| 1 | //! Continuous integration: the pipeline definition (`.anvil/ci.toml`) and the |
| 2 | //! persistence/lifecycle of CI runs. Execution (Docker) lives in `anvil-ci`. |
| 3 | |
| 4 | use serde::Deserialize; |
| 5 | |
| 6 | use crate::error::{Error, Result}; |
| 7 | use crate::models::CiRun; |
| 8 | |
| 9 | /// Run status values stored in [`CiRun::status`]. |
| 10 | pub mod status { |
| 11 | pub const QUEUED: &str = "queued"; |
| 12 | pub const RUNNING: &str = "running"; |
| 13 | pub const SUCCESS: &str = "success"; |
| 14 | pub const FAILURE: &str = "failure"; |
| 15 | pub const ERROR: &str = "error"; |
| 16 | } |
| 17 | |
| 18 | /// Path of the pipeline definition within a repository. |
| 19 | pub const PIPELINE_PATH: &str = ".anvil/ci.yml"; |
| 20 | |
| 21 | /// A parsed pipeline: a base image and ordered straight-line steps. |
| 22 | #[derive(Debug, Clone, Deserialize)] |
| 23 | pub struct Pipeline { |
| 24 | /// Docker image the steps run in, e.g. `rust:1.95-bookworm`. |
| 25 | pub image: String, |
| 26 | #[serde(default)] |
| 27 | pub steps: Vec<Step>, |
| 28 | } |
| 29 | |
| 30 | /// One pipeline step: a shell command, with an optional display name. |
| 31 | #[derive(Debug, Clone, Deserialize)] |
| 32 | pub struct Step { |
| 33 | #[serde(default)] |
| 34 | pub name: String, |
| 35 | pub run: String, |
| 36 | } |
| 37 | |
| 38 | impl Step { |
| 39 | /// Display label: the explicit name, or the command if unnamed. |
| 40 | pub fn label(&self) -> &str { |
| 41 | if self.name.is_empty() { |
| 42 | &self.run |
| 43 | } else { |
| 44 | &self.name |
| 45 | } |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | /// Parse a `.anvil/ci.yml` pipeline definition. |
| 50 | pub fn parse_pipeline(yaml: &str) -> Result<Pipeline> { |
| 51 | let pipeline: Pipeline = serde_yaml::from_str(yaml) |
| 52 | .map_err(|e| Error::Invalid(format!("invalid {PIPELINE_PATH}: {e}")))?; |
| 53 | if pipeline.image.trim().is_empty() { |
| 54 | return Err(Error::Invalid(format!( |
| 55 | "{PIPELINE_PATH}: `image` is required" |
| 56 | ))); |
| 57 | } |
| 58 | Ok(pipeline) |
| 59 | } |
| 60 | |
| 61 | /// Create a queued CI run for a pushed commit. |
| 62 | pub async fn enqueue(db: &toasty::Db, repo_id: i64, commit: &str, ref_name: &str) -> Result<CiRun> { |
| 63 | let mut conn = db.clone(); |
| 64 | let run = toasty::create!(CiRun { |
| 65 | repo_id: repo_id, |
| 66 | commit: commit, |
| 67 | ref_name: ref_name, |
| 68 | status: status::QUEUED, |
| 69 | log: "", |
| 70 | created_at: crate::now(), |
| 71 | started_at: 0, |
| 72 | finished_at: 0, |
| 73 | }) |
| 74 | .exec(&mut conn) |
| 75 | .await?; |
| 76 | Ok(run) |
| 77 | } |
| 78 | |
| 79 | /// Fetch a run by id. |
| 80 | pub async fn get(db: &toasty::Db, id: i64) -> Result<Option<CiRun>> { |
| 81 | let mut conn = db.clone(); |
| 82 | Ok(CiRun::filter(CiRun::fields().id().eq(id)) |
| 83 | .first() |
| 84 | .exec(&mut conn) |
| 85 | .await?) |
| 86 | } |
