288 lines
9.3 KiB
Nix
288 lines
9.3 KiB
Nix
{ config, lib, ... }:
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with import <stockholm/lib>;
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let
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cfg = config.krebs;
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out = {
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imports = [
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./apt-cacher-ng.nix
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./backup.nix
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./bepasty-server.nix
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./buildbot/master.nix
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./buildbot/slave.nix
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./build.nix
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./current.nix
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./exim.nix
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./exim-retiolum.nix
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./exim-smarthost.nix
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./fetchWallpaper.nix
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./github-hosts-sync.nix
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./git.nix
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./go.nix
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./hidden-ssh.nix
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./htgen.nix
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./iptables.nix
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./kapacitor.nix
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./monit.nix
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./newsbot-js.nix
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./nixpkgs.nix
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./on-failure.nix
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./os-release.nix
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./per-user.nix
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./power-action.nix
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./Reaktor.nix
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./realwallpaper.nix
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./retiolum-bootstrap.nix
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./rtorrent.nix
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./secret.nix
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./setuid.nix
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./tinc.nix
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./tinc_graphs.nix
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./urlwatch.nix
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./repo-sync.nix
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];
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options.krebs = api;
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config = lib.mkIf cfg.enable imp;
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};
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api = {
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enable = mkEnableOption "krebs";
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dns = {
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providers = mkOption {
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type = with types; attrsOf str;
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};
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};
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hosts = mkOption {
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type = with types; attrsOf host;
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};
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users = mkOption {
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type = with types; attrsOf user;
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};
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# XXX is there a better place to define search-domain?
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# TODO search-domains :: listOf hostname
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search-domain = mkOption {
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type = types.hostname;
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default = "r";
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};
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zone-head-config = mkOption {
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type = with types; attrsOf str;
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description = ''
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The zone configuration head which is being used to create the
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zone files. The string for each key is pre-pended to the zone file.
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'';
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# TODO: configure the default somewhere else,
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# maybe use krebs.dns.providers
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default = {
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# github.io -> 192.30.252.154
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"krebsco.de" = ''
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$TTL 86400
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@ IN SOA dns19.ovh.net. tech.ovh.net. (2015052000 86400 3600 3600000 86400)
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IN NS ns19.ovh.net.
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IN NS dns19.ovh.net.
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IN A 192.30.252.154
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IN A 192.30.252.153
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'';
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};
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};
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};
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imp = lib.mkMerge [
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{ krebs = import ./lass { inherit config; }; }
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{ krebs = import ./makefu { inherit config; }; }
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{ krebs = import ./mv { inherit config; }; }
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{ krebs = import ./nin { inherit config; }; }
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{ krebs = import ./shared { inherit config; }; }
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{ krebs = import ./tv { inherit config; }; }
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{
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krebs.dns.providers = {
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"krebsco.de" = "zones";
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gg23 = "hosts";
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shack = "hosts";
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i = "hosts";
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r = "hosts";
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};
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krebs.users = {
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krebs = {
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home = "/krebs";
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mail = "spam@krebsco.de";
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};
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root = {
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home = "/root";
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pubkey = config.krebs.build.host.ssh.pubkey;
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uid = 0;
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};
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};
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networking.extraHosts = let
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domains = attrNames (filterAttrs (_: eq "hosts") cfg.dns.providers);
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check = hostname: any (domain: hasSuffix ".${domain}" hostname) domains;
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in concatStringsSep "\n" (flatten (
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mapAttrsToList (hostname: host:
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mapAttrsToList (netname: net:
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let
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aliases = longs ++ shorts;
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longs = filter check net.aliases;
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shorts = let s = ".${cfg.search-domain}"; in
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map (removeSuffix s) (filter (hasSuffix s) longs);
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in
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optionals
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(aliases != [])
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(map (addr: "${addr} ${toString aliases}") net.addrs)
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) (filterAttrs (name: host: host.aliases != []) host.nets)
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) cfg.hosts
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));
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# TODO dedup with networking.extraHosts
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nixpkgs.config.packageOverrides = oldpkgs:
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let
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domains = attrNames (filterAttrs (_: eq "hosts") cfg.dns.providers);
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check = hostname: any (domain: hasSuffix ".${domain}" hostname) domains;
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in
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{
