From 63bde1fd099a21554aba0024b9ac015b63786ed8 Mon Sep 17 00:00:00 2001
From: Aaron Bieber <aaron@bolddaemon.com>
Date: Wed, 9 Aug 2023 12:46:14 -0600
Subject: [PATCH] box,pwntie: setup rtlamr and rtlamr2mqtt (non-working)

---
 flake.nix                |  1 +
 hosts/box/default.nix    | 47 ++++++++++++++++++++++++++++++++++++----
 hosts/pwntie/default.nix |  2 ++
 pkgs/rtlamr.nix          | 27 +++++++++++++++++++++++
 4 files changed, 73 insertions(+), 4 deletions(-)
 create mode 100644 pkgs/rtlamr.nix

diff --git a/flake.nix b/flake.nix
index 9024e14..7350119 100644
--- a/flake.nix
+++ b/flake.nix
@@ -267,6 +267,7 @@
         spkgs.callPackage ./pkgs/ada_language_server.nix {inherit spkgs;};
       alire = spkgs.callPackage ./pkgs/alire.nix {inherit spkgs;};
       bearclaw = spkgs.callPackage ./pkgs/bearclaw.nix {inherit spkgs;};
+      rtlamr = spkgs.callPackage ./pkgs/rtlamr.nix {inherit spkgs;};
       clilol = spkgs.callPackage ./pkgs/clilol.nix {inherit spkgs;};
       gqrss = spkgs.callPackage ./pkgs/gqrss.nix {
         inherit spkgs;
diff --git a/hosts/box/default.nix b/hosts/box/default.nix
index 150bac5..1e755fc 100644
--- a/hosts/box/default.nix
+++ b/hosts/box/default.nix
@@ -44,6 +44,12 @@
     owner = config.users.users.nginx.name;
     mode = "400";
   };
+  rtlamr2mqtt = pkgs.fetchFromGitHub {
+    owner = "allangood";
+    repo = "rtlamr2mqtt";
+    rev = "b2b05b9c16c396790913fd6f2ff11d5afdef4de8";
+    hash = "sha256-bm348peVASsApjH+tUyFeF/gXltUNhssT7o+z20qnCc=";
+  };
 in {
   _module.args.isUnstable = false;
   imports = [
@@ -51,6 +57,11 @@ in {
     #"${inputs.unstable}/nixos/modules/services/home-automation/home-assistant.nix"
   ];
 
+  systemd.tmpfiles.rules = [
+    "C /var/lib/hass/custom_components/rtlamr2mqtt - - - - ${rtlamr2mqtt}"
+    "Z /var/lib/hass/custom_components 770 hass hass - -"
+  ];
+
   sops.secrets = {
     #nextcloud_db_pass = {
     #  owner = config.users.users.nextcloud.name;
@@ -136,6 +147,7 @@ in {
           config.services.gitea.settings.server.SSH_PORT
           21063 #homekit
           21064 #homekit
+          1883 # mosquitto
         ];
       allowedUDPPorts = [
         5353 #homekit
@@ -233,6 +245,17 @@ in {
   hardware.rtl-sdr.enable = true;
 
   services = {
+    mosquitto = {
+      enable = true;
+      listeners = [
+        {
+          acl = ["pattern readwrite #"];
+          omitPasswordAuth = true;
+          settings.allow_anonymous = true;
+        }
+      ];
+    };
+
     avahi = {
       enable = true;
       openFirewall = true;
@@ -253,22 +276,38 @@ in {
         "aprs"
         "brother"
         "esphome"
-        "rest"
         "ffmpeg"
         "homekit"
         "homekit_controller"
         "icloud"
         "jellyfin"
+        "logger"
         "met"
-        "prometheus"
+        "mqtt"
         "nextdns"
+        "prometheus"
         "pushover"
+        "rest"
         "snmp"
         "zeroconf"
-
-        "logger"
       ];
       config = {
+        mqtt.sensor = [
+        #  {
+        #    name = "Gas Meter";
+        #    unique_id = "gas_meter";
+        #    state_topic = "readings/48582066/meter_reading";
+        #    icon = "mdi:gas-burner";
+        #    unit_of_measurement = "cu ft";
+        #  }
+        #  {
+        #    name = "Electric Meter";
+        #    unique_id = "electric_meter";
+        #    state_topic = "readings/20015637/meter_reading";
+        #    icon = "mdi:meter-electric-outline";
+        #    unit_of_measurement = "kWh";
+        #  }
+        ];
         logger = {
           default = "warning";
           logs = {
diff --git a/hosts/pwntie/default.nix b/hosts/pwntie/default.nix
index 784cf3a..5fc6493 100644
--- a/hosts/pwntie/default.nix
+++ b/hosts/pwntie/default.nix
@@ -45,6 +45,8 @@ in {
   #nixpkgs.config.allowUnfree = true;
   environment.systemPackages = with pkgs; [
     rtl-sdr
+    direwolf
+    (callPackage ../../pkgs/rtlamr.nix {})
   ];
 
   #programs = {
diff --git a/pkgs/rtlamr.nix b/pkgs/rtlamr.nix
new file mode 100644
index 0000000..8886fb8
--- /dev/null
+++ b/pkgs/rtlamr.nix
@@ -0,0 +1,27 @@
+{
+  lib,
+  buildGoModule,
+  fetchFromGitHub,
+  ...
+}:
+with lib;
+  buildGoModule rec {
+    pname = "rtlamr";
+    version = "0.9.3";
+
+    src = fetchFromGitHub {
+      owner = "bemasher";
+      repo = pname;
+      rev = "v${version}";
+      hash = "sha256-0LufLU/wTmCRqTnQBNJg5UnDv0u1Thec5FSWATWqZsQ=";
+    };
+
+    vendorHash = "sha256-uT6zfsWgIot0EMNqwtwJNFXN/WaAyOGfcYJjuyOXT4g=";
+
+    meta = {
+      description = "rtl-sdr receiver for Itron ETR meters";
+      homepage = "https://github.com/bemasher/rtlamr";
+      license = licenses.agpl3;
+      maintainers = with maintainers; [qbit];
+    };
+  }