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|
{ config, lib, pkgs, options }:
let
inherit (lib) mkOption types;
cfg = config.services.prometheus.exporters.sabnzbd;
in
{
port = 9387;
extraOpts = {
servers = mkOption {
description = "List of sabnzbd servers to connect to.";
type = types.listOf (types.submodule {
options = {
baseUrl = mkOption {
type = types.str;
description = "Base URL of the sabnzbd server.";
example = "http://localhost:8080/sabnzbd";
};
apiKeyFile = mkOption {
type = types.str;
description = ''
The path to a file containing the API key.
The file is securely passed to the service by leveraging systemd credentials.
No special permissions need to be set on this file.
'';
example = "/run/secrets/sabnzbd_apikey";
};
};
});
};
};
serviceOpts =
let
servers = lib.zipAttrs cfg.servers;
credentials = lib.imap0 (i: v: { name = "apikey-${toString i}"; path = v; }) servers.apiKeyFile;
in
{
serviceConfig.LoadCredential = builtins.map ({ name, path }: "${name}:${path}") credentials;
environment = {
METRICS_PORT = toString cfg.port;
METRICS_ADDR = cfg.listenAddress;
SABNZBD_BASEURLS = lib.concatStringsSep "," servers.baseUrl;
};
script =
let
apiKeys = lib.concatStringsSep "," (builtins.map (cred: "$(< $CREDENTIALS_DIRECTORY/${cred.name})") credentials);
in
''
export SABNZBD_APIKEYS="${apiKeys}"
exec ${lib.getExe pkgs.prometheus-sabnzbd-exporter}
'';
};
}
|