diff options
Diffstat (limited to 'nixos/modules/services/databases/4store-endpoint.nix')
-rw-r--r-- | nixos/modules/services/databases/4store-endpoint.nix | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/nixos/modules/services/databases/4store-endpoint.nix b/nixos/modules/services/databases/4store-endpoint.nix new file mode 100644 index 00000000000..7b03b4d8f1d --- /dev/null +++ b/nixos/modules/services/databases/4store-endpoint.nix @@ -0,0 +1,72 @@ +{ config, pkgs, ... }: +let + cfg = config.services.fourStoreEndpoint; + endpointUser = "fourstorehttp"; + run = "${pkgs.su}/bin/su -s ${pkgs.stdenv.shell} ${endpointUser} -c"; +in +with pkgs.lib; +{ + + ###### interface + + options = { + + services.fourStoreEndpoint = { + + enable = mkOption { + default = false; + description = "Whether to enable 4Store SPARQL endpoint."; + }; + + database = mkOption { + default = config.services.fourStore.database; + description = "RDF database name to expose via the endpoint. Defaults to local 4Store database name."; + }; + + listenAddress = mkOption { + default = null; + description = "IP address to listen on."; + }; + + port = mkOption { + default = 8080; + description = "port to listen on."; + }; + + options = mkOption { + default = ""; + description = "Extra CLI options to pass to 4Store's 4s-httpd process."; + }; + + }; + + }; + + + ###### implementation + + config = mkIf cfg.enable ( + mkAssert (cfg.enable -> cfg.database != "") + "Must specify database name" { + + users.extraUsers = singleton + { name = endpointUser; + uid = config.ids.uids.fourStoreEndpoint; + description = "4Store SPARQL endpoint user"; +# home = stateDir; + }; + + services.avahi.enable = true; + + jobs.fourStoreEndpoint = { + name = "4store-endpoint"; + startOn = "filesystem"; + + exec = '' + ${run} '${pkgs.rdf4store}/bin/4s-httpd -D ${cfg.options} ${if cfg.listenAddress!=null then "-H ${cfg.listenAddress}" else "" } -p ${toString cfg.port} ${cfg.database}' + ''; + }; + + }); + +} |