nixpkgs/nixos/modules/services/mail/rspamd.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.rspamd;
mkBindSockets = socks: concatStringsSep "\n" (map (each: " bind_socket = \"${each}\"") socks);
rspamdConf =
''
.include "$CONFDIR/common.conf"
options {
pidfile = "$RUNDIR/rspamd.pid";
.include "$CONFDIR/options.inc"
}
logging {
type = "file";
filename = "$LOGDIR/rspamd.log";
.include "$CONFDIR/logging.inc"
}
worker {
${mkBindSockets cfg.bindSocket}
.include "$CONFDIR/worker-normal.inc"
}
worker {
${mkBindSockets cfg.bindUISocket}
.include "$CONFDIR/worker-controller.inc"
}
'';
rspamdConfFile = pkgs.writeText "rspamd.conf" rspamdConf;
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in
{
###### interface
options = {
services.rspamd = {
enable = mkOption {
default = false;
description = "Whether to run the rspamd daemon.";
};
debug = mkOption {
default = false;
description = "Whether to run the rspamd daemon in debug mode.";
};
bindSocket = mkOption {
type = types.listOf types.str;
default = [
"/run/rspamd.sock mode=0666 owner=${cfg.user}"
];
description = ''
List of sockets to listen, in format acceptable by rspamd
'';
example = ''
bindSocket = [
"/run/rspamd.sock mode=0666 owner=rspamd"
"*:11333"
];
'';
};
bindUISocket = mkOption {
type = types.listOf types.str;
default = [
"localhost:11334"
];
description = ''
List of sockets for web interface, in format acceptable by rspamd
'';
};
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user = mkOption {
type = types.string;
default = "rspamd";
description = ''
User to use when no root privileges are required.
'';
};
group = mkOption {
type = types.string;
default = "rspamd";
description = ''
Group to use when no root privileges are required.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
# Allow users to run 'rspamc' and 'rspamadm'.
environment.systemPackages = [ pkgs.rspamd ];
users.extraUsers = singleton {
name = cfg.user;
description = "rspamd daemon";
uid = config.ids.uids.rspamd;
group = cfg.group;
};
users.extraGroups = singleton {
name = cfg.group;
gid = config.ids.gids.rspamd;
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};
systemd.services.rspamd = {
description = "Rspamd Service";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
serviceConfig = {
ExecStart = "${pkgs.rspamd}/bin/rspamd ${optionalString cfg.debug "-d"} --user=${cfg.user} --group=${cfg.group} --pid=/run/rspamd.pid -c ${rspamdConfFile} -f";
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RuntimeDirectory = "/var/lib/rspamd";
PermissionsStartOnly = true;
Restart = "always";
};
preStart = ''
${pkgs.coreutils}/bin/mkdir -p /var/{lib,log}/rspamd
${pkgs.coreutils}/bin/chown ${cfg.user}:${cfg.group} /var/lib/rspamd
'';
};
};
}