Multi-Version Code Packaging for Independent Release Schedules
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Solution Overview
Problem
Existing release engineering methods face challenges in accommodating variations in development, testing, and release schedules of interdependent components within a codebase, often requiring cumbersome branching, separate repositories, or refactoring, which complicate workflows and coordination between teams.
Innovation Solution
The system allows for packaging multiple versions of a logical segment of a codebase and controlling the execution of a specified version, enabling independent development and testing of interdependent components from a single source code repository, using configuration information to determine which versions to package and deploy based on user accounts or cohorts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple versions of interdependent components are packaged together, then independent development and testing timelines are enabled, but package size and complexity increase
Solution Approach 1:
The codebase is segmented into logical segments or modules that can be independently versioned and packaged. Each segment can have its own development and testing timeline while being contained within a unified package structure that manages dependencies automatically.
Solution Approach 2:
Multiple versions of logical segments are nested within a single package container. The package structure allows hierarchical organization where different versions of components are contained together with their dependency relationships preserved, enabling selective execution of specific versions.
2Ease of operation
If a single executable file contains multiple versions, then deployment simplicity is improved, but execution control complexity increases
Solution Approach 1:
The executable file is designed with dynamic version selection capabilities. Configuration information stored within the package enables the system to dynamically determine which version of each logical segment to execute based on runtime conditions, user preferences, or dependency requirements, without requiring manual intervention.
Solution Approach 2:
Configuration information acts as an intermediary layer between the multiple versions contained in the package and the execution engine. This intermediary stores metadata about available versions and their dependencies, enabling automated resolution of which version to execute without increasing user-facing complexity.
3Adaptability or versatility
If interdependent components have different release schedules, then development flexibility is improved, but integration coordination difficulty increases
Solution Approach 1:
Configuration information is prepared in advance during the packaging process, containing all necessary metadata about component versions, dependencies, and compatibility relationships. This preliminary action enables the build system to automatically resolve integration requirements without real-time coordination between development teams working on different schedules.
Solution Approach 2:
The package structure incorporates dependency tracking and version compatibility information that provides feedback to the build system. When components are packaged with different versions, the system uses this feedback to automatically determine compatible combinations and resolve integration issues without manual coordination.
Data Source
AI summary
Source code of a logical segment of a codebase can be isolated from other portions of the codebase yet the logical segment and the other portions may have mutual dependencies. Packaging multiple versions of the logical segment and the other portions of the codebase to be compilable as a single binary file can simplify the development, testing, and release work flows of the codebase. For example, development, evaluation, and deployment of the logical segment and the other portions of the code base can run on different schedules. As another example, a provider of the codebase can control which version of the logical segment computing devices execute.