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< title > StatefulSet · Kubernetes Handbook - Kubernetes中文指南/云原生应用架构实践手册 by Jimmy Song(宋净超)< / title >
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< a href = "https://jimmysong.io" target = "_blank" class = "custom-link" > 回到主页< / a >
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< a href = "https://jimmysong.io/awesome-cloud-native" target = "_blank" class = "custom-link" > Awesome Cloud Native< / a >
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< a href = "https://cloudnative.to" target = "_blank" class = "custom-link" > 云原生社区< / a >
< / li >
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< a href = "https://cloudnativeindustryalliance.github.io/whitepaper2020/" target = "_blank" class = "custom-link" > 中国云原生发展白皮书2020< / a >
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< a href = "https://jimmysong.io/guide-to-cloud-native-app/" target = "_blank" class = "custom-link" > 云原生应用白皮书< / a >
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< li class = "divider" > < / li >
< li class = "header" > 前言< / li >
< li class = "chapter " data-level = "1.1" data-path = "../" >
< a href = "../" >
< b > 1.1.< / b >
序言
< / a >
< / li >
< li class = "header" > 云原生< / li >
< li class = "chapter " data-level = "2.1" data-path = "../cloud-native/cloud-native-definition.html" >
< a href = "../cloud-native/cloud-native-definition.html" >
< b > 2.1.< / b >
云原生（ ）
< / a >
< / li >
< li class = "chapter " data-level = "2.2" data-path = "../cloud-native/cloud-native-philosophy.html" >
< a href = "../cloud-native/cloud-native-philosophy.html" >
< b > 2.2.< / b >
云原生的设计哲学
< / a >
< / li >
< li class = "chapter " data-level = "2.3" data-path = "../cloud-native/play-with-kubernetes.html" >
< a href = "../cloud-native/play-with-kubernetes.html" >
< b > 2.3.< / b >
Play with Kubernetes
< / a >
< / li >
< li class = "chapter " data-level = "2.4" data-path = "../cloud-native/cloud-native-local-quick-start.html" >
< a href = "../cloud-native/cloud-native-local-quick-start.html" >
< b > 2.4.< / b >
快速部署一个云原生本地实验环境
< / a >
< / li >
< li class = "chapter " data-level = "2.5" data-path = "../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html" >
< a href = "../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html" >
< b > 2.5.< / b >
使用 Rancher 在阿里云上部署 Kubenretes 集群
< / a >
< / li >
< li class = "chapter " data-level = "2.6" data-path = "../cloud-native/kubernetes-and-cloud-native-app-overview.html" >
< a href = "../cloud-native/kubernetes-and-cloud-native-app-overview.html" >
< b > 2.6.< / b >
Kubernetes 与云原生应用概览
< / a >
< / li >
< li class = "chapter " data-level = "2.7" data-path = "../cloud-native/from-kubernetes-to-cloud-native.html" >
< a href = "../cloud-native/from-kubernetes-to-cloud-native.html" >
< b > 2.7.< / b >
云原生应用之路 —— 从 Kubernetes 到 Cloud Native
< / a >
< / li >
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< li class = "chapter " data-level = "2.8" data-path = "../cloud-native/define-cloud-native-app.html" >
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< a href = "../cloud-native/define-cloud-native-app.html" >
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< b > 2.8.< / b >
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定义云原生应用
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< / a >
< ul class = "articles" >
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< li class = "chapter " data-level = "2.8.1" data-path = "../cloud-native/oam.html" >
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< a href = "../cloud-native/oam.html" >
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< b > 2.8.1.< / b >
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OAM
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< / a >
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< ul class = "articles" >
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< li class = "chapter " data-level = "2.8.1.1" data-path = "../cloud-native/workload.html" >
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< a href = "../cloud-native/workload.html" >
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< b > 2.8.1.1.< / b >
