27bc34f1e4
Systemd upstream provides targets for networking. This also includes a target network-online.target. In this PR I remove / replace most occurrences since some of them were even wrong and could delay startup.
73 lines
1.6 KiB
Nix
73 lines
1.6 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.fourStore;
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stateDir = "/var/lib/4store";
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fourStoreUser = "fourstore";
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run = "${pkgs.su}/bin/su -s ${pkgs.stdenv.shell} ${fourStoreUser}";
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in
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with lib;
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{
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###### interface
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options = {
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services.fourStore = {
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enable = mkOption {
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default = false;
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description = "Whether to enable 4Store RDF database server.";
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};
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database = mkOption {
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default = "";
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description = "RDF database name. If it doesn't exist, it will be created. Databases are stored in ${stateDir}.";
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};
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options = mkOption {
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default = "";
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description = "Extra CLI options to pass to 4Store.";
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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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assertions = singleton
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{ assertion = cfg.enable -> cfg.database != "";
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message = "Must specify 4Store database name.";
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};
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users.extraUsers = singleton
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{ name = fourStoreUser;
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uid = config.ids.uids.fourstore;
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description = "4Store database user";
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home = stateDir;
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};
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services.avahi.enable = true;
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systemd.services."4store" = {
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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mkdir -p ${stateDir}/
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chown ${fourStoreUser} ${stateDir}
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if ! test -e "${stateDir}/${cfg.database}"; then
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${run} -c '${pkgs.rdf4store}/bin/4s-backend-setup ${cfg.database}'
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fi
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'';
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script = ''
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${run} -c '${pkgs.rdf4store}/bin/4s-backend -D ${cfg.options} ${cfg.database}'
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'';
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};
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};
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}
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