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add apphttphealthy,netreach and netdns usage doc (#123)
Signed-off-by: ii2day <ji.li@daocloud.io>
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# kdoctor | ||
[![Auto Release Version](https://github.com/kdoctor-io/kdoctor/actions/workflows/auto-release.yaml/badge.svg)](https://github.com/kdoctor-io/kdoctor/actions/workflows/auto-release.yaml) | ||
[![Auto Nightly CI](https://github.com/kdoctor-io/kdoctor/actions/workflows/auto-nightly-ci.yaml/badge.svg)](https://github.com/kdoctor-io/kdoctor/actions/workflows/auto-nightly-ci.yaml) | ||
[![codecov](https://codecov.io/gh/kdoctor-io/kdoctor/branch/main/graph/badge.svg?token=rLmsuiBLM2)](https://codecov.io/gh/kdoctor-io/kdoctor) | ||
[![Go Report Card](https://goreportcard.com/badge/github.com/kdoctor-io/kdoctor)](https://goreportcard.com/report/github.com/kdoctor-io/kdoctor) | ||
[![CodeFactor](https://www.codefactor.io/repository/github/kdoctor-io/kdoctor/badge)](https://www.codefactor.io/repository/github/kdoctor-io/kdoctor) | ||
![badge](https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/ii2day/0300d0a99d701fec02909d843792e67d/raw/e2ereport.json) | ||
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*** | ||
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**简体中文** | [**English**](./README.md) | ||
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## Introduction | ||
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kdoctor 是一个 kubernetes 数据面测试项目,通过压力注入的方式,实现对集群进行功能、性能的主动式巡检。 | ||
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传统的集群巡检,通过采集指标、日志、应用状态等信息来确认集群和应用的状态,实现被动式巡检。但是在一些特殊场景下,这种方式可能不能实现预期的巡检目的、时效性、集群范围,运维人员就需要采用手动方式给集群注入一些压力,进行主动式巡检,当集群规模很大、巡检频率高或巡检流程复杂时,手工方式难以持久实施。这些场景包括: | ||
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* 部署大规模集群后,希望确认所有节点间 POD 的网络连通性,避免某个节点存在网络故障,发现网络中是否存在偶发丢包问题,而通信渠道非常多,包括 pod IP、clusterIP、nodePort、loadbalancer ip、ingress ip, 甚至是 POD 多网卡、双栈IP | ||
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* 希望主动检测所有节点间上的 POD 能够正常访问 coredns 服务,希望确认 coredns 服务的资源配置和副本数量正确,其服务性能能欧支持预期的最大访问量 | ||
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* 磁盘是易耗品,例如 etcd 等应用对磁盘性能是比较敏感的,在日常运维工作中,管理员希望周期地确认所有节点的本地磁盘是正常的,文件读写的吞吐量和延时是符合预期的 | ||
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* 给某个服务主动注入压力,它可能是镜像仓库、mysql 或者 api-server,以配合 BUG 复现,或确认服务性能 | ||
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kdoctor 是一个 kubernetes 数据面测试项目,来源于生产运维过程中的实践场景,通过压力注入的方式,实现对集群进行功能、性能的主动式巡检。 kdoctor 可以应用于: | ||
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* 生产环境的部署检查、日常运维等场景,能避免了人工巡检的工作负担。 | ||
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* 能应用 E2E 测试、bug 复现、混沌测试等,减少编程工作。 | ||
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## 架构 | ||
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## 快速开始 | ||
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## 核心功能 | ||
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## License | ||
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kdoctor is licensed under the Apache License, Version 2.0. See [LICENSE](./LICENSE) for the full license text. |
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# AppHttpHealthy | ||
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[**简体中文**](./apphttphealthy-zh_CN.md) | **English** |
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# netdns | ||
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[**简体中文**](./netdns-zh_CN.md) | **English** |
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# NetReach | ||
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[**简体中文**](./netreach-zh_CN.md) | **English** |
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