107 lines
3.9 KiB
Nix
107 lines
3.9 KiB
Nix
let module_inst = {
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interfaces = {
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# TODO: management
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"ge-0/0/0" = { # upstream
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interface-mode = "trunk";
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vlans = [ "all" ];
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dhcp_trusted = true;
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};
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"ge-0/0/1" = { # AP
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interface-mode = "trunk";
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vlans = [ "users" "admin" ];
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};
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"ge-0/0/2" = { # thurne 1
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interface-mode = "access";
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vlans = [ 3045 ];
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};
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"ge-0/0/3" = { # thurne 2
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interface-mode = "access";
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vlans = [ 3046 ];
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};
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};
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vlans = {
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"users" = [ { begin = 3045; end = 4095; } ];
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"admin" = [ 3000 ];
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};
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};
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module = { lib, config, ... }: with lib; {
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# NOTE: dhcp should be configured at vlan level, but this is not very satisfying,
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# so this module tries to configured dhcp-trust on interfaces
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# -> this implies that interfaces change the config of their vlans
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options = {
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interfaces =
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let vlan_type = types.either (types.strMatching "[^\n\r]+") (types.ints.unsigned);
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interface = {config, ...}: {
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options = {
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interface-mode = mkOption {
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type = types.enum [ "trunk" "access" ];
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#TODO: default = if ;
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};
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vlans = mkOption { type = types.listOf vlan_type; };
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dhcp_trusted = mkOption { type = types.bool; default = false; };
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xmlGen = mkOption { type = types.uniq types.unspecified; };
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};
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config.xmlGen = name:
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let
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vlans = builtins.foldl'
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(acc: vlan: acc + "<members>${builtins.toString vlan}</members>")
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""
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config.vlans;
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in ''
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<interface>
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<name>${name}</name>
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<unit>
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<name>0</name>
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<family>
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<ethernet-switching>
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<interface-mode>${config.interface-mode}</interface-mode>
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<vlan>${vlans}</vlan>
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</ethernet-switching>
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</family>
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</unit>
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</interface>'';
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};
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in mkOption {
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type = types.attrsOf (types.submodule interface);
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};
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vlans = let
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range_type.options = {
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begin = mkOption { type = types.ints.unsigned; };
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end = mkOption { type = types.ints.unsigned; };
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};
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in mkOption {
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type = types.attrsOf (types.listOf (types.either types.ints.unsigned (types.submodule range_type)));
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};
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# NOTE, HACK: placeholder for now
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toplevel = mkOption {
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type = types.uniq types.anything;
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};
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};
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config.toplevel =
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let
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interfaces = builtins.attrValues (builtins.mapAttrs (name: mod: mod.xmlGen name) config.interfaces);
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# { vlan = { trust = [String]; notrust = [String]; } }
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interface_names = builtins.attrNames config.interfaces;
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vlan_map = inter: vlan:
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if builtins.isString vlan then
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if config.interfaces.${inter}.dhcp_trusted then
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{ ${vlan}.trust = inter; }
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else
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{ ${vlan}.notrust = inter; }
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else
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{};
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int_map = inter: map (vlan_map inter) config.interfaces.${inter}.vlans;
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vlan_trust_table =
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builtins.zipAttrsWith (vlan: values: builtins.zipAttrsWith (_: ints: ints ) values)
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(builtins.concatMap int_map interface_names);
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in [ ''
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<interfaces>
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${builtins.concatStringsSep "" interfaces}
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</interfaces>'' vlan_trust_table];
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};
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in (import <nixpkgs/lib>).evalModules {
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modules = [ module module_inst ];
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}
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