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IF Branch Plugin

Work in Progress

This plugin is currently under development and may undergo significant changes. For more details, see the proposal issue here.

Plugin Overview

Leveraging the IF framework's extensibility, the IF Branch Plugin introduces conditional input duplication. It scans the manifest's component-config for the branch-on directive, which dictates the creation of input variants based on specified fields and their new values.

For instance, to branch on the region field, the manifest's component-config would be:

plugins:
  branch-on:
    path: if-branch-plugin
    method: Branch
...
tree:
  children:
    child-1:
      pipeline:
        - branch-on
      config:
        branch-on:
          region:
            - uk-north

Upon execution, the plugin will process each input, checking for the presence of branch-on fields. When a match is found, it duplicates the input, substituting the original value with each listed in branch-on, thus expanding the input set for diverse scenario testing.

Example manifests can be found in /manifests and tested with run.sh (described below).

Demo

Branch Plugin Demo Video (last updated: Apr 8, 2024)

Testing with run.sh

To test sample manifests using run.sh, follow these steps:

  1. Ensure you have npm, jq, and yq installed on your system.
  2. Place your manifest file in an accessible directory.
  3. Run the script with the path to your manifest file as an argument:
./run.sh path/to/manifest.yml

Output will be saved to /outputs/<manifest-name>.yml