69 lines
2.5 KiB
Nix
69 lines
2.5 KiB
Nix
# This file provides compatibility for NixOS to run in a container on vpsAdminOS
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# hosts.
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#
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# If you're experiencing issues, try updating this file to the latest version
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# from vpsAdminOS repository:
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#
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# https://github.com/vpsfreecz/vpsadminos/blob/staging/os/lib/nixos-container/vpsadminos.nix
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{ config, pkgs, lib, ... }:
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with lib;
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let
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nameservers = [
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"1.1.1.1"
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"2606:4700:4700::1111"
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];
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in
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{
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networking.nameservers = mkDefault nameservers;
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services.resolved = mkDefault { fallbackDns = nameservers; };
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networking.dhcpcd.extraConfig = "noipv4ll";
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systemd.services.systemd-sysctl.enable = false;
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systemd.services.systemd-oomd.enable = false;
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systemd.sockets."systemd-journald-audit".enable = false;
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systemd.mounts = [{ where = "/sys/kernel/debug"; enable = false; }];
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systemd.services.rpc-gssd.enable = false;
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# Due to our restrictions in /sys, the default systemd-udev-trigger fails
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# on accessing PCI devices, etc. Override it to match only network devices.
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# In addition, boot.isContainer prevents systemd-udev-trigger.service from
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# being enabled at all, so add it explicitly.
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systemd.additionalUpstreamSystemUnits = [
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"systemd-udev-trigger.service"
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];
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systemd.services.systemd-udev-trigger.serviceConfig.ExecStart = [
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""
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"-udevadm trigger --subsystem-match=net --action=add"
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];
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boot.isContainer = true;
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boot.enableContainers = mkDefault true;
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boot.loader.initScript.enable = true;
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boot.specialFileSystems."/run/keys".fsType = mkForce "tmpfs";
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boot.systemdExecutable = mkDefault "/run/current-system/systemd/lib/systemd/systemd systemd.unified_cgroup_hierarchy=0";
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# Overrides for <nixpkgs/nixos/modules/virtualisation/container-config.nix>
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documentation.enable = mkOverride 500 true;
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documentation.nixos.enable = mkOverride 500 true;
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networking.useHostResolvConf = mkOverride 500 false;
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services.openssh.startWhenNeeded = mkOverride 500 false;
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# Bring up the network, /ifcfg.{add,del} are supplied by the vpsAdminOS host
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systemd.services.networking-setup = {
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description = "Load network configuration provided by the vpsAdminOS host";
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before = [ "network.target" ];
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wantedBy = [ "network.target" ];
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after = [ "network-pre.target" ];
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path = [ pkgs.iproute2 ];
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serviceConfig = {
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = "${pkgs.bash}/bin/bash /ifcfg.add";
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ExecStop = "${pkgs.bash}/bin/bash /ifcfg.del";
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};
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unitConfig.ConditionPathExists = "/ifcfg.add";
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restartIfChanged = false;
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};
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}
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