Is it possible in Jenkins to save npm packages in order to avoid having to reinstall them for every build process?

Utilizing Jenkins (CloudBees) for my project's building process involves running scripts to download node packages using npm during each build. However, a recent issue with the npm registry server caused disruptions in the project's build cycle.

To avoid reliance on external servers, I am seeking a solution to store my node_modules folder within Jenkins so that it does not need to be downloaded for every build. Is there a way to achieve this?

Answer №1

To ensure smooth building process, it is recommended to regularly check the contents of the package.json file and create backups of the node_modules directory.

When initiating a new build in Jenkins, simply verify the package.json file and node_modules backup. If the package.json file remains unchanged, you can utilize the previous backup without any issues.

PKG_SUM=$(md5sum package.json|cut -d\  -f 1)
CACHED_FILE=${PKG_SUM}.tgz
[[ -f ${CACHED_FILE} ]] && tar zxf ${CACHED_FILE}
npm install
[[ -f ${CACHED_FILE} ]] || tar zcf ${CACHED_FILE} node_moduels

The above code snippet represents a straightforward cache implementation. Otherwise, it is crucial to validate that the cache file has not been corrupted or damaged in any way.

Answer №2

At CloudBees, we utilize a pool of worker nodes to facilitate your project builds. Since builds can be assigned to different hosts, it is recommended to begin with a clean workspace. However, we make an effort to assign a worker node that you have previously used to minimize any potential delays in downloading files stored in the workspace.

However, I do not believe this approach would have resolved the issue related to the npm repository being offline.

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