opensearch-project / opensearch-project/data-prepper

Add option to shut down and fail data prepper when any sub-pipelines are invalid

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bug
Dominant language
Java
Stars
374
Forks
354
Avg merge
3d 18h
Merged PRs (30d)
8

Description

Is your feature request related to a problem? Please describe.
The default behavior of Data Prepper core is to only shut down when no sub-pipelines are valid. This can lead to a confusing user experience, as someone who wants all sub-pipelines to be running correctly for data prepper to start.

Describe the solution you'd like
An optional parameter in the data-prepper-config.yaml to change this behavior to fail to start Data Prepper when any of the sub-pipelines are not configured properly. This would then throw an exception that stops Data Prepper when any sub-pipelines are misconfigured.

fail_on_any_sub_pipeline_failure: true // defaults to false

Describe alternatives you've considered (Optional)
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing how data-prepper-config.yaml is parsed and how invalid sub-pipelines affect Data Prepper startup. Determine where the optional fail_on_any_sub_pipeline_failure setting belongs, then follow the existing startup validation tests if present. Done means the default behavior remains unchanged and enabling the option stops startup when any sub-pipeline is invalid.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
backend, data-engineering
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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