b1b384ccb3
These are the necessary changes for updating to 0.12, which supports dispatcherless operation by foregoing the dispatcher's unix socket in favour of UDP
79 lines
2.2 KiB
Nix
79 lines
2.2 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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with lib;
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let
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globalCfg = config.services.scion;
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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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local_udp_forwarding = true;
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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" (recursiveUpdate 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 "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 = ''
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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 = "${pkgs.coreutils}/bin/rm -rf /run/shm/dispatcher";
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ExecStart = "${globalCfg.package}/bin/scion-dispatcher --config ${configFile}";
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Restart = "on-failure";
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${if globalCfg.stateless then "RuntimeDirectory" else "StateDirectory"} = "scion-dispatcher";
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};
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};
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};
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}
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