196 lines
6.5 KiB
Nix
196 lines
6.5 KiB
Nix
{ config, lib, ... }:
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with 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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./bepasty-server.nix
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./build.nix
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./current.nix
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./exim-retiolum.nix
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./exim-smarthost.nix
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./github-hosts-sync.nix
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./git.nix
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./iptables.nix
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./nginx.nix
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./Reaktor.nix
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./retiolum-bootstrap.nix
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./realwallpaper.nix
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./retiolum.nix
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./tinc_graphs.nix
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./urlwatch.nix
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];
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options.krebs = api;
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config = 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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# TODO with types; tree dns.label dns.provider, so we can merge.
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# Currently providers can only be merged if aliases occur just once.
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type = with types; attrsOf unspecified;
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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 = "retiolum";
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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 = mkMerge [
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{ krebs = import ./lass { inherit lib; }; }
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{ krebs = import ./makefu { inherit lib; }; }
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{ krebs = import ./shared { inherit lib; }; }
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{ krebs = import ./tv { inherit lib; }; }
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{
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krebs.dns.providers = {
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de.krebsco = "zones";
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gg23 = "hosts";
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internet = "hosts";
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retiolum = "hosts";
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};
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# XXX This overlaps with krebs.retiolum
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networking.extraHosts = 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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providers = dns.split-by-provider net.aliases cfg.dns.providers;
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longs = providers.hosts;
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shorts =
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map (removeSuffix ".${cfg.search-domain}")
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(filter (hasSuffix ".${cfg.search-domain}")
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longs);
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in
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map (addr: "${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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# 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)));
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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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# TODO assert is-retiolum-mail-address to;
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{ inherit from;
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to = if typeOf to == "list"
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then concatMapStringsSep "," (getAttr "mail") to
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else to.mail; };
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in mapAttrsToList format (with config.krebs.users; let
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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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in {
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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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});
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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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services.openssh.knownHosts =
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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/what-ip-addresses-does-github-use-that-i-should-whitelist/
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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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aliases = shorts ++ longs;
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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 != null
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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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aliases ++ map add-port 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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}
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];
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in
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out
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