75 lines
2.1 KiB
Nix
75 lines
2.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.scion.scion-dispatcher;
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toml = pkgs.formats.toml { };
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defaultConfig = {
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dispatcher = {
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id = "dispatcher";
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socket_file_mode = "0770";
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application_socket = "/dev/shm/dispatcher/default.sock";
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};
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log.console = {
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level = "info";
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};
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};
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configFile = toml.generate "scion-dispatcher.toml" (defaultConfig // cfg.settings);
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in
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{
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options.services.scion.scion-dispatcher = {
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enable = mkEnableOption (lib.mdDoc "the scion-dispatcher service");
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settings = mkOption {
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default = { };
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type = toml.type;
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example = literalExpression ''
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{
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dispatcher = {
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id = "dispatcher";
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socket_file_mode = "0770";
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application_socket = "/dev/shm/dispatcher/default.sock";
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};
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log.console = {
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level = "info";
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};
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}
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'';
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description = lib.mdDoc ''
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scion-dispatcher configuration. Refer to
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<https://docs.scion.org/en/latest/manuals/common.html>
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for details on supported values.
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'';
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};
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};
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config = mkIf cfg.enable {
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# Needed for group ownership of the dispatcher socket
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users.groups.scion = {};
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# scion programs hardcode path to dispatcher in /run/shm, and is not
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# configurable at runtime upstream plans to obsolete the dispatcher in
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# favor of an SCMP daemon, at which point this can be removed.
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system.activationScripts.scion-dispatcher = ''
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ln -sf /dev/shm /run/shm
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'';
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systemd.services.scion-dispatcher = {
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description = "SCION Dispatcher";
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after = [ "network-online.target" ];
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wants = [ "network-online.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = {
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Type = "simple";
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Group = "scion";
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DynamicUser = true;
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BindPaths = [ "/dev/shm:/run/shm" ];
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ExecStartPre = "${pkgs.coreutils}/bin/rm -rf /run/shm/dispatcher";
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ExecStart = "${pkgs.scion}/bin/scion-dispatcher --config ${configFile}";
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Restart = "on-failure";
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StateDirectory = "scion-dispatcher";
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};
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};
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};
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}
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