Add env based config for LDAP addr

src/main.rs

@@ -7,6 +7,7 @@ extern crate tokio;
 #[macro_use]
 extern crate serde_derive;
 
+use std::env;
 use std::str::{
     FromStr,
     from_utf8,
@@ -32,6 +33,7 @@ pub enum AuthError {
     Parse,
     Decode,
     LdapBind,
+    LdapConfig,
     LdapConnection,
     LdapSearch,
 }
@@ -63,7 +65,11 @@ struct LdapUser {
 }
 
 fn auth_user(auth: &BasicAuthentication) -> Result<LdapUser, AuthError> {
-    let ldap = match LdapConn::new("ldap://192.168.122.61:389") {
+    let ldap_server_addr = match env::var("LDAP_SERVER_ADDR") {
+        Ok(addr) => addr,
+        _ => return Err(AuthError::LdapConfig),
+    };
+    let ldap = match LdapConn::new(&ldap_server_addr) {
         Ok(conn) => conn,
         Err(_err) => return Err(AuthError::LdapConnection),
     };
@@ -187,7 +193,11 @@ fn router_service() -> Result<RouterService, std::io::Error> {
 }
 
 fn main() {
-    let addr = "0.0.0.0:3000".parse().expect("Bad Address");
+    let addr_str = match env::var("LISTEN_ADDR") {
+        Ok(addr) => addr,
+        _ => "0.0.0.0:3000".to_string(),
+    };
+    let addr = addr_str.parse().expect("Bad Address");
     let server = Server::bind(&addr)
         .serve(router_service)
         .map_err(|e| eprintln!("server error: {}", e));