104 lines
3.2 KiB
Nix
104 lines
3.2 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib; {
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config = {
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environment.etc =
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mapAttrs'
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(name: pkg: {
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name = "zones/${name}";
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value.source = pkg;
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})
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pkgs.krebs.zones;
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nixpkgs.overlays = [
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# Explicit zones generated from config.krebs.hosts.*.extraZones
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(self: super: let
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stripEmptyLines = s: (concatStringsSep "\n"
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(remove "\n" (remove "" (splitString "\n" s)))) + "\n";
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all-zones = foldAttrs (sum: current: sum + "\n" + current) ""
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([config.krebs.zone-head-config] ++ combined-hosts);
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combined-hosts =
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mapAttrsToList (name: getAttr "extraZones") config.krebs.hosts;
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in {
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krebs = super.krebs or {} // {
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zones = super.krebs.zones or {} //
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mapAttrs'
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(name: value: {
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name = name;
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value = self.writeText "${name}.zone" (stripEmptyLines value);
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})
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all-zones;
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};
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})
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# Implicit zones generated from config.krebs.hosts.*.nets.*.ip{4,6}.addr
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(self: super: let
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# record : { name : str, type : enum [ "A" "AAAA" ], data : str }
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# toRecord : record.name -> record.type -> record.data -> record
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toRecord = name: type: data:
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{ inherit name type data; };
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# toRecords : str -> host -> [record]
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toRecords = netname: host:
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let
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net = host.nets.${netname};
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in
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optionals
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(hasAttr netname host.nets)
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(filter
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(x: x.data != null)
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(concatLists [
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(map
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(name: toRecord name "A" (net.ip4.addr or null))
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(concatMap
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(name: [ "${name}." "4.${name}." ])
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(net.aliases or [])))
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(map
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(name: toRecord name "AAAA" (net.ip6.addr or null))
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(concatMap
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(name: [ "${name}." "6.${name}." ])
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(net.aliases or [])))
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]));
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# formatRecord : record -> str
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formatRecord = { name, type, data }: "${name} IN ${type} ${data}";
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# writeZone : attrs -> package
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writeZone =
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{ name ? "${domain}.zone"
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, domain ? substring 0 1 netname
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, nameservers ? [ "ni" ]
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, netname
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, hosts ? config.krebs.hosts
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}:
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self.writeText name /* bindzone */ ''
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$TTL 60
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@ IN SOA ns admin 1 3600 600 86400 60
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@ IN NS ns
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${concatMapStringsSep "\n"
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(name: /* bindzone */ "ns IN CNAME ${name}")
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nameservers
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}
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${concatMapStringsSep
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"\n"
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formatRecord
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(concatMap
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(toRecords netname)
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(attrValues hosts))
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}
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'';
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in {
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krebs = super.krebs or {} // {
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zones = super.krebs.zones or {} // {
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i = writeZone { netname = "internet"; };
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r = writeZone { netname = "retiolum"; };
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w = writeZone { netname = "wiregrill"; };
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};
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};
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})
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];
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};
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}
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