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[WIP] fix: add script to install node_modules in mounted mfes #232

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@hinakhadim hinakhadim commented Oct 31, 2024

WIP -> The jobs run on tutor dev only

Description

These code changes introduce improvements to the Tutor MFE (Micro-Frontend) plugin by adding automation and efficiency for managing and running tasks in environments where MFEs are mounted. When MFEs are mounted, it will run npm clean-install as part of the run tutor dev launch. The "mfe" init task npm-install.sh is taking care of installing the node_modules, as it is done in the LMS

Test Cases:

  • It will run the npm-install script when MFEs are implicitly and expicitly mounted using the Tutor format: tutor mounts add $(pwd)/frontend-app-* & tutor mounts add [mfe-name]:$(pwd)/frontend-app-*:/openedx/app.
  • The job should run for all mounted MFEs
  • The job will run only in tutor dev, not tutor local, as MFEs mount only in tutor dev environment.
  • If no node_modules are present, it should install node_modules.
  • If the node_modules directory exists but is empty or outdated, it should install node_modules.
  • If the package-lock.json file changes slightly, it should trigger reinstallation of node_modules.
  • If node_modules are installed and then reinstallation is attempted without changes to package-lock.json, it should not reinstall node_modules.

Closes #218

Special thanks to @Danyal-Faheem for collaborating with me on this and helping to reach a solution. 🙌

@hinakhadim hinakhadim added the bug Something isn't working label Oct 31, 2024
@hinakhadim hinakhadim marked this pull request as draft October 31, 2024 11:48
@hinakhadim hinakhadim changed the title fix: add script to install node_modules in mounted mfes [WIP] fix: add script to install node_modules in mounted mfes Oct 31, 2024
def _run_jobs_in_mounted_mfes(config: Config) -> None:
mounts = get_typed(config, "MOUNTS", list, [])

pattern = re.compile(r'frontend-app-(\w+)')
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We can use the REPO_PREFIX variable defined above here instead of a hardcoded string.

@tutor_hooks.Actions.CONFIG_LOADED.add()
def _run_jobs_in_mounted_mfes(config: Config) -> None:
mounts = get_typed(config, "MOUNTS", list, [])

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We can return here if no mounts exist in the config.

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+1

@@ -0,0 +1,11 @@
{%- for app_name, app in iter_mfes() %}
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why is this patch needed?

pattern = re.compile(r'frontend-app-(\w+)')
mounted_mfes = [match.group(1) for mount in mounts if (match := pattern.search(mount))]

mfe_task_file = os.path.join(
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mfe_npm_install could be a better name as this action is related only to npm install.

sha1sum "$PACKAGE_LOCK" | awk '{print $1}'
}

# Check if node_modules exists and fingerprint is valid
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this comment can be broken down and mentioned against the appropriate if-elif-else block.

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Mounted MFEs with node_modules missing fail to start the server
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