Flagr Feature Flags Extension

Precondition to control the execution of a changelog or changeset based on the state of the feature flag in Flagr.

Supported Editions

Liquibase Open Source, Liquibase Pro

Installation

The easiest way to install this extension is with lpm liquibase package manager.

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lpm update
lpm add flagr

Setup

URL is required for the extension to locate the Flagr API.

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--flagr-url=PARAM
     URL for Flagr API
     (liquibase.flagr.url)
     (LIQUIBASE_FLAGR_URL)
     [deprecated: --flagrUrl]

Usage

To use this extension, add the flagrFeatureFlag precondition to your Changelog or Changeset with an enabledFlags attribute. The value for enabledFlags is either a string with one feature flag key or a comma separated string with multiple feature flag keys. All feature flags must be enabled for the precondition to pass.

Example

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databaseChangeLog:
  -  preConditions:
     -  flagrFeatureFlag:
          enabledFlags: changelog-testing

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<changeSet id="1" author="example">
    <preConditions>
        <ext:flagrFeatureFlag enabledFlags="changelog-testing"/>
    </preConditions>
    ...
</changeSet>

Feedback and Issues

Please submit all feedback and issues to this idea board.