Added lua function to get the current hostname

This makes it possible to set options depending on what machine we are
running

Cargo.lock

@@ -85,6 +85,7 @@ dependencies = [
  "eui48",
  "futures",
  "google-home",
+ "hostname",
  "impl_cast",
  "indexmap 2.0.0",
  "mlua",
@@ -689,6 +690,17 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "hostname"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9c7c7c8ac16c798734b8a24560c1362120597c40d5e1459f09498f8f6c8f2ba"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "windows 0.52.0",
+]
+
 [[package]]
 name = "http"
 version = "0.2.9"
@@ -790,7 +802,7 @@ dependencies = [
  "iana-time-zone-haiku",
  "js-sys",
  "wasm-bindgen",
- "windows",
+ "windows 0.48.0",
 ]
 
 [[package]]
@@ -2304,6 +2316,25 @@ dependencies = [
  "windows-targets 0.48.1",
 ]
 
+[[package]]
+name = "windows"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e48a53791691ab099e5e2ad123536d0fff50652600abaf43bbf952894110d0be"
+dependencies = [
+ "windows-core",
+ "windows-targets 0.52.5",
+]
+
+[[package]]
+name = "windows-core"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
+dependencies = [
+ "windows-targets 0.52.5",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"

Cargo.toml

@@ -17,8 +17,8 @@ paste = "1.0.10"
 tokio = { version = "1", features = ["rt-multi-thread"] }
 dotenvy = "0.15.0"
 reqwest = { version = "0.11.13", features = [
-	"json",
-	"rustls-tls",
+  "json",
+  "rustls-tls",
 ], default-features = false } # Use rustls, since the other packages also use rustls
 axum = "0.6.1"
 serde_repr = "0.1.10"
@@ -29,8 +29,8 @@ regex = "1.7.0"
 async-trait = "0.1.61"
 futures = "0.3.25"
 eui48 = { version = "1.1.0", default-features = false, features = [
-	"disp_hexstring",
-	"serde",
+  "disp_hexstring",
+  "serde",
 ] }
 thiserror = "1.0.38"
 anyhow = "1.0.68"
@@ -42,8 +42,16 @@ enum_dispatch = "0.3.12"
 indexmap = { version = "2.0.0", features = ["serde"] }
 serde_yaml = "0.9.27"
 tokio-cron-scheduler = "0.9.4"
-mlua = { version = "0.9.7", features = ["lua54", "vendored", "macros", "serialize", "async", "send"] }
+mlua = { version = "0.9.7", features = [
+  "lua54",
+  "vendored",
+  "macros",
+  "serialize",
+  "async",
+  "send",
+] }
 once_cell = "1.19.0"
+hostname = "0.4.0"
 
 [patch.crates-io]
 wakey = { git = "https://git.huizinga.dev/Dreaded_X/wakey" }

config.lua

@@ -1,8 +1,7 @@
 print("Hello from lua")
 
-automation.fulfillment = {
-	openid_url = "https://login.huizinga.dev/api/oidc",
-}
+local host = automation.util.get_hostname()
+print("Running @" .. host)
 
 local debug, value = pcall(automation.util.get_env, "DEBUG")
 if debug and value ~= "true" then
@@ -17,13 +16,19 @@ local function mqtt_automation(topic)
 	return "automation/" .. topic
 end
 
+automation.fulfillment = {
+	openid_url = "https://login.huizinga.dev/api/oidc",
+}
+
 local mqtt_client = automation.new_mqtt_client({
-	host = debug and "olympus.lan.huizinga.dev" or "mosquitto",
+	host = (host == "zeus" and "olympus.lan.huizinga.dev")
+		or (host == "hephaestus" and "olympus.vpn.huizinga.dev")
+		or "mosquitto",
 	port = 8883,
-	client_name = debug and "automation-debug" or "automation_rs",
+	client_name = "automation-" .. host,
 	username = "mqtt",
 	password = automation.util.get_env("MQTT_PASSWORD"),
-	tls = debug and true or false,
+	tls = host == "zeus" or host == "hephaestus",
 })
 
 automation.device_manager:add(Ntfy.new({

src/main.rs

@@ -84,6 +84,12 @@ async fn app() -> anyhow::Result<()> {
             std::env::var(name).map_err(mlua::ExternalError::into_lua_err)
         })?;
         util.set("get_env", get_env)?;
+        let get_hostname = lua.create_function(|_lua, ()| {
+            hostname::get()
+                .map(|name| name.to_str().unwrap_or("unknown").to_owned())
+                .map_err(mlua::ExternalError::into_lua_err)
+        })?;
+        util.set("get_hostname", get_hostname)?;
         automation.set("util", util)?;
 
         lua.globals().set("automation", automation)?;