[diplomate] We can get our public IP address!

docker/diplomate/Cargo.toml

@@ -7,3 +7,6 @@ edition = "2018"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+consul = "0.3.0"
+igd = { version = "0.10.0", features = ["aio"] }
+tokio = "0.2.11"

docker/diplomate/src/main.rs

@@ -1,3 +1,14 @@
-fn main() {
-    println!("Hello, world!");
+use igd::aio::search_gateway;
+#[tokio::main]
+async fn main() {
+    let gateway = match search_gateway(Default::default()).await {
+        Ok(g) => g,
+        Err(err) => return println!("Faild to find IGD: {}", err),
+    };
+
+    let pub_ip = match gateway.get_external_ip().await {
+        Ok(ip) => ip,
+        Err(err) => return println!("Failed to get external IP: {}", err),
+    };
+    println!("Our public IP is {}", pub_ip);
 }