args

README.md

@@ -1,2 +1,9 @@
 # subbeat
 subbeat
+
+## Example
+
+```
+subbeat http://localhost:3000 eyJrIjoiWnRRMTNmcGpvTHNPb3UzNzdUNUphRm53Rk9tMTNzOTQiLCJuIjoic3ViYmVhdC10ZXN0IiwiaWQiOjF9 "/api/datasources/proxy/1/api/v1/query_range" "rate(go_memstats_alloc_bytes_total[5m])" 1634672070 1634672970
+
+```

src/grafana_service.rs

@@ -1,7 +1,6 @@
 use crate::{metric::MetricResult, types};
 
 use hyper::{Body, Client, Method, Request, StatusCode};
-use tokio::io::{stdout, AsyncWriteExt as _};
 
 use bytes::Buf as _;
 
@@ -34,12 +33,15 @@ impl GrafanaService {
         Ok(())
     }
 
-    pub async fn extract_metrics(&self, datasource_url: &str, query: &str, from: u64, to: u64, step: u64) -> types::Result<MetricResult> {
-        let pm = prometheus::Prometheus::new(
-            self,
-            datasource_url,
-            query
-        );
+    pub async fn extract_metrics(
+        &self,
+        datasource_url: &str,
+        query: &str,
+        from: u64,
+        to: u64,
+        step: u64,
+    ) -> types::Result<MetricResult> {
+        let pm = prometheus::Prometheus::new(self, datasource_url, query);
         // TODO: split big query to chunks
         let r = pm.query(from, to, step).await?;
         Ok(r)

src/grafana_service/prometheus.rs

@@ -23,15 +23,11 @@ struct Query {
     query: String,
     start: u64,
     end: u64,
-    step: u64
+    step: u64,
 }
 
 impl<'a> Prometheus<'a> {
-    pub fn new(
-        grafana_service: &'a GrafanaService,
-        url: &str,
-        query: &str,
-    ) -> Prometheus<'a> {
+    pub fn new(grafana_service: &'a GrafanaService, url: &str, query: &str) -> Prometheus<'a> {
         Prometheus {
             url: url.to_owned(),
             grafana_service,

src/main.rs

@@ -20,17 +20,53 @@ async fn main() -> types::Result<()> {
                 .required(true)
                 .index(2),
         )
+        .arg(
+            Arg::with_name("datasource_url")
+                .help("relative path to datasource")
+                .required(true)
+                .index(3),
+        )
+        .arg(
+            Arg::with_name("query")
+                .help("your query to datasource")
+                .required(true)
+                .index(4),
+        )
+        .arg(
+            Arg::with_name("from")
+                .help("timestamp")
+                .required(true)
+                .index(5),
+        )
+        .arg(
+            Arg::with_name("to")
+                .help("timestampt")
+                .required(true)
+                .index(6),
+        )
         .get_matches();
 
     let url = matches.value_of("GRAFANA_URL").unwrap();
     let key = matches.value_of("GRAFANA_API_KEY").unwrap();
+    let datasource_url = matches.value_of("datasource_url").unwrap();
+    let query = matches.value_of("query").unwrap();
+    let from = matches.value_of("from").unwrap().parse().unwrap();
+    let to = matches.value_of("to").unwrap().parse().unwrap();
+    
 
     let gs = grafana_service::GrafanaService::new(url.to_string(), key.to_string());
 
     // gs.test_connection().await?;
     // gs.get_datasources().await?;
     // "http://localhost:3000/d/YeBxHjzWz/starter-app-stats?editPanel=2&orgId=1"
-    let r = gs.extract_metrics("/api/datasources/proxy/1/api/v1/query_range", "rate(go_memstats_alloc_bytes_total[5m])", 1634672070, 1634672970, 15)
+    let r = gs
+        .extract_metrics(
+            datasource_url,
+            query,
+            from,
+            to,
+            15,
+        )
         .await?;
 
     let key = r.keys().nth(0).unwrap();