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nym/validator-api/src/node_status_api/uptime_updater.rs
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Bogdan-Ștefan Neacşu 067f3e6f1a validator-api: handle SIGTERM (#1496)
* validator-api: handle SIGTERM

* Update CHANGELOG
2022-08-05 15:59:34 +03:00

92 lines
3.0 KiB
Rust

// Copyright 2021 - Nym Technologies SA <contact@nymtech.net>
// SPDX-License-Identifier: Apache-2.0
use crate::node_status_api::models::{
GatewayStatusReport, MixnodeStatusReport, ValidatorApiStorageError,
};
use crate::node_status_api::ONE_DAY;
use crate::storage::ValidatorApiStorage;
use log::error;
use task::ShutdownListener;
use time::OffsetDateTime;
use tokio::time::sleep;
pub(crate) struct HistoricalUptimeUpdater {
storage: ValidatorApiStorage,
}
impl HistoricalUptimeUpdater {
pub(crate) fn new(storage: ValidatorApiStorage) -> Self {
HistoricalUptimeUpdater { storage }
}
/// Obtains the lists of all mixnodes and gateways that were tested at least a single time
/// in the last 24h interval.
///
/// # Arguments
///
/// * `now`: current time.
async fn get_active_nodes(
&self,
now: OffsetDateTime,
) -> Result<(Vec<MixnodeStatusReport>, Vec<GatewayStatusReport>), ValidatorApiStorageError>
{
let day_ago = (now - ONE_DAY).unix_timestamp();
let active_mixnodes = self
.storage
.get_all_active_mixnode_reports_in_interval(day_ago, now.unix_timestamp())
.await?;
let active_gateways = self
.storage
.get_all_active_gateway_reports_in_interval(day_ago, now.unix_timestamp())
.await?;
Ok((active_mixnodes, active_gateways))
}
async fn update_uptimes(&self) -> Result<(), ValidatorApiStorageError> {
let now = OffsetDateTime::now_utc();
let today_iso_8601 = now.date().to_string();
// get nodes that were active in last 24h
let (active_mixnodes, active_gateways) = self.get_active_nodes(now).await?;
if self
.storage
.check_if_historical_uptimes_exist_for_date(&today_iso_8601)
.await?
{
warn!("We have already updated uptimes for all nodes this day.")
} else {
info!("Updating historical daily uptimes of all nodes...");
self.storage
.update_historical_uptimes(&today_iso_8601, &active_mixnodes, &active_gateways)
.await?;
}
Ok(())
}
pub(crate) async fn run(&self, mut shutdown: ShutdownListener) {
while !shutdown.is_shutdown() {
tokio::select! {
_ = sleep(ONE_DAY) => {
if let Err(err) = self.update_uptimes().await {
// normally that would have been a warning rather than an error,
// however, in this case it implies some underlying issues with our database
// that might affect the entire program
error!(
"We failed to update daily uptimes of active nodes - {}",
err
)
}
}
_ = shutdown.recv() => {
trace!("UpdateHandler: Received shutdown");
}
}
}
}
}