nixpkgs/nixos/modules/services/web-apps/hledger-web.nix
2021-10-04 12:47:20 +02:00

143 lines
3.6 KiB
Nix

{ lib, pkgs, config, ... }:
with lib;
let
cfg = config.services.hledger-web;
in {
options.services.hledger-web = {
enable = mkEnableOption "hledger-web service";
serveApi = mkEnableOption "Serve only the JSON web API, without the web UI.";
host = mkOption {
type = types.str;
default = "127.0.0.1";
description = ''
Address to listen on.
'';
};
port = mkOption {
type = types.port;
default = 5000;
example = 80;
description = ''
Port to listen on.
'';
};
capabilities = {
view = mkOption {
type = types.bool;
default = true;
description = ''
Enable the view capability.
'';
};
add = mkOption {
type = types.bool;
default = false;
description = ''
Enable the add capability.
'';
};
manage = mkOption {
type = types.bool;
default = false;
description = ''
Enable the manage capability.
'';
};
};
stateDir = mkOption {
type = types.path;
default = "/var/lib/hledger-web";
description = ''
Path the service has access to. If left as the default value this
directory will automatically be created before the hledger-web server
starts, otherwise the sysadmin is responsible for ensuring the
directory exists with appropriate ownership and permissions.
'';
};
journalFiles = mkOption {
type = types.listOf types.str;
default = [ ".hledger.journal" ];
description = ''
Paths to journal files relative to <option>services.hledger-web.stateDir</option>.
'';
};
baseUrl = mkOption {
type = with types; nullOr str;
default = null;
example = "https://example.org";
description = ''
Base URL, when sharing over a network.
'';
};
extraOptions = mkOption {
type = types.listOf types.str;
default = [];
example = [ "--forecast" ];
description = ''
Extra command line arguments to pass to hledger-web.
'';
};
};
config = mkIf cfg.enable {
users.users.hledger = {
name = "hledger";
group = "hledger";
isSystemUser = true;
home = cfg.stateDir;
useDefaultShell = true;
};
users.groups.hledger = {};
systemd.services.hledger-web = let
capabilityString = with cfg.capabilities; concatStringsSep "," (
(optional view "view")
++ (optional add "add")
++ (optional manage "manage")
);
serverArgs = with cfg; escapeShellArgs ([
"--serve"
"--host=${host}"
"--port=${toString port}"
"--capabilities=${capabilityString}"
(optionalString (cfg.baseUrl != null) "--base-url=${cfg.baseUrl}")
(optionalString (cfg.serveApi) "--serve-api")
] ++ (map (f: "--file=${stateDir}/${f}") cfg.journalFiles)
++ extraOptions);
in {
description = "hledger-web - web-app for the hledger accounting tool.";
documentation = [ https://hledger.org/hledger-web.html ];
wantedBy = [ "multi-user.target" ];
after = [ "networking.target" ];
serviceConfig = mkMerge [
{
ExecStart = "${pkgs.hledger-web}/bin/hledger-web ${serverArgs}";
Restart = "always";
WorkingDirectory = cfg.stateDir;
User = "hledger";
Group = "hledger";
PrivateTmp = true;
}
(mkIf (cfg.stateDir == "/var/lib/hledger-web") {
StateDirectory = "hledger-web";
})
];
};
};
meta.maintainers = with lib.maintainers; [ marijanp erictapen ];
}