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Improve nixos service so it uses a dynamic user

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This commit is contained in:
Zuckerberg 2023-12-02 10:22:12 -07:00
parent a0bfd2bcca
commit 2a51a33f9b
1 changed files with 14 additions and 22 deletions
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36
server/service.nix
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@ -7,26 +7,19 @@ in
{ {
options.services.picture-frame-server = { options.services.picture-frame-server = {
enable = lib.mkEnableOption "enable picture-frame-server"; enable = lib.mkEnableOption "enable picture-frame-server";
user = lib.mkOption {
type = lib.types.str;
default = "picture-frame-server";
description = ''
The user the server should run as
'';
};
group = lib.mkOption {
type = lib.types.str;
default = "picture-frame-server";
description = ''
The group the server should run as
'';
};
imgDir = lib.mkOption { imgDir = lib.mkOption {
type = lib.types.str; type = lib.types.str;
description = '' description = ''
Directory of images that the server will serve Directory of images that the server will serve
''; '';
}; };
imgDirGroup = lib.mkOption {
type = lib.types.str;
description = ''
The group the server will run as a member of.
So the server can have read access to `imgDir`.
'';
};
port = lib.mkOption { port = lib.mkOption {
type = lib.types.int; type = lib.types.int;
default = 18450; default = 18450;
@ -38,18 +31,17 @@ in
config = lib.mkIf cfg.enable { config = lib.mkIf cfg.enable {
nixpkgs.overlays = [ overlay ]; nixpkgs.overlays = [ overlay ];
users.users.${cfg.user} = {
isSystemUser = true;
group = cfg.group;
};
users.groups.${cfg.group} = { };
systemd.services.picture-frame-server = { systemd.services.picture-frame-server = {
enable = true; enable = true;
after = [ "network.target" ]; after = [ "network.target" ];
wantedBy = [ "multi-user.target" ]; wantedBy = [ "multi-user.target" ];
serviceConfig.ExecStart = "${pkgs.picture-frame.server}/bin/server ${toString cfg.port} ${cfg.imgDir}"; serviceConfig = {
serviceConfig.User = cfg.user; ExecStart = "${pkgs.picture-frame.server}/bin/server ${toString cfg.port} ${cfg.imgDir}";
serviceConfig.Group = cfg.group; DynamicUser = true;
PrivateTmp = true;
User = "picture-frame-server";
SupplementaryGroups = [ cfg.imgDirGroup ];
};
}; };
}; };
} }