| 87 | |
| 88 | /// List a repository's runs, newest first, up to `limit`. |
| 89 | pub async fn list_by_repo(db: &toasty::Db, repo_id: i64, limit: usize) -> Result<Vec<CiRun>> { |
| 90 | let mut conn = db.clone(); |
| 91 | let runs = CiRun::filter(CiRun::fields().repo_id().eq(repo_id)) |
| 92 | .order_by(CiRun::fields().id().desc()) |
| 93 | .limit(limit) |
| 94 | .exec(&mut conn) |
| 95 | .await?; |
| 96 | Ok(runs) |
| 97 | } |
| 98 | |
| 99 | /// The most recent run for a specific commit (for status badges). |
| 100 | pub async fn latest_for_commit( |
| 101 | db: &toasty::Db, |
| 102 | repo_id: i64, |
| 103 | commit: &str, |
| 104 | ) -> Result<Option<CiRun>> { |
| 105 | let mut conn = db.clone(); |
| 106 | let run = CiRun::filter(CiRun::fields().repo_id().eq(repo_id)) |
| 107 | .filter(CiRun::fields().commit().eq(commit)) |
| 108 | .order_by(CiRun::fields().id().desc()) |
| 109 | .first() |
| 110 | .exec(&mut conn) |
| 111 | .await?; |
| 112 | Ok(run) |
| 113 | } |
| 114 | |
| 115 | /// Mark a run as started (running). |
| 116 | pub async fn mark_running(db: &toasty::Db, id: i64) -> Result<()> { |
| 117 | let Some(mut run) = get(db, id).await? else { |
| 118 | return Ok(()); |
| 119 | }; |
| 120 | let mut conn = db.clone(); |
| 121 | run.update() |
| 122 | .status(status::RUNNING) |
| 123 | .started_at(crate::now()) |
| 124 | .exec(&mut conn) |
| 125 | .await?; |
| 126 | Ok(()) |
| 127 | } |
| 128 | |
| 129 | /// Append a chunk to a run's log. |
| 130 | pub async fn append_log(db: &toasty::Db, id: i64, chunk: &str) -> Result<()> { |
| 131 | let Some(mut run) = get(db, id).await? else { |
| 132 | return Ok(()); |
| 133 | }; |
| 134 | let combined = format!("{}{chunk}", run.log); |
| 135 | let mut conn = db.clone(); |
| 136 | run.update().log(&combined).exec(&mut conn).await?; |
| 137 | Ok(()) |
| 138 | } |
| 139 | |
| 140 | /// Finish a run with a terminal status (`success`/`failure`/`error`). |
| 141 | pub async fn finish(db: &toasty::Db, id: i64, status: &str) -> Result<()> { |
| 142 | let Some(mut run) = get(db, id).await? else { |
| 143 | return Ok(()); |
| 144 | }; |
| 145 | let mut conn = db.clone(); |
| 146 | run.update() |
| 147 | .status(status) |
| 148 | .finished_at(crate::now()) |
| 149 | .exec(&mut conn) |
| 150 | .await?; |
| 151 | Ok(()) |
| 152 | } |
| 153 | |
| 154 | /// Re-queue runs left mid-flight by a crash/restart (status `running`). |
| 155 | /// Returns the ids that were requeued so the runner can pick them up. |
| 156 | pub async fn requeue_interrupted(db: &toasty::Db) -> Result<Vec<i64>> { |
| 157 | let mut conn = db.clone(); |
| 158 | let interrupted = CiRun::filter(CiRun::fields().status().eq(status::RUNNING)) |
| 159 | .exec(&mut conn) |
| 160 | .await?; |
| 161 | let mut ids = Vec::new(); |
| 162 | for mut run in interrupted { |
| 163 | let mut conn = db.clone(); |
| 164 | run.update().status(status::QUEUED).exec(&mut conn).await?; |
| 165 | ids.push(run.id); |
