diff options
42 files changed, 623 insertions, 325 deletions
diff --git a/krebs/3modules/lass/default.nix b/krebs/3modules/lass/default.nix index 3d54900e4..b4686894e 100644 --- a/krebs/3modules/lass/default.nix +++ b/krebs/3modules/lass/default.nix @@ -8,15 +8,15 @@ with config.krebs.lib; cores = 4; nets = rec { internet = { - addrs4 = ["144.76.172.188"]; + ip4.addr = "144.76.172.188"; aliases = [ "dishfire.internet" ]; }; retiolum = { via = internet; - addrs4 = ["10.243.133.99"]; - addrs6 = ["42:0000:0000:0000:0000:0000:d15f:1233"]; + ip4.addr = "10.243.133.99"; + ip6.addr = "42:0000:0000:0000:0000:0000:d15f:1233"; aliases = [ "dishfire.retiolum" "dishfire.r" @@ -40,15 +40,15 @@ with config.krebs.lib; cores = 2; nets = rec { internet = { - addrs4 = ["162.252.241.33"]; + ip4.addr = "162.252.241.33"; aliases = [ "echelon.internet" ]; }; retiolum = { via = internet; - addrs4 = ["10.243.206.103"]; - addrs6 = ["42:941e:2816:35f4:5c5e:206b:3f0b:f763"]; + ip4.addr = "10.243.206.103"; + ip6.addr = "42:941e:2816:35f4:5c5e:206b:3f0b:f763"; aliases = [ "echelon.retiolum" "echelon.r" @@ -75,15 +75,15 @@ with config.krebs.lib; cores = 4; nets = rec { internet = { - addrs4 = ["213.239.205.240"]; + ip4.addr = "213.239.205.240"; aliases = [ "prism.internet" ]; }; retiolum = { via = internet; - addrs4 = ["10.243.0.103"]; - addrs6 = ["42:0000:0000:0000:0000:0000:0000:15ab"]; + ip4.addr = "10.243.0.103"; + ip6.addr = "42:0000:0000:0000:0000:0000:0000:15ab"; aliases = [ "prism.retiolum" "prism.r" @@ -107,15 +107,15 @@ with config.krebs.lib; fastpoke = { nets = rec { internet = { - addrs4 = ["193.22.164.36"]; + ip4.addr = "193.22.164.36"; aliases = [ "fastpoke.internet" ]; }; retiolum = { via = internet; - addrs4 = ["10.243.253.152"]; - addrs6 = ["42:422a:194f:ff3b:e196:2f82:5cf5:bc00"]; + ip4.addr = "10.243.253.152"; + ip6.addr = "42:422a:194f:ff3b:e196:2f82:5cf5:bc00"; aliases = [ "fastpoke.retiolum" "fastpoke.r" @@ -139,15 +139,15 @@ with config.krebs.lib; cores = 1; nets = rec { internet = { - addrs4 = ["104.167.113.104"]; + ip4.addr = "104.167.113.104"; aliases = [ "cloudkrebs.internet" ]; }; retiolum = { via = internet; - addrs4 = ["10.243.206.102"]; - addrs6 = ["42:941e:2816:35f4:5c5e:206b:3f0b:f762"]; + ip4.addr = "10.243.206.102"; + ip6.addr = "42:941e:2816:35f4:5c5e:206b:3f0b:f762"; aliases = [ "cloudkrebs.retiolum" "cloudkrebs.r" @@ -172,12 +172,12 @@ with config.krebs.lib; cores = 1; nets = { gg23 = { - addrs4 = ["10.23.1.12"]; + ip4.addr = "10.23.1.12"; aliases = ["uriel.gg23"]; }; retiolum = { - addrs4 = ["10.243.81.176"]; - addrs6 = ["42:dc25:60cf:94ef:759b:d2b6:98a9:2e56"]; + ip4.addr = "10.243.81.176"; + ip6.addr = "42:dc25:60cf:94ef:759b:d2b6:98a9:2e56"; aliases = [ "uriel.retiolum" "uriel.r" @@ -203,12 +203,12 @@ with config.krebs.lib; cores = 2; nets = { gg23 = { - addrs4 = ["10.23.1.11"]; + ip4.addr = "10.23.1.11"; aliases = ["mors.gg23"]; }; retiolum = { - addrs4 = ["10.243.0.2"]; - addrs6 = ["42:0:0:0:0:0:0:dea7"]; + ip4.addr = "10.243.0.2"; + ip6.addr = "42:0:0:0:0:0:0:dea7"; aliases = [ "mors.retiolum" "mors.r" @@ -234,8 +234,8 @@ with config.krebs.lib; cores = 2; nets = { retiolum = { - addrs4 = ["10.243.0.3"]; - addrs6 = ["42:0:0:0:0:0:0:7105"]; + ip4.addr = "10.243.0.3"; + ip6.addr = "42:0:0:0:0:0:0:7105"; aliases = [ "helios.retiolum" "helios.r" diff --git a/krebs/3modules/makefu/default.nix b/krebs/3modules/makefu/default.nix index b04280848..814e6929b 100644 --- a/krebs/3modules/makefu/default.nix +++ b/krebs/3modules/makefu/default.nix @@ -8,8 +8,8 @@ with config.krebs.lib; cores = 1; nets = { retiolum = { - addrs4 = ["10.243.0.210"]; - addrs6 = ["42:f9f1:0000:0000:0000:0000:0000:0001"]; + ip4.addr = "10.243.0.210"; + ip6.addr = "42:f9f1:0000:0000:0000:0000:0000:0001"; aliases = [ "pnp.retiolum" "cgit.pnp.retiolum" @@ -31,8 +31,8 @@ with config.krebs.lib; cores = 4; nets = { retiolum = { - addrs4 = ["10.243.0.84"]; - addrs6 = ["42:ff6b:5f0b:460d:2cee:4d05:73f7:5566"]; + ip4.addr = "10.243.0.84"; + ip6.addr = "42:ff6b:5f0b:460d:2cee:4d05:73f7:5566"; aliases = [ "darth.retiolum" "darth.r" @@ -54,8 +54,8 @@ with config.krebs.lib; cores = 1; nets = { retiolum = { - addrs4 = ["10.243.0.212"]; - addrs6 = ["42:f9f1:0000:0000:0000:0000:0000:0002"]; + ip4.addr = "10.243.0.212"; + ip6.addr = "42:f9f1:0000:0000:0000:0000:0000:0002"; aliases = [ "tsp.retiolum" ]; @@ -81,8 +81,8 @@ with config.krebs.lib; cores = 2; nets = { retiolum = { - addrs4 = ["10.243.0.91"]; - addrs6 = ["42:0b2c:d90e:e717:03dc:9ac1:7c30:a4db"]; + ip4.addr = "10.243.0.91"; + ip6.addr = "42:0b2c:d90e:e717:03dc:9ac1:7c30:a4db"; aliases = [ "pornocauster.retiolum" "pornocauster.r" @@ -108,8 +108,8 @@ with config.krebs.lib; cores = 2; nets = { retiolum = { - addrs4 = ["10.243.1.91"]; - addrs6 = ["42:0b2c:d90e:e717:03dd:9ac1:0000:a400"]; + ip4.addr = "10.243.1.91"; + ip6.addr = "42:0b2c:d90e:e717:03dd:9ac1:0000:a400"; aliases = [ "vbob.retiolum" ]; @@ -135,22 +135,22 @@ with config.krebs.lib; extraZones = { "krebsco.de" = '' euer IN MX 1 aspmx.l.google.com. - pigstarter IN A ${head nets.internet.addrs4} - gold IN A ${head nets.internet.addrs4} - boot IN A ${head nets.internet.addrs4} + pigstarter IN A ${nets.internet.ip4.addr} + gold IN A ${nets.internet.ip4.addr} + boot IN A ${nets.internet.ip4.addr} ''; }; nets = { internet = { - addrs4 = ["192.40.56.122"]; - addrs6 = ["2604:2880::841f:72c"]; + ip4.addr = "192.40.56.122"; + ip6.addr = "2604:2880::841f:72c"; aliases = [ "pigstarter.internet" ]; }; retiolum = { - addrs4 = ["10.243.0.153"]; - addrs6 = ["42:9143:b4c0:f981:6030:7aa2:8bc5:4110"]; + ip4.addr = "10.243.0.153"; + ip6.addr = "42:9143:b4c0:f981:6030:7aa2:8bc5:4110"; aliases = [ "pigstarter.retiolum" ]; @@ -171,18 +171,18 @@ with config.krebs.lib; cores = 1; extraZones = { "krebsco.de" = '' - euer IN A ${head nets.internet.addrs4} - wiki.euer IN A ${head nets.internet.addrs4} - wry IN A ${head nets.internet.addrs4} + euer IN A ${nets.internet.ip4.addr} + wiki.euer IN A ${nets.internet.ip4.addr} + wry IN A ${nets.internet.ip4.addr} io IN NS wry.krebsco.de. - graphs IN A ${head nets.internet.addrs4} - paste 60 IN A ${head nets.internet.addrs4} - tinc IN A ${head nets.internet.addrs4} + graphs IN A ${nets.internet.ip4.addr} + paste 60 IN A ${nets.internet.ip4.addr} + tinc IN A ${nets.internet.ip4.addr} ''; }; nets = rec { internet = { - addrs4 = ["104.233.87.86"]; + ip4.addr = "104.233.87.86"; aliases = [ "wry.internet" "paste.internet" @@ -190,8 +190,8 @@ with config.krebs.lib; }; retiolum = { via = internet; - addrs4 = ["10.243.29.169"]; - addrs6 = ["42:6e1e:cc8a:7cef:827:f938:8c64:baad"]; + ip4.addr = "10.243.29.169"; + ip6.addr = "42:6e1e:cc8a:7cef:827:f938:8c64:baad"; aliases = [ "graphs.wry.retiolum" "graphs.retiolum" @@ -228,8 +228,8 @@ with config.krebs.lib; nets = { retiolum = { - addrs4 = ["10.243.153.102"]; - addrs6 = ["42:4b0b:d990:55ba:8da8:630f:dc0e:aae0"]; + ip4.addr = "10.243.153.102"; + ip6.addr = "42:4b0b:d990:55ba:8da8:630f:dc0e:aae0"; aliases = [ "filepimp.retiolum" ]; @@ -252,8 +252,8 @@ with config.krebs.lib; nets = { retiolum = { - addrs4 = ["10.243.0.89"]; - addrs6 = ["42:f9f0::10"]; + ip4.addr = "10.243.0.89"; + ip6.addr = "42:f9f0::10"; aliases = [ "omo.retiolum" "omo.r" @@ -277,8 +277,8 @@ with config.krebs.lib; cores = 1; nets = { retiolum = { - addrs4 = ["10.243.214.15"]; - addrs6 = ["42:5a02:2c30:c1b1:3f2e:7c19:2496:a732"]; + ip4.addr = "10.243.214.15"; + ip6.addr = "42:5a02:2c30:c1b1:3f2e:7c19:2496:a732"; aliases = [ "wbob.retiolum" ]; @@ -301,24 +301,24 @@ TNs2RYfwDy/r6H/hDeB/BSngPouedEVcPwIDAQAB extraZones = { "krebsco.de" = '' - share.euer IN A ${head nets.internet.addrs4} - mattermost.euer IN A ${head nets.internet.addrs4} - git.euer IN A ${head nets.internet.addrs4} - gum IN A ${head nets.internet.addrs4} - cgit.euer IN A ${head nets.internet.addrs4} + share.euer IN A ${nets.internet.ip4.addr} + mattermost.euer IN A ${nets.internet.ip4.addr} + git.euer IN A ${nets.internet.ip4.addr} + gum IN A ${nets.internet.ip4.addr} + cgit.euer IN A ${nets.internet.ip4.addr} ''; }; nets = rec { internet = { - addrs4 = ["195.154.108.70"]; + ip4.addr = "195.154.108.70"; aliases = [ "gum.internet" ]; }; retiolum = { via = internet; - addrs4 = ["10.243.0.211"]; - addrs6 = ["42:f9f0:0000:0000:0000:0000:0000:70d2"]; + ip4.addr = "10.243.0.211"; + ip6.addr = "42:f9f0:0000:0000:0000:0000:0000:70d2"; aliases = [ "gum.r" "gum.retiolum" @@ -346,20 +346,20 @@ TNs2RYfwDy/r6H/hDeB/BSngPouedEVcPwIDAQAB cores = 1; extraZones = { "krebsco.de" = '' - mediengewitter IN A ${head nets.internet.addrs4} - flap IN A ${head nets.internet.addrs4} + mediengewitter IN A ${nets.internet.ip4.addr} + flap IN A ${nets.internet.ip4.addr} ''; }; nets = { internet = { - addrs4 = ["162.248.11.162"]; + ip4.addr = "162.248.11.162"; aliases = [ "flap.internet" ]; }; retiolum = { - addrs4 = ["10.243.211.172"]; - addrs6 = ["42:472a:3d01:bbe4:4425:567e:592b:065d"]; + ip4.addr = "10.243.211.172"; + ip6.addr = "42:472a:3d01:bbe4:4425:567e:592b:065d"; aliases = [ "flap.retiolum" "flap.r" @@ -382,8 +382,8 @@ TNs2RYfwDy/r6H/hDeB/BSngPouedEVcPwIDAQAB cores = 1; nets = { retiolum = { - addrs4 = ["10.243.231.219"]; - addrs6 = ["42:f7bf:178d:4b68:1c1b:42e8:6b27:6a72"]; + ip4.addr = "10.243.231.219"; + ip6.addr = "42:f7bf:178d:4b68:1c1b:42e8:6b27:6a72"; aliases = [ "nukular.r" ]; @@ -405,8 +405,8 @@ TNs2RYfwDy/r6H/hDeB/BSngPouedEVcPwIDAQAB cores = 1; nets = { retiolum = { - addrs4 = ["10.243.124.21"]; - addrs6 = ["42:9898:a8be:ce56:0ee3:b99c:42c5:109e"]; + ip4.addr = "10.243.124.21"; + ip6.addr = "42:9898:a8be:ce56:0ee3:b99c:42c5:109e"; aliases = [ "heidi.r" ]; @@ -428,7 +428,7 @@ TNs2RYfwDy/r6H/hDeB/BSngPouedEVcPwIDAQAB cores = 1; nets = { retiolum = { - addrs4 = ["10.243.69.184"]; + ip4.addr = "10.243.69.184"; aliases = [ "soundflower.r" ]; @@ -450,7 +450,7 @@ TNs2RYfwDy/r6H/hDeB/BSngPouedEVcPwIDAQAB cores = 1; nets = { retiolum = { - addrs4 = ["10.243.120.19"]; + ip4.addr = "10.243.120.19"; aliases = [ "falk.r" ]; @@ -472,8 +472,8 @@ TNs2RYfwDy/r6H/hDeB/BSngPouedEVcPwIDAQAB cores = 4; nets = { retiolum = { - addrs4 = ["10.243.189.130"]; - addrs6 = ["42:c64e:011f:9755:31e1:c3e6:73c0:af2d"]; + ip4.addr = "10.243.189.130"; + ip6.addr = "42:c64e:011f:9755:31e1:c3e6:73c0:af2d"; aliases = [ "filebitch.r" ]; @@ -495,8 +495,8 @@ TNs2RYfwDy/r6H/hDeB/BSngPouedEVcPwIDAQAB cores = 1; nets = { retiolum = { - addrs4 = ["10.243.26.29"]; - addrs6 = ["42:927a:3d59:1cb3:29d6:1a08:78d3:812e"]; + ip4.addr = "10.243.26.29"; + ip6.addr = "42:927a:3d59:1cb3:29d6:1a08:78d3:812e"; aliases = [ "excobridge.r" ]; @@ -518,14 +518,14 @@ TNs2RYfwDy/r6H/hDeB/BSngPouedEVcPwIDAQAB cores = 1; nets = { internet = { - addrs4 = ["148.251.47.69"]; + ip4.addr = "148.251.47.69"; aliases = [ "wooki.internet" ]; }; retiolum = { - addrs4 = ["10.243.57.85"]; - addrs6 = ["42:2f06:b899:a3b5:1dcf:51a4:a02b:8731"]; + ip4.addr = "10.243.57.85"; + ip6.addr = "42:2f06:b899:a3b5:1dcf:51a4:a02b:8731"; aliases = [ "wooki.r" ]; @@ -543,18 +543,41 @@ TNs2RYfwDy/r6H/hDeB/BSngPouedEVcPwIDAQAB }; }; + senderechner = rec { + cores = 2; + nets = { + retiolum = { + ip4.addr = "10.243.0.163"; + ip6.addr = "42:b67b:5752:a730:5f28:d80d:6b37:5bda"; + aliases = [ + "senderechner.r" + ]; + tinc.pubkey = '' + -----BEGIN RSA PUBLIC KEY----- + MIIBCgKCAQEA0zCc5aLVRO6NuxUoR6BVzq2PQ/U5AEjYTdGkQufRot42N29MhxY7 + lJBfPfkw/yg2FOzmAzTi62QyrLWSaF1x54rKu+JeNSsOAX+BorGhM67N45DGvJ0X + rakIL0BrVoV7Kxssq3DscGVbjbNS5B5c+IvTp97me/MpuDrfYqUyZk5mS9nB0oDL + inao/A5AtOO4sdqN5BNE9/KisN/9dD359Gz2ZGGq6Ki7o4HBdBj5vi0f4fTofZxT + BJH4BxbWaHwXMC0HYGlhQS0Y7tKYT6h3ChxoLDuW2Ox2IF5AQ/O4t4PIBDp1XaAO + OK8SsmsiD6ZZm6q/nLWBkYH08geYfq0BhQIDAQAB + -----END RSA PUBLIC KEY----- + ''; + }; + }; + }; + muhbaasu = rec { cores = 1; nets = { internet = { - addrs4 = ["217.160.206.154"]; + ip4.addr = "217.160.206.154"; aliases = [ "muhbaasu.internet" ]; }; retiolum = { - addrs4 = ["10.243.139.184"]; - addrs6 = ["42:d568:6106:ba30:753b:0f2a:8225:b1fb"]; + ip4.addr = "10.243.139.184"; + ip6.addr = "42:d568:6106:ba30:753b:0f2a:8225:b1fb"; aliases = [ "muhbaasu.r" ]; diff --git a/krebs/3modules/miefda/default.nix b/krebs/3modules/miefda/default.nix index 9a5866294..a03f7ff4d 100644 --- a/krebs/3modules/miefda/default.nix +++ b/krebs/3modules/miefda/default.nix @@ -8,8 +8,8 @@ with config.krebs.lib; cores = 4; nets = { retiolum = { - addrs4 = ["10.243.111.112"]; - addrs6 = ["42:0:0:0:0:0:111:112"]; + ip4.addr = "10.243.111.112"; + ip6.addr = "42:0:0:0:0:0:111:112"; aliases = [ "bobby.retiolum" "cgit.bobby.retiolum" diff --git a/krebs/3modules/mv/default.nix b/krebs/3modules/mv/default.nix index 3b4001e7a..20118c61f 100644 --- a/krebs/3modules/mv/default.nix +++ b/krebs/3modules/mv/default.nix @@ -8,8 +8,8 @@ with config.krebs.lib; cores = 4; nets = { retiolum = { - addrs4 = ["10.243.111.111"]; - addrs6 = ["42:0:0:0:0:0:111:111"]; + ip4.addr = "10.243.111.111"; + ip6.addr = "42:0:0:0:0:0:111:111"; aliases = [ "stro.retiolum" "cgit.stro.retiolum" diff --git a/krebs/3modules/nginx.nix b/krebs/3modules/nginx.nix index 816c2ff69..6af93a570 100644 --- a/krebs/3modules/nginx.nix +++ b/krebs/3modules/nginx.nix @@ -117,28 +117,24 @@ let } ''; - to-server = { server-names, listen, locations, extraConfig, ssl, ... }: - let - _extraConfig = if ssl.enable then - extraConfig + '' - ssl_certificate ${ssl.certificate}; - ssl_certificate_key ${ssl.certificate_key}; - ${optionalString ssl.prefer_server_ciphers "ssl_prefer_server_ciphers On;"} - ssl_ciphers ${ssl.ciphers}; - ssl_protocols ${toString ssl.protocols}; - '' - else - extraConfig - ; - - in '' - server { - ${concatMapStringsSep "\n" (x: "listen ${x};") (listen ++ optional ssl.enable "443 ssl")} - server_name ${toString server-names}; - ${indent _extraConfig} - ${indent (concatMapStrings to-location locations)} - } - ''; + to-server = { server-names, listen, locations, extraConfig, ssl, ... }: '' + server { + server_name ${toString server-names}; + ${concatMapStringsSep "\n" (x: indent "listen ${x};") listen} + ${optionalString ssl.enable (indent '' + listen 443 ssl; + ssl_certificate ${ssl.certificate}; + ssl_certificate_key ${ssl.certificate_key}; + ${optionalString ssl.prefer_server_ciphers '' + ssl_prefer_server_ciphers On; + ''} + ssl_ciphers ${ssl.ciphers}; + ssl_protocols ${toString ssl.protocols}; + '')} + ${indent extraConfig} + ${indent (concatMapStrings to-location locations)} + } + ''; in out diff --git a/krebs/3modules/retiolum.nix b/krebs/3modules/retiolum.nix index 61b4473e1..5aaeb5a30 100644 --- a/krebs/3modules/retiolum.nix +++ b/krebs/3modules/retiolum.nix @@ -11,26 +11,13 @@ let api = { enable = mkEnableOption "krebs.retiolum"; - name = mkOption { - type = types.str; - default = config.networking.hostName; - # Description stolen from tinc.conf(5). - description = '' - This is the name which identifies this tinc daemon. It must - be unique for the virtual private network this daemon will - connect to. The Name may only consist of alphanumeric