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Copilot AI commented Dec 7, 2025

Created a detailed user-facing troubleshooting guide in Chinese based on comprehensive codebase analysis, covering all credential types, error scenarios, and resolution strategies.

Document Structure

  • Project Overview: Core capabilities, credential types (AccessKey, STS, ECS RAM Role, OIDC, etc.), and typical deployment scenarios
  • Prerequisites: OS/Python version requirements (≥3.7), dependencies, network/permission requirements
  • Quick Start: Installation via pip, configuration examples (env vars, config files), verification with expected outputs
  • FAQ (29 items): Problem-cause-solution format covering:
    • Credential type errors and default chain failures
    • Environment variable and config file issues (missing, empty, malformed)
    • ECS metadata service problems (IMDSv1/v2, disabled service, network)
    • RAM Role ARN and OIDC failures (missing params, STS errors, token file issues)
    • Credentials URI response format and connectivity
    • Async operations, Python compatibility, thread safety
    • Network timeouts, proxy configuration, logging
    • Credential refresh/cache mechanics
    • Kubernetes OIDC setup, Windows paths, offline environments
  • Best Practices: Security (no hardcoded keys, minimal permissions), performance (singleton pattern, caching), monitoring

FAQ Example

Each item links error messages to specific code paths:

Q8: ECS 元数据服务无法访问

CredentialException: Failed to get RAM session credentials from ECS metadata service. HttpCode=404

Root cause: Instance not bound to RAM role, or metadata service (100.100.100.200) unreachable
Solutions: Verify role binding, check security group rules, test metadata endpoint accessibility, specify role_name to reduce requests

All issues derived from actual exception handling in ecs_ram_role.py, ram_role_arn.py, oidc.py, uri.py, profile.py, cli_profile.py, and test cases.

File

  • USER_GUIDE_CN.md: 1,430 lines of troubleshooting documentation
Original prompt

请全面、深入地阅读当前项目的全部源代码(包括但不限于 README、配置文件、脚本、构建文件、测试用例等,不限于 Python,可能包含 JavaScript、Go、Java、C++、Shell、YAML、JSON 等任意语言或格式),准确理解项目的功能逻辑、架构设计、依赖关系、运行机制及使用方式。

基于对代码的完整分析,请撰写一份面向终端用户的说明文档,核心目标是帮助用户在部署、配置和使用该项目时快速识别、理解并解决常见问题

文档需包含以下部分,并以 Markdown 格式输出:

  1. 项目简介
    简要说明项目用途、核心能力及典型应用场景。

  2. 使用前提与环境要求
    明确列出运行该项目所必需的:

    • 操作系统要求(如 Linux/macOS/Windows 版本)
    • 运行时环境(如 Node.js、Python、JDK、.NET、Docker 等)及其最低版本
    • 系统依赖(如特定库、命令行工具、内核特性等)
    • 网络或权限要求(如需要外网访问、root 权限、API 密钥等)
  3. 快速开始指南
    提供清晰、可复现的步骤,包括:

    • 安装/构建方法(如 npm install、make、go build、docker-compose up 等)
    • 配置说明(如环境变量、配置文件模板)
    • 启动与验证命令(附带预期输出示例)
  4. 常见问题解答(FAQ) —— 重点部分
    请基于代码中所有可能引发失败或异常的逻辑路径,主动推断用户在真实使用中可能遇到的问题,并以问答形式详尽列出。每个问题应包含:

    • 问题现象:用户可能看到的错误信息、程序行为异常或日志内容(可引用具体报错)
    • 根本原因:结合代码逻辑说明为何会出现此问题(如:未处理空输入、配置字段缺失、文件路径硬编码、权限检查失败、超时阈值过小、特定平台不兼容等)
    • 解决方案或规避建议:提供具体、可操作的修复步骤或最佳实践

    特别注意:

    • 重点关注所有异常处理分支(如 try/catch、panic/recover、if err != nil、assert、错误码返回、日志警告等)
    • 分析边界条件、非法输入、缺失依赖、环境差异等易错场景
    • 即使官方文档或 README 未提及,只要代码中存在潜在使用陷阱,就必须纳入 FAQ
    • 测试test case通常也是为了验证代码及异常分支,也需要重点分析

文档语言应简洁明了、面向用户,避免堆砌技术细节,重点突出“问题—原因—解决”链条,确保非开发者也能理解并操作。

最终输出必须为结构清晰、排版规范的 Markdown 文档。


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Copilot AI self-assigned this Dec 7, 2025
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Copilot AI changed the title [WIP] Add user documentation for deployment and configuration Add comprehensive user troubleshooting guide (USER_GUIDE_CN.md) Dec 7, 2025
Copilot AI requested a review from CodeSpaceiiii December 7, 2025 02:33
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