NixOS configuration for HPC cluster
https://docs.hpc.informatik.hs-fulda.de/
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93 lines
2.2 KiB
93 lines
2.2 KiB
# TFTP boot with shared image
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# Requests store path to install from master
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# Runs disko and nixos-install
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{ pkgs, lib, config, nodes, ... }@args:
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with lib;
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let
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targets = {
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"50:46:5d:da:0b:d6" = "node-00";
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"50:46:5d:da:0c:56" = "node-01";
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"50:46:5d:da:0c:52" = "node-02";
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"10:bf:48:1f:a6:8f" = "node-03";
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# "10:bf:48:1b:57:47" = "node-04";
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# "10:bf:48:19:a2:4d" = "node-05";
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# "10:bf:48:1b:56:df" = "node-06";
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};
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installer = pkgs.nixos [
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./installer.nix
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{
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_module.args = {
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managerConfig = config;
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};
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}
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];
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commands = pkgs.symlinkJoin {
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name = "pxeboot";
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paths = mapAttrsToList
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(mac: name:
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let
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node = nodes.${name}.config.system.build;
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boot = installer.config.system.build;
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install = pkgs.writers.writeBash "install-${name}" ''
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set -o errexit
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set -o nounset
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set -o pipefail
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"${node.diskoScript}"
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"${node.nixos-install}/bin/nixos-install" \
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--root /mnt \
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--system "${node.toplevel}" \
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--no-channel-copy \
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--no-root-password \
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--verbose
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reboot
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'';
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in
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pkgs.writers.writeBashBin "pxe-install-${name}" ''
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exec ${pkgs.pixiecore}/bin/pixiecore \
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boot "${boot.kernel}/bzImage" "${boot.netbootRamdisk}/initrd" \
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--cmdline "init=${boot.toplevel}/init loglevel=4 nixos.install=${install}" \
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--debug \
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--dhcp-no-bind \
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--port 64172 \
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--status-port 64172 \
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"$@"
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'')
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targets;
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};
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in
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{
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environment.systemPackages = [ commands ];
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services.dhcpd4 = {
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enable = true;
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interfaces = [ "enp11s0f0" ];
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extraConfig = ''
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option domain-name-servers 10.0.0.53, 10.1.1.10;
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option domain-name "${config.networking.domain}";
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subnet 10.32.47.0 netmask 255.255.255.0 {
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interface enp11s0f0;
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range 10.32.47.200 10.32.47.230;
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option routers 10.32.47.1;
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}
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'';
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};
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networking.firewall = {
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allowedTCPPorts = [ 4011 64172 ];
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allowedUDPPorts = [ 67 69 ];
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};
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}
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