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these changes were generated with nixq 0.0.2, by running nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix two mentions of the mdDoc function remain in nixos/, both of which are inside of comments. Since lib.mdDoc is already defined as just id, this commit is a no-op as far as Nix (and the built manual) is concerned.
109 lines
2.9 KiB
Nix
109 lines
2.9 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.rethinkdb;
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rethinkdb = cfg.package;
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in
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{
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###### interface
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options = {
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services.rethinkdb = {
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enable = mkEnableOption "RethinkDB server";
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#package = mkOption {
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# default = pkgs.rethinkdb;
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# description = "Which RethinkDB derivation to use.";
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#};
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user = mkOption {
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default = "rethinkdb";
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description = "User account under which RethinkDB runs.";
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};
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group = mkOption {
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default = "rethinkdb";
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description = "Group which rethinkdb user belongs to.";
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};
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dbpath = mkOption {
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default = "/var/db/rethinkdb";
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description = "Location where RethinkDB stores its data, 1 data directory per instance.";
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};
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pidpath = mkOption {
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default = "/run/rethinkdb";
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description = "Location where each instance's pid file is located.";
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};
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#cfgpath = mkOption {
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# default = "/etc/rethinkdb/instances.d";
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# description = "Location where RethinkDB stores it config files, 1 config file per instance.";
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#};
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# TODO: currently not used by our implementation.
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#instances = mkOption {
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# type = types.attrsOf types.str;
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# default = {};
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# description = "List of named RethinkDB instances in our cluster.";
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#};
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};
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};
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###### implementation
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config = mkIf config.services.rethinkdb.enable {
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environment.systemPackages = [ rethinkdb ];
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systemd.services.rethinkdb = {
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description = "RethinkDB server";
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" ];
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serviceConfig = {
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# TODO: abstract away 'default', which is a per-instance directory name
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# allowing end user of this nix module to provide multiple instances,
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# and associated directory per instance
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ExecStart = "${rethinkdb}/bin/rethinkdb -d ${cfg.dbpath}/default";
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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User = cfg.user;
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Group = cfg.group;
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PIDFile = "${cfg.pidpath}/default.pid";
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PermissionsStartOnly = true;
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};
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preStart = ''
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if ! test -e ${cfg.dbpath}; then
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install -d -m0755 -o ${cfg.user} -g ${cfg.group} ${cfg.dbpath}
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install -d -m0755 -o ${cfg.user} -g ${cfg.group} ${cfg.dbpath}/default
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chown -R ${cfg.user}:${cfg.group} ${cfg.dbpath}
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fi
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if ! test -e "${cfg.pidpath}/default.pid"; then
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install -D -o ${cfg.user} -g ${cfg.group} /dev/null "${cfg.pidpath}/default.pid"
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fi
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'';
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};
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users.users.rethinkdb = mkIf (cfg.user == "rethinkdb")
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{ name = "rethinkdb";
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description = "RethinkDB server user";
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isSystemUser = true;
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};
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users.groups = optionalAttrs (cfg.group == "rethinkdb") (singleton
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{ name = "rethinkdb";
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});
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};
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}
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