WIP consul integration

Cargo.lock

@@ -31,9 +31,9 @@ checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
 
 [[package]]
 name = "backtrace"
-version = "0.3.43"
+version = "0.3.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f80256bc78f67e7df7e36d77366f636ed976895d91fe2ab9efa3973e8fe8c4f"
+checksum = "e4036b9bf40f3cf16aba72a3d65e8a520fc4bafcdc7079aea8f848c58c5b5536"
 dependencies = [
  "backtrace-sys",
  "cfg-if",

diplonat_debug

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+export DIPLONAT_PRIVATE_IP=10.3.3.37
+export DIPLONAT_REFRESH_TIME=60
+export DIPLONAT_EXPIRATION_TIME=180
+export DIPLONAT_CONSUL_NODE_NAME=rincevent
+
+./target/debug/diplonat

src/main.rs

@@ -4,8 +4,12 @@ use std::net::SocketAddrV4;
 use igd::aio::search_gateway;
 use igd::PortMappingProtocol;
 
+use consul::catalog::Catalog;
+use consul::{Client, Config};
+
 struct DiplonatConfig {
    private_ip: String,
+   consul_node_name: String,
    refresh_time: u32,
    expiration_time: u32
 }
@@ -28,12 +32,19 @@ fn fetch_configuration() -> Result<DiplonatConfig, String> {
       Ok(val) => val.parse().unwrap(),
       Err(e) => return Err(format!("unable to fetch environment variable {}: {}", env_expiration_time,e))
   };
+  
+  let env_consul_node_name = "DIPLONAT_CONSUL_NODE_NAME";
+  let consul_node_name = match env::var(env_consul_node_name) {
+      Ok(val) => val,
+      Err(e) => return Err(format!("unable to fetch environment variable {}: {}", env_consul_node_name,e))
+  };
 
   if refresh_time * 2 > expiration_time {
     return Err(format!("Expiration time (currently: {}s) must be twice bigger than refresh time (currently: {}s)", expiration_time, refresh_time))
   }
 
-  let config = DiplonatConfig { private_ip: private_ip, refresh_time: refresh_time, expiration_time: expiration_time };
+  let config = DiplonatConfig { private_ip: private_ip, refresh_time: refresh_time, expiration_time: expiration_time, consul_node_name: consul_node_name };
+  println!("\tConsul node name: {}", config.consul_node_name);
   println!("\tPrivate IP address: {}", config.private_ip);
   println!("\tRefresh time: {} seconds", config.refresh_time);
   println!("\tExpiration time: {} seconds", config.expiration_time);
@@ -47,6 +58,13 @@ async fn main() {
         Err(e) => return println!("unable to build configuration: {}", e),
     };
 
+    let consul_config = Config::new().unwrap();
+    let consul_client = Client::new(consul_config);
+
+    match consul_client.nodes(None) {
+      Ok(v) => println!("ok: {:?}", v),
+      Err(err) => println!("err: {}", err),
+    };
 
     let gateway = match search_gateway(Default::default()).await {
         Ok(g) => g,