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Code Issues Packages 1 Wiki Activity

fix: make writing to the deps cache more reliable (#24135)

Browse source 
I was able to reproduce this locally.

```
[error] Failed to execute snippet: 
import { validate } from "@std/uuid";
import { assert, assertFalse } from "@std/assert";

assert(validate("6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b"));
assertFalse(validate("not a UUID"));
Download https://jsr.io/@std/uuid/meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1_meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/common.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/constants.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v1.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v3.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v4.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v5.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/_common.ts
error: Access is denied. (os error 5) (for 'V:\.cache\deno\deps\https\jsr.io\2ae5bb614c7526d0876be0b76da1372fd51304ae27d6202ee94df720b3523d08')
 at file:///V:/deno_std/uuid/common.ts:43
[error] Failed to execute snippet:
import { v5, NAMESPACE_DNS, NIL_UUID } from "@std/uuid";
import { assert, assertFalse } from "@std/assert";

const data = new TextEncoder().encode("deno.land");
const uuid = await v5.generate(NAMESPACE_DNS, data);

assert(v5.validate(uuid));
assertFalse(v5.validate(NIL_UUID));
Download https://jsr.io/@std/uuid/meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1_meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/common.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/constants.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v1.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v3.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v4.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v5.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/_common.ts
error: Access is denied. (os error 5) (for 'V:\.cache\deno\deps\https\jsr.io\63dd818c5fc1ac39c04df9b42bd9dd4bbc07f7d1b174e405d003731125778da1')
    at https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts:30:15
 at file:///V:/deno_std/uuid/mod.ts:4
[error] Failed to execute snippet:
import { isNil } from "@std/uuid";
import { assert, assertFalse } from "@std/assert";

assert(isNil("00000000-0000-0000-0000-000000000000"));
assertFalse(isNil(crypto.randomUUID()));
Download https://jsr.io/@std/uuid/meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1_meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/common.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/constants.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v1.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v3.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v4.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v5.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/_common.ts
error: Access is denied. (os error 5) (for 'V:\.cache\deno\deps\https\jsr.io\fd3a12fc091d16ee29f10fa7a05eeeb8bd6c3cc014642e72478c757f00e7261e')
    at https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts:34:40
 at file:///V:/deno_std/uuid/common.ts:23
[error] Failed to execute snippet:
import { version } from "@std/uuid";
import { assertEquals } from "@std/assert/assert-equals";

assertEquals(version("d9428888-122b-11e1-b85c-61cd3cbb3210"), 1);
assertEquals(version("6ec0bd7f-11c0-43da-975e-2a8ad9ebae0b"), 4);
Download https://jsr.io/@std/uuid/meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1_meta.json
Download https://jsr.io/@std/uuid/1.0.0-rc.1/mod.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/common.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/constants.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v1.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v3.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v4.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/v5.ts
Download https://jsr.io/@std/uuid/1.0.0-rc.1/_common.ts
error: Access is denied. (os error 5) (for 'V:\.cache\deno\deps\https\jsr.io\2ae5bb614c7526d0876be0b76da1372fd51304ae27d6202ee94df720b3523d08')
 at file:///V:/deno_std/uuid/common.ts:66
4 errors found
```

It occurs when many Deno processes are writing to the deps cache at the
same time. Fix is to use `atomic_write_with_retries` which is much more
reliable (and the function that helped make the ecosystem tests more
reliable too). After this change I no longer have this issue.

Closes https://github.com/denoland/deno/issues/24073
This commit is contained in:
David Sherret 2024-06-07 13:06:17 -04:00 committed by GitHub
parent 78774dd664
commit ed20102713
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
4 changed files with 13 additions and 7 deletions
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4
cli/cache/disk_cache.rs vendored
View file

@ -1,7 +1,7 @@
// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use super::CACHE_PERM;
use crate::util::fs::atomic_write_file;
use crate::util::fs::atomic_write_file_with_retries;
use deno_cache_dir::url_to_filename;
use deno_core::url::Host;
@ -120,7 +120,7 @@ impl DiskCache {
pub fn set(&self, filename: &Path, data: &[u8]) -> std::io::Result<()> {
let path = self.location.join(filename);
atomic_write_file(&path, data, CACHE_PERM)
atomic_write_file_with_retries(&path, data, CACHE_PERM)
}
}

4
cli/cache/mod.rs vendored
View file

@ -7,7 +7,7 @@ use crate::file_fetcher::FetchOptions;
use crate::file_fetcher::FileFetcher;
use crate::file_fetcher::FileOrRedirect;
use crate::npm::CliNpmResolver;
use crate::util::fs::atomic_write_file;
use crate::util::fs::atomic_write_file_with_retries;
use deno_ast::MediaType;
use deno_core::futures;
@ -74,7 +74,7 @@ impl deno_cache_dir::DenoCacheEnv for RealDenoCacheEnv {
path: &Path,
bytes: &[u8],
) -> std::io::Result<()> {
atomic_write_file(path, bytes, CACHE_PERM)
atomic_write_file_with_retries(path, bytes, CACHE_PERM)
}
fn modified(&self, path: &Path) -> std::io::Result<Option<SystemTime>> {

4
cli/npm/managed/resolvers/local.rs
View file

@ -17,7 +17,7 @@ use std::sync::Arc;
use crate::cache::CACHE_PERM;
use crate::npm::cache_dir::mixed_case_package_name_decode;
use crate::util::fs::atomic_write_file;
use crate::util::fs::atomic_write_file_with_retries;
use crate::util::fs::canonicalize_path_maybe_not_exists_with_fs;
use crate::util::fs::clone_dir_recursive;
use crate::util::fs::symlink_dir;
@ -550,7 +550,7 @@ impl SetupCache {
}
bincode::serialize(&self.current).ok().and_then(|data| {
atomic_write_file(&self.file_path, data, CACHE_PERM).ok()
atomic_write_file_with_retries(&self.file_path, data, CACHE_PERM).ok()
});
true
}

8
cli/util/fs.rs
View file

@ -32,6 +32,12 @@ use crate::util::progress_bar::ProgressBar;
use crate::util::progress_bar::ProgressBarStyle;
use crate::util::progress_bar::ProgressMessagePrompt;
/// Writes the file to the file system at a temporary path, then
/// renames it to the destination in a single sys call in order
/// to never leave the file system in a corrupted state.
///
/// This also handles creating the directory if a NotFound error
/// occurs.
pub fn atomic_write_file_with_retries<T: AsRef<[u8]>>(
file_path: &Path,
data: T,
@ -60,7 +66,7 @@ pub fn atomic_write_file_with_retries<T: AsRef<[u8]>>(
///
/// This also handles creating the directory if a NotFound error
/// occurs.
pub fn atomic_write_file<T: AsRef<[u8]>>(
fn atomic_write_file<T: AsRef<[u8]>>(
file_path: &Path,
data: T,
mode: u32,