Card Pipeline Deployment for Service Release Control
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Solution Overview
Problem
Service and library teams often lack control over the product life-cycle, gradual release, rollback, monitoring, and deprecation of software, due to mixed ownership responsibilities, leading to compatibility risks and challenges in managing software updates.
Innovation Solution
Implementing an end-to-end deployment pipeline that allows for the independent deployment of 'cards' - units of source code - using a card deployment module, which enables gradual rollouts, auto-rollback, and monitoring, decoupling execution and routing layers, and utilizing triggers like internal pipelines, GUI/CLI for manual control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If centralized deployment control is implemented, then deployment consistency is improved, but service and library teams lose ownership and control over their product life-cycle
Solution Approach 1:
The deployment system is segmented into multiple independent pipeline entities, each responsible for specific service or library teams. This allows centralized coordination while granting individual teams ownership control over their own deployment pipelines, resolving the contradiction between consistency and team autonomy.
Solution Approach 2:
A centralized deployment orchestrator acts as an intermediary between individual team pipelines and the overall deployment infrastructure. This mediator coordinates deployments across teams while allowing each team to maintain control over their own release processes, balancing centralized consistency with team-level ownership.
2Reliability
If gradual release and rollback control are enabled, then deployment reliability is improved, but deployment process complexity increases
Solution Approach 1:
The system performs preliminary actions by creating canary deployments and monitoring configurations before full releases. This allows gradual release and automated rollback capabilities to be prepared in advance, improving reliability while keeping the actual deployment process simple through automation.
Solution Approach 2:
Automated monitoring and feedback mechanisms track deployment health metrics in real-time, enabling automatic rollback decisions without manual intervention. This feedback loop improves deployment reliability while reducing the perceived complexity by automating the control processes.
3Productivity
If service and library teams are empowered with independent deployment control, then team productivity is improved, but compatibility risks increase
Solution Approach 1:
Each service and library team's deployment pipeline is configured with specific compatibility rules and monitoring parameters tailored to their particular software. This local customization allows teams to maintain high productivity while each pipeline enforces appropriate compatibility checks for its specific context.
Solution Approach 2:
Manual compatibility verification processes are replaced with automated monitoring and testing systems that continuously check for compatibility issues. This substitution enables teams to deploy independently with high productivity while automated systems detect and prevent compatibility problems.
Data Source
AI summary
Systems and methods as described herein may relate to the use of card pipelines in the deployment of a service and/or library change. Cards may, for example, include code and/or run-time systems that utilize the service/library component. A system such as a release controller may detect a change to a service/library component that is utilized by a plurality of cards, trigger a card pipeline to cause the execution of one or more tests, and if a test failure is attributable to the change to the service component, halt the deployment of the card pipeline, a second card pipeline (e.g., being deployed and/or tested in parallel). The order in which the card pipelines are exercised may be determined based on card quality scores generated based on quality metrics collected in association with operation of the cards over time.