Netboot: Difference between revisions

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@@ Line 65: / Line 65: @@
 === Another example ===
-File <code>netboot.nix</code>:
+{{file|netboot.nix|nix|
-<syntaxHighlight lang=nix copy>
+<nowiki>
-{ name ? "netboot", arch ? "x86_64-linux"
+{
-, configuration ? _: {} # --arg configuration 'import ./netboot-config.nix'
+  name ? "netboot",
-, legacy ? false # variation with pxelinux and dnsmasq for older systems
+  arch ? "x86_64-linux",
-, cmdline ? []
+  configuration ? _: { }, # --arg configuration 'import ./netboot-config.nix'
-, loglevel ? 4
+  legacy ? false, # variation with pxelinux and dnsmasq for older systems
-, pixiecoreport ? 64172
+  cmdline ? [ ],
-, proxynets ? [ "192.168.0.0" ]
+  loglevel ? 4,
-, serialconsole ? false
+  pixiecoreport ? 64172,
-, serialport ? 0
+  proxynets ? [ "192.168.0.0" ],
-, serialspeed ? 9600
+  serialconsole ? false,
-, nixpkgs ? import <nixpkgs> {}, ... }:
+  serialport ? 0,
-with nixpkgs; with lib; let
+  serialspeed ? 9600,
+  nixpkgs ? import <nixpkgs> { },
+  ...
+}:
+with nixpkgs;
+with lib;
+let
-   example-configuration = {pkgs, config, ...}: with pkgs; {
+   example-configuration =
-    config = {
+    { pkgs, config, ... }:
-      environment.systemPackages = [
+    with pkgs;
-        mtr bridge-utils vlan ethtool jwhois sipcalc
+    {
-        netcat-openbsd tsocks psmisc pciutils usbutils
+      config = {
-        lm_sensors dmidecode microcom unar mkpasswd ripgrep
+        environment.systemPackages = [
-        wget rsync sshfs-fuse iperf3 mc mutt borgbackup
+          mtr
-        rxvt_unicode.terminfo
+          bridge-utils
-      ];
+          vlan
-      # users.users.nixos.openssh.authorizedKeys.keys = [ … ];
+          ethtool
-      # services.openssh = { ports = [2]; settings.PasswordAuthentication = false; };
+          jwhois
-      # virtualisation.lxc.enable = true;
+          sipcalc
+          netcat-openbsd
+          tsocks
+          psmisc
+          pciutils
+          usbutils
+          lm_sensors
+          dmidecode
+          microcom
+          unar
+          mkpasswd
+          ripgrep
+          wget
+          rsync
+          sshfs-fuse
+          iperf3
+          mc
+          mutt
+          borgbackup
+          rxvt_unicode.terminfo
+        ];
+        # users.users.nixos.openssh.authorizedKeys.keys = [ … ];
+        # services.openssh = { ports = [2]; settings.PasswordAuthentication = false; };
+        # virtualisation.lxc.enable = true;
+      };
      };
-  };
    config = import <nixpkgs/nixos/lib/eval-config.nix> {
@@ Line 106: / Line 135: @@
    };
-   version-module = { config, ... }: {
+   version-module =
-    system.stateVersion = config.system.nixos.version; # be quiet
+    { config, ... }:
-    system.nixos.tags = [ name ];
+    {
-  };
+      system.stateVersion = config.system.nixos.version; # be quiet
+      system.nixos.tags = [ name ];
+    };
    run-pixiecore = writeShellScript "${name}-run-pixiecore" ''
@@ Line 125: / Line 156: @@
    '';
-   tftp-root = linkFarm "${name}-tftp-root"
+   tftp-root = linkFarm "${name}-tftp-root" (
-     ( mapAttrsToList (name: path: { inherit name path; }) {
+     mapAttrsToList (name: path: { inherit name path; }) {
        "pxelinux.cfg/default" = pxelinux-cfg;
-       "pxelinux.0"           = "syslinux/pxelinux.0";
+       "pxelinux.0" = "syslinux/pxelinux.0";
-       "syslinux"             = "${syslinux}/share/syslinux";
+       "syslinux" = "${syslinux}/share/syslinux";
-       "bzImage"              = kernel;
+       "bzImage" = kernel;
-       "initrd"               = initrd;
+       "initrd" = initrd;
-     } );
+     }
+  );
    dnsmasq-conf = writeText "${name}-dnsmasq-conf" ''
@@ Line 138: / Line 170: @@
      local-service=net
      dhcp-boot=pxelinux.0
-     ${ flip concatMapStrings proxynets (net: ''
+     ${flip concatMapStrings proxynets (net: ''
        dhcp-range=${net},proxy
      '')}
@@ Line 149: / Line 181: @@
    '';
-   cmd-line = concatStringsSep " "
+   cmd-line = concatStringsSep " " (
-     ([ "init=${build.toplevel}/init" "loglevel=${toString loglevel}" ]
+     [
-     ++ optional serialconsole
+      "init=${build.toplevel}/init"
-      "console=ttyS${toString serialport},${toString serialspeed}"
+      "loglevel=${toString loglevel}"
-     ++ cmdline );
+    ]
+     ++ optional serialconsole "console=ttyS${toString serialport},${toString serialspeed}"
+     ++ cmdline
+  );
    pxelinux-cfg = writeText "${name}-pxelinux.cfg" ''
-     ${ optionalString serialconsole
+     ${optionalString serialconsole "serial ${toString serialport} ${toString serialspeed}"}
-      "serial ${toString serialport} ${toString serialspeed}" }
      console 1
      prompt 1
@@ Line 172: / Line 206: @@
    initrd = "${build.netbootRamdisk}/initrd";
-in if legacy then run-dnsmasq else run-pixiecore
+in
-</syntaxHighlight>
+if legacy then run-dnsmasq else run-pixiecore
+</nowiki>
+}}
 Usage example: