1 files changed, 52 insertions, 0 deletions
diff --git a/modules/retired/pihole/default.nix b/modules/retired/pihole/default.nix
new file mode 100644
index 0000000..034c91b
--- /dev/null
+++ b/modules/retired/pihole/default.nix
@@ -0,0 +1,52 @@
+{ inputs, config, lib, ... }:
+let
+  # TODO: Think about changing this to config.networking.interface...
+  # Will have to pull the first value in the list, which might be messy but it
+  # will definitely make it more producible across machines.
+  ip = "10.0.0.203";
+  interface = "eno1";
+  directory = "/opt/pihole";
+in
+{
+  systemd.tmpfiles.rules =
+    map (x: "d ${x} 0755 share share - -") (lib.lists.singleton directory);
+
+  virtualisation.oci-containers.containers.pihole = {
+    image = "pihole/pihole:latest";
+    autoStart = true;
+    ports = [
+      "53:53/udp"
+      "53:53/tcp"
+      "80:80/tcp"
+    ];
+    volumes = [
+      "${directory}/etc:/etc/pihole"
+      "${directory}/etc-dnsmasq.d:/etc/dnsmasq.d"
+    ];
+    environment = {
+      TZ = "America/Detroit";
+      FTLCONF_LOCAL_IPV4 = ip;
+      INTERFACE = interface;
+    };
+    extraOptions = [ "--network=host" ];
+  };
+
+  age.secrets.piholeAdminPass = {
+    file = "${inputs.self}/secrets/piholeAdminPass.age";
+    mode = "770";
+    owner = "share";
+    group = "share";
+  };
+
+  systemd.services.podman-pihole.postStart =
+    let
+      password = config.age.secrets.piholeAdminPass.path;
+    in ''
+      podman exec -it pihole pihole -a -p "$(tr -d '\n' < ${password})"
+    '';
+
+  networking.firewall = {
+    allowedTCPPorts = [ 53 80 ];
+    allowedUDPPorts = [ 53 ];
+  };
+}