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Workload
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< / a >
< / li >
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< li class = "chapter " data-level = "2.8.1.2" data-path = "../cloud-native/component.html" >
< a href = "../cloud-native/component.html" >
< b > 2.8.1.2.< / b >
Component
< / a >
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< / li >
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< li class = "chapter " data-level = "2.8.1.3" data-path = "../cloud-native/trait.html" >
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< a href = "../cloud-native/trait.html" >
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< b > 2.8.1.3.< / b >
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Trait
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< / a >
< / li >
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< li class = "chapter " data-level = "2.8.1.4" data-path = "../cloud-native/application-scope.html" >
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< a href = "../cloud-native/application-scope.html" >
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< b > 2.8.1.4.< / b >
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Application Scope
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< / a >
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< / li >
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< li class = "chapter " data-level = "2.8.1.5" data-path = "../cloud-native/application-configuration.html" >
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< a href = "../cloud-native/application-configuration.html" >
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< b > 2.8.1.5.< / b >
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Application Configuration
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< / li >
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< / li >
< li class = "chapter " data-level = "2.8.2" data-path = "../cloud-native/crossplane.html" >
< a href = "../cloud-native/crossplane.html" >
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< b > 2.8.2.< / b >
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Crossplane
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< / a >
< / li >
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< / li >
< li class = "chapter " data-level = "2.9" data-path = "../cloud-native/cloud-native-programming-languages.html" >
< a href = "../cloud-native/cloud-native-programming-languages.html" >
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< b > 2.9.< / b >
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云原生编程语言
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< / a >
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< ul class = "articles" >
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< li class = "chapter " data-level = "2.9.1" data-path = "../cloud-native/cloud-native-programming-language-ballerina.html" >
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< a href = "../cloud-native/cloud-native-programming-language-ballerina.html" >
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< b > 2.9.1.< / b >
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云原生编程语言 Ballerina
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< / a >
< / li >
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< li class = "chapter " data-level = "2.9.2" data-path = "../cloud-native/cloud-native-programming-language-pulumi.html" >
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< a href = "../cloud-native/cloud-native-programming-language-pulumi.html" >
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< b > 2.9.2.< / b >
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云原生编程语言 Pulumi
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< / a >
< / li >
< / ul >
< / li >
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< li class = "chapter " data-level = "2.10" data-path = "../cloud-native/the-future-of-cloud-native.html" >
< a href = "../cloud-native/the-future-of-cloud-native.html" >
< b > 2.10.< / b >
云原生的未来
