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|
{
config,
lib,
pkgs,
...
}:
let
cfg = config.services.coredns;
configFile = pkgs.writeText "Corefile" cfg.config;
in
{
options.services.coredns = {
enable = lib.mkEnableOption "Coredns dns server";
config = lib.mkOption {
default = "";
example = ''
. {
whoami
}
'';
type = lib.types.lines;
description = ''
Verbatim Corefile to use.
See <https://coredns.io/manual/toc/#configuration> for details.
'';
};
package = lib.mkPackageOption pkgs "coredns" { };
extraArgs = lib.mkOption {
default = [ ];
example = [ "-dns.port=53" ];
type = lib.types.listOf lib.types.str;
description = "Extra arguments to pass to coredns.";
};
};
config = lib.mkIf cfg.enable {
systemd.services.coredns = {
description = "Coredns dns server";
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
LimitNPROC = 512;
LimitNOFILE = 1048576;
CapabilityBoundingSet = "cap_net_bind_service";
AmbientCapabilities = "cap_net_bind_service";
NoNewPrivileges = true;
DynamicUser = true;
ExecStart = "${lib.getBin cfg.package}/bin/coredns -conf=${configFile} ${lib.escapeShellArgs cfg.extraArgs}";
ExecReload = "${pkgs.coreutils}/bin/kill -SIGUSR1 $MAINPID";
Restart = "on-failure";
};
};
};
}
|
