nixos/shill: Add jam container

nixos/boxes/colony/vms/default.nix

@@ -131,6 +131,7 @@
               (vm.lvmDisk "media")
               (vm.lvmDisk "minio")
               (vm.lvmDisk "nix-atticd")
+              (vm.lvmDisk "jam")
             ]);
           };
 

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

@@ -394,6 +394,9 @@ in
                       # Safe enough to allow all SSH
                       tcp dport ssh accept
 
+                      # jam-ctr forwards
+                      ip daddr ${aa.shill.internal.ipv4.address} tcp dport 60022 accept
+
                       ip6 daddr ${aa.middleman.internal.ipv6.address} tcp dport { http, https, 8448 } accept
                       ${matchInet "tcp dport { http, https } accept" "git"}
                       ip6 daddr ${aa.simpcraft-oci.internal.ipv6.address} tcp dport { 25565, 25575 } accept

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

@@ -2,7 +2,7 @@
 let
   inherit (builtins) attrNames;
   inherit (lib.my) net;
-  inherit (lib.my.c.colony) prefixes;
+  inherit (lib.my.c.colony) prefixes custRouting;
 
   authZones = attrNames config.my.pdns.auth.bind.zones;
 in
@@ -162,6 +162,10 @@ in
 
             andrey-cust IN A ${allAssignments.kelder.estuary.ipv4.address}
 
+            jam-cust IN A ${net.cidr.host 0 prefixes.jam.v4}
+            jam-fwd IN A ${allAssignments.shill.internal.ipv4.address}
+            jam-cust IN AAAA ${net.cidr.host 1 prefixes.jam.v6}
+
             $TTL 3
             _acme-challenge IN LUA TXT @@FILE@@
 

nixos/boxes/colony/vms/shill/containers-ext.nix

@@ -0,0 +1,105 @@
+{ lib, pkgs, assignments, ... }:
+let
+  inherit (lib.my) net;
+  inherit (lib.my.c.colony) prefixes custRouting;
+in
+{
+  fileSystems = {
+    "/mnt/jam" = {
+      device = "/dev/disk/by-label/jam";
+      fsType = "ext4";
+    };
+
+    "/var/lib/machines/jam" = {
+      device = "/mnt/jam";
+      options = [ "bind" ];
+    };
+  };
+
+  systemd = {
+    nspawn = {
+      jam = {
+        enable = true;
+        execConfig = {
+          Boot = true;
+          PrivateUsers = "pick";
+          LinkJournal = false;
+        };
+        networkConfig = {
+          Private = true;
+          VirtualEthernet = true;
+        };
+      };
+    };
+    network.networks = {
+      "50-ve-jam" = {
+        matchConfig = {
+          Kind = "veth";
+          Name = "ve-jam";
+        };
+        address = [
+          custRouting.jam-ctr
+          prefixes.jam.v6
+        ];
+        networkConfig = {
+          IPv6AcceptRA = false;
+          IPv6SendRA = true;
+        };
+        ipv6Prefixes = [
+          {
+            ipv6PrefixConfig.Prefix = prefixes.jam.v6;
+          }
+        ];
+        routes = map (r: { routeConfig = r; }) [
+          {
+            Destination = prefixes.jam.v4;
+            Scope = "link";
+          }
+        ];
+      };
+    };
+    services = {
+      "systemd-nspawn@jam" = {
+        overrideStrategy = "asDropin";
+
+        serviceConfig = {
+          CPUQuota = "400%";
+          MemoryHigh = "4G";
+          MemoryMax = "4.5G";
+        };
+
+        wantedBy = [ "machines.target" ];
+      };
+    };
+  };
+
+  my = {
+    firewall =
+    let
+      jamIP = net.cidr.host 0 prefixes.jam.v4;
+    in
+    {
+      nat.forwardPorts."${assignments.internal.ipv4.address}" = [
+        {
+          port = 60022;
+          dst = jamIP;
+          dstPort = "ssh";
+        }
+      ];
+      extraRules = ''
+        table inet filter {
+          chain forward {
+            iifname { ve-jam } oifname vms accept
+            iifname vms oifname { ve-jam } accept
+          }
+        }
+
+        table inet nat {
+          chain postrouting {
+            ip saddr ${jamIP} snat to ${assignments.internal.ipv4.address}
+          }
+        }
+      '';
+    };
+  };
+}

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

@@ -49,7 +49,11 @@ in
         inherit (lib.my) networkdAssignment;
       in
       {
-        imports = [ "${modulesPath}/profiles/qemu-guest.nix" ];
+        imports = [
+          "${modulesPath}/profiles/qemu-guest.nix"
+
+          ./containers-ext.nix
+        ];
 
         config = mkMerge [
           {