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Cache prefix key for multiple cache-dependency-path

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难度
3/5
预计耗时
1-2 天
新手友好度
35/100
Issue 类型
功能
描述清晰度
基本清楚
活跃度
停滞
技术栈
nodejs, typescript
领域
ci-cd

调研方向

检查 setup-node 如何根据 cache-dependency-path 构造缓存键,然后阅读相关 issue #1120 了解背景。完成的标准是:工作流可以在包管理器和 lockfile 哈希之间提供一个可控的前缀,从而使关注点各自独立的 monorepo 缓存不会相互交叉恢复。

由索引模型根据 Issue 内容生成。

描述

feature request

Description:

Currently the cache key is always the following format node-cache-{platform}-{packageManager}-{fileHash(lockfile)}
I'd like a way to add a prefix between the packageManager and the file hash like node-cache-{platform}-{packageManager}-{cachePrefix}-{fileHash(lockfile)}

Justification:

We work in a monorepo with yarn workspaces. In order to scope our yarn installs and cache, we use yarn workspaces focus with cache-dependency-path pointing to yarn.workspace.lock from https://github.com/MaintainX/yarn-plugin-workspace-lockfile

This means we have multiple workflows all saving and restoring caches for different file hashes.
Because we use yarn3, setup-node uses fallback restore keys.
Which means it frequently happens that 1 workflow will fallback on the cache from a totally different set of lockfiles, run yarn effectively download what's missing and grow the cache and save that cache back.

Somewhat related https://github.com/actions/setup-node/issues/1120

What happens is that our caches are constantly growing, over time including the whole monorepo's dependencies and more.
We tried to mitigate this by manually creating caches on push to master using actions/cache/save instead of setup-node so we wouldn't restore the cache making it a "fresh" cache.

Having a cache prefix that we control, we could give a semantic name for scopes of the monorepo allowing to avoid workflows to cross restore caches for a different yarn workspaces focus command

Are you willing to submit a PR?

Yes I'm willing to open a PR if this suggestion is accepted

主要语言
TypeScript
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环境准备

  • 没有 Dockerfile 或 Docker Compose 文件
  • 有 Pull Request 模板
  • 没有贡献指南

从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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