improve agent + config

agent/src/collector.rs

@@ -1,4 +1,4 @@
-use common::metrics::{CPU, Disk, Memory, Metrics, Network, SystemInfo};
+use common::metrics::{Disk, Memory, Metrics, Network, SystemInfo, CPU};
 use sysinfo::{Disks, Networks, System};
 
 pub struct Collector {
@@ -19,8 +19,7 @@ impl Collector {
     pub fn collect_all(&mut self) -> Metrics {
         let system_info = self.collect_sysinfo();
 
-        self.sys.refresh_cpu_usage();
-        self.sys.refresh_memory();
+        self.sys.refresh_all();
         self.networks.refresh(true);
 
         let cpu = self.collect_cpu();
@@ -28,27 +27,23 @@ impl Collector {
         let memory = self.collect_memory();
         let network = self.collect_network();
 
-        let metrics = Metrics {
+        Metrics {
             system_info,
             cpu,
             disk,
             memory,
             network,
-        };
-
-        metrics
+        }
     }
 
     fn collect_sysinfo(&self) -> SystemInfo {
-        let system_info = SystemInfo {
+        SystemInfo {
             uptime: System::uptime(),
             host: System::host_name(),
             name: System::name(),
             kernel: System::kernel_version(),
             os_version: System::os_version(),
-        };
-
-        system_info
+        }
     }
 
     fn collect_cpu(&self) -> CPU {
@@ -65,31 +60,21 @@ impl Collector {
     }
 
     fn collect_disk(&self) -> Disk {
-        let disk = self
-            .disks
-            .iter()
-            .max_by_key(|disk| disk.total_space())
-            .unwrap();
-
-        let total = disk.total_space();
-        let free = disk.available_space();
+        let disk = self.disks.iter().max_by_key(|disk| disk.total_space()).unwrap();
 
         Disk {
-            used: total - free,
-            free,
-            total
+            free: disk.available_space(),
+            total: disk.total_space(),
         }
     }
 
     fn collect_memory(&self) -> Memory {
-        let memory_metrics = Memory {
+        Memory {
             used: self.sys.used_memory(),
             total: self.sys.total_memory(),
             swap_used: self.sys.used_swap(),
             swap_total: self.sys.total_swap(),
-        };
-
-        memory_metrics
+        }
     }
 
     fn collect_network(&self) -> Network {

agent/src/main.rs

@@ -1,19 +1,23 @@
+use config::{load_config, Config};
+use mqtt::MqttHandle;
 use collector::Collector;
+use std::time::Duration;
 use std::thread;
-use std::time;
 
 pub mod collector;
 
-const REFRESH_INTERVAL: u64 = 3000;
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    let cfg = load_config()?;
+    let cfg: &'static mut Config = Box::leak(Box::new(cfg));
 
-fn main() {
+    let client = MqttHandle::create(&mut cfg.mqtt).await;
     let mut collector = Collector::new();
 
     loop {
         let metrics = collector.collect_all();
+        client.send_metrics(metrics).await?;
 
-        println!("Metrics: {:?}", metrics);
-
-        thread::sleep(time::Duration::from_millis(REFRESH_INTERVAL));
+        thread::sleep(Duration::from_secs(cfg.send_interval_seconds));
     }
 }