pipeline-variable-management

DevOps & Security

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处理 BK-CI 流水线变量时使用，例如变量生命周期、运行时传递、跨任务更新、字段扩展和 YAML 与内部模型转换。当用户要改变量主链路而不是普通流水线步骤时优先使用。

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Source SKILL.md: https://github.com/TencentBlueKing/bk-ci/blob/HEAD/ai/skills/pipeline-variable-management/SKILL.md

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流水线变量管理

适用场景

理解变量从配置到运行时的完整流转
修改变量初始化、存储、继承或更新逻辑
扩展变量字段、变量类型或模型转换
排查变量传递、作用域或兼容性问题

不适用场景

只是修改流水线模板或 YAML 结构
只是修改插件定义，不涉及变量主链
只是处理普通前端表单展示

快速指导

这个 skill 关注的是“变量如何定义、落库、传递和演化”，不是一般参数使用说明。
变量问题通常分成两类：
- 生命周期与运行时流转：reference/1-lifecycle.md
- 字段扩展与模型转换：reference/2-extension.md
排查变量问题时先判断是定义期问题，还是构建运行期问题。
改字段时要同时看内部模型、YAML 模型、转换器和兼容性。
如果变量变化影响流水线模型或 YAML 输入输出，再联动看 pipeline-model-architecture 和 yaml-pipeline-transfer。

高信号规则

变量既是配置数据，也是运行时状态的一部分
生命周期链路和字段扩展链路经常被混在一起，排查时要先拆开
新字段不是只加模型类，还要考虑转换、前后端和历史数据

关键陷阱

把运行期变量问题误判成模型字段问题
只改一个模型，不改转换器或兼容逻辑
只验证新构建，不验证历史数据和旧流水线