
+          ExecStart = ''
+            ${pkgs.steam-run}/bin/steam-run ${pkgs.bash}/bin/bash -c '\
+              ${pkgs.steamcmd}/bin/steamcmd \
+              +force_install_dur /var/lib/palworld-server \
+              +login anonymous \
+              +app_update 2394010 validate \
+              +quit \
+            && \
+              ./PalServer.sh -userperfthreads -NoAsyncLoadingThread -UseNvidiaServers -nosteamclient \
+                -Players=8 -Port=8211 -queryport=27015 -PublicPort=8211 -PublicIP=\"\" -RCONEnabled=False
+            '
+          '';
+          Restart = "on-failure";
+          RestartSec = "5s";
+          LimitNPROC = 10000;
+          LimitNOFILE = 100000;
+        };
+      };
+
+      # User and Group Configuration
+      users.users.palworld = {
+        isSystem = true;
+        group = "palworld";
+        createHome = false;
+      };
+      users.groups.palworld = {};
+
+      # Firewall Configuration
+      networking.firewall.allowedUDPPorts = [ 8211 ];
+
+      # Ensure correct permissions for shared directory
+      systemd.tmpfiles.rules = [
+        "d /var/lib/palworld-server 0755 palworld palworld -"
+      ];
+    };
+  };
+}

hosts/lithium/microvms/valheim.nix

@@ -0,0 +1,50 @@
+{ config, lib, pkgs, ... }:
+{
+  microvm.vms.valheim  = {
+    autoStart = true;
+    memorySize = 4096;
+    vcpu = 2;
+
+    forwardPorts = [
+      { from = "host"; hostPort = 2456; guestPort = 2456; proto = "udp"; }
+      { from = "host"; hostPort = 2457; guestPort = 2457; proto = "udp"; }
+    ];
+
+    # NOTE: For games with large save files, choose a path in "/tank" for
+    # storage.
+    sharedDirectories = [
+      {
+        hostPath = "/srv/game-data-valheim";
+        guestPath = "/data";
+        tag = "valheim-data";
+        readOnly = false;
+      }
+    ];
+
+    packages = [ pkgs.steamcmd pkgs.steam-run ];
+
+    users.users.valheim = {
+      isNormalUser = true;
+      home = "/home/valheim";
+      extraGroups = [ "wheel" ];
+    };
+
+    systemd.services.valheim = {
+      description = "Valheim Dedicated Server";
+      wantedBy = [ "multi-user.target" ];
+      serviceConfig = {
+        workingDirectory = "/data";
+        ExecStart = ''
+          ${pkgs.steam-run}/bin/steam-run ./valheim_server.x86_64 \
+            -name "Valheim NixOS" \
+            -port 2456 \
+            -world "FlatEarth" \
+            -password "secret" \
+            -public 1
+        '';
+        Restart = "always";
+        User = "valheim";
+      };
+    };
+  };
+}