< / a >
< / li >
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< li class = "header" > 概念与原理< / li >
< li class = "chapter " data-level = "3.1" data-path = "./" >
< a href = "./" >
< b > 3.1.< / b >
Kubernetes 架构
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.1.1" data-path = "concepts.html" >
< a href = "concepts.html" >
< b > 3.1.1.< / b >
设计理念
< / a >
< / li >
< li class = "chapter " data-level = "3.1.2" data-path = "etcd.html" >
< a href = "etcd.html" >
< b > 3.1.2.< / b >
Etcd 解析
< / a >
< / li >
< li class = "chapter " data-level = "3.1.3" data-path = "open-interfaces.html" >
< a href = "open-interfaces.html" >
< b > 3.1.3.< / b >
开放接口
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.1.3.1" data-path = "cri.html" >
< a href = "cri.html" >
< b > 3.1.3.1.< / b >
CRI - Container Runtime Interface（ ）
< / a >
< / li >
< li class = "chapter " data-level = "3.1.3.2" data-path = "cni.html" >
< a href = "cni.html" >
< b > 3.1.3.2.< / b >
CNI - Container Network Interface（ ）
< / a >
< / li >
< li class = "chapter " data-level = "3.1.3.3" data-path = "csi.html" >
< a href = "csi.html" >
< b > 3.1.3.3.< / b >
CSI - Container Storage Interface（ ）
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< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.2" data-path = "networking.html" >
< a href = "networking.html" >
< b > 3.2.< / b >
Kubernetes 中的网络
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.2.1" data-path = "flannel.html" >
< a href = "flannel.html" >
< b > 3.2.1.< / b >
Kubernetes 中的网络解析 —— 以 flannel 为例
< / a >
< / li >
< li class = "chapter " data-level = "3.2.2" data-path = "calico.html" >
< a href = "calico.html" >
< b > 3.2.2.< / b >
Kubernetes 中的网络解析 —— 以 calico 为例
< / a >
< / li >
< li class = "chapter " data-level = "3.2.3" data-path = "cilium.html" >
< a href = "cilium.html" >
< b > 3.2.3.< / b >
具备 API 感知的网络和安全性管理开源软件 Cilium
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.2.3.1" data-path = "cilium-concepts.html" >
< a href = "cilium-concepts.html" >
< b > 3.2.3.1.< / b >
Cilium 架构设计与概念解析
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< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.3" data-path = "objects.html" >
< a href = "objects.html" >
< b > 3.3.< / b >
资源对象与基本概念解析
< / a >
< / li >
< li class = "chapter " data-level = "3.4" data-path = "pod-state-and-lifecycle.html" >
< a href = "pod-state-and-lifecycle.html" >
< b > 3.4.< / b >
Pod 状态与生命周期管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.4.1" data-path = "pod-overview.html" >
< a href = "pod-overview.html" >
< b > 3.4.1.< / b >
Pod 概览
< / a >
< / li >
< li class = "chapter " data-level = "3.4.2" data-path = "pod.html" >
< a href = "pod.html" >
< b > 3.4.2.< / b >
Pod 解析
< / a >
< / li >
< li class = "chapter " data-level = "3.4.3" data-path = "init-containers.html" >
< a href = "init-containers.html" >
< b > 3.4.3.< / b >
Init 容器
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< / li >
< li class = "chapter " data-level = "3.4.4" data-path = "pause-container.html" >
< a href = "pause-container.html" >
< b > 3.4.4.< / b >
Pause 容器
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< / li >
< li class = "chapter " data-level = "3.4.5" data-path = "pod-security-policy.html" >
< a href = "pod-security-policy.html" >
< b > 3.4.5.< / b >
Pod 安全策略
< / a >
< / li >
< li class = "chapter " data-level = "3.4.6" data-path = "pod-lifecycle.html" >
< a href = "pod-lifecycle.html" >
< b > 3.4.6.< / b >
Pod 的生命周期
< / a >
< / li >
< li class = "chapter " data-level = "3.4.7" data-path = "pod-hook.html" >
< a href = "pod-hook.html" >
< b > 3.4.7.< / b >
Pod Hook
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< / li >
< li class = "chapter " data-level = "3.4.8" data-path = "pod-preset.html" >
< a href = "pod-preset.html" >
< b > 3.4.8.< / b >
Pod Preset
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< / li >
< li class = "chapter " data-level = "3.4.9" data-path = "pod-disruption-budget.html" >
< a href = "pod-disruption-budget.html" >
< b > 3.4.9.< / b >
Pod 中断与 PDB（
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< li class = "chapter " data-level = "3.5" data-path = "cluster.html" >
