nws-site/src/uptime_service.rs

250 lines
8 KiB
Rust

use anyhow::anyhow;
use anyhow::Context;
use chrono::{Datelike, NaiveDate};
use log::*;
use std::collections::HashMap;
use std::sync::{Arc, Mutex};
use std::time::Duration;
use std::time::{SystemTime, UNIX_EPOCH};
use tokio::time::sleep;
#[macro_use]
use dotenv::dotenv;
use std::env;
#[derive(Debug, PartialEq, Clone)]
pub enum UptimeType {
Provider,
Service,
Datacenter,
Unknown,
}
#[derive(Debug, PartialEq, Clone)]
pub enum UptimeStatus {
Up,
Down,
Maintenance,
Unknown,
}
#[derive(Debug, Clone)]
pub struct Uptime {
pub name: String,
pub uptime: String,
pub response_time: String,
pub status: UptimeStatus,
pub uptime_type: UptimeType,
pub url: String,
}
#[derive(Debug, Clone)]
pub struct UptimeServiceState {
uptimes: Vec<Uptime>,
last_updated: SystemTime,
}
#[derive(Debug, Clone)]
pub struct UptimeService {
state: Arc<Mutex<UptimeServiceState>>,
}
impl UptimeService {
const UPDATE_SECONDS: u64 = 300;
pub fn new() -> Self {
let init_state = Arc::new(Mutex::new(UptimeServiceState {
uptimes: vec![],
last_updated: UNIX_EPOCH,
}));
Self { state: init_state }
}
pub fn start(&self) {
info!("Starting UptimeService");
let cloned_state = Arc::clone(&self.state);
tokio::spawn(async move {
loop {
let clonedx_state = Arc::clone(&cloned_state);
let res = Self::update_data(clonedx_state).await;
match res {
Err(err) => {
error!("{}", err);
}
_ => {}
}
sleep(tokio::time::Duration::from_secs(Self::UPDATE_SECONDS)).await;
}
});
}
pub fn get_data(&self) -> Vec<Uptime> {
let state = self.state.lock().unwrap();
let uptimes = state.uptimes.clone();
return uptimes;
}
pub fn get_last_updated(&self) -> SystemTime {
let state = self.state.lock().unwrap();
let lu = state.last_updated.clone();
return lu;
}
async fn update_data(arc_state: Arc<Mutex<UptimeServiceState>>) -> ::anyhow::Result<()> {
debug!("Starting data update for UptimeService");
let mut request_vars = HashMap::new();
let api_key = env::var("UPTIMEROBOT_API_KEY")?;
request_vars.insert("api_key", api_key.as_str());
request_vars.insert("all_time_uptime_ratio", "1");
let now = SystemTime::now();
//let thirty_days_ago = now - Duration::from_secs(30 * 24 * 3600);
let current_year = chrono::Utc::today().year();
let january_1st = NaiveDate::from_ymd(current_year, 1, 1).and_hms(0, 0, 0);
let duration =
january_1st.signed_duration_since(NaiveDate::from_ymd(1970, 1, 1).and_hms(0, 0, 0));
let year_start = UNIX_EPOCH + Duration::from_secs(duration.num_seconds() as u64);
//let ranges = &format!(
// "{}_{}-{}_{}",
// thirty_days_ago.duration_since(SystemTime::UNIX_EPOCH)?.as_secs(),
// now.duration_since(SystemTime::UNIX_EPOCH)?.as_secs(),
// year_start.duration_since(SystemTime::UNIX_EPOCH)?.as_secs(),
// now.duration_since(SystemTime::UNIX_EPOCH)?.as_secs(),
//);
let ranges = &format!(
"{}_{}",
year_start.duration_since(SystemTime::UNIX_EPOCH)?.as_secs(),
now.duration_since(SystemTime::UNIX_EPOCH)?.as_secs(),
);
request_vars.insert("custom_uptime_ranges", ranges);
request_vars.insert("response_times_average", "1440");
request_vars.insert("response_times", "1");
let client = reqwest::Client::new();
let res = client
.post("https://api.uptimerobot.com/v2/getMonitors")
.form(&request_vars)
.send()
.await?;
let resp = res.json::<serde_json::Value>().await?;
let monitors = resp
.get("monitors")
.context("Response did not have a monitors subobject")?
.as_array()
.context("Monitors subobject was not an array")?;
let mut state = match arc_state.lock() {
Ok(val) => val,
Err(_) => {
return Err(anyhow!("Could not lock shared state"));
}
};
state.uptimes.clear();
for monitor in monitors {
let monitor_fqn = monitor
.get("friendly_name")
.context("Monitor did not have property 'friendly_name'")?;
debug!("Monitor '{}' processing", monitor_fqn);
let split_str: Vec<&str> = monitor_fqn
.as_str()
.context("Expected 'friendly_name' to be a string")?
.split(".")
.collect();
if split_str.len() != 2 {
debug!("Monitor '{}' excluded due to bad format", monitor_fqn);
continue;
}
let monitor_nt = String::from(
*split_str
.get(0)
.context("Expected name to have first part")?,
);
let monitor_name = String::from(
*split_str
.get(1)
.context("Expected name to have second part")?,
);
let monitor_type = match monitor_nt.as_str() {
"datacenter" => UptimeType::Datacenter,
"service" => UptimeType::Service,
"competitor" => UptimeType::Provider,
_ => UptimeType::Unknown,
};
if monitor_type == UptimeType::Unknown {
debug!("Monitor '{}' excluded due to unknown type", monitor_fqn);
continue;
}
let monitor_status_num = monitor
.get("status")
.context("Expected monitor to have 'status' property")?
.as_u64()
.context("Expected 'status' property to be u64")?;
let monitor_status = match monitor_status_num {
0 => UptimeStatus::Maintenance,
1 | 8 | 9 => UptimeStatus::Down,
2 => UptimeStatus::Up,
_ => UptimeStatus::Unknown,
};
if monitor_status == UptimeStatus::Unknown {
debug!(
"Monitor '{}' excluded due to unknown status (status was {})",
monitor_fqn, monitor_status_num
);
continue;
}
let monitor_rt_val = monitor
.get("average_response_time")
.context("Expected monitor to have property 'average_response_time'")?;
// Because UptimeRobot has the world's worst API ever
// and decided that it's okay to return multiple datatypes
// for one property based on how they're feeling
let monitor_rt = match monitor_rt_val.as_str() {
Some(string) => format!("{}ms", string),
_ => format!("N/A"),
};
let monitor_uptime = format!(
"{}%",
monitor
.get("custom_uptime_ranges")
.context("Expected monitor to have property 'custom_uptime_ranges'")?
.as_str()
.context("Expected 'custom_uptime_ranges' to be String")?
);
let monitor_url = String::from(
monitor
.get("url")
.context("Expected monitor to have property 'url'")?
.as_str()
.context("Expected 'url' to be String")?,
);
state.uptimes.push(Uptime {
name: monitor_name,
uptime: monitor_uptime,
response_time: monitor_rt,
status: monitor_status,
uptime_type: monitor_type,
url: monitor_url,
});
}
state.last_updated = SystemTime::now();
Ok(())
}
}