ctucx.git: nixfiles

machines/lollo/smarthome: add sdm2mqtt

diff --git a/flake.lock b/flake.lock
@@ -151,6 +151,22 @@
         "type": "github"
       }
     },
+    "flake-utils_3": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "ref": "master",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [

@@ -280,14 +296,40 @@
         "colmena": "colmena",
         "darwin": "darwin",
         "dns": "dns",
+        "flake-utils": "flake-utils_3",
         "home-manager": "home-manager",
         "local-secrets": "local-secrets",
         "nix-std": "nix-std",
         "nixpkgs": "nixpkgs",
         "nixpkgsUnstable": "nixpkgsUnstable",
+        "sdm2mqtt": "sdm2mqtt",
         "simple-nixos-mailserver": "simple-nixos-mailserver"
       }
     },
+    "sdm2mqtt": {
+      "inputs": {
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1670615041,
+        "narHash": "sha256-5dxclqXbpyxWffQECKRK435ChPCpY+KPw+Ym/Eq1CH8=",
+        "ref": "master",
+        "rev": "5c537271fea363e0a381fa8cbd55fafd1a756e6d",
+        "revCount": 1,
+        "type": "git",
+        "url": "https://git.ctu.cx/sdm2mqtt"
+      },
+      "original": {
+        "ref": "master",
+        "type": "git",
+        "url": "https://git.ctu.cx/sdm2mqtt"
+      }
+    },
     "simple-nixos-mailserver": {
       "inputs": {
         "blobs": "blobs",

diff --git a/flake.nix b/flake.nix
@@ -48,13 +48,6 @@
       ref   = "master";
     };
 
-    dns = {
-      type  = "git";
-      url   = "https://git.ctu.cx/dns-nix";
-      ref   = "master";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
-
     agenix = {
       type  = "github";
       owner = "ryantm";

@@ -71,6 +64,28 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
 
+    flake-utils = {
+      type  = "github";
+      owner = "numtide";
+      repo  = "flake-utils";
+      ref   = "master";
+    };
+
+    dns = {
+      type  = "git";
+      url   = "https://git.ctu.cx/dns-nix";
+      ref   = "master";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+
+    sdm2mqtt = {
+      type  = "git";
+      url   = "https://git.ctu.cx/sdm2mqtt";
+      ref   = "master";
+      inputs.nixpkgs.follows     = "nixpkgs";
+      inputs.flake-utils.follows = "flake-utils";
+    };
+
     local-secrets.url = "/tmp/nix-secrets";
   };
 

diff --git a/machines/lollo/smarthome/default.nix b/machines/lollo/smarthome/default.nix
@@ -7,6 +7,7 @@
     ./mbusd.nix
 
     ./zigbee2mqtt.nix
+    ./sdm2mqtt.nix
     ./influxdb2.nix
   ];
 

diff --git a/machines/lollo/smarthome/sdm2mqtt.nix b/machines/lollo/smarthome/sdm2mqtt.nix
@@ -0,0 +1,34 @@
+{ inputs, config, pkgs, ... }:
+
+let
+ sdm2mqttConfig = {
+    devices."leah" =  50;
+    modbus.host    = "10.0.0.1";
+    modbus.port    = 502;
+    mqtt.host      = "10.0.0.1";
+    mqtt.port      = 1883;
+    updateInterval = 10;
+  };
+
+  configFile = pkgs.writeText "sdm2mqtt-config.json" (builtins.toJSON sdm2mqttConfig);
+
+in {
+
+  systemd.services.sdm2mqtt = {
+    wantedBy  = [ "multi-user.target" ];
+    requires  = [ "network-online.target" "mbusd.service" "mosquitto.service" ];
+    after     = [ "network-online.target" "mbusd.service" "mosquitto.service" ];
+    onFailure = [ "email-notify@%i.service" ];
+
+    serviceConfig = {
+      ExecStart    = "${pkgs.sdm2mqtt}/bin/sdm2mqtt";
+      Restart      = "on-failure";
+      RestartSec   = "5";
+    };
+
+    environment = {
+      CONFIG_PATH = configFile;
+    };
+  };
+
+}

diff --git a/pkgs/default.nix b/pkgs/default.nix
@@ -11,6 +11,7 @@
 
       agenix                 = inputs.agenix.defaultPackage."${currentSystem}";
 
+      sdm2mqtt               = inputs.sdm2mqtt.packages."${currentSystem}".default;
       pleroma                = prev.pleroma.overrideAttrs (old: {
         patches = [
          ./0001-PATCH-Separate-webfinger-domain-from-host-domain.patch