subbeat
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use crate::types;
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use hyper::{Body, Client, Method, Request, StatusCode};
use tokio::io::{stdout, AsyncWriteExt as _};
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use bytes::Buf as _;
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mod prometheus;
use serde_json;
use crate::metric::Metric;
pub struct GrafanaService {
url: String,
api_key: String,
}
impl GrafanaService {
pub fn new(url: String, api_key: String) -> GrafanaService {
GrafanaService { api_key, url }
}
pub async fn test_connection(&self) -> types::Result<()> {
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println!("Test connection response");
let (s, p) = self.get("/api").await?;
println!("{}", p.to_string());
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Ok(())
}
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pub async fn get_datasources(&self) -> types::Result<()> {
let (s, p) = self.get("/api/datasources").await?;
println!("{}", p);
Ok(())
}
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pub async fn extract_metrics(&self, panel_url: &str) -> types::Result<()> {
let pm = prometheus::Prometheus::new(self, "rate(go_memstats_alloc_bytes_total[5m])", 15);
let r = pm.query(1634672070, 1634672970).await;
// println!("{}", p.to_string());
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Ok(())
}
async fn get(&self, suburl: &str) -> types::Result<(StatusCode, serde_json::Value)> {
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let req = Request::builder()
.method(Method::GET)
.uri(self.url.to_owned() + suburl)
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.header("Accept", "application/json")
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.header("Authorization", format!("Bearer {}", self.api_key))
.body(Body::empty())
.unwrap();
let client = Client::new();
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let res = client.request(req).await?;
let status = res.status();
let body = hyper::body::aggregate(res).await?;
let reader = body.reader();
let result: serde_json::Value = serde_json::from_reader(reader)?;
Ok((status, result))
}
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async fn post_form(
&self,
suburl: &str,
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value: &str,
) -> types::Result<(StatusCode, serde_json::Value)> {
let req = Request::builder()
.method(Method::POST)
.uri(self.url.to_owned() + suburl)
.header("Accept", "application/json")
.header("Content-Type", "application/x-www-form-urlencoded")
.header("Authorization", format!("Bearer {}", self.api_key))
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.body(Body::from(value.to_string()))
.unwrap();
let client = Client::new();
let res = client.request(req).await?;
let status = res.status();
let body = hyper::body::aggregate(res).await?;
let reader = body.reader();
let result: serde_json::Value = serde_json::from_reader(reader)?;
Ok((status, result))
}
async fn post_json(
&self,
suburl: &str,
value: serde_json::Value,
) -> types::Result<(StatusCode, serde_json::Value)> {
let req = Request::builder()
.method(Method::POST)
.uri(self.url.to_owned() + suburl)
.header("Accept", "application/json")
.header("Content-Type", "application/json")
.header("Authorization", format!("Bearer {}", self.api_key))
.body(Body::from(value.to_string()))
.unwrap();
let client = Client::new();
let res = client.request(req).await?;
let status = res.status();
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let body = hyper::body::aggregate(res).await?;
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let reader = body.reader();
let result: serde_json::Value = serde_json::from_reader(reader)?;
Ok((status, result))
}
}