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[FR] Auto-retry FCM requests that failed due to an internal error (messaging/internal-error)

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评估

难度
3/5
预计耗时
1-2 天
新手友好度
35/100
Issue 类型
功能
描述清晰度
基本清楚
活跃度
停滞
领域
api, backend

调研方向

从 src/utils/api-request.ts 中 issue 所引用的重试处理开始,然后查看 Firebase Cloud Messaging 的重试指南和 pull request #1739。此更改应涵盖 messaging/internal-error 响应,并更新默认重试配置或允许自定义重试配置。

由索引模型根据 Issue 内容生成。

描述

needs-triage type: feature request

Is your feature request related to a problem? Please describe.
Our Sentry has captured about 20,000 messaging/internal-error errors. This means that due to some internal FCM error, we haven't sent 20,000 push notifications to our users.

Describe the solution you'd like
FCM documentation recommends retrying such requests. https://firebase.google.com/docs/cloud-messaging/send-message#admin.

Currently, the library retries 503 requests but not 500 (messaging/internal-error returns 500) https://github.com/firebase/firebase-admin-node/blob/b5c4f5ae551249b64632baf2ece7b5c594a1965f/src/utils/api-request.ts#L202

It would be nice to change the default retry configuration or allow library users to use their own retry configs. It seems the solution is already implemented in https://github.com/firebase/firebase-admin-node/pull/1739 but stuck in review phase for 2 years.

Describe alternatives you've considered
I considered writing a custom wrapper around the FCM error, but it appears that FCM doesn't expose the Retry-After header, making it unclear how long the wrapper should wait before making another request.

Additionally, copying and pasting the same wrapper in each project that uses FCM is a very frustrating experience

主要语言
TypeScript
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5 天 6 小时
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  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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