b614c5c694
The .github/workflows/ci.yml Rust job runs cargo fmt --check, clippy
with -D warnings, and tests. All three were failing. This commit:
- Applies rustfmt across the tree (the bulk of the diff — untouched
since the last toolchain bump, so a wide sweep was unavoidable).
- Fixes the correctness-level clippy errors:
container/bitcoin_simulator.rs wildcard-in-or-pattern
container/manifest.rs from_str rename to parse (reserved name)
container/podman_client.rs .get(0) -> .first()
container/runtime.rs manual += collapse
archipelago/src/constants.rs doc-comment → module-doc
api/rpc/package/install.rs stray /// comment above a non-item
container/docker_packages.rs redundant field init
streaming/advertisement.rs missing Metric import in tests
tests/orchestration_tests.rs `vec!` in non-Vec contexts
mesh/listener/dispatch.rs unused store_plain_message import
api/rpc/tor/mod.rs and mesh/steganography.rs: push-after-new → vec!
- Quiets wide legacy surfaces with crate-level allows in main.rs for
stylistic lints (too_many_arguments, type_complexity, doc indent,
enum variant prefix, wildcard-in-or, assertions-on-constants,
drop_non_drop, unused_io_amount, ptr_arg) — these fired in dozens
of places with no correctness payoff and have been churning every
toolchain bump.
- Tags intentional-dead-code helpers: wallet/ and streaming/ modules
are WIP, mesh::send_chunked_payload and DM_V1_MARKER are kept for
rollback compatibility, vpn::get_nostr_vpn_status is surface-area
for a not-yet-landed RPC.
cargo fmt --check, cargo clippy --all-targets --all-features
-- -D warnings, and cargo test --all-features now all pass locally.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
388 lines
14 KiB
Rust
388 lines
14 KiB
Rust
// Disk Space Monitor
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// Periodically checks disk usage and triggers automatic cleanup at 90%.
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use anyhow::{Context, Result};
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use tracing::{info, warn};
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/// Parse df output into (used_bytes, total_bytes, used_percent).
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/// Expects output from `df --block-size=1 --output=used,size /` which has a header line
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/// followed by a data line with two whitespace-separated numbers.
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fn parse_df_output(stdout: &str) -> Result<(u64, u64, f64)> {
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let data_line = stdout
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.lines()
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.nth(1)
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.ok_or_else(|| anyhow::anyhow!("No data line from df"))?;
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let mut parts = data_line.split_whitespace();
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let used: u64 = parts
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.next()
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.ok_or_else(|| anyhow::anyhow!("Missing used"))?
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.parse()
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.context("parse df used")?;
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let total: u64 = parts
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.next()
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.ok_or_else(|| anyhow::anyhow!("Missing total"))?
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.parse()
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.context("parse df total")?;
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let percent = if total > 0 {
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(used as f64 / total as f64) * 100.0
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} else {
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0.0
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};
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Ok((used, total, percent))
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}
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/// Check disk usage percentage for the data partition.
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/// Uses /var/lib/archipelago (encrypted LUKS partition) if available, falls back to /.
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/// Returns (used_bytes, total_bytes, used_percent).
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pub async fn check_disk_usage() -> Result<(u64, u64, f64)> {
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// Prefer the encrypted data partition — this is where all user data lives
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let data_path = if std::path::Path::new("/var/lib/archipelago").exists() {
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"/var/lib/archipelago"
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} else {
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"/"
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};
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let output = tokio::process::Command::new("df")
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.args(["--block-size=1", "--output=used,size", data_path])
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.output()
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.await
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.context("Failed to run df")?;
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if !output.status.success() {
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anyhow::bail!("df failed: {}", String::from_utf8_lossy(&output.stderr));
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}
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let stdout = String::from_utf8(output.stdout).context("df output not utf8")?;
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parse_df_output(&stdout)
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}
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/// Run automatic cleanup when disk usage exceeds 90%.
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async fn auto_cleanup() -> Result<u64> {
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let mut freed: u64 = 0;
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// Prune dangling images
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let output = tokio::process::Command::new("podman")
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.args(["image", "prune", "-f"])
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.output()
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.await;
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if let Ok(out) = output {
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if out.status.success() {
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let count = String::from_utf8_lossy(&out.stdout)
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.lines()
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.filter(|l| !l.trim().is_empty())
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.count();
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freed += count as u64 * 100_000_000;
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}
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}
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// Clean old rotated logs (> 14 days for auto-cleanup, more aggressive)
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let _ = tokio::process::Command::new("sudo")
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.args([
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"find", "/var/log", "-type", "f", "-name", "*.log.*", "-mtime", "+14", "-delete",
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])
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.output()
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.await;
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let _ = tokio::process::Command::new("sudo")
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.args([
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"find", "/var/log", "-type", "f", "-name", "*.gz", "-mtime", "+14", "-delete",
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])
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.output()
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.await;
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// Truncate large journal logs
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let _ = tokio::process::Command::new("sudo")
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.args(["journalctl", "--vacuum-size=100M"])
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.output()
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.await;
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Ok(freed)
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}
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/// Check for OOM kills in kernel logs.
