ExtraChat/server/src/influx.rs

139 lines
4.3 KiB
Rust

use std::sync::Arc;
use std::sync::atomic::Ordering;
use std::time::Duration;
use chrono::Utc;
use log::{debug, error};
use reqwest::Client;
use tokio::sync::RwLock;
use crate::{Config, State};
pub fn spawn(config: &Config, state: Arc<RwLock<State>>) {
let influx = match &config.influx {
Some(i) => i,
None => return,
};
let mut url = match influx.url.join("/api/v2/write") {
Ok(url) => url,
Err(e) => {
error!("Failed to parse influxdb url: {}", e);
return;
}
};
url.query_pairs_mut()
.append_pair("org", &influx.org)
.append_pair("bucket", &influx.bucket);
let influx_token = influx.token.clone();
tokio::task::spawn(async move {
let mut last_messages = 0;
let client = Client::new();
loop {
let messages = state.read().await.messages_sent.load(Ordering::SeqCst);
let diff = messages - last_messages;
last_messages = messages;
let clients = state.read().await.clients.len();
let num_users = sqlx::query!(
// language=sqlite
"select count(*) as count from users"
)
.fetch_one(&state.read().await.db)
.await
.ok();
let in_one = sqlx::query!(
// language=sqlite
"select count(distinct lodestone_id) as count from user_channels"
)
.fetch_one(&state.read().await.db)
.await
.ok();
let num_linkshells = sqlx::query!(
// language=sqlite
"select count(*) as count from channels"
)
.fetch_one(&state.read().await.db)
.await
.ok();
let outstanding_invites = sqlx::query!(
// language=sqlite
"select count(*) as count from channel_invites"
)
.fetch_one(&state.read().await.db)
.await
.ok();
let timestamp = Utc::now()
.timestamp_nanos_opt()
.unwrap_or_default();
let mut line_format = format!(
"logged_in value={logged_in}u {timestamp}\nmessages_this_instance value={messages_this_instance}u {timestamp}\nmessages_new value={messages_new}u {timestamp}\n",
logged_in = clients,
messages_this_instance = messages,
messages_new = diff,
timestamp = timestamp,
);
if let Some(num_users) = num_users {
line_format.push_str(&format!(
"users value={users}u {timestamp}\n",
users = num_users.count,
timestamp = timestamp,
));
}
if let Some(in_one) = in_one {
line_format.push_str(&format!(
"users_in_at_least_one_linkshell value={in_one}u {timestamp}\n",
in_one = in_one.count,
timestamp = timestamp,
));
}
if let Some(num_linkshells) = num_linkshells {
line_format.push_str(&format!(
"linkshells value={linkshells}u {timestamp}\n",
linkshells = num_linkshells.count,
timestamp = timestamp,
));
}
if let Some(outstanding_invites) = outstanding_invites {
line_format.push_str(&format!(
"outstanding_invites value={outstanding_invites}u {timestamp}\n",
outstanding_invites = outstanding_invites.count,
timestamp = timestamp,
));
}
debug!("line_format: {}", line_format);
let res = client.post(url.clone())
.header("Authorization", format!("Token {}", influx_token))
.body(line_format)
.send()
.await
.and_then(|resp| resp.error_for_status());
if let Err(e) = res {
error!("failed to send to influxdb: {}", e);
} else {
debug!("sent to influxdb");
}
tokio::time::sleep(Duration::from_secs(60)).await;
}
});
}