FAELIX/rexaping
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improve logging and error handling

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fixes #2
This commit is contained in:
Jan Christian Gr??nhage
2020-04-06 13:57:06 +02:00
parent 2c2c5359b6
commit 0e8f270742
3 changed files with 26 additions and 11 deletions
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19
src/ping.rs
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@ -20,7 +20,7 @@
use crate::config::Config;
use futures_util::stream::StreamExt;
use lazy_static::lazy_static;
use log::{error, info};
use log::{error, info, trace};
use prometheus::*;
use std::time::Duration;
use tokio::time::delay_for;
@ -42,7 +42,13 @@ lazy_static! {
pub(crate) async fn start_pinging_hosts(
config: Config,
) -> std::result::Result<(), tokio_ping::Error> {
let pinger = tokio_ping::Pinger::new().await?;
let pinger = match tokio_ping::Pinger::new().await {
Ok(pinger) => pinger,
Err(error) => {
error!("Couldn't create pinger: {}", error);
std::process::exit(1);
}
};
for (host, interval) in config.hosts.clone() {
info!("Spawn ping task for {}", host);
let pingchain = pinger.chain(host).timeout(Duration::from_secs(3));
@ -51,11 +57,16 @@ pub(crate) async fn start_pinging_hosts(
match ping_result {
Ok(time) => match time {
Some(time) => {
let ms = time.as_millis();
trace!("Received pong from {} after {} ms", &host, &ms);
PING_HISTOGRAM
.with_label_values(&[&host])
.observe(time.as_millis() as f64);
.observe(ms as f64);
}
None => {
trace!("Received no response from {} within timeout", &host);
PING_HISTOGRAM.with_label_values(&[&host]).observe(3000.0);
}
None => PING_HISTOGRAM.with_label_values(&[&host]).observe(3000.0),
},
Err(error) => error!("Couldn't ping {}: {}", &host, error),
}