proksi 0.2.13

A batteries-included reverse proxy with automatic HTTPS using Cloudflare Pingora and Let's Encrypt.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55

use std::time::Duration;

use async_trait::async_trait;
use pingora::{
    server::{ListenFds, ShutdownWatch},
    services::Service,
};

use crate::stores::{self};

/// Health check service that will run health checks on all upstreams
/// And update the route store with the new healthy upstreams.
/// This service will run in a separate thread.
pub struct HealthService {
    // route_store: RouteStore,
}

impl HealthService {
    pub fn new() -> Self {
        Self {}
    }
}

async fn run_health_check_loop() {
    let mut interval = tokio::time::interval(Duration::from_secs(20));
    interval.tick().await;

    loop {
        interval.tick().await;

        for (key, route) in stores::get_routes().iter() {
            tracing::debug!("Running health check for host {}", key);

            route.load_balancer.update().await.ok();
            route.load_balancer.backends().run_health_check(true).await;
        }
    }
}

#[async_trait]
impl Service for HealthService {
    async fn start_service(&mut self, _fds: Option<ListenFds>, _shutdown: ShutdownWatch) {
        tracing::info!("Starting health check service");

        run_health_check_loop().await;
    }

    fn name(&self) -> &str {
        "health_check_service"
    }

    fn threads(&self) -> Option<usize> {
        Some(1)
    }
}