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PVF: more filesystem sandboxing (#1373)

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This commit is contained in:
Marcin S
2023-09-28 18:24:29 +02:00
committed by GitHub
parent de71fecc4e
commit c1eb342b14
24 changed files with 1528 additions and 612 deletions
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polkadot/node/core/pvf/src/artifacts.rs
+4 -3
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@@ -172,9 +172,10 @@ impl Artifacts {
///
/// The recognized artifacts will be filled in the table and unrecognized will be removed.
pub async fn new(cache_path: &Path) -> Self {
// Make sure that the cache path directory and all its parents are created.
// First delete the entire cache. Nodes are long-running so this should populate shortly.
// First delete the entire cache. This includes artifacts and any leftover worker dirs (see
// [`WorkerDir`]). Nodes are long-running so this should populate shortly.
let _ = tokio::fs::remove_dir_all(cache_path).await;
// Make sure that the cache path directory and all its parents are created.
let _ = tokio::fs::create_dir_all(cache_path).await;
Self { artifacts: HashMap::new() }
@@ -295,7 +296,7 @@ mod tests {
#[tokio::test]
async fn artifacts_removes_cache_on_startup() {
let fake_cache_path = crate::worker_intf::tmpfile("test-cache").await.unwrap();
let fake_cache_path = crate::worker_intf::tmppath("test-cache").await.unwrap();
let fake_artifact_path = {
let mut p = fake_cache_path.clone();
p.push("wasmtime_0x1234567890123456789012345678901234567890123456789012345678901234");