< a href = "cluster.html" >
< b > 3.5.< / b >
集群资源管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.5.1" data-path = "node.html" >
< a href = "node.html" >
< b > 3.5.1.< / b >
Node
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< li class = "chapter " data-level = "3.5.2" data-path = "namespace.html" >
< a href = "namespace.html" >
< b > 3.5.2.< / b >
Namespace
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< li class = "chapter " data-level = "3.5.3" data-path = "label.html" >
< a href = "label.html" >
< b > 3.5.3.< / b >
Label
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< li class = "chapter " data-level = "3.5.4" data-path = "annotation.html" >
< a href = "annotation.html" >
< b > 3.5.4.< / b >
Annotation
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< li class = "chapter " data-level = "3.5.5" data-path = "taint-and-toleration.html" >
< a href = "taint-and-toleration.html" >
< b > 3.5.5.< / b >
Taint 和 Toleration（ ）
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< li class = "chapter " data-level = "3.5.6" data-path = "garbage-collection.html" >
< a href = "garbage-collection.html" >
< b > 3.5.6.< / b >
垃圾收集
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< li class = "chapter " data-level = "3.6" data-path = "controllers.html" >
< a href = "controllers.html" >
< b > 3.6.< / b >
控制器
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< li class = "chapter " data-level = "3.6.1" data-path = "deployment.html" >
< a href = "deployment.html" >
< b > 3.6.1.< / b >
Deployment
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< li class = "chapter active" data-level = "3.6.2" data-path = "statefulset.html" >
< a href = "statefulset.html" >
< b > 3.6.2.< / b >
StatefulSet
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< li class = "chapter " data-level = "3.6.3" data-path = "daemonset.html" >
< a href = "daemonset.html" >
< b > 3.6.3.< / b >
DaemonSet
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< li class = "chapter " data-level = "3.6.4" data-path = "replicaset.html" >
< a href = "replicaset.html" >
< b > 3.6.4.< / b >
ReplicationController 和 ReplicaSet
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< li class = "chapter " data-level = "3.6.5" data-path = "job.html" >
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< b > 3.6.5.< / b >
Job
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< li class = "chapter " data-level = "3.6.6" data-path = "cronjob.html" >
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< b > 3.6.6.< / b >
CronJob
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< li class = "chapter " data-level = "3.6.7" data-path = "horizontal-pod-autoscaling.html" >
< a href = "horizontal-pod-autoscaling.html" >
< b > 3.6.7.< / b >
Horizontal Pod Autoscaling
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< li class = "chapter " data-level = "3.6.7.1" data-path = "custom-metrics-hpa.html" >
< a href = "custom-metrics-hpa.html" >
< b > 3.6.7.1.< / b >
自定义指标 HPA
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< b > 3.6.8.< / b >
准入控制器（ ）
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< li class = "chapter " data-level = "3.7" data-path = "service-discovery.html" >
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< b > 3.7.< / b >
服务发现
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.7.1" data-path = "service.html" >
< a href = "service.html" >
< b > 3.7.1.< / b >
Service
< / a >
< / li >
< li class = "chapter " data-level = "3.7.2" data-path = "ingress.html" >
< a href = "ingress.html" >
< b > 3.7.2.< / b >
Ingress
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.7.2.1" data-path = "traefik-ingress-controller.html" >
< a href = "traefik-ingress-controller.html" >
< b > 3.7.2.1.< / b >
Traefik Ingress Controller
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.8" data-path = "authentication-and-permission.html" >
< a href = "authentication-and-permission.html" >
< b > 3.8.< / b >
身份与权限控制
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.8.1" data-path = "serviceaccount.html" >
< a href = "serviceaccount.html" >
< b > 3.8.1.< / b >
ServiceAccount
< / a >
< / li >
