75 lines
1.7 KiB
Nix
75 lines
1.7 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.services.fourStoreEndpoint;
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endpointUser = "fourstorehttp";
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run = "${pkgs.su}/bin/su -s ${pkgs.runtimeShell} ${endpointUser} -c";
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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.fourStoreEndpoint = {
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enable = mkOption {
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default = false;
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description = "Whether to enable 4Store SPARQL endpoint.";
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};
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database = mkOption {
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default = config.services.fourStore.database;
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description = "RDF database name to expose via the endpoint. Defaults to local 4Store database name.";
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};
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listenAddress = mkOption {
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default = null;
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description = "IP address to listen on.";
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};
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port = mkOption {
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default = 8080;
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description = "port to listen on.";
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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's 4s-httpd process.";
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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.users = singleton
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{ name = endpointUser;
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uid = config.ids.uids.fourstorehttp;
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description = "4Store SPARQL endpoint user";
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};
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services.avahi.enable = true;
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systemd.services."4store-endpoint" = {
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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script = ''
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${run} '${pkgs.rdf4store}/bin/4s-httpd -D ${cfg.options} ${if cfg.listenAddress!=null then "-H ${cfg.listenAddress}" else "" } -p ${toString cfg.port} ${cfg.database}'
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'';
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};
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};
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}
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