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syndicate-flake
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nixos: improve config loading for syndicate-server 

Use an intermediary configuration file to allow configuration
reloading.
This commit is contained in:
Emery Hemingway 2022-06-26 09:25:20 -05:00
parent b7bf10234d
commit 327de24ea7
1 changed files with 56 additions and 45 deletions
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101
nixos/syndicate-server.nix
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@ -46,51 +46,62 @@ with lib;
config = { config = {
systemd.services = lib.attrsets.mapAttrs' (name: cfg: { systemd.services = let
name = "syndicate-${name}"; serverCfgs =
value = let lib.attrsets.filterAttrs (_: cfg: cfg.enable) config.services.syndicate;
flags = lib.strings.concatMapStrings (c: " --config ${c}") cfg.config; in builtins.listToAttrs (lib.lists.flatten (lib.attrsets.mapAttrsToList
serviceConfig = { (name: cfg:
ExecStart = let
"${cfg.package}/bin/syndicate-server --no-banner ${flags}"; configFileName = ".syndicate-nixos-config.pr";
User = cfg.user; configFile = pkgs.writeText configFileName
}; (lib.strings.concatMapStrings (dir: ''
in if builtins.match "tty[0-9]" name != null then { <require-service <config-watcher "${dir}" $.>>
enable = true; '') cfg.config);
description = "Syndicate dataspace server"; in [{
after = [ name = "syndicate-${name}";
"systemd-user-sessions.service" value = let
"systemd-logind.service" serviceConfig = let
"getty@${name}.service" linkConfig =
]; "${pkgs.coreutils}/bin/ln -sf ${configFile} ${configFileName}";
before = [ "graphical.target" ]; in {
wants = [ "dbus.socket" "systemd-logind.service" ]; ExecStartPre = linkConfig;
wantedBy = [ "graphical.target" ]; ExecStart =
conflicts = [ "getty@${name}.service" ]; "${cfg.package}/bin/syndicate-server --no-banner --config ${configFileName}";
ExecReload = linkConfig;
restartIfChanged = false; User = cfg.user;
unitConfig.ConditionPathExists = "/dev/${name}"; };
in {
serviceConfig = serviceConfig // { description = "Syndicate dataspace server";
PAMName = "login"; restartIfChanged = false;
StandardError = "journal"; reloadTriggers = [ configFile ];
StandardInput = "tty-fail"; wantedBy = [ "multi-user.target" ];
StandardOutput = "journal"; } // (if builtins.match "tty[0-9]" name == null then {
TTYPath = "/dev/${name}"; inherit serviceConfig;
TTYReset = "yes"; } else {
TTYVHangup = "yes"; after = [
TTYVTDisallocate = "yes"; "systemd-user-sessions.service"
UtmpIdentifier = "%n"; "systemd-logind.service"
UtmpMode = "user"; "getty@${name}.service"
WorkingDirectory = "~"; ];
}; wants = [ "dbus.socket" "systemd-logind.service" ];
} else { conflicts = [ "getty@${name}.service" ];
description = "Syndicate dataspace server"; unitConfig.ConditionPathExists = "/dev/${name}";
wantedBy = [ "multi-user.target" ]; serviceConfig = serviceConfig // {
inherit serviceConfig; PAMName = "login";
}; StandardError = "journal";
}) StandardInput = "tty-fail";
(lib.attrsets.filterAttrs (_: cfg: cfg.enable) config.services.syndicate); StandardOutput = "journal";
TTYPath = "/dev/${name}";
TTYReset = "yes";
TTYVHangup = "yes";
TTYVTDisallocate = "yes";
UtmpIdentifier = "%n";
UtmpMode = "user";
WorkingDirectory = "~";
};
});
}]) (lib.attrsets.filterAttrs (_: cfg: cfg.enable)
config.services.syndicate)));
systemd.targets.multi-user.wants = lib.lists.flatten systemd.targets.multi-user.wants = lib.lists.flatten
(lib.attrsets.mapAttrsToList (lib.attrsets.mapAttrsToList