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wan nameservers for network

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This commit is contained in:
Sagar Ch 2024-06-11 22:35:54 +00:00
parent 16dcb8c113
commit 0e6d764517
2 changed files with 39 additions and 13 deletions
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14
nixos/network/config.nix
View file

@ -68,7 +68,7 @@ let
dhcp-range=${lanInterfaceName},${dhcpStartAddress},${dhcpEndAddress},${netmask},12h
domain=${lanDomainName},${lanInterfaceName}
dhcp-option=${lanInterfaceName},option:classless-static-route,${lib.concatStringsSep "," (builtins.map (route: "${route},${lanInterfaceIPAddress}") (builtins.filter (route: route != lanCfg.ipv4.range) staticRoutes))}
'' + (lib.optionalString (lanCfg.ipv4.dns.upstream != []) ("dhcp-option=${lanInterfaceName},option:dns-server,${(lib.concatStringsSep "," lanCfg.ipv4.dns.upstream)}\n"));
'' + (lib.optionalString (lanCfg.ipv4.dhcp.dns.nameservers != []) ("dhcp-option=${lanInterfaceName},option:dns-server,${(lib.concatStringsSep "," lanCfg.ipv4.dhcp.dns.nameservers)}\n"));
in
lanCfg // {
createIface = createLanInterface;
@ -77,10 +77,10 @@ let
domain = lanDomainName;
};
mkLansService = networkName: wanIPv4Range: lansCfg:
mkLansService = networkName: wanCfg: lansCfg:
let
dhcpLeaseFile="/tmp/vmix/lans.${networkName}.dhcp.leases";
staticRoutes = [ wanIPv4Range ] ++ (builtins.map (lanCfg: lanCfg.ipv4.range) (lib.attrValues lansCfg));
staticRoutes = [ wanCfg.ipv4.range ] ++ (builtins.map (lanCfg: lanCfg.ipv4.range) (lib.attrValues lansCfg));
lansList = lib.attrValues(lib.mapAttrs (mkLan networkName staticRoutes) lansCfg);
dnsmasqConf = pkgs.writeText "dnsmasq-${networkName}.conf" (''
except-interface=lo
@ -90,6 +90,9 @@ let
expand-hosts
dhcp-leasefile=${dhcpLeaseFile}
filter-AAAA
address=/host/${calc.cidr.host 1 wanCfg.ipv4.range}
no-resolv
${lib.concatStringsSep "\n" (builtins.map (nameserver: "server=${nameserver}") wanCfg.dns.nameservers)}
'' + (lib.concatMapStrings (lan: lan.dnsmasqConf) lansList)
);
@ -188,9 +191,10 @@ let
let
netCfg = cfg // { name = networkName; };
vethIPv4RangeForWan = mkVethIPv4Range netCfg.index vmixCfg.global.net.wan.ipv4.range;
wanCfg = netCfg.wan // { ipv4.range = vethIPv4RangeForWan; lanRanges = builtins.map (lan: lan.ipv4.range) (lib.attrValues netCfg.lans); };
in
(mkLansService netCfg.name vethIPv4RangeForWan netCfg.lans)
// (mkWanService netCfg.name (netCfg.wan // { ipv4.range = vethIPv4RangeForWan; lanRanges = builtins.map (lan: lan.ipv4.range) (lib.attrValues netCfg.lans); }))
(mkLansService netCfg.name wanCfg netCfg.lans)
// (mkWanService netCfg.name wanCfg)
// (lib.concatMapAttrs (mkMacvlanService netCfg.name) netCfg.bridges.macvlans);
networkNames = builtins.attrNames vmixCfg.networks;

38
nixos/network/options.nix
View file

@ -69,6 +69,18 @@ with vmixLib.network;
default = true;
};
dns.nameservers = mkOption {
type = types.listOf (types.strMatching regex.ipv4);
default = [];
description = "List of IP Addresses of DNS servers to use as upstream DNS servers in the DHCP/DNS server. If left empty, it will use host's DNS servers";
};
dns.useHostResolvConf = mkOption {
type = types.bool;
default = true;
description = "Whether to use host's /etc/resolv.conf for upstream DNS queries.";
};
host.wan.enable = mkOption {
type = types.bool;
default = true;
@ -93,6 +105,16 @@ with vmixLib.network;
type = types.bool;
default = true;
};
host.self.dns.addNSLansResolver = mkOption {
type = types.bool;
default = true;
};
host.self.addNSLansRoutes = mkOption {
type = types.bool;
default = true;
};
};
lans = mkOption {
@ -133,19 +155,19 @@ with vmixLib.network;
default = null;
};
dns.upstream = mkOption {
dhcp.dns.resolver.enable = mkOption {
type = types.bool;
default = true;
description = "Add dnsmasq's built in resolver to lan clients DHCP responses";
};
dhcp.dns.nameservers = mkOption {
type = types.listOf (types.strMatching regex.ipv4);
default = [];
description = "List of IP Addresses of DNS servers to use as upstream DNS servers in the DHCP/DNS server. If left empty, it will use host's DNS servers";
};
dns.useHostResolvConf = mkOption {
type = types.bool;
default = true;
description = "Whether to use host's /etc/resolv.conf for upstream DNS queries.";
};
dns.zonefiles = mkOption {
dhcp.dns.zonefiles = mkOption {
default = null;
description = "Additional zonefiles to add for the DNS server";
};