< li class = "chapter " data-level = "3.8.2" data-path = "rbac.html" >
< a href = "rbac.html" >
< b > 3.8.2.< / b >
RBAC—— 基于角色的访问控制
< / a >
< / li >
< li class = "chapter " data-level = "3.8.3" data-path = "network-policy.html" >
< a href = "network-policy.html" >
< b > 3.8.3.< / b >
NetworkPolicy
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.9" data-path = "storage.html" >
< a href = "storage.html" >
< b > 3.9.< / b >
存储
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.9.1" data-path = "secret.html" >
< a href = "secret.html" >
< b > 3.9.1.< / b >
Secret
< / a >
< / li >
< li class = "chapter " data-level = "3.9.2" data-path = "configmap.html" >
< a href = "configmap.html" >
< b > 3.9.2.< / b >
ConfigMap
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.9.2.1" data-path = "configmap-hot-update.html" >
< a href = "configmap-hot-update.html" >
< b > 3.9.2.1.< / b >
ConfigMap 的热更新
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.9.3" data-path = "volume.html" >
< a href = "volume.html" >
< b > 3.9.3.< / b >
Volume
< / a >
< / li >
< li class = "chapter " data-level = "3.9.4" data-path = "persistent-volume.html" >
< a href = "persistent-volume.html" >
< b > 3.9.4.< / b >
Persistent Volume（ ）
< / a >
< / li >
< li class = "chapter " data-level = "3.9.5" data-path = "storageclass.html" >
< a href = "storageclass.html" >
< b > 3.9.5.< / b >
Storage Class
< / a >
< / li >
< li class = "chapter " data-level = "3.9.6" data-path = "local-persistent-storage.html" >
< a href = "local-persistent-storage.html" >
< b > 3.9.6.< / b >
本地持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.10" data-path = "extension.html" >
< a href = "extension.html" >
< b > 3.10.< / b >
集群扩展
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.10.1" data-path = "custom-resource.html" >
< a href = "custom-resource.html" >
< b > 3.10.1.< / b >
使用自定义资源扩展 API
< / a >
< / li >
< li class = "chapter " data-level = "3.10.2" data-path = "crd.html" >
< a href = "crd.html" >
< b > 3.10.2.< / b >
使用 CRD 扩展 Kubernetes API
< / a >
< / li >
< li class = "chapter " data-level = "3.10.3" data-path = "aggregated-api-server.html" >
< a href = "aggregated-api-server.html" >
< b > 3.10.3.< / b >
Aggregated API Server
< / a >
< / li >
< li class = "chapter " data-level = "3.10.4" data-path = "apiservice.html" >
< a href = "apiservice.html" >
< b > 3.10.4.< / b >
APIService
< / a >
< / li >
< li class = "chapter " data-level = "3.10.5" data-path = "service-catalog.html" >
< a href = "service-catalog.html" >
< b > 3.10.5.< / b >
Service Catalog
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.11" data-path = "scheduling.html" >
< a href = "scheduling.html" >
< b > 3.11.< / b >
资源调度
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.11.1" data-path = "qos.html" >
< a href = "qos.html" >
< b > 3.11.1.< / b >
QoS（ ）
< / a >
< / li >
< / ul >
< / li >
< li class = "header" > 用户指南< / li >
< li class = "chapter " data-level = "4.1" data-path = "../guide/" >
< a href = "../guide/" >
< b > 4.1.< / b >
用户指南
< / a >
< / li >
< li class = "chapter " data-level = "4.2" data-path = "../guide/resource-configuration.html" >
< a href = "../guide/resource-configuration.html" >
< b > 4.2.< / b >
资源对象配置
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.2.1" data-path = "../guide/configure-liveness-readiness-probes.html" >
< a href = "../guide/configure-liveness-readiness-probes.html" >
< b > 4.2.1.< / b >
配置 Pod 的 liveness 和 readiness 探针
< / a >
< / li >
< li class = "chapter " data-level = "4.2.2" data-path = "../guide/configure-pod-service-account.html" >
< a href = "../guide/configure-pod-service-account.html" >
< b > 4.2.2.< / b >
配置 Pod 的 Service Account
< / a >
< / li >
< li class = "chapter " data-level = "4.2.3" data-path = "../guide/secret-configuration.html" >
< a href = "../guide/secret-configuration.html" >
< b > 4.2.3.< / b >
Secret 配置
< / a >
< / li >
< li class = "chapter " data-level = "4.2.4" data-path = "../guide/resource-quota-management.html" >
< a href = "../guide/resource-quota-management.html" >
< b > 4.2.4.< / b >
管理 namespace 中的资源配额
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.3" data-path = "../guide/command-usage.html" >
