Backstage解析API组件definition元素时抛出TypeError错误求助
Backstage API实体验证错误解决方法
问题场景
处理以下API组件时出现验证错误:
apiVersion: backstage.io/v1alpha1 kind: API metadata: name: angry-cats-api description: Lethal cats here spec: type: openapi lifecycle: production owner: user:guest definition: $yaml: https://github.com/anywhereinfo/openapi/blob/main/angrycats.yml
错误信息
BuiltinKindsEntityProcessor 在验证实体 api:default/angry-cats-api 时抛出错误;触发原因:TypeError: /spec/definition must be string - type: string
at DefaultLocationService.processEntities
解决方法
- 错误原因:
spec.definition字段在Backstage的API实体规范中要求为字符串类型,但当前配置写成了嵌套的$yaml对象结构,不符合格式要求。 - 修正方案:直接将OpenAPI定义的URL作为字符串赋值给
definition字段,同时修正metadata下description的缩进问题(原YAML缩进不一致会引发解析异常):
apiVersion: backstage.io/v1alpha1 kind: API metadata: name: angry-cats-api description: Lethal cats here spec: type: openapi lifecycle: production owner: user:guest definition: https://github.com/anywhereinfo/openapi/blob/main/angrycats.yml
内容的提问来源于stack exchange,提问作者Jimm
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