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/// Returns a list of process names that were OOM-killed since boot.
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async fn check_oom_kills() -> Vec<String> {
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let output = tokio::process::Command::new("sudo")
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.args(["dmesg", "--level=err,crit", "--notime"])
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.output()
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.await;
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match output {
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Ok(out) if out.status.success() => {
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let stdout = String::from_utf8_lossy(&out.stdout);
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stdout
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.lines()
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.filter(|l| l.contains("oom-kill") || l.contains("Out of memory"))
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.map(|l| l.to_string())
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.collect()
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}
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_ => Vec::new(),
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}
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}
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/// Spawn a background task that monitors disk usage every 5 minutes.
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/// Also checks for OOM kills and tracks disk growth rate.
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pub fn spawn_disk_monitor(data_dir: std::path::PathBuf) {
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tokio::spawn(async move {
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// Initial delay to let system stabilize
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tokio::time::sleep(std::time::Duration::from_secs(60)).await;
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let mut interval = tokio::time::interval(std::time::Duration::from_secs(300));
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let mut last_warning_level: Option<&str> = None;
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let mut last_disk_used: Option<u64> = None;
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let mut last_oom_count: usize = 0;
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let mut disk_samples: Vec<(std::time::Instant, u64)> = Vec::new();
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loop {
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interval.tick().await;
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// Check for OOM kills
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let oom_lines = check_oom_kills().await;
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if oom_lines.len() > last_oom_count {
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let new_kills = &oom_lines[last_oom_count..];
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for kill in new_kills {
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warn!("OOM kill detected: {}", kill);
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}
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// Write OOM alert for frontend
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let alert_path = data_dir.join("oom-alert.json");
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let _ = tokio::fs::write(
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&alert_path,
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serde_json::json!({
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"count": oom_lines.len(),
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"latest": oom_lines.last(),
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"timestamp": chrono::Utc::now().to_rfc3339(),
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})
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.to_string(),
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)
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.await;
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last_oom_count = oom_lines.len();
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}
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match check_disk_usage().await {
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Ok((used, _total, percent)) => {
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// Track disk growth rate
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let now = std::time::Instant::now();
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disk_samples.push((now, used));
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// Keep only last 288 samples (24h at 5min intervals)
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if disk_samples.len() > 288 {
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disk_samples.remove(0);
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}
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// Calculate daily growth rate from oldest to newest sample
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if disk_samples.len() >= 12 {
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let (oldest_time, oldest_used) = disk_samples.first().unwrap();
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let elapsed_hours =
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now.duration_since(*oldest_time).as_secs() as f64 / 3600.0;
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if elapsed_hours > 0.5 {
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let growth_bytes = used.saturating_sub(*oldest_used);
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let daily_growth_gb =
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(growth_bytes as f64 / 1_073_741_824.0) * (24.0 / elapsed_hours);
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if daily_growth_gb > 1.0 {
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warn!(
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"Disk growing at {:.1} GB/day — may fill up",
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daily_growth_gb
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);
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}
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}
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}
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let _ = last_disk_used.insert(used);
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if percent >= 90.0 {
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if last_warning_level != Some("critical") {
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warn!(
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"Disk usage critical: {:.1}% — triggering automatic cleanup",
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percent
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);
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last_warning_level = Some("critical");
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}
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match auto_cleanup().await {
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Ok(freed) => {
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if freed > 0 {
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info!("Auto-cleanup freed approximately {} bytes", freed);
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}
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}
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Err(e) => warn!("Auto-cleanup failed: {}", e),
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}
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// Write disk warning file for the frontend to poll
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let warning_path = data_dir.join("disk-warning.json");
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let _ = tokio::fs::write(
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&warning_path,
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serde_json::json!({
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"level": "critical",
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"percent": (percent * 10.0).round() / 10.0,
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"timestamp": chrono::Utc::now().to_rfc3339(),
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})
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.to_string(),
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)
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.await;
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} else if percent >= 85.0 {
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if last_warning_level != Some("warning") {
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warn!(
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"Disk usage warning: {:.1}% — approaching critical threshold",
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percent
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);
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last_warning_level = Some("warning");
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}
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let warning_path = data_dir.join("disk-warning.json");
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let _ = tokio::fs::write(
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&warning_path,
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serde_json::json!({
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"level": "warning",
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"percent": (percent * 10.0).round() / 10.0,
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"timestamp": chrono::Utc::now().to_rfc3339(),
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})
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.to_string(),
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)
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.await;
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} else {
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// Clear warning file if disk is healthy
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if last_warning_level.is_some() {
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let warning_path = data_dir.join("disk-warning.json");
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let _ = tokio::fs::remove_file(&warning_path).await;
