From b30952a049f9b809cfc764260bbf00d87806afa1 Mon Sep 17 00:00:00 2001
From: c6ristian <c6ristian@christian.moe>
Date: Mon, 10 Jun 2024 15:38:48 +0200
Subject: [PATCH] Add mqtt server (mosquitto)

The config was based on the exsisting mosquitto setup.
---
 config/hosts/mqtt/configuration.nix | 10 +++++++++
 config/hosts/mqtt/default.nix       |  9 ++++++++
 config/hosts/mqtt/mosquitto.nix     | 33 +++++++++++++++++++++++++++++
 config/hosts/mqtt/networking.nix    | 20 +++++++++++++++++
 flake.nix                           |  9 ++++++++
 5 files changed, 81 insertions(+)
 create mode 100644 config/hosts/mqtt/configuration.nix
 create mode 100644 config/hosts/mqtt/default.nix
 create mode 100644 config/hosts/mqtt/mosquitto.nix
 create mode 100644 config/hosts/mqtt/networking.nix

diff --git a/config/hosts/mqtt/configuration.nix b/config/hosts/mqtt/configuration.nix
new file mode 100644
index 0000000..18d0184
--- /dev/null
+++ b/config/hosts/mqtt/configuration.nix
@@ -0,0 +1,10 @@
+{ ... }:
+
+{
+	networking = {
+        hostName = "mqtt";
+        domain = "z9.ccchh.net";
+	};
+
+	system.stateVersion = "23.11";
+}
\ No newline at end of file
diff --git a/config/hosts/mqtt/default.nix b/config/hosts/mqtt/default.nix
new file mode 100644
index 0000000..bb61c12
--- /dev/null
+++ b/config/hosts/mqtt/default.nix
@@ -0,0 +1,9 @@
+{ pkgs, ... }:
+
+{
+	imports = [
+		./configuration.nix
+		./networking.nix
+		./mosquitto.nix
+	];
+}
\ No newline at end of file
diff --git a/config/hosts/mqtt/mosquitto.nix b/config/hosts/mqtt/mosquitto.nix
new file mode 100644
index 0000000..672c05d
--- /dev/null
+++ b/config/hosts/mqtt/mosquitto.nix
@@ -0,0 +1,33 @@
+# Sources for this configuration:
+# - https://search.nixos.org/options?sort=relevance&type=packages&query=services.mosquitto
+# - https://mosquitto.org/man/mosquitto-conf-5.html
+# - https://winkekatze24.de
+{ ... }:
+
+{
+    services.mosquitto = {
+        enable = true;
+        persistence = true;
+
+        # set config for all listeners
+        listeners = [ {
+            settings.allow_anonymous = true;
+            omitPasswordAuth = true;
+            acl = ["topic readwrite #"];
+        } ];
+
+        bridges.winkekatz = {
+            addresses = [
+                { address = "mqtt.winkekatze24.de"; }
+            ];
+            topics = [
+                "winkekatze/allcats/eye/set in 2"
+                "winkekatze/allcats in 2"
+                "+/status out 2 winkekatze/ \"\""
+                "+/connected out 2 winkekatze/ \"\""
+            ];
+        };
+    };
+
+    networking.firewall.allowedTCPPorts = [ 1883 ];
+}
\ No newline at end of file
diff --git a/config/hosts/mqtt/networking.nix b/config/hosts/mqtt/networking.nix
new file mode 100644
index 0000000..5bd6616
--- /dev/null
+++ b/config/hosts/mqtt/networking.nix
@@ -0,0 +1,20 @@
+{ ... }:
+
+{
+    networking = {
+        interfaces.net0 = {
+            ipv4.addresses = [ {
+                address = "10.31.208.14";
+                prefixLength = 23;
+            } ];
+        };
+        defaultGateway = "10.31.208.1";
+        nameservers = [
+            "10.31.210.1"
+        ];
+    };
+    systemd.network.links."10-net0" = {
+        matchConfig.MACAddress = "BC:24:11:48:85:73";
+        linkConfig.Name = "net0";
+    };
+}
\ No newline at end of file
diff --git a/flake.nix b/flake.nix
index 8a8ebf7..22bcdd7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -195,6 +195,15 @@
             ./config/hosts/yate
           ];
         };
+
+        mqtt = nixpkgs.lib.nixosSystem {
+          inherit system;
+          modules = [
+            ./config/common
+            ./config/proxmox-vm
+            ./config/hosts/mqtt
+          ];
+        };
       };
 
       packages.x86_64-linux = {