89 lines
2.0 KiB
Nix
89 lines
2.0 KiB
Nix
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{ config, pkgs, ... }:
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let
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cfg = config.services.monetdb;
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monetdbUser = "monetdb";
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in
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with pkgs.lib;
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{
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###### interface
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options = {
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services.monetdb = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = "Whether to enable MonetDB database server.";
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};
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package = mkOption {
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type = types.path;
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description = "MonetDB package to use.";
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};
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dbfarmDir = mkOption {
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type = types.path;
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default = "/var/lib/monetdb";
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description = ''
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Specifies location of Monetdb dbfarm (keeps database and auxiliary files).
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'';
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};
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port = mkOption {
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default = "50000";
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example = "50000";
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description = "Port to listen on.";
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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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users.extraUsers.monetdb =
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{ name = monetdbUser;
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uid = config.ids.uids.monetdb;
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description = "monetdb user";
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home = cfg.dbfarmDir;
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};
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users.extraGroups.monetdb.gid = config.ids.gids.monetdb;
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environment.systemPackages = [ cfg.package ];
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systemd.services.monetdb =
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{ description = "MonetDB Server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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path = [ cfg.package ];
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preStart =
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''
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# Initialise the database.
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if ! test -e ${cfg.dbfarmDir}/.merovingian_properties; then
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mkdir -m 0700 -p ${cfg.dbfarmDir}
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chown -R ${monetdbUser} ${cfg.dbfarmDir}
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${cfg.package}/bin/monetdbd create ${cfg.dbfarmDir}
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${cfg.package}/bin/monetdbd set port=${cfg.port} ${cfg.dbfarmDir}
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fi
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'';
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serviceConfig.ExecStart = "${cfg.package}/bin/monetdbd start -n ${cfg.dbfarmDir}";
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serviceConfig.ExecStop = "${cfg.package}/bin/monetdbd stop ${cfg.dbfarmDir}";
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unitConfig.RequiresMountsFor = "${cfg.dbfarmDir}";
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};
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};
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}
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