| 166 | } |
| 167 | Ok(ids) |
| 168 | } |
| 169 | |
| 170 | /// List all queued run ids (oldest first) — used on startup to drain the queue. |
| 171 | pub async fn queued_ids(db: &toasty::Db) -> Result<Vec<i64>> { |
| 172 | let mut conn = db.clone(); |
| 173 | let runs = CiRun::filter(CiRun::fields().status().eq(status::QUEUED)) |
| 174 | .order_by(CiRun::fields().id().asc()) |
| 175 | .exec(&mut conn) |
| 176 | .await?; |
| 177 | Ok(runs.into_iter().map(|r| r.id).collect()) |
| 178 | } |
| 179 | |
| 180 | #[cfg(test)] |
| 181 | mod tests { |
| 182 | use super::*; |
| 183 | |
| 184 | #[test] |
| 185 | fn parses_a_basic_pipeline() { |
| 186 | // YAML is indentation-sensitive, so the fixture is flush-left. |
| 187 | let p = parse_pipeline( |
| 188 | r#"image: rust:1.95-bookworm |
| 189 | steps: |
| 190 | - name: test |
| 191 | run: cargo test --workspace |
| 192 | - run: cargo build --release |
| 193 | "#, |
| 194 | ) |
| 195 | .unwrap(); |
| 196 | assert_eq!(p.image, "rust:1.95-bookworm"); |
| 197 | assert_eq!(p.steps.len(), 2); |
| 198 | assert_eq!(p.steps[0].label(), "test"); |
| 199 | // Unnamed step falls back to its command for the label. |
| 200 | assert_eq!(p.steps[1].label(), "cargo build --release"); |
| 201 | } |
| 202 | |
| 203 | #[test] |
| 204 | fn requires_an_image() { |
| 205 | assert!(parse_pipeline("steps: []\n").is_err()); |
| 206 | } |
| 207 | |
| 208 | // Exercises the run-lifecycle queries against a real SQLite database, to |
| 209 | // confirm the ORM-level `order_by`/`limit`/filter actually work (Toasty is |
| 210 | // pre-1.0, so we don't take that on faith). |
| 211 | #[tokio::test] |
| 212 | async fn ordering_and_limit_run_in_the_database() { |
| 213 | let dir = tempfile::tempdir().unwrap(); |
| 214 | let db = crate::db::connect(dir.path().join("t.db")).await.unwrap(); |
| 215 | |
| 216 | for c in ["aaa", "bbb", "ccc"] { |
| 217 | enqueue(&db, 1, c, "main").await.unwrap(); |
| 218 | } |
| 219 | enqueue(&db, 2, "zzz", "main").await.unwrap(); // a different repo |
| 220 | |
| 221 | // Newest-first, limited to 2 — and scoped to repo 1. |
| 222 | let runs = list_by_repo(&db, 1, 2).await.unwrap(); |
| 223 | assert_eq!(runs.len(), 2); |
| 224 | assert!(runs[0].id > runs[1].id, "newest first"); |
| 225 | assert_eq!(runs[0].commit, "ccc"); |
| 226 | assert!(runs.iter().all(|r| r.repo_id == 1)); |
| 227 | |
| 228 | // Commit filter pushed into the query (not an in-memory retain). |
| 229 | let latest = latest_for_commit(&db, 1, "bbb").await.unwrap().unwrap(); |
| 230 | assert_eq!(latest.commit, "bbb"); |
| 231 | assert_eq!(latest.repo_id, 1); |
| 232 | assert!(latest_for_commit(&db, 1, "nope").await.unwrap().is_none()); |
| 233 | |
| 234 | // All queued, ascending by id. |
| 235 | let queued = queued_ids(&db).await.unwrap(); |
| 236 | assert_eq!(queued.len(), 4); |
| 237 | assert!(queued.windows(2).all(|w| w[0] < w[1]), "ascending"); |
| 238 | } |
| 239 | } |