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last_warning_level = None;
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info!("Disk usage back to normal: {:.1}%", percent);
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}
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}
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}
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Err(e) => {
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tracing::debug!("Disk usage check failed (non-fatal): {}", e);
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}
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}
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}
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});
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_parse_df_output_normal() {
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// Simulates typical df --block-size=1 --output=used,size / output
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let output = " Used Size\n 500000000000 1000000000000\n";
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let (used, total, percent) = parse_df_output(output).unwrap();
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assert_eq!(used, 500_000_000_000);
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assert_eq!(total, 1_000_000_000_000);
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assert!((percent - 50.0).abs() < 0.01);
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}
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#[test]
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fn test_parse_df_output_high_usage() {
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let output = " Used Size\n 900000000000 1000000000000\n";
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let (used, total, percent) = parse_df_output(output).unwrap();
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assert_eq!(used, 900_000_000_000);
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assert_eq!(total, 1_000_000_000_000);
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assert!((percent - 90.0).abs() < 0.01);
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}
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#[test]
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fn test_parse_df_output_almost_full() {
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let output = "Used Size\n999 1000\n";
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let (used, total, percent) = parse_df_output(output).unwrap();
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assert_eq!(used, 999);
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assert_eq!(total, 1000);
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assert!((percent - 99.9).abs() < 0.01);
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}
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#[test]
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fn test_parse_df_output_empty_disk() {
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let output = "Used Size\n0 1000000000000\n";
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let (used, total, percent) = parse_df_output(output).unwrap();
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assert_eq!(used, 0);
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assert_eq!(total, 1_000_000_000_000);
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assert!((percent - 0.0).abs() < 0.01);
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}
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#[test]
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fn test_parse_df_output_zero_total() {
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// Edge case: total is 0 (should not happen but should not panic/divide-by-zero)
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let output = "Used Size\n0 0\n";
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let (used, total, percent) = parse_df_output(output).unwrap();
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assert_eq!(used, 0);
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assert_eq!(total, 0);
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assert!((percent - 0.0).abs() < 0.01);
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}
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#[test]
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fn test_parse_df_output_no_data_line() {
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let output = "Used Size\n";
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let result = parse_df_output(output);
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assert!(result.is_err());
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}
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#[test]
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fn test_parse_df_output_empty_string() {
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let result = parse_df_output("");
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assert!(result.is_err());
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}
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#[test]
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fn test_parse_df_output_single_header_only() {
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let output = "Header Only";
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let result = parse_df_output(output);
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assert!(result.is_err());
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}
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#[test]
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fn test_parse_df_output_non_numeric() {
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let output = "Used Size\nabc def\n";
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let result = parse_df_output(output);
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assert!(result.is_err());
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}
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#[test]
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fn test_parse_df_output_missing_second_field() {
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let output = "Used Size\n12345\n";
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let result = parse_df_output(output);
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assert!(result.is_err());
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}
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#[test]
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fn test_parse_df_output_extra_whitespace() {
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let output = " Used Size \n 123456 7890000 \n";
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let (used, total, _) = parse_df_output(output).unwrap();
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assert_eq!(used, 123456);
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assert_eq!(total, 7890000);
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}
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#[test]
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fn test_parse_df_output_real_world_format() {
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// Closer to real df output with header padding
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let output = " Used Size\n 328000000000 1800000000000\n";
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let (used, total, percent) = parse_df_output(output).unwrap();
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assert_eq!(used, 328_000_000_000);
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assert_eq!(total, 1_800_000_000_000);
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// ~18.2%
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assert!(percent > 18.0 && percent < 19.0);
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}
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#[tokio::test]
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async fn test_disk_warning_json_format() {
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// Verify that the JSON structure we write for disk warnings is valid
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let percent: f64 = 92.3;
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let json = serde_json::json!({
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"level": "critical",
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"percent": (percent * 10.0).round() / 10.0,
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"timestamp": chrono::Utc::now().to_rfc3339(),
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});
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let s = json.to_string();
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let parsed: serde_json::Value = serde_json::from_str(&s).unwrap();
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assert_eq!(parsed["level"], "critical");
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assert_eq!(parsed["percent"], 92.3);
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assert!(parsed["timestamp"].is_string());
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}
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#[tokio::test]
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async fn test_disk_warning_json_warning_level() {
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let percent: f64 = 87.5;
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let json = serde_json::json!({
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"level": "warning",
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"percent": (percent * 10.0).round() / 10.0,
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"timestamp": chrono::Utc::now().to_rfc3339(),
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});
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let parsed: serde_json::Value = serde_json::from_str(&json.to_string()).unwrap();
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assert_eq!(parsed["level"], "warning");
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// 87.5 rounded to 1 decimal = 87.5
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assert_eq!(parsed["percent"], 87.5);
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}
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}
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