Configurable Update Interval. Closes #29

src/main.rs

@@ -1,6 +1,6 @@
 /*use cloudflare_old::{Instance, CloudflareDnsType};*/
 use reqwest::blocking::get;
-use std::{thread::{sleep}};
+use std::{env, thread::{sleep}};
 use std::error::Error;
 use std::net::{Ipv4Addr, Ipv6Addr};
 use std::str::FromStr;
@@ -248,9 +248,28 @@ fn main() {
         Err(e) => panic!("{}", e)
     };
 
+    let reload_interval = match env::var("RELOAD_INTERVAL_SECONDS") {
+        Ok(interval_string) => i64::from_str(&interval_string).unwrap_or_else(|e| {
+            let warn_msg = format!("Expected integer number, got '{interval_string}'. Defaulting to 60");
+            match connected_to_journal() {
+                true => warn!("[WARN] {warn_msg}"),
+                false => println!("[WARN] {warn_msg}"),
+            };
+            60
+        }),
+        Err(_) => {
+            let warn_msg = "Reload interval env not set, defaulting to 60";
+            match connected_to_journal() {
+                true => warn!("[WARN] {warn_msg}"),
+                false => println!("[WARN] {warn_msg}"),
+            }
+            60
+        },
+    };
+
     loop {
         now = Utc::now();
-        if now >= start + Duration::seconds(10) { // DEBUG was 60
+        if now >= start + Duration::seconds(reload_interval) { // DEBUG was 60
             start = now;
 
             match InterfaceConfig::load() {