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21573af9fb
This used to work with systemd-nspawn 203, because it bind-mounted /etc/resolv.conf (so openresolv couldn't overwrite it). Now it's just copied, so we need some special handling.
112 lines
3.2 KiB
Nix
112 lines
3.2 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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{
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config = mkIf config.boot.isContainer {
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sound.enable = mkDefault false;
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networking.useHostResolvConf = true;
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# Provide a login prompt on /var/lib/login.socket. On the host,
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# you can connect to it by running ‘socat
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# unix:<path-to-container>/var/lib/login.socket -,echo=0,raw’.
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systemd.sockets.login =
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{ description = "Login Socket";
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wantedBy = [ "sockets.target" ];
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socketConfig =
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{ ListenStream = "/var/lib/login.socket";
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SocketMode = "0666";
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Accept = true;
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};
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};
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systemd.services."login@" =
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{ description = "Login %i";
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environment.TERM = "linux";
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serviceConfig =
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{ Type = "simple";
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StandardInput = "socket";
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ExecStart = "${pkgs.socat}/bin/socat -t0 - exec:${pkgs.shadow}/bin/login,pty,setsid,setpgid,stderr,ctty";
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TimeoutStopSec = 1; # FIXME
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};
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restartIfChanged = false;
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};
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# Also provide a root login prompt on /var/lib/root-login.socket
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# that doesn't ask for a password. This socket can only be used by
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# root on the host.
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systemd.sockets.root-login =
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{ description = "Root Login Socket";
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wantedBy = [ "sockets.target" ];
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socketConfig =
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{ ListenStream = "/var/lib/root-login.socket";
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SocketMode = "0600";
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Accept = true;
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};
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};
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systemd.services."root-login@" =
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{ description = "Root Login %i";
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environment.TERM = "linux";
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serviceConfig =
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{ Type = "simple";
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StandardInput = "socket";
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ExecStart = "${pkgs.socat}/bin/socat -t0 - \"exec:${pkgs.shadow}/bin/login -f root,pty,setsid,setpgid,stderr,ctty\"";
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TimeoutStopSec = 1; # FIXME
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};
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restartIfChanged = false;
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};
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# Provide a daemon on /var/lib/run-command.socket that reads a
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# command from stdin and executes it.
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systemd.sockets.run-command =
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{ description = "Run Command Socket";
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wantedBy = [ "sockets.target" ];
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socketConfig =
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{ ListenStream = "/var/lib/run-command.socket";
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SocketMode = "0600"; # only root can connect
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Accept = true;
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};
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};
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systemd.services."run-command@" =
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{ description = "Run Command %i";
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environment.TERM = "linux";
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serviceConfig =
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{ Type = "simple";
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StandardInput = "socket";
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TimeoutStopSec = 1; # FIXME
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};
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script =
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''
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#! ${pkgs.stdenv.shell} -e
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source /etc/bashrc
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read c
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eval "command=($c)"
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exec "''${command[@]}"
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'';
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restartIfChanged = false;
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};
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systemd.services.container-startup-done =
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{ description = "Container Startup Notification";
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wantedBy = [ "multi-user.target" ];
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after = [ "multi-user.target" ];
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script =
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''
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if [ -p /var/lib/startup-done ]; then
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echo done > /var/lib/startup-done
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fi
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'';
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serviceConfig.Type = "oneshot";
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serviceConfig.RemainAfterExit = true;
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restartIfChanged = false;
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};
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};
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}
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