nixos: Initial waffletail

nixos/boxes/britway/tailscale.nix

@@ -19,8 +19,6 @@ let
   };
 
   advRoutes = concatStringsSep "," [
-    lib.my.c.colony.prefixes.all.v4
-    lib.my.c.colony.prefixes.all.v6
     lib.my.c.home.prefixes.all.v4
     lib.my.c.home.prefixes.all.v6
   ];
@@ -87,6 +85,7 @@ in
           "--netfilter-mode=off"
           "--advertise-exit-node"
           "--advertise-routes=${advRoutes}"
+          "--accept-routes=false"
         ];
       };
     };

nixos/boxes/colony/default.nix

@@ -248,6 +248,14 @@ in
                       Destination = allAssignments.shill.internal.ipv4.address;
                       Gateway = allAssignments.shill.routing.ipv4.address;
                     }
+                    {
+                      Destination = lib.my.c.tailscale.prefix.v4;
+                      Gateway = allAssignments.shill.routing.ipv4.address;
+                    }
+                    {
+                      Destination = lib.my.c.tailscale.prefix.v6;
+                      Gateway = allAssignments.shill.internal.ipv6.address;
+                    }
 
                     {
                       Destination = prefixes.oci.v4;

nixos/boxes/colony/vms/estuary/default.nix

@@ -298,6 +298,15 @@ in
                           Destination = prefixes.cust.v6;
                           Gateway = allAssignments.colony.internal.ipv6.address;
                         }
+
+                        {
+                          Destination = lib.my.c.tailscale.prefix.v4;
+                          Gateway = allAssignments.colony.routing.ipv4.address;
+                        }
+                        {
+                          Destination = lib.my.c.tailscale.prefix.v6;
+                          Gateway = allAssignments.colony.internal.ipv6.address;
+                        }
                       ] ++
                       (map (pName: [
                         {
@@ -322,15 +331,6 @@ in
                         Destination = lib.my.c.home.prefixes.all.v4;
                         Gateway = lib.my.c.home.vips.as211024.v4;
                       }
-
-                      {
-                        Destination = lib.my.c.tailscale.prefix.v4;
-                        Gateway = allAssignments.britway.as211024.ipv4.address;
-                      }
-                      {
-                        Destination = lib.my.c.tailscale.prefix.v6;
-                        Gateway = allAssignments.britway.as211024.ipv6.address;
-                      }
                     ];
                   }
                 ];
@@ -395,11 +395,11 @@ in
                       tcp dport ssh accept
 
                       ${matchInet "tcp dport { http, https, 8448 } accept" "middleman"}
-                      ${matchInet "udp dport { 2456-2457 } accept" "valheim-oci"}
-
                       return
                     }
                     chain routing-udp {
+                      ip6 daddr ${aa.valheim-oci.internal.ipv6.address} udp dport { 2456-2457 } accept
+                      ip6 daddr ${aa.waffletail.internal.ipv6.address} udp dport 41641 accept
                       return
                     }
                     chain filter-routing {

nixos/boxes/colony/vms/shill/containers/default.nix

@@ -7,5 +7,6 @@
     ./jackflix
     ./object.nix
     ./toot.nix
+    ./waffletail.nix
   ];
 }

nixos/boxes/colony/vms/shill/containers/waffletail.nix

@@ -0,0 +1,100 @@
+{ lib, ... }:
+let
+  inherit (lib.my) net;
+  inherit (lib.my.c.colony) domain prefixes;
+in
+{
+  nixos.systems.waffletail = { config, ... }: {
+    system = "x86_64-linux";
+    nixpkgs = "mine";
+    rendered = config.configuration.config.my.asContainer;
+
+    assignments = {
+      internal = {
+        name = "waffletail-ctr";
+        inherit domain;
+        ipv4.address = net.cidr.host 9 prefixes.ctrs.v4;
+        ipv6 = {
+          iid = "::9";
+          address = net.cidr.host 9 prefixes.ctrs.v6;
+        };
+      };
+      tailscale = with lib.my.c.tailscale; {
+        ipv4 = {
+          address = net.cidr.host 5 prefix.v4;
+          mask = 32;
+          gateway = null;
+        };
+        ipv6 = {
+          address = net.cidr.host 5 prefix.v6;
+          mask = 128;
+        };
+      };
+    };
+
+    configuration = { lib, config, assignments, ... }:
+    let
+      inherit (lib) concatStringsSep mkMerge mkIf mkForce;
+      inherit (lib.my) networkdAssignment;
+    in
+    {
+      config = {
+        my = {
+          deploy.enable = false;
+          server.enable = true;
+
+          secrets = {
+            key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICZc88lcSQ9zzQzDITdE/T5ty++TxFQUAED7p9YfFBiR";
+            files = {
+              "tailscale-auth.key" = {};
+            };
+          };
+
+          firewall = {
+            trustedInterfaces = [ "tailscale0" ];
+            extraRules = ''
+              table inet filter {
+                chain forward {
+                  iifname host0 oifname tailscale0 ip saddr ${prefixes.all.v4} accept
+                  iifname host0 oifname tailscale0 ip6 saddr ${prefixes.all.v6} accept
+                }
+              }
+              table inet nat {
+                chain postrouting {
+                  iifname tailscale0 ip daddr != ${prefixes.all.v4} snat to ${assignments.internal.ipv4.address}
+                  iifname tailscale0 ip6 daddr != ${prefixes.all.v6} snat ip6 to ${assignments.internal.ipv6.address}
+                }
+              }
+            '';
+          };
+        };
+
+        systemd = {
+          network.networks."80-container-host0" = networkdAssignment "host0" assignments.internal;
+        };
+
+        services = {
+          tailscale =
+          let
+            advRoutes = concatStringsSep "," (with prefixes.all; [ v4 v6 ]);
+          in
+          {
+            enable = true;
+            authKeyFile = config.age.secrets."tailscale-auth.key".path;
+            port = 41641;
+            openFirewall = true;
+            interfaceName = "tailscale0";
+            extraUpFlags = [
+              "--operator=${config.my.user.config.name}"
+              "--login-server=https://ts.nul.ie"
+              "--netfilter-mode=off"
+              "--advertise-exit-node"
+              "--advertise-routes=${advRoutes}"
+              "--accept-routes=false"
+            ];
+          };
+        };
+      };
+    };
+  };
+}

nixos/boxes/colony/vms/shill/default.nix

@@ -139,6 +139,16 @@ in
                         ipv6PrefixConfig.Prefix = prefixes.ctrs.v6;
                       }
                     ];
+                    routes = map (r: { routeConfig = r; }) [
+                      {
+                        Destination = lib.my.c.tailscale.prefix.v4;
+                        Gateway = allAssignments.waffletail.internal.ipv4.address;
+                      }
+                      {
+                        Destination = lib.my.c.tailscale.prefix.v6;
+                        Gateway = allAssignments.waffletail.internal.ipv6.address;
+                      }
+                    ];
                   }
                 ];
               };
@@ -196,6 +206,7 @@ in
                     };
                   };
                   toot = {};
+                  waffletail = {};
                 };
               in
               mkMerge [