Rodrigo Arias Mallo
95ca7b8750
When the power comes back, we don't know if the AC unit will be operating properly or if the room will be at a safe temperature. So, instead of powering all the machines back, only configure the login to power on, so we can check the state of the room and power the rest of the machines.
88 lines
2.7 KiB
Nix
88 lines
2.7 KiB
Nix
{ lib, config, pkgs, ... }:
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{
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imports = [
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../common/base.nix
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../common/xeon/console.nix
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../module/emulation.nix
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../module/nvidia.nix
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../module/power-policy.nix
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];
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power.policy = "always-on";
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# Don't turn off on August as UPC has different dates.
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# Fox works fine on power cuts.
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systemd.timers.august-shutdown.enable = false;
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# Select the this using the ID to avoid mismatches
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boot.loader.grub.device = "/dev/disk/by-id/wwn-0x500a07514b0c1103";
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# No swap, there is plenty of RAM
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swapDevices = lib.mkForce [];
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boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" ];
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boot.kernelModules = [ "kvm-amd" "amd_uncore" ];
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hardware.cpu.amd.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
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hardware.cpu.intel.updateMicrocode = lib.mkForce false;
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# Use performance for benchmarks
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powerManagement.cpuFreqGovernor = "performance";
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# Disable NUMA balancing
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boot.kernel.sysctl."kernel.numa_balancing" = 0;
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# Expose kernel addresses
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boot.kernel.sysctl."kernel.kptr_restrict" = 0;
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services.openssh.settings.X11Forwarding = true;
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networking = {
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timeServers = [ "ntp1.upc.edu" "ntp2.upc.edu" ];
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hostName = "fox";
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# UPC network (may change over time, use DHCP)
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# Public IP configuration:
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# - Hostname: fox.ac.upc.edu
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# - IP: 147.83.30.141
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# - Gateway: 147.83.30.130
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# - NetMask: 255.255.255.192
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# Private IP configuration for BMC:
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# - Hostname: fox-ipmi.ac.upc.edu
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# - IP: 147.83.35.27
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# - Gateway: 147.83.35.2
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# - NetMask: 255.255.255.0
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interfaces.enp1s0f0np0.useDHCP = true;
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};
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# Use hut for cache
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nix.settings = {
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extra-substituters = [ "https://jungle.bsc.es/cache" ];
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extra-trusted-public-keys = [ "jungle.bsc.es:pEc7MlAT0HEwLQYPtpkPLwRsGf80ZI26aj29zMw/HH0=" ];
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};
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# Recommended for new graphics cards
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hardware.nvidia.open = true;
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# Mount NVME disks
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fileSystems."/nvme0" = { device = "/dev/disk/by-label/nvme0"; fsType = "ext4"; };
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fileSystems."/nvme1" = { device = "/dev/disk/by-label/nvme1"; fsType = "ext4"; };
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# Make a /nvme{0,1}/$USER directory for each user.
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systemd.services.create-nvme-dirs = let
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# Take only normal users in fox
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users = lib.filterAttrs (_: v: v.isNormalUser) config.users.users;
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commands = lib.concatLists (lib.mapAttrsToList
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(_: user: [
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"install -d -o ${user.name} -g ${user.group} -m 0755 /nvme{0,1}/${user.name}"
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]) users);
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script = pkgs.writeShellScript "create-nvme-dirs.sh" (lib.concatLines commands);
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in {
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enable = true;
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wants = [ "local-fs.target" ];
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after = [ "local-fs.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig.ExecStart = script;
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};
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}
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