Add connect timeout to internal client

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "safe-client-gateway"
-version = "1.8.1"
+version = "1.8.2"
 authors = ["jpalvarezl <jose.alvarez@gnosis.io>"]
 edition = "2018"
 

src/config/mod.rs

@@ -19,6 +19,13 @@ fn usize_with_default(key: &str, default: usize) -> usize {
     }
 }
 
+fn u64_with_default(key: &str, default: u64) -> u64 {
+    match env::var(key) {
+        Ok(value) => value.parse().unwrap(),
+        Err(_) => default,
+    }
+}
+
 pub fn info_cache_duration() -> usize {
     usize_with_default("INFO_CACHE_DURATION", 60 * 15)
 }
@@ -36,7 +43,11 @@ pub fn about_cache_duration() -> usize {
 }
 
 pub fn safe_app_manifest_cache() -> usize {
-    usize_with_default("SAFE_APP_MANIFEST_CACHE_DURATION", 60 * 60 * 24 * 7) // is a week good?
+    usize_with_default("SAFE_APP_MANIFEST_CACHE_DURATION", 60 * 60 * 24 * 7)
+}
+
+pub fn internal_client_connect_timeout() -> u64 {
+    u64_with_default("INTERNAL_CLIENT_CONNECT_TIMEOUT", 1000)
 }
 
 pub fn build_number() -> Option<String> {

src/main.rs

@@ -29,14 +29,20 @@ use dotenv::dotenv;
 use routes::active_routes;
 use utils::cache::ServiceCache;
 use utils::cors::CORS;
+use std::time::Duration;
 
 fn main() {
     dotenv().ok();
     env_logger::init();
 
+    let client = reqwest::blocking::Client::builder()
+        .connect_timeout(Duration::from_millis(config::internal_client_connect_timeout()))
+        .build()
+        .unwrap();
+
     rocket::ignite()
         .mount("/", active_routes())
-        .manage(reqwest::blocking::Client::new())
+        .manage(client)
         .attach(monitoring::performance::PerformanceMonitor())
         .attach(CORS())
         .attach(ServiceCache::fairing())