[release-4.22] CONSOLE-5011: migrate to yarn berry

[logonoff]

This PR (and its "backports" all the way to 4.12) aim to perform the mandatory migration from yarn classic to yarn berry (of the v4 variety).

Changes

See #15995 for some preparatory work that was done from 4.12 to 4.18.

Note: the list of changes are descriptive for all backport PRs. Some of these changes may not apply to every backport.

• Update Dockerfiles to install corepack instead of yarn v1
• In dynamic-demo-plugin, symlink .yarnrc.yml and the .yarn/releases folder to reduce config duplication
• Update relevant package.json scripts to have syntax compatible with yarn berry
• Update check-patternfly-modules script to use new yarn berry parsing package
• Replace custom yarn dedupe stuff with the yarn berry-provided version
• Yarn config:
  • Disable postinstall scripts except for cypress and our own
  • Enforce all dependencies must be at least 3 days old to reduce exposure to zero-days, bugs, and malware
• Update README, .gitignore, .gitattributes
  • Minimum version of nodejs is now 22 due to Dockerfile changes and Yarn version
• Demo plugin uses portal instead of file now
• Removed update-patternfly.sh because PatternFly no longer consistently has all libraries to the same version
• Updated .yarn/releases to point to yarn v4. Note that this is for installations (e.g., tectonic-console-builder:v29) which already have yarn classic installed globally. They will read this updated binary and automatically run yarn berry. We can remove this when our builder image switches fully over to corepack

How to set up your computer

Note that you may want to remove yarn classic when setting up your computer to use yarn berry. Here's how to update your system to use it:

• Remove any current installations of yarn: e.g., dnf remove yarnpkg, npm uninstall -g yarn, brew uninstall yarn
• install corepack: npm i -g corepack (node ships with an older version)
• enable corepack: corepack enable (note that corepack also works with our repo pre-yarn berry adoption, it will run yarn classic as needed)
• run yarn in console/frontend directory. accept any prompts when it asks to download yarn 4.12.0

Possible test cases

• Every script in every package.json now works the same as before
• Dockerfile.builder can build console, Dockerfile builds console frontend/backend, Dockerfile.plugins.demo builds demo plugin.
  • Note Dockerfile.product.nodejs does not but that is due to an outdated node version. Let's delete it in a follow up
• No .git folder in frontend is created ever
• All scripts in repo root (build.sh, etc.) work fine on an initial repo state, switching branches, etc.

Backports

• [release-4.21] CONSOLE-5011: migrate to yarn berry #16059 4.21

[openshift-ci-robot]

@logonoff: This pull request references CONSOLE-5011 which is a valid jira issue.

Warning: The referenced jira issue has an invalid target version for the target branch this PR targets: expected the story to target the "4.22.0" version, but no target version was set.

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spike

/hold

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[coderabbitai]

📝 Walkthrough

Walkthrough

This pull request upgrades the project from Yarn v1 (Classic) to Yarn v4 (Berry) and introduces Corepack as the package manager version manager. Changes include: updating configuration files to use .yarnrc.yml instead of .yarnrc, adding Yarn v4 binary paths to git configuration, modifying Dockerfiles to bootstrap Corepack instead of Yarn, updating package.json files with packageManager fields and portal: protocol dependencies, converting npm scripts to use Yarn v4 commands (e.g., yarn up, yarn dedupe), adjusting Cypress test scripts with non-assignment parameter defaults, splitting build compilation into parallel tasks, and updating package lock file parsing to use @yarnpkg/parsers.

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: migration from Yarn classic (v1) to Yarn Berry v4, with the release branch and Jira issue reference providing proper context.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Merge Conflict Detection	✅ Passed	✅ No merge conflicts detected when merging into main
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

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AI is wrong, can't use wait in CI

command not found: wait

/verified by CI

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[logonoff]

changes are critical to meet impending deadline

/label acknowledge-critical-fixes-only

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Let's get some additional verification

/verified cancel
/verified later @yapei

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/verified remove

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[vojtechszocs]

Does Yarn Berry yarn install fill the missing node_modules/@openshift-console/* packages while other node_modules/* packages are still in place?

[logonoff]

Yes

console/dynamic-demo-plugin$ rm -rf node_modules/@openshift-console && yarn

➤ YN0000: · Yarn 4.12.0
➤ YN0000: ┌ Resolution step
➤ YN0000: └ Completed in 0s 603ms
➤ YN0000: ┌ Post-resolution validation
➤ YN0086: │ Some peer dependencies are incorrectly met by dependencies; run yarn explain peer-requirements for details.
➤ YN0000: └ Completed
➤ YN0000: ┌ Fetch step
➤ YN0000: └ Completed in 2s 85ms
➤ YN0000: ┌ Link step
➤ YN0072: │ The application uses portals and that's why --preserve-symlinks Node option is required for launching it
➤ YN0000: └ Completed in 2s 159ms
➤ YN0000: · Done with warnings in 5s 69ms

console/dynamic-demo-plugin$ ls node_modules/@openshift-console/

dynamic-plugin-sdk  dynamic-plugin-sdk-webpack

[vojtechszocs]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: logonoff, rhamilto, vojtechszocs

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Test name	Commit	Details	Required	Rerun command
ci/prow/backend	635307d	link	unknown	/test backend

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