114 lines
2.9 KiB
Nix
114 lines
2.9 KiB
Nix
{ config
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, pkgs
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, lib
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, ...
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}:
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with lib; let
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cfg = config.services.breeze;
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settingsFormat = pkgs.formats.toml { };
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in
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{
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options = {
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services.breeze = {
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enable = mkEnableOption "breeze file server";
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package = mkPackageOption self.packages.${system} "breeze";
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user = mkOption {
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type = types.str;
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default = "breeze";
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description = "User that `breeze` will run under";
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};
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group = mkOption {
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type = types.str;
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default = "breeze";
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description = "Group that `breeze` will run under";
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};
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extraGroups = mkOption {
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type = types.listOf types.str;
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default = [ ];
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description = "Supplementary groups";
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};
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settings = mkOption {
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type = settingsFormat.type;
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default = { };
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description = ''
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The *.toml configuration to run `breeze` with.
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There is no formal documentation, but there is an example in the [readme](https://git.min.rip/min/breeze/src/branch/main/README.md).
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'';
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};
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};
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};
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config = mkIf cfg.enable {
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users.users.${cfg.user} = {
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isSystemUser = true;
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inherit (cfg) group;
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};
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users.groups.${cfg.group} = { };
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systemd.services.breeze = {
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description = "breeze file server";
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after = [ "local-fs.target" "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = rec {
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User = cfg.user;
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Group = cfg.group;
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DynamicUser = false; # we write files, so don't do that
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SupplementaryGroups = cfg.extraGroups;
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StateDirectory = "breeze";
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CacheDirectory = "breeze";
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ExecStart = escapeShellArgs [
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"${cfg.package}/bin/breeze"
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"--config"
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(settingsFormat.generate "breeze.toml" cfg.settings)
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];
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Restart = "on-failure";
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# Security Options #
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NoNewPrivileges = true; # implied by DynamicUser
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RemoveIPC = true; # implied by DynamicUser
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AmbientCapabilities = "";
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CapabilityBoundingSet = "";
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DeviceAllow = "";
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LockPersonality = true;
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PrivateTmp = true; # implied by DynamicUser
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PrivateDevices = true;
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PrivateUsers = true;
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ProtectClock = true;
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ProtectControlGroups = true;
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ProtectHostname = true;
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ProtectKernelLogs = true;
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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RestrictNamespaces = true;
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RestrictAddressFamilies = [ "AF_INET" "AF_INET6" "AF_UNIX" ];
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RestrictRealtime = true;
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RestrictSUIDSGID = true; # implied by DynamicUser
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SystemCallArchitectures = "native";
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SystemCallErrorNumber = "EPERM";
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SystemCallFilter = [
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"@system-service"
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"~@keyring"
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"~@memlock"
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"~@privileged"
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"~@setuid"
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];
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};
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};
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};
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}
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