From a184ad849f060dd24840ddc3d3dd61ade12d1980 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Thu, 18 Jul 2024 09:01:49 +0200
Subject: nixos: update adm-omnia setup for deployment

---
 nixos/configurations/adm-omnia.nix | 88 +++++++++++++++++++++++++++++---------
 1 file changed, 67 insertions(+), 21 deletions(-)

(limited to 'nixos/configurations')

diff --git a/nixos/configurations/adm-omnia.nix b/nixos/configurations/adm-omnia.nix
index dad595b..069dfb0 100644
--- a/nixos/configurations/adm-omnia.nix
+++ b/nixos/configurations/adm-omnia.nix
@@ -1,35 +1,77 @@
-{config, ...}: {
+{config, ...}: let
+  hosts = config.cynerd.hosts.adm;
+in {
   turris.board = "omnia";
+  deploy = {
+    enable = false;
+    ssh.host = "omnia.adm";
+  };
 
   cynerd = {
     router = {
       enable = true;
       wan = "pppoe-wan";
-      lanIP = config.cynerd.hosts.adm.omnia;
+      lanIP = hosts.omnia;
+      staticLeases = {
+        "70:85:c2:4a:59:f2" = hosts.ridcully;
+        "7c:b0:c2:bb:9c:ca" = hosts.albert;
+        "4c:d5:77:0d:85:d9" = hosts.binky;
+        "b8:27:eb:49:54:5a" = hosts.mpd;
+      };
+      guestStaticLeases = {
+        "f4:a9:97:a4:bd:59" = hosts.printer;
+      };
     };
     wifiAP.adm = {
-      enable = true;
-      ar9287.interface = "wlp3s0";
-      qca988x.interface = "wlp2s0";
+      enable = false;
+      ar9287 = {
+        interface = "wlp1s0";
+        bssids = ["04:f0:21:23:3d:ce" "08:f0:21:23:3d:ce" "0c:f0:21:23:3d:ce"];
+        channel = 11;
+      };
+      qca988x = {
+        interface = "wlp3s0";
+        bssids = ["04:f0:21:24:0b:4e" "08:f0:21:24:0b:4e" "0c:f0:21:24:0b:4e"];
+        channel = 36;
+      };
     };
+    wireguard = true;
     monitoring.speedtest = true;
   };
 
-  networking.useDHCP = false;
+  services.journald.extraConfig = ''
+    SystemMaxUse=8G
+  '';
+
+  services.btrfs.autoScrub = {
+    enable = true;
+    fileSystems = ["/"];
+  };
+
+  networking = {
+    useNetworkd = true;
+    useDHCP = false;
+  };
   systemd.network = {
     networks = {
-      "end2" = {
-        matchConfig.Name = "end2";
-        #networkConfig = {
-        #  DHCP = "ipv6";
-        #  IPv6AcceptRA = "yes";
-        #  DHCPPrefixDelegation = "yes";
-        #};
-        #dhcpPrefixDelegationConfig = {
-        #  UplinkInterface = ":self";
-        #  SubnetId = 0;
-        #  Announce = "no";
-        #};
+      "pppoe-wan" = {
+        matchConfig.Name = "pppoe-wan";
+        networkConfig = {
+          BindCarrier = "end2";
+          DHCP = "ipv6";
+          IPv6AcceptRA = "no";
+          DHCPPrefixDelegation = "yes";
+          DNS = "1.1.1.1";
+        };
+        dhcpV6Config = {
+          PrefixDelegationHint = "::/56";
+          UseDNS = "no";
+        };
+        dhcpPrefixDelegationConfig = {
+          UplinkInterface = ":self";
+          SubnetId = 0;
+          Announce = "no";
+        };
         linkConfig.RequiredForOnline = "routable";
       };
       "lan-brlan" = {
@@ -43,7 +85,7 @@
           {VLAN = 2;}
         ];
       };
-      "lan0-guest" = {
+      "lan-guest" = {
         matchConfig.Name = "lan0";
         networkConfig.Bridge = "brlan";
         bridgeVLANs = [
@@ -64,14 +106,18 @@
       lcp-echo-interval 1
       lcp-echo-failure 5
       lcp-echo-adaptive
-      +ipv6
       defaultroute
       defaultroute6
-      usepeerdns
+      #usepeerdns
       maxfail 1
       user O2
       password 02
     '';
   };
   systemd.services."pppd-wan".after = ["sys-subsystem-net-devices-end2.device"];
+  # TODO limit NSS clamping to just pppoe-wan
+  networking.firewall.extraForwardRules = ''
+    tcp flags syn tcp option maxseg size set rt mtu comment "Needed for PPPoE to fix IPv4"
+    iifname {"home", "personalvpn", "wg"} oifname {"home", "personalvpn", "wg"} accept
+  '';
 }
-- 
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