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liminix/modules/dnsmasq/default.nix

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Nix

## Dnsmasq
## =======
##
## This module includes a service to provide DNS, DHCP, and IPv6
## router advertisement for the local network.
{ lib, pkgs, config, ...}:
let
inherit (lib) mkOption types;
inherit (pkgs) liminix;
in {
options = {
system.service.dnsmasq = mkOption {
type = liminix.lib.types.serviceDefn;
};
};
config = {
system.service.dnsmasq = liminix.callService ./service.nix {
user = mkOption {
type = types.str;
default = "dnsmasq";
description = "Specifies the unix user which dnsmasq will run as" ;
};
group = mkOption {
type = types.str;
default = "dnsmasq";
description = "Specifies the unix group which dnsmasq will run as" ;
};
resolvconf = mkOption {
type = types.nullOr liminix.lib.types.service;
default = null;
};
interface = mkOption {
type = liminix.lib.types.service;
default = null;
};
upstreams = mkOption {
type = types.listOf types.str;
default = [];
};
ranges = mkOption {
type = types.listOf types.str;
};
hosts = mkOption {
default = {};
type = types.attrsOf (types.submodule {
options = {
mac = mkOption {
description = ''
MAC or other hardware address to match on. For Ethernet
this is a 48 bit address represented as colon-separated
hex bytes, or "id:clientid" to match a presented
client id (IPv6 DUID)
'';
type = types.str;
example = "01:20:31:4a:50";
};
v4 = mkOption {
description = "IPv4 address to assign to this client";
example = "192.0.2.1";
type = types.str;
};
v6 = mkOption {
type = types.listOf types.str;
description = "IPv6 addresses or interface-ids to assign to this client";
default = [];
example = [ "fe80::42:1eff:fefd:b341" "::1234"];
};
leasetime = mkOption {
type = types.int;
default = 86400;
};
};
});
};
domain = mkOption {
# this can be given multiple times so probably should be
# domains plural and list of string
description = "Domain name for DHCP service: causes the DHCP server to return the domain to any hosts which request it, and sets the domain which it is legal for DHCP-configured hosts to claim";
type = types.str;
example = "example.com";
};
};
users.dnsmasq = {
uid = 51; gid= 51; gecos = "DNS/DHCP service user";
dir = "/run/dnsmasq";
shell = "/bin/false";
};
groups.dnsmasq = {
gid = 51; usernames = ["dnsmasq"];
};
groups.system.usernames = ["dnsmasq"];
};
}