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Merge pull request #493 from LnL7/lapin-stats

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lapin stats
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Daiderd Jordan 2020-05-23 21:57:30 +02:00 committed by GitHub
parent 08717c5cf2 41c2899e3c
commit 2dc4868500
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 55 additions and 68 deletions
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75
ofborg/src/bin/stats.rs
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@ -1,34 +1,32 @@
use ofborg::easyamqp::{ChannelExt, ConsumerExt};
use ofborg::{config, easyamqp, stats, tasks, worker};
use std::env;
use std::error::Error;
use std::thread;
use amqp::Basic;
use async_std::task;
use hyper::server::{Request, Response, Server};
use tracing::info;
fn main() {
let cfg = config::load(env::args().nth(1).unwrap().as_ref());
use ofborg::easyamqp::{ChannelExt, ConsumerExt};
use ofborg::{config, easyamqp, easylapin, stats, tasks};
fn main() -> Result<(), Box<dyn Error>> {
ofborg::setup_log();
info!("Hello, world!");
let arg = env::args().nth(1).expect("usage: stats <config>");
let cfg = config::load(arg.as_ref());
let mut session = easyamqp::session_from_config(&cfg.rabbitmq).unwrap();
info!("Connected to rabbitmq");
let conn = easylapin::from_config(&cfg.rabbitmq)?;
let mut chan = task::block_on(conn.create_channel())?;
let events = stats::RabbitMQ::from_amqp(
let events = stats::RabbitMQ::from_lapin(
&format!("{}-{}", cfg.runner.identity.clone(), cfg.nix.system.clone()),
session.open_channel(3).unwrap(),
task::block_on(conn.create_channel())?,
);
let metrics = stats::MetricCollector::new();
let collector = tasks::statscollector::StatCollectorWorker::new(events, metrics.clone());
let mut channel = session.open_channel(1).unwrap();
channel
.declare_exchange(easyamqp::ExchangeConfig {
chan.declare_exchange(easyamqp::ExchangeConfig {
exchange: "stats".to_owned(),
exchange_type: easyamqp::ExchangeType::Fanout,
passive: false,
@ -36,33 +34,27 @@ fn main() {
auto_delete: false,
no_wait: false,
internal: false,
})
.unwrap();
})?;
channel
.declare_queue(easyamqp::QueueConfig {
queue: "stats-events".to_owned(),
let queue_name = String::from("stats-events");
chan.declare_queue(easyamqp::QueueConfig {
queue: queue_name.clone(),
passive: false,
durable: true,
exclusive: false,
auto_delete: false,
no_wait: false,
})
.unwrap();
})?;
channel
.bind_queue(easyamqp::BindQueueConfig {
queue: "stats-events".to_owned(),
chan.bind_queue(easyamqp::BindQueueConfig {
queue: queue_name.clone(),
exchange: "stats".to_owned(),
routing_key: None,
no_wait: false,
})
.unwrap();
})?;
channel.basic_prefetch(1).unwrap();
let mut channel = channel
.consume(
worker::new(collector),
let handle = chan.consume(
collector,
easyamqp::ConsumeConfig {
queue: "stats-events".to_owned(),
consumer_tag: format!("{}-prometheus-stats-collector", cfg.whoami()),
@ -71,26 +63,21 @@ fn main() {
no_wait: false,
exclusive: false,
},
)
.unwrap();
)?;
thread::spawn(|| {
let addr = "0.0.0.0:9898";
info!("listening addr {:?}", addr);
Server::http(addr)
.unwrap()
.handle(move |_: Request, res: Response| {
Server::http(addr)?.handle(move |_: Request, res: Response| {
res.send(metrics.prometheus_output().as_bytes()).unwrap();
})
.unwrap();
})?;
Ok::<_, Box<dyn Error + Sync + Send + '_>>(())
});
channel.start_consuming();
info!("Fetching jobs from {}", &queue_name);
task::block_on(handle);
info!("Finished consuming?");
channel.close(200, "Bye").unwrap();
info!("Closed the channel");
session.close(200, "Good Bye");
drop(conn); // Close connection.
info!("Closed the session... EOF");
Ok(())
}