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| 1 | +use anyhow::Result; |
| 2 | + |
| 3 | +/// # Errors |
| 4 | +/// Returns an error if workspace cache removal or Docker image listing fails. |
| 5 | +pub async fn handle_clean() -> Result<i32> { |
| 6 | + let mut cleaned = if let Some(ws_cache) = hm_util::dirs::harmont_workspace_cache_dir() |
| 7 | + && ws_cache.exists() |
| 8 | + { |
| 9 | + let size = dir_size(&ws_cache); |
| 10 | + std::fs::remove_dir_all(&ws_cache)?; |
| 11 | + tracing::info!( |
| 12 | + path = %ws_cache.display(), |
| 13 | + "removed workspace cache ({})", |
| 14 | + human_bytes(size), |
| 15 | + ); |
| 16 | + true |
| 17 | + } else { |
| 18 | + false |
| 19 | + }; |
| 20 | + |
| 21 | + let docker = match crate::orchestrator::docker_client::DockerClient::connect() { |
| 22 | + Ok(d) => match d.ping().await { |
| 23 | + Ok(()) => Some(d), |
| 24 | + Err(e) => { |
| 25 | + tracing::warn!(%e, "Docker daemon unreachable — skipping image cleanup"); |
| 26 | + None |
| 27 | + } |
| 28 | + }, |
| 29 | + Err(e) => { |
| 30 | + tracing::warn!(%e, "cannot connect to Docker — skipping image cleanup"); |
| 31 | + None |
| 32 | + } |
| 33 | + }; |
| 34 | + |
| 35 | + if let Some(docker) = &docker { |
| 36 | + let cache_images = docker.list_images_by_prefix("harmont-cache/").await?; |
| 37 | + for tag in &cache_images { |
| 38 | + if let Err(e) = docker.remove_image(tag).await { |
| 39 | + tracing::warn!(image = %tag, %e, "failed to remove cached image"); |
| 40 | + } else { |
| 41 | + tracing::info!(image = %tag, "removed cached Docker image"); |
| 42 | + cleaned = true; |
| 43 | + } |
| 44 | + } |
| 45 | + |
| 46 | + let ephemeral_images = docker |
| 47 | + .list_images_by_prefix("harmont-local-ephemeral/") |
| 48 | + .await?; |
| 49 | + for tag in &ephemeral_images { |
| 50 | + if let Err(e) = docker.remove_image(tag).await { |
| 51 | + tracing::warn!(image = %tag, %e, "failed to remove ephemeral image"); |
| 52 | + } else { |
| 53 | + tracing::info!(image = %tag, "removed ephemeral Docker image"); |
| 54 | + cleaned = true; |
| 55 | + } |
| 56 | + } |
| 57 | + } |
| 58 | + |
| 59 | + if !cleaned { |
| 60 | + tracing::info!("nothing to clean"); |
| 61 | + } |
| 62 | + |
| 63 | + Ok(0) |
| 64 | +} |
| 65 | + |
| 66 | +fn dir_size(path: &std::path::Path) -> u64 { |
| 67 | + fn walk(p: &std::path::Path) -> u64 { |
| 68 | + std::fs::read_dir(p) |
| 69 | + .into_iter() |
| 70 | + .flatten() |
| 71 | + .filter_map(std::result::Result::ok) |
| 72 | + .map(|e| { |
| 73 | + let path = e.path(); |
| 74 | + if path.is_dir() { |
| 75 | + walk(&path) |
| 76 | + } else { |
| 77 | + e.metadata().map_or(0, |m| m.len()) |
| 78 | + } |
| 79 | + }) |
| 80 | + .sum() |
| 81 | + } |
| 82 | + walk(path) |
| 83 | +} |
| 84 | + |
| 85 | +#[allow( |
| 86 | + clippy::cast_precision_loss, |
| 87 | + reason = "human-readable display; sub-byte precision irrelevant" |
| 88 | +)] |
| 89 | +fn human_bytes(bytes: u64) -> String { |
| 90 | + let b = bytes as f64; |
| 91 | + if bytes < 1024 { |
| 92 | + format!("{bytes}B") |
| 93 | + } else if bytes < 1024 * 1024 { |
| 94 | + format!("{:.1}KB", b / 1024.0) |
| 95 | + } else if bytes < 1024 * 1024 * 1024 { |
| 96 | + format!("{:.1}MB", b / (1024.0 * 1024.0)) |
| 97 | + } else { |
| 98 | + format!("{:.1}GB", b / (1024.0 * 1024.0 * 1024.0)) |
| 99 | + } |
| 100 | +} |
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