bestool-alertd 14.2.0

(Internal) BES tooling: healthcheck daemon
Documentation 
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use sysinfo::{MemoryRefreshKind, RefreshKind, System};

use super::SweepContext;
use crate::doctor::check::Check;

const WARN_PCT_USED: f64 = 90.0;
const FAIL_PCT_USED: f64 = 98.0;

pub async fn run(_ctx: SweepContext) -> Check {
	let sys = System::new_with_specifics(
		RefreshKind::nothing().with_memory(MemoryRefreshKind::everything()),
	);
	let total = sys.total_memory();
	let used = sys.used_memory();
	let pct = if total > 0 {
		((used as f64 / total as f64) * 100.0).round()
	} else {
		0.0
	};

	let summary = format!("{pct:.0}% used");
	let check = if pct >= FAIL_PCT_USED {
		Check::fail("memory", summary.clone(), format!("≥{FAIL_PCT_USED}% used"))
	} else if pct >= WARN_PCT_USED {
		Check::warning("memory", summary.clone(), format!("≥{WARN_PCT_USED}% used"))
	} else {
		Check::pass("memory", summary)
	};

	check
		.with_detail("used_bytes", used)
		.with_detail("total_bytes", total)
		.with_detail("percent_used", pct)
}