oxana 2.0.0-rc.5

A simple & fast job queue system.
Documentation 
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

use rand::RngExt;
use serde::{Deserialize, Serialize};
use tracing_subscriber::{EnvFilter, fmt, prelude::*};

#[derive(Debug, thiserror::Error)]
enum WorkerError {
    #[error("Generic error: {0}")]
    GenericError(String),
}

#[derive(Debug, Serialize, Deserialize, Clone)]
struct WorkerContext {}

#[derive(Debug, Serialize, Deserialize, oxana::Job)]
struct TestJob {}

#[derive(oxana::Worker)]
#[oxana(registry = None)]
#[oxana(max_retries = 3, retry_delay = 0)]
#[oxana(cron(schedule = "*/10 * * * * *", queue = QueueOne))]
struct TestWorker;

impl TestWorker {
    async fn process(&self, _job: TestJob, _ctx: &oxana::JobContext) -> Result<(), WorkerError> {
        if rand::rng().random_bool(0.5) {
            Err(WorkerError::GenericError("foo".to_string()))
        } else {
            Ok(())
        }
    }
}

#[derive(Serialize, oxana::Queue)]
#[oxana(registry = None)]
struct QueueOne;

#[tokio::main]
pub async fn main() -> Result<(), oxana::OxanaError> {
    tracing_subscriber::registry()
        .with(fmt::layer())
        .with(EnvFilter::from_default_env())
        .init();

    let ctx = oxana::ContextValue::new(WorkerContext {});
    let storage = oxana::Storage::builder().build_from_env()?;
    let config = oxana::Config::new(&storage)
        .register_worker::<TestWorker, TestJob>()
        .with_graceful_shutdown(tokio::signal::ctrl_c());

    oxana::run(config, ctx).await?;

    Ok(())
}