start set up for multi-location nixos flake

nixos/hosts/default.nix

@@ -0,0 +1,4 @@
+{
+  olympus = import ./olympus;
+  hades = [];
+}

nixos/hosts/olympus/default.nix

@@ -0,0 +1,153 @@
+[
+  {
+    hostname = "edgerouter";
+    ip = "10.42.42.1";
+    ip6 = "2001:41f0:9639:1:b6fb:e4ff:fe53:9c0";
+    mac = "B4:FB:E4:53:9C:0A";
+    nix = false;
+  }
+  {
+    hostname = "unifi-ap";
+    ip = "10.42.42.2";
+    mac = "b4:fb:e4:f3:ff:1b";
+    nix = false;
+  }
+  {
+    hostname = "dhcp";
+    ip = "10.42.42.3";
+    mac = "3E:2D:E8:AA:E2:81";
+  }
+  {
+    hostname = "bastion";
+    ip = "10.42.42.4";
+    ip6 = "2001:41f0:9639:1:80f0:7cff:fecb:bd6d";
+    mac = "82:F0:7C:CB:BD:6D";
+    lxc = false;
+  }
+  {
+    hostname = "vault";
+    ip = "10.42.42.6";
+    mac = "16:2B:87:55:0C:0C";
+  }
+  {
+    hostname = "mosquitto";
+    ip = "10.42.42.7";
+    mac = "C6:F9:8B:3D:9E:37";
+  }
+  {
+    hostname = "home-assistant";
+    ip = "10.42.42.8";
+    ip6 = "2001:41f0:9639:1:bfe7:3fd9:75de:cbee";
+    mac = "9E:60:78:ED:81:B4";
+    nix = false;
+  }
+  {
+    hostname = "nginx";
+    ip = "10.42.42.9";
+    ip6 = "2001:41f0:9639:1:68c2:89ff:fe85:cfa6";
+    mac = "6A:C2:89:85:CF:A6";
+    tags = [ "web" ];
+  }
+  {
+    hostname = "k3s-node1";
+    profile = "k3s";
+    ip = "10.42.42.10";
+    mac = "2E:F8:55:23:D9:9B";
+    lxc = false;
+  }
+  {
+    hostname = "WoolooTV";
+    ip = "10.42.42.13";
+    mac = "74:40:be:48:85:a4";
+    nix = false;
+  }
+  # {
+  #   ip = "10.42.42.14";
+  # }
+  {
+    hostname = "dns-1";
+    profile = "dns";
+    ip = "10.42.42.15";
+    mac = "5E:F6:36:23:16:E3";
+  }
+  {
+    hostname = "dns-2";
+    profile = "dns";
+    ip = "10.42.42.16";
+    mac = "B6:04:0B:CD:0F:9F";
+  }
+  {
+    hostname = "minio";
+    ip = "10.42.42.17";
+    mac = "0A:06:5E:E7:9A:0C";
+  }
+  # {
+  #   ip = "10.42.42.18";
+  # }
+  {
+    hostname = "victoriametrics";
+    ip = "10.42.42.19";
+    mac = "9E:91:61:35:84:1F";
+  }
+  {
+    hostname = "unifi";
+    ip = "10.42.42.20";
+    mac = "1A:88:A0:B0:65:B4";
+  }
+  {
+    hostname = "minecraft";
+    ip = "10.42.42.21";
+    mac = "EA:30:73:E4:B6:69";
+  }
+  {
+    hostname = "gitea";
+    ip = "10.42.42.22";
+    mac = "DE:5F:B0:83:6F:34";
+  }
+  {
+    hostname = "hedgedoc";
+    ip = "10.42.42.23";
+    mac = "86:BC:0C:18:BC:9B";
+  }
+  {
+    hostname = "zmeura";
+    ip = "10.42.42.24";
+    mac = "b8:27:eb:d5:e0:f5";
+    nix = false;
+  }
+  {
+    hostname = "wireguard";
+    ip = "10.42.42.25";
+    mac = "1E:ED:97:2C:C3:9D";
+  }
+  {
+    hostname = "database";
+    ip = "10.42.42.26";
+    mac = "CE:6E:96:87:18:1B";
+  }
+  {
+    hostname = "bookwyrm";
+    ip = "10.42.42.27";
+    mac = "9E:8A:6C:39:27:DE";
+    nix = false;
+  }
+  {
+    hostname = "synapse";
+    ip = "10.42.42.28";
+    mac = "9E:86:D3:46:EE:AE";
+  }
+  {
+    hostname = "nuc";
+    ip = "10.42.42.42";
+    ip6 = "2001:41f0:9639:1::42";
+    mac = "1C:69:7A:62:30:88";
+    nix = false;
+  }
+  {
+    hostname = "eevee";
+    ip = "10.42.42.69";
+    ip6 = "2001:41f0:9639:1:a83:e416:dc99:5ed3";
+    mac = "34:97:f6:93:9A:AA";
+    nix = false;
+  }
+]

nixos/hosts/olympus/dhcp/configuration.nix

@@ -5,6 +5,7 @@ let
     hostName = hostname;
     ipAddress = ip;
   };
+  hosts' = hosts.olympus;
 in {
   imports = [ ];
 
@@ -47,6 +48,6 @@ in {
         range 10.42.43.1 10.42.43.254;
       }
     '';
-    machines = map hostToDhcp hosts;
+    machines = map hostToDhcp hosts';
   };
 }

nixos/hosts/olympus/dns/configuration.nix

@@ -2,7 +2,9 @@
 let
   inherit (builtins) filter hasAttr;
   localdomain = "olympus";
-  ipv6Hosts = filter (hasAttr "ip6") hosts;
+  # TODO: use location attr in hosts
+  hosts' = hosts.${localdomain};
+  ipv6Hosts = filter (hasAttr "ip6") hosts';
 
   localData = { hostname, ip, ... }: ''"${hostname}.${localdomain}. A ${ip}"'';
   local6Data = { hostname, ip6, ... }: ''"${hostname}.${localdomain}. AAAA ${ip6}"'';
@@ -38,8 +40,8 @@ in {
         interface = [ "0.0.0.0" "::0" ];
 
         local-zone = ''"${localdomain}." transparent'';
-        local-data = (map localData hosts) ++ (map local6Data ipv6Hosts);
-        local-data-ptr = (map ptrData hosts) ++ (map ptr6Data ipv6Hosts);
+        local-data = (map localData hosts') ++ (map local6Data ipv6Hosts);
+        local-data-ptr = (map ptrData hosts') ++ (map ptr6Data ipv6Hosts);
 
         access-control = [
           "127.0.0.1/32 allow_snoop"