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|
{
config,
lib,
pkgs,
...
}:
let
cfg = config.services.paisa;
settingsFormat = pkgs.formats.yaml { };
args = lib.concatStringsSep " " [
"--config /var/lib/paisa/paisa.yaml"
];
settings =
if (cfg.settings != null) then
removeAttrs
(
cfg.settings
// {
journal_path = cfg.settings.dataDir + cfg.settings.journalFile;
db_path = cfg.settings.dataDir + cfg.settings.dbFile;
}
)
[
"dataDir"
"journalFile"
"dbFile"
]
else
null;
configFile = (settingsFormat.generate "paisa.yaml" settings).overrideAttrs (_: {
checkPhase = "";
});
in
{
options.services.paisa = with lib.types; {
enable = lib.mkEnableOption "Paisa personal finance manager";
package = lib.mkPackageOption pkgs "paisa" { };
openFirewall = lib.mkOption {
default = false;
type = bool;
description = "Open ports in the firewall for the Paisa web server.";
};
mutableSettings = lib.mkOption {
default = true;
type = bool;
description = ''
Allow changes made on the web interface to persist between service
restarts.
'';
};
host = lib.mkOption {
type = str;
default = "0.0.0.0";
description = "Host bind IP address.";
};
port = lib.mkOption {
type = port;
default = 7500;
description = "Port to serve Paisa on.";
};
settings = lib.mkOption {
default = null;
type = nullOr (submodule {
freeformType = settingsFormat.type;
options = {
dataDir = lib.mkOption {
type = lib.types.str;
default = "/var/lib/paisa/";
description = "Path to paisa data directory.";
};
journalFile = lib.mkOption {
type = lib.types.str;
default = "main.ledger";
description = "Filename of the main journal / ledger file.";
};
dbFile = lib.mkOption {
type = lib.types.str;
default = "paisa.sqlite3";
description = "Filename of the Paisa database.";
};
};
});
description = ''
Paisa configuration. Please refer to
<https://paisa.fyi/reference/config/> for details.
On start and if `mutableSettings` is `true`, these options are merged
into the configuration file on start, taking precedence over
configuration changes made on the web interface.
'';
};
};
config = lib.mkIf cfg.enable {
assertions = [ ];
systemd.services.paisa = {
description = "Paisa: Web Application";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
unitConfig = {
StartLimitIntervalSec = 5;
StartLimitBurst = 10;
};
preStart = lib.optionalString (settings != null) ''
if [ -e "$STATE_DIRECTORY/paisa.yaml" ] && [ "${toString cfg.mutableSettings}" = "1" ]; then
# do not write directly to the config file
${lib.getExe pkgs.yaml-merge} "$STATE_DIRECTORY/paisa.yaml" "${configFile}" > "$STATE_DIRECTORY/paisa.yaml.tmp"
mv "$STATE_DIRECTORY/paisa.yaml.tmp" "$STATE_DIRECTORY/paisa.yaml"
else
cp --force "${configFile}" "$STATE_DIRECTORY/paisa.yaml"
chmod 600 "$STATE_DIRECTORY/paisa.yaml"
fi
'';
serviceConfig = {
DynamicUser = true;
ExecStart = "${lib.getExe cfg.package} serve ${args}";
AmbientCapabilities = [ "CAP_NET_BIND_SERVICE" ];
Restart = "always";
RestartSec = 5;
RuntimeDirectory = "paisa";
StateDirectory = "paisa";
};
};
networking.firewall.allowedTCPPorts = lib.mkIf cfg.openFirewall [ cfg.port ];
};
meta = {
maintainers = with lib.maintainers; [ skowalak ];
doc = ./paisa.md;
};
}
|
