From e1556fa6cb914d631d50f418e7a0bd8cd7261ba1 Mon Sep 17 00:00:00 2001
From: Adithya Nair <adtya@adtya.xyz>
Date: Sun, 27 Oct 2024 18:34:32 +0530
Subject: [PATCH] rico1: add blocky

---
 hosts/rico1/services/apps/blocky.nix  | 141 ++++++++++++++++++++++++++
 hosts/rico1/services/apps/default.nix |   1 +
 2 files changed, 142 insertions(+)
 create mode 100644 hosts/rico1/services/apps/blocky.nix

diff --git a/hosts/rico1/services/apps/blocky.nix b/hosts/rico1/services/apps/blocky.nix
new file mode 100644
index 0000000..b46bf2a
--- /dev/null
+++ b/hosts/rico1/services/apps/blocky.nix
@@ -0,0 +1,141 @@
+{ pkgs, ... }:
+let
+  inherit (import ../../../shared/caddy-helpers.nix) logFormat;
+  domainName = "blocky.labs.adtya.xyz";
+in
+{
+  networking = {
+    firewall = {
+      allowedTCPPorts = [
+        53 #DNS
+      ];
+      allowedUDPPorts = [
+        53 #DNS
+      ];
+    };
+  };
+  systemd.services.blocky.unitConfig.After = [ "network-online.target" "wireguard-wg0.service" ];
+  services = {
+    caddy = {
+      virtualHosts."${domainName}" = {
+        logFormat = logFormat domainName;
+        extraConfig = ''
+          reverse_proxy 127.0.0.1:8080
+        '';
+      };
+    };
+    blocky = {
+      enable = true;
+      settings = {
+        bootstrapDns = [ "tcp+udp:1.1.1.1" ];
+        upstreams = {
+          init.strategy = "blocking";
+          groups = {
+            default = [
+              # Cloudflare
+              "tcp+udp:1.1.1.1"
+
+              # Google
+              "tcp+udp:8.8.8.8"
+              "tcp+udp:8.8.4.4"
+
+              # Quad9
+              "tcp+udp:9.9.9.9"
+              "tcp+udp:149.112.112.112"
+              "tcp-tls:dns.quad9.net:853"
+              "https://dns.quad9.net/dns-query"
+            ];
+          };
+          strategy = "parallel_best";
+          timeout = "2s";
+          userAgent = "Praise the DNS overlords!";
+        };
+        connectIPVersion = "v4";
+        customDNS = {
+          customTTL = "1h";
+          filterUnmappedTypes = true;
+          mapping = {
+            # Local (Home Network)
+            "gateway.local.adtya.xyz" = "192.168.0.1";
+            "ap1.local.adtya.xyz" = "192.168.1.1";
+            "ap2.local.adtya.xyz" = "192.168.1.2";
+            "switch.local.adtya.xyz" = "192.168.1.3";
+            "jellyfin.local.adtya.xyz" = "192.168.1.14";
+
+            # Labs (Homelab)
+            "gateway.labs.adtya.xyz" = "10.10.10.10";
+            "ap1.labs.adtya.xyz" = "10.10.10.10";
+            "ap2.labs.adtya.xyz" = "10.10.10.10";
+            "switch.labs.adtya.xyz" = "10.10.10.10";
+            "proxy.labs.adtya.xyz" = "10.10.10.1";
+            "skipper.labs.adtya.xyz" = "10.10.10.2";
+            "rico0.labs.adtya.xyz" = "10.10.10.10";
+            "rico1.labs.adtya.xyz" = "10.10.10.11";
+            "rico2.labs.adtya.xyz" = "10.10.10.12";
+            "wynne.labs.adtya.xyz" = "10.10.10.13";
+            "layne.labs.adtya.xyz" = "10.10.10.14";
+            "alertmanager.labs.adtya.xyz" = "10.10.10.10";
+            "blocky.labs.adtya.xyz" = "10.10.10.11";
+            "frp.labs.adtya.xyz" = "10.10.10.10";
+            "grafana.labs.adtya.xyz" = "10.10.10.10";
+            "loki.labs.adtya.xyz" = "10.10.10.11";
+            "prometheus.labs.adtya.xyz" = "10.10.10.10";
+            "transmission.labs.adtya.xyz" = "10.10.10.14";
+            "jellyfin.labs.adtya.xyz" = "10.10.10.14";
+            "radarr.labs.adtya.xyz" = "10.10.10.14";
+            "sonarr.labs.adtya.xyz" = "10.10.10.14";
+            "readarr.labs.adtya.xyz" = "10.10.10.14";
+            "jackett.labs.adtya.xyz" = "10.10.10.14";
+          };
+        };
+        conditional = {
+          fallbackUpstream = false;
+          mapping = {
+            "local.adtya.xyz" = "192.168.1.1";
+            "1.168.192.in-addr.arpa" = "192.168.1.1";
+          };
+        };
+        blocking = {
+          denylists = {
+            ads = [
+              "https://raw.githubusercontent.com/blocklistproject/Lists/master/ads.txt"
+            ];
+            pihole = [
+              "https://raw.githubusercontent.com/StevenBlack/hosts/master/hosts"
+            ];
+          };
+          allowlists = {
+            pihole = [
+              (pkgs.writeText "allowlist.txt" ''
+                s.youtube.com
+              '')
+            ];
+
+          };
+          clientGroupsBlock = {
+            default = [ "ads" "pihole" ];
+          };
+        };
+        clientLookup = {
+          upstream = "192.168.1.1";
+          singleNameOrder = [ 2 1 ];
+        };
+        prometheus = {
+          enable = true;
+          path = "/metrics";
+        };
+        ports = {
+          dns = "192.168.1.11:53,10.10.10.11:53";
+          tls = "192.168.1.11:853,10.10.10.11:853";
+          http = "127.0.0.1:8080";
+        };
+        log = {
+          level = "warn";
+          format = "json";
+          timestamp = true;
+          privacy = true;
+        };
+      };
+    };
+  };
+}
diff --git a/hosts/rico1/services/apps/default.nix b/hosts/rico1/services/apps/default.nix
index fcab3d5..b01f012 100644
--- a/hosts/rico1/services/apps/default.nix
+++ b/hosts/rico1/services/apps/default.nix
@@ -3,6 +3,7 @@ _: {
     ./adtya.xyz.nix
     ./proofs.nix
     ./wiki.nix
+    ./blocky.nix
     ../../../shared/prometheus-exporters.nix
     ../../../shared/promtail.nix
   ];