Axum api server with json and "conf" file support.

This commit is contained in:
Ara Sadoyan
2025-02-20 18:44:12 +01:00
parent 3b37582f59
commit 1338d04963
6 changed files with 235 additions and 44 deletions

View File

@@ -1,5 +1,3 @@
// use crate::utils::compare;
// use crate::utils::discovery;
use crate::utils::discovery::{APIUpstreamProvider, Discovery, FromFileProvider};
use crate::utils::*;
use async_trait::async_trait;
@@ -21,26 +19,19 @@ pub struct LB {
pub upstreams: Arc<RwLock<DashMap<String, (Vec<(String, u16)>, AtomicUsize)>>>,
pub umap_full: Arc<RwLock<DashMap<String, (Vec<(String, u16)>, AtomicUsize)>>>,
}
// pub struct BGService {
// pub upstreams: Arc<RwLock<DashMap<String, (Vec<(String, u16)>, AtomicUsize)>>>,
// pub umap_full: Arc<RwLock<DashMap<String, (Vec<(String, u16)>, AtomicUsize)>>>,
// }
#[async_trait]
impl BackgroundService for LB {
async fn start(&self, mut shutdown: ShutdownWatch) {
tokio::spawn(healthcheck::hc(self.upstreams.clone(), self.umap_full.clone()));
println!("Starting example background service");
// let (tra, mut rec) = broadcast::channel::<DashMap<String, (Vec<(String, u16)>, AtomicUsize)>>(16);
let (tx, mut rx) = mpsc::channel::<DashMap<String, (Vec<(String, u16)>, AtomicUsize)>>(0);
let file_load = FromFileProvider {
path: "etc/upstreams.conf".to_string(),
};
let api_load = APIUpstreamProvider {
api_url: "myip.netangels.net".to_string(),
};
let api_load = APIUpstreamProvider;
let tx_file = tx.clone();
let tx_api = tx.clone();
@@ -52,23 +43,19 @@ impl BackgroundService for LB {
_ = shutdown.changed() => {
break;
}
// _ = period.tick() => {
val = rx.next() => {
match val {
Some(newmap) => {
println!("{:?}", newmap);
let umap_work = self.upstreams.write().await;
let umap_full = self.umap_full.write().await;
if !compare::dashmaps(&umap_full, &newmap) {
println!("DashMaps are different. Syncing !!!!!");
umap_work.clear();
umap_full.clear();
for (k,v) in newmap {
println!("Host: {}", k);
for vv in v.0.clone() {
println!(" Upstreams: {:?}", vv);
println!(" ===> {:?}", vv);
}
// println!("{} -> {:?}", k, v);
umap_work.insert(k.clone(), (v.0.clone(), AtomicUsize::new(0))); // No need for extra vec!
umap_full.insert(k, (v.0, AtomicUsize::new(0))); // Use `value.0` directly
}
@@ -92,9 +79,6 @@ pub trait GetHost {
impl GetHost for LB {
async fn get_host(&self, peer: &str) -> Option<(String, u16)> {
let map_read = self.upstreams.read().await;
// let ful_read = self.umap_full.read().await;
// println!("DN ==> {:?}", map_read);
// println!("FU ==> {:?}", ful_read);
let x = if let Some(entry) = map_read.get(peer) {
let (servers, index) = entry.value(); // No clone here

69
src/web/webserver.rs Normal file
View File

@@ -0,0 +1,69 @@
use axum::body::Body;
use axum::http::{Response, StatusCode};
use axum::routing::post;
use axum::{routing::get, Json, Router};
use dashmap::DashMap;
use futures::channel::mpsc::Sender;
use futures::SinkExt;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::sync::atomic::AtomicUsize;
use tokio::net::TcpListener;
#[derive(Debug, Serialize, Deserialize)]
struct UpstreamData {
servers: Vec<(String, u16)>,
counter: usize,
}
pub async fn run_server(mut toreturn: Sender<DashMap<String, (Vec<(String, u16)>, AtomicUsize)>>) {
let mut tr = toreturn.clone();
let app = Router::new()
.route("/", get(getconfig))
.route(
"/conf",
post(|up: String| async move {
let serverlist = crate::utils::discovery::read_upstreams_from_file(up.as_str(), "content");
let _ = tr.send(serverlist).await.unwrap();
Response::builder().status(StatusCode::CREATED).body(Body::from("Config, conf file, updated!\n")).unwrap()
})
.with_state("state"),
)
.route(
"/json",
post(|Json(payload): Json<HashMap<String, UpstreamData>>| async move {
let upstreams = DashMap::new();
for (key, value) in payload {
upstreams.insert(key, (value.servers, AtomicUsize::new(value.counter)));
}
let _ = toreturn.send(upstreams).await.unwrap();
Response::builder().status(StatusCode::CREATED).body(Body::from("Config, json, updated!\n")).unwrap()
}),
);
let listener = TcpListener::bind("0.0.0.0:3000").await.unwrap();
println!("Axum API server running on port 3000");
axum::serve(listener, app).await.unwrap();
}
async fn getconfig() -> String {
"Hello from Axum API inside Pingora!\n".to_string()
}
// curl -XPOST -H 'Content-Type: application/json' --data-binary @./push.json 127.0.0.1:3000/json
// curl -XPOST --data-binary @./etc/upstreams.txt 127.0.0.1:3000/conf
/*
async fn config(Json(payload): Json<HashMap<String, UpstreamData>>) -> impl IntoResponse {
let upstreams = DashMap::new();
for (key, value) in payload {
upstreams.insert(key, (value.servers, AtomicUsize::new(value.counter)));
}
println!("{:?}", upstreams);
Response::builder().status(StatusCode::CREATED).body(Body::from("Config updated!\n")).unwrap()
}
async fn parse_upstreams(up: String) -> impl IntoResponse {
println!("Parsing: {}", up);
let serverlist = read_upstreams_from_file(up.as_str());
println!("{:?}", serverlist);
Response::builder().status(StatusCode::CREATED).body(Body::from("Config updated!\n")).unwrap()
}
*/