29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
94 lines
2.3 KiB
Nix
94 lines
2.3 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.notbit;
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varDir = "/var/lib/notbit";
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sendmail = pkgs.stdenv.mkDerivation {
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name = "notbit-wrapper";
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buildInputs = [ pkgs.makeWrapper ];
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propagatedBuildInputs = [ pkgs.notbit ];
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buildCommand = ''
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mkdir -p $out/bin
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makeWrapper ${pkgs.notbit}/bin/notbit-sendmail $out/bin/notbit-system-sendmail \
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--set XDG_RUNTIME_DIR ${varDir}
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'';
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};
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in
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with lib;
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{
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### configuration
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options = {
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services.notbit = {
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enable = mkOption {
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type = types.uniq types.bool;
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default = false;
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description = ''
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Enables the notbit daemon and provides a sendmail binary named `notbit-system-sendmail` for sending mail over the system instance of notbit. Users must be in the notbit group in order to send mail over the system notbit instance. Currently mail recipt is not supported.
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'';
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};
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port = mkOption {
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type = types.uniq types.int;
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default = 8443;
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description = "The port which the daemon listens for other bitmessage clients";
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};
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nice = mkOption {
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type = types.uniq types.int;
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default = 10;
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description = "Set the nice level for the notbit daemon";
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};
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};
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};
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### implementation
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config = mkIf cfg.enable {
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environment.systemPackages = [ pkgs.notbit sendmail ];
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systemd.services.notbit = {
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description = "Notbit daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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path = [ pkgs.notbit ];
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environment = { XDG_RUNTIME_DIR = varDir; };
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postStart = ''
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[ ! -f "${varDir}/addr" ] && notbit-keygen > ${varDir}/addr
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chmod 0640 ${varDir}/{addr,notbit/notbit-ipc.lock}
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chmod 0750 ${varDir}/notbit/{,notbit-ipc}
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'';
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serviceConfig = {
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Type = "forking";
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ExecStart = "${pkgs.notbit}/bin/notbit -d -p ${toString cfg.port}";
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User = "notbit";
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Group = "notbit";
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UMask = "0077";
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WorkingDirectory = varDir;
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Nice = cfg.nice;
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};
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};
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users.extraUsers.notbit = {
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group = "notbit";
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description = "Notbit daemon user";
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home = varDir;
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createHome = true;
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uid = config.ids.uids.notbit;
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};
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users.extraGroups.notbit.gid = config.ids.gids.notbit;
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};
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}
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