fixed comments left by pan in #40

fly.toml

@@ -26,6 +26,6 @@ kill_timeout = 5
     soft_limit = 1024
     type = "connections"
 
-# [metrics]
-#   path = "/metrics"
-#   port = 9091
+ [metrics]
+   path = "/metrics"
+   port = 9091

prometheus.yml

@@ -1,13 +0,0 @@
-global:
-  scrape_interval:     15s # By default, scrape targets every 15 seconds.
-
-scrape_configs:
-  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
-  - job_name: 'prometheus'
-    scrape_interval: 5s
-    static_configs:
-      - targets: ['localhost:9090']
-
-  - job_name: 'lite-rpc'
-    static_configs:
-      - targets: ['localhost:9500']

src/workers/prometheus.rs

@@ -28,7 +28,7 @@ impl PrometheusSync {
 
     async fn handle_stream(&self, stream: &mut TcpStream) -> anyhow::Result<()> {
         let metrics = self.metrics_capture.get_metrics().await;
-        let metrics = serde_prometheus::to_string(&metrics, None, HashMap::new())?;
+        let metrics = serde_prometheus::to_string(&metrics, Some("literpc"), HashMap::new())?;
 
         let response = Self::create_response(&metrics);
 
@@ -43,7 +43,7 @@ impl PrometheusSync {
     pub fn sync(self) -> JoinHandle<anyhow::Result<()>> {
         #[allow(unreachable_code)]
         tokio::spawn(async move {
-            let listener = TcpListener::bind("[::]:9500").await?;
+            let listener = TcpListener::bind("[::]:9091").await?;
 
             loop {
                 let Ok((mut stream, _addr)) =  listener.accept().await else {