< a href = "../guide/command-usage.html" >
< b > 4.3.< / b >
命令使用
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.3.1" data-path = "../guide/docker-cli-to-kubectl.html" >
< a href = "../guide/docker-cli-to-kubectl.html" >
< b > 4.3.1.< / b >
Docker 用户过渡到 kubectl 命令行指南
< / a >
< / li >
< li class = "chapter " data-level = "4.3.2" data-path = "../guide/using-kubectl.html" >
< a href = "../guide/using-kubectl.html" >
< b > 4.3.2.< / b >
kubectl 命令概览
< / a >
< / li >
< li class = "chapter " data-level = "4.3.3" data-path = "../guide/kubectl-cheatsheet.html" >
< a href = "../guide/kubectl-cheatsheet.html" >
< b > 4.3.3.< / b >
kubectl 命令技巧大全
< / a >
< / li >
< li class = "chapter " data-level = "4.3.4" data-path = "../guide/using-etcdctl-to-access-kubernetes-data.html" >
< a href = "../guide/using-etcdctl-to-access-kubernetes-data.html" >
< b > 4.3.4.< / b >
使用 etcdctl 访问 kubernetes 数据
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.4" data-path = "../guide/cluster-security-management.html" >
< a href = "../guide/cluster-security-management.html" >
< b > 4.4.< / b >
集群安全性管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.4.1" data-path = "../guide/managing-tls-in-a-cluster.html" >
< a href = "../guide/managing-tls-in-a-cluster.html" >
< b > 4.4.1.< / b >
管理集群中的 TLS
< / a >
< / li >
< li class = "chapter " data-level = "4.4.2" data-path = "../guide/kubelet-authentication-authorization.html" >
< a href = "../guide/kubelet-authentication-authorization.html" >
< b > 4.4.2.< / b >
kubelet 的认证授权
< / a >
< / li >
< li class = "chapter " data-level = "4.4.3" data-path = "../guide/tls-bootstrapping.html" >
< a href = "../guide/tls-bootstrapping.html" >
< b > 4.4.3.< / b >
TLS bootstrap
< / a >
< / li >
< li class = "chapter " data-level = "4.4.4" data-path = "../guide/kubectl-user-authentication-authorization.html" >
< a href = "../guide/kubectl-user-authentication-authorization.html" >
< b > 4.4.4.< / b >
创建用户认证授权的 kubeconfig 文件
< / a >
< / li >
< li class = "chapter " data-level = "4.4.5" data-path = "../guide/ip-masq-agent.html" >
< a href = "../guide/ip-masq-agent.html" >
< b > 4.4.5.< / b >
IP 伪装代理
< / a >
< / li >
< li class = "chapter " data-level = "4.4.6" data-path = "../guide/auth-with-kubeconfig-or-token.html" >
< a href = "../guide/auth-with-kubeconfig-or-token.html" >
< b > 4.4.6.< / b >
使用 kubeconfig 或 token 进行用户身份认证
< / a >
< / li >
< li class = "chapter " data-level = "4.4.7" data-path = "../guide/authentication.html" >
< a href = "../guide/authentication.html" >
< b > 4.4.7.< / b >
Kubernetes 中的用户与身份认证授权
< / a >
< / li >
< li class = "chapter " data-level = "4.4.8" data-path = "../guide/kubernetes-security-best-practice.html" >
< a href = "../guide/kubernetes-security-best-practice.html" >
< b > 4.4.8.< / b >
Kubernetes 集群安全性配置最佳实践
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.5" data-path = "../guide/access-kubernetes-cluster.html" >
< a href = "../guide/access-kubernetes-cluster.html" >
< b > 4.5.< / b >
访问 Kubernetes 集群
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.5.1" data-path = "../guide/access-cluster.html" >
< a href = "../guide/access-cluster.html" >
< b > 4.5.1.< / b >
访问集群
< / a >
< / li >
< li class = "chapter " data-level = "4.5.2" data-path = "../guide/authenticate-across-clusters-kubeconfig.html" >
< a href = "../guide/authenticate-across-clusters-kubeconfig.html" >
< b > 4.5.2.< / b >
使用 kubeconfig 文件配置跨集群认证
< / a >
< / li >
< li class = "chapter " data-level = "4.5.3" data-path = "../guide/connecting-to-applications-port-forward.html" >
< a href = "../guide/connecting-to-applications-port-forward.html" >
< b > 4.5.3.< / b >
通过端口转发访问集群中的应用程序
< / a >
< / li >
< li class = "chapter " data-level = "4.5.4" data-path = "../guide/service-access-application-cluster.html" >
< a href = "../guide/service-access-application-cluster.html" >
< b > 4.5.4.< / b >
使用 service 访问群集中的应用程序
< / a >
< / li >
< li class = "chapter " data-level = "4.5.5" data-path = "../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html" >
< a href = "../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html" >
< b > 4.5.5.< / b >
从外部访问 Kubernetes 中的 Pