removing all related code to nohup/daemonize

.gitignore

@@ -4,4 +4,3 @@ Cargo.lock
 **/*.rs.bk
 *.pdb
 /target
-output.log

Cargo.toml

@@ -7,5 +7,4 @@ edition = "2021"
 tokio = { version = "1.35.1", features = ["full"]}
 kagiyama = "0.3.0"
 anyhow = "1.0.79"
-daemonize = "0.5.0"
 mtemp = "0.1.21"

manage.sh

@@ -1,38 +0,0 @@
-#!/bin/bash
-
-start_monitor() {
-  nohup cargo run --release > output.log 2>&1 &
-  sleep 1
-  echo "Monitor started"
-}
-
-stop_monitor() {
-  if [ -f /tmp/mtemp-monitor.pid ]; then
-    pid=$(cat /tmp/mtemp-monitor.pid)
-    echo "Stopping monitor with PID $pid"
-    kill $pid
-    rm /tmp/mtemp-monitor.pid
-    echo "Monitor stopped"
-  else
-    echo "Monitor is not running (PID file not found)"
-  fi
-}
-
-case "$1" in
-  start)
-    start_monitor
-    ;;
-  stop)
-    stop_monitor
-    ;;
-  restart)
-    stop_monitor
-    sleep 1
-    start_monitor
-    ;;
-  *)
-    echo "Usage: $0 {start|stop|restart}"
-    exit 1
-    ;;
-esac
-

src/main.rs

@@ -1,34 +1,16 @@
-use anyhow::{anyhow, Context, Result};
-use daemonize::Daemonize;
+use anyhow::Result;
 use kagiyama::prometheus::metrics::gauge::Gauge;
 use kagiyama::{AlwaysReady, Watcher};
 use mtemp::Mtemp;
 use std::env;
-use std::fs::File;
 use std::sync::atomic::AtomicU64;
+use tokio::signal::ctrl_c;
+use tokio::spawn;
 use tokio::time::sleep;
 use tokio::time::Duration;
 
-fn main() -> Result<()> {
-    let name = "mtemp-monitor";
-    let stdout = File::create(format!("/tmp/{}.log", name)).context("Error creating log file")?;
-    let daemonize = Daemonize::new()
-        .pid_file(format!("/tmp/{}.pid", name))
-        .stdout(stdout)
-        .chown_pid_file(true)
-        .working_directory("/");
-
-    match daemonize.start() {
-        Ok(_) => {
-            println!("daemon started");
-            tokio_main()
-        }
-        Err(err) => Err(anyhow!("{:?}", err)),
-    }
-}
-
 #[tokio::main]
-async fn tokio_main() -> Result<()> {
+async fn main() -> Result<()> {
     let interval_secs: u64 = env::var("MTEMP_INTERVAL")
         .unwrap_or_else(|_| "1".to_string())
         .parse()?;
@@ -38,6 +20,8 @@ async fn tokio_main() -> Result<()> {
     let mut watcher = Watcher::<AlwaysReady>::default();
     watcher.start_server(addr.parse()?).await;
 
+    {
+        spawn(async move {
             let interval = Duration::from_secs(interval_secs);
 
             let cpu_gauge = Gauge::<f64, AtomicU64>::default();
@@ -70,9 +54,6 @@ async fn tokio_main() -> Result<()> {
                 );
             }
 
-    println!("interval set every {} seconds", interval_secs);
-    println!("listening on {}", addr);
-
             loop {
                 sleep(interval).await;
                 if let Some(cpu) = Mtemp::cpu() {
@@ -85,4 +66,12 @@ async fn tokio_main() -> Result<()> {
                     disk_gauge.set(disk);
                 }
             }
+        });
+    }
+
+    println!("interval set every {} seconds", interval_secs);
+    println!("listening on {}", addr);
+    ctrl_c().await?;
+
+    Ok(())
 }