Reverse Substitution Map for Cloud Pipeline Template Synchronization
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Solution Overview
Problem
Existing pipeline deployment systems in cloud computing environments face challenges in propagating changes made to a pipeline instance back to the corresponding template, leading to synchronization issues and manual error-prone processes, especially when dealing with multiple targets and frequent changes.
Innovation Solution
A system generates a reverse substitution map to associate actual values in a modified pipeline instance with templating expressions, allowing the reconstruction of a modified pipeline template that can be used to generate updated pipeline instances for different targets, thereby automating the propagation of changes across multiple pipeline instances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If pipeline templates are used to generate pipelines for different targets, then deployment efficiency is improved, but synchronization between templates and pipeline instances deteriorates when manual editing is performed
Solution Approach 1:
The system implements automatic feedback by detecting changes in pipeline instances and propagating them back to the template. When a pipeline instance is modified, the system automatically updates the template with the changes, ensuring synchronization without manual intervention. This feedback mechanism resolves the contradiction by maintaining reliability while preserving the productivity benefits of template-based deployment.
Solution Approach 2:
The pipeline system performs self-service by automatically detecting modifications to pipeline instances and propagating these changes back to the template. This self-updating mechanism eliminates the need for manual template updates, maintaining synchronization consistency while preserving deployment efficiency. The system serves itself by automatically managing the template-pipeline synchronization.
2Ease of operation
If manual editing of pipeline instances is allowed, then operational flexibility is improved, but error propagation and manual effort increase
Solution Approach 1:
The system introduces an intermediary mechanism that automatically detects changes in pipeline instances and propagates them to the template. This intermediary process eliminates the need for manual change propagation, reducing errors and complexity while preserving operational flexibility. The automatic mediation between pipeline instances and templates resolves the contradiction by handling the propagation task without human intervention.
3Manufacturing precision
If pipelines are customized for specific targets, then deployment precision is improved, but adaptability to new targets deteriorates
Solution Approach 1:
The system performs preliminary action by maintaining a parameter mapping between templates and pipeline instances that tracks which parameters are customizable per target. This preliminary setup enables precise deployment to specific targets while preserving the ability to adapt to new targets, as the mapping structure allows systematic parameter substitution without requiring complete pipeline recreation.
Solution Approach 2:
The system utilizes parameter changes by allowing specific parameters to be customized for different targets while maintaining the overall pipeline structure. The parameter mapping mechanism enables precise control over which parameters are target-specific versus template-level, improving deployment precision for known targets while maintaining adaptability to new targets through systematic parameter substitution.
Data Source
AI summary
A system uses templates to generate data structures, for example, pipelines for deploying services in cloud based system. A template contains templating expressions used as placeholders for actual values. The generated data structure may be modified, for example, using an application. The system generates a reverse substitution map that associates actual values used in a data structure instance with a corresponding templating expression used as placeholders for the actual values. The system generates a modified version of the template for a modified version of the data structure by replacing actual values with the corresponding templating expressions from the reverse substitution map. The system can use the modified template to generate other instances of data structure that include the modifications made to the data structure.