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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.rsyslogd;
syslogConf = pkgs.writeText "syslog.conf" ''
$ModLoad imuxsock
$SystemLogSocketName /run/systemd/journal/syslog
$WorkDirectory /var/spool/rsyslog
${cfg.defaultConfig}
${cfg.extraConfig}
'';
defaultConf = ''
# "local1" is used for dhcpd messages.
local1.* -/var/log/dhcpd
mail.* -/var/log/mail
*.=warning;*.=err -/var/log/warn
*.crit /var/log/warn
*.*;mail.none;local1.none -/var/log/messages
'';
in
{
###### interface
options = {
services.rsyslogd = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable syslogd. Note that systemd also logs
syslog messages, so you normally don't need to run syslogd.
'';
};
defaultConfig = mkOption {
type = types.string;
default = defaultConf;
description = ''
The default <filename>syslog.conf</filename> file configures a
fairly standard setup of log files, which can be extended by
means of <varname>extraConfig</varname>.
'';
};
extraConfig = mkOption {
type = types.string;
default = "";
example = "news.* -/var/log/news";
description = ''
Additional text appended to <filename>syslog.conf</filename>,
i.e. the contents of <varname>defaultConfig</varname>.
'';
};
extraParams = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "-m 0" ];
description = ''
Additional parameters passed to <command>rsyslogd</command>.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.rsyslog ];
systemd.services.syslog =
{ description = "Syslog Daemon";
requires = [ "syslog.socket" ];
wantedBy = [ "multi-user.target" ];
serviceConfig =
{ ExecStart = "${pkgs.rsyslog}/sbin/rsyslogd ${toString cfg.extraParams} -f ${syslogConf} -n";
ExecStartPre = "${pkgs.coreutils}/bin/mkdir -p /var/spool/rsyslog";
# Prevent syslogd output looping back through journald.
StandardOutput = "null";
};
};
};
}
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