29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
83 lines
2.0 KiB
Nix
83 lines
2.0 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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netconfigFile = {
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target = "netconfig";
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source = pkgs.writeText "netconfig" ''
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#
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# The network configuration file. This file is currently only used in
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# conjunction with the TI-RPC code in the libtirpc library.
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#
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# Entries consist of:
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#
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# <network_id> <semantics> <flags> <protofamily> <protoname> \
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# <device> <nametoaddr_libs>
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#
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# The <device> and <nametoaddr_libs> fields are always empty in this
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# implementation.
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#
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udp tpi_clts v inet udp - -
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tcp tpi_cots_ord v inet tcp - -
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udp6 tpi_clts v inet6 udp - -
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tcp6 tpi_cots_ord v inet6 tcp - -
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rawip tpi_raw - inet - - -
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local tpi_cots_ord - loopback - - -
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unix tpi_cots_ord - loopback - - -
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'';
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};
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in
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{
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###### interface
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options = {
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services.rpcbind = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable `rpcbind', an ONC RPC directory service
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notably used by NFS and NIS, and which can be queried
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using the rpcinfo(1) command. `rpcbind` is a replacement for
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`portmap`.
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'';
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};
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};
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};
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###### implementation
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config = mkIf config.services.rpcbind.enable {
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environment.systemPackages = [ pkgs.rpcbind ];
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environment.etc = [ netconfigFile ];
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systemd.services.rpcbind =
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{ description = "ONC RPC Directory Service";
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wantedBy = [ "multi-user.target" ];
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requires = [ "basic.target" ];
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after = [ "basic.target" ];
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unitConfig.DefaultDependencies = false; # don't stop during shutdown
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serviceConfig.Type = "forking";
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serviceConfig.ExecStart = "@${pkgs.rpcbind}/bin/rpcbind rpcbind";
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};
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};
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}
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