commit 397d5560f235d9a23e46e7a6ef751d7ce1c4733a · pyrox.dev/nixpkgs

nixos/modules/module-list.nix

···

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         ./services/cluster/patroni/default.nix

     

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         ./services/cluster/rke2/default.nix

     

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         ./services/cluster/spark/default.nix

     

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         ./services/cluster/temporal/default.nix

     

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         ./services/computing/boinc/client.nix

     

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         ./services/computing/foldingathome/client.nix

     

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         ./services/computing/slurm/slurm.nix

+146

nixos/modules/services/cluster/temporal/default.nix

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       {

     

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         config,

     

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         lib,

     

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         pkgs,

     

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         ...

     

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       }:

     

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       let

     

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         cfg = config.services.temporal;

     

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       +
       

     

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         settingsFormat = pkgs.formats.yaml { };

     

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         usingDefaultDataDir = cfg.dataDir == "/var/lib/temporal";

     

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         usingDefaultUserAndGroup = cfg.user == "temporal" && cfg.group == "temporal";

     

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       in

     

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       {

     

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         meta.maintainers = [ lib.maintainers.jpds ];

     

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       +
       

     

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         options.services.temporal = {

     

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           enable = lib.mkEnableOption "Temporal";

     

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           package = lib.mkPackageOption pkgs "Temporal" {

     

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             default = [ "temporal" ];

     

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           };

     

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       +
       

     

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           settings = lib.mkOption {

     

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             type = lib.types.submodule {

     

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               freeformType = settingsFormat.type;

     

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             };

     

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             description = ''

     

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               Temporal configuration.

     

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               See <https://docs.temporal.io/references/configuration> for more

     

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               information about Temporal configuration options

     

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             '';

     

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           };

     

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       +
       

     

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           dataDir = lib.mkOption {

     

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             type = lib.types.path;

     

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             default = "/var/lib/temporal";

     

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             apply = lib.converge (lib.removeSuffix "/");

     

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             description = ''

     

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               Data directory for Temporal. If you change this, you need to

     

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               manually create the directory. You also need to create the

     

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               `temporal` user and group, or change

     

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               [](#opt-services.temporal.user) and

     

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               [](#opt-services.temporal.group) to existing ones with

     

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               access to the directory.

     

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             '';

     

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           };

     

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       +
       

     

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           user = lib.mkOption {

     

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             type = lib.types.str;

     

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             default = "temporal";

     

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             description = ''

     

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               The user Temporal runs as. Should be left at default unless

     

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               you have very specific needs.

     

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             '';

     

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           };

     

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       +
       

     

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           group = lib.mkOption {

     

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             type = lib.types.str;

     

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             default = "temporal";

     

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             description = ''

     

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               The group temporal runs as. Should be left at default unless

     

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               you have very specific needs.

     

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             '';

     

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           };

     

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       +
       

     

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           restartIfChanged = lib.mkOption {

     

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             type = lib.types.bool;

     

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             description = ''

     

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               Automatically restart the service on config change.

     

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               This can be set to false to defer restarts on a server or cluster.

     

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               Please consider the security implications of inadvertently running an older version,

     

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               and the possibility of unexpected behavior caused by inconsistent versions across a cluster when disabling this option.

     

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             '';

     

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             default = true;

     

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           };

     

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         };

     

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         config = lib.mkIf cfg.enable {

     

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           environment.etc."temporal/temporal-server.yaml".source =

     

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             settingsFormat.generate "temporal-server.yaml" cfg.settings;

     

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           systemd.services.temporal = {

     

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             description = "Temporal server";

     

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             wantedBy = [ "multi-user.target" ];

     

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             after = [ "network.target" ];

     

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             inherit (cfg) restartIfChanged;

     

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             restartTriggers = [ config.environment.etc."temporal/temporal-server.yaml".source ];

     

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             environment = {

     

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               HOME = cfg.dataDir;

     

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             };

     

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             serviceConfig = {

     

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               ExecStart = ''

     

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                 ${cfg.package}/bin/temporal-server --root / --config /etc/temporal/ -e temporal-server start

     

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               '';

     

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               User = cfg.user;

     

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               Group = cfg.group;

     

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               Restart = "on-failure";

     

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               DynamicUser = usingDefaultUserAndGroup && usingDefaultDataDir;

     

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               CapabilityBoundingSet = [ "" ];

     

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               DevicePolicy = "closed";

     

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               LockPersonality = true;

     

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               MemoryDenyWriteExecute = true;

     

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               NoNewPrivileges = true;

     

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               PrivateDevices = true;

     

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               ProcSubset = "pid";

     

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               ProtectClock = true;

     

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               ProtectHome = true;

     

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               ProtectHostname = true;

     

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               ProtectControlGroups = true;

     

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               ProtectKernelLogs = true;

     

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               ProtectKernelModules = true;

     

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               ProtectKernelTunables = true;

     

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               ProtectProc = "invisible";

     

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               ProtectSystem = "strict";

     

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               ReadWritePaths = [

     

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                 cfg.dataDir

     

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               ];

     

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               RestrictAddressFamilies = [

     

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                 "AF_NETLINK"

     

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                 "AF_INET"

     

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                 "AF_INET6"

     

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               ];

     

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               RestrictNamespaces = true;

     

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               RestrictRealtime = true;

     

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               RestrictSUIDSGID = true;

     

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               SystemCallArchitectures = "native";

     

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               SystemCallFilter = [

     

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                 # 1. allow a reasonable set of syscalls

     

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                 "@system-service @resources"

     

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                 # 2. and deny unreasonable ones

     

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                 "~@privileged"

     

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                 # 3. then allow the required subset within denied groups

     

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                 "@chown"

     

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               ];

     

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             }

     

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             // (lib.optionalAttrs (usingDefaultDataDir) {

     

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               StateDirectory = "temporal";

     

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               StateDirectoryMode = "0700";

     

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             });

     

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           };

     

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         };

     

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       }