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retiolum-hosts = oldpkgs.writeText "retiolum-hosts" ''
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${concatStringsSep "\n" (flatten (
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map (host:
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let
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net = host.nets.retiolum;
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aliases = longs;
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longs = filter check net.aliases;
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in
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optionals
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(aliases != [])
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(map (addr: "${addr} ${toString aliases}") net.addrs)
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) (filter (host: hasAttr "retiolum" host.nets)
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(attrValues cfg.hosts))))}
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'';
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};
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# Implements environment.etc."zones/<zone-name>"
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environment.etc = 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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([cfg.zone-head-config] ++ combined-hosts);
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combined-hosts = (mapAttrsToList (name: value: value.extraZones) cfg.hosts );
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in lib.mapAttrs' (name: value: nameValuePair
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("zones/" + name)
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{ text=(stripEmptyLines value); }) all-zones;
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krebs.exim-smarthost.internet-aliases = let
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format = from: to: {
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inherit from;
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# TODO assert is-retiolum-mail-address to;
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to = concatMapStringsSep "," (getAttr "mail") (toList to);
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};
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in mapAttrsToList format (with config.krebs.users; let
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eloop-ml = spam-ml ++ [ ciko ];
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spam-ml = [
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lass
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makefu
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tv
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];
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ciko.mail = "ciko@slash16.net";
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in {
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"anmeldung@eloop.org" = eloop-ml;
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"cfp@eloop.org" = eloop-ml;
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"kontakt@eloop.org" = eloop-ml;
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"root@eloop.org" = eloop-ml;
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"eloop2016@krebsco.de" = eloop-ml;
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"postmaster@krebsco.de" = spam-ml; # RFC 822
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"lass@krebsco.de" = lass;
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"makefu@krebsco.de" = makefu;
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"spam@krebsco.de" = spam-ml;
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"tv@krebsco.de" = tv;
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# XXX These are no internet aliases
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# XXX exim-retiolum hosts should be able to relay to retiolum addresses
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"lass@retiolum" = lass;
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"makefu@retiolum" = makefu;
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"spam@retiolum" = spam-ml;
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"tv@retiolum" = tv;
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"lass@r" = lass;
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"makefu@r" = makefu;
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"spam@r" = spam-ml;
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"tv@r" = tv;
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});
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services.openssh.hostKeys =
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let inherit (config.krebs.build.host.ssh) privkey; in
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mkIf (privkey != null) (mkForce [privkey]);
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# TODO use imports for merging
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services.openssh.knownHosts =
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(let inherit (config.krebs.build.host.ssh) pubkey; in
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optionalAttrs (pubkey != null) {
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localhost = {
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hostNames = ["localhost" "127.0.0.1" "::1"];
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publicKey = pubkey;
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};
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})
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//
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# GitHub's IPv4 address range is 192.30.252.0/22
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# Refs https://help.github.com/articles/github-s-ip-addresses/
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# 192.30.252.0/22 = 192.30.252.0-192.30.255.255 (1024 addresses)
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# Because line length is limited by OPENSSH_LINE_MAX (= 8192),
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# we split each /24 into its own entry.
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listToAttrs (map
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(c: {
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name = "github${toString c}";
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value = {
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hostNames = ["github.com"] ++
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map (d: "192.30.${toString c}.${toString d}") (range 0 255);
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publicKey = "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==";
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};
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})
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(range 252 255))
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//
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mapAttrs
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(name: host: {
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hostNames =
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concatLists
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(mapAttrsToList
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(net-name: net:
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let
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longs = net.aliases;
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shorts =
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map (removeSuffix ".${cfg.search-domain}")
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(filter (hasSuffix ".${cfg.search-domain}")
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longs);
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add-port = a:
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if net.ssh.port != 22
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then "[${a}]:${toString net.ssh.port}"
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else a;
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in
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map add-port (shorts ++ longs ++ net.addrs))
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host.nets);
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publicKey = host.ssh.pubkey;
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})
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(filterAttrs (_: host: host.ssh.pubkey != null) cfg.hosts);
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programs.ssh.extraConfig = concatMapStrings
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(net: ''
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Host ${toString (net.aliases ++ net.addrs)}
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Port ${toString net.ssh.port}
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'')
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(filter
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(net: net.ssh.port != 22)
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(concatMap (host: attrValues host.nets)
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(mapAttrsToList
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(_: host: recursiveUpdate host
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(optionalAttrs (hasAttr config.krebs.search-domain host.nets) {
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nets."" = host.nets.${config.krebs.search-domain} // {
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aliases = [host.name];
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addrs = [];
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};
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}))
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config.krebs.hosts)));
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}
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];
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in out
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