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If there is no way to easily hide a feature which is only partially built, feature toggles can be used. Not only can feature toggles hide a partially built feature, they also allow developers to complete development and testing of new functionality but defer its activation until a specific date. ETL solutions typically integrate source and target systems which are not within the control of the development team. Changes to source and target schemas have to be carefully coordinated to ensure that ETL processes are compatible. Using feature toggles, DataStage developers can build, test and deploy changes for source and target changes but only switch them on in production when the source/target changes are deployed.
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When a Git commit is used as the branch point for a new release, the same Git commit can be deployed to the maintenance DataStage Project (Maint in the diagram) via the CI/CD Pipeline. The deployment would use the same deployment tools as all other deployments in the CI/CD Pipeline. The time required to perform a maintenance deployment will be directly proportionate to the number of changes on the Trunk since the last release.
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