and - underscore characters. If Name starts with a $, then the - contents of the environment variable that follows will be - used. In that case, invalid characters will be converted to - underscores. If Name is $HOST, but no such environment - variable exist, the hostname will be read using the - gethostnname() system call This is the name which identifies - the this tinc daemon. - ''; + host = mkOption { + type = types.host; + default = config.krebs.build.host; }; netname = mkOption { - type = types.str; + type = types.enum (attrNames cfg.host.nets); default = "retiolum"; description = '' The tinc network name. @@ -99,17 +86,13 @@ let description = "Iproute2 package to use."; }; - - privateKeyFile = mkOption { - # TODO if it's types.path then it gets copied to /nix/store with - # bad unsafe permissions... - type = types.str; - default = toString <secrets/retiolum.rsa_key.priv>; - description = '' - Generate file with <literal>tincd -K</literal>. - This file must exist on the local system. The default points to - <secrets/retiolum.rsa_key.priv>. - ''; + privkey = mkOption { + type = types.secret-file; + default = { + path = "${cfg.user.home}/tinc.rsa_key.priv"; + owner = cfg.user; + source-path = toString <secrets> + "/${cfg.netname}.rsa_key.priv"; + }; }; connectTo = mkOption { @@ -122,81 +105,67 @@ let ''; }; + user = mkOption { + type = types.user; + default = { + name = cfg.netname; + home = "/var/lib/${cfg.user.name}"; + }; + }; }; imp = { + krebs.secret.files."${cfg.netname}.rsa_key.priv" = cfg.privkey; + environment.systemPackages = [ tinc iproute ]; - systemd.services.retiolum = { + systemd.services.${cfg.netname} = { description = "Tinc daemon for Retiolum"; after = [ "network.target" ]; wantedBy = [ "multi-user.target" ]; + requires = [ "secret.service" ]; path = [ tinc iproute ]; serviceConfig = rec { - PermissionsStartOnly = "true"; - PrivateTmp = "true"; Restart = "always"; - # TODO we cannot chroot (-R) b/c we use symlinks to hosts - # and the private key. - ExecStartPre = pkgs.writeScript "retiolum-init" '' - #! /bin/sh - install -o ${user.name} -m 0400 ${cfg.privateKeyFile} /tmp/retiolum-rsa_key.priv - ''; - ExecStart = "${tinc}/sbin/tincd -c ${confDir} -d 0 -U ${user.name} -D --pidfile=/var/run/tinc.${SyslogIdentifier}.pid"; - SyslogIdentifier = "retiolum"; + ExecStart = "${tinc}/sbin/tincd -c ${confDir} -d 0 -U ${cfg.user.name} -D --pidfile=/var/run/tinc.${SyslogIdentifier}.pid"; + SyslogIdentifier = cfg.netname; }; }; - users.extraUsers = singleton { - inherit (user) name uid; + users.users.${cfg.user.name} = { + inherit (cfg.user) home name uid; + createHome = true; }; }; - user = rec { - name = "retiolum"; - uid = genid name; - }; + net = cfg.host.nets.${cfg.netname}; tinc = cfg.tincPackage; iproute = cfg.iproutePackage; - confDir = pkgs.runCommand "retiolum" { - # TODO text - executable = true; - preferLocalBuild = true; - } '' - set -euf - - mkdir -p $out - - ln -s ${cfg.hostsPackage} $out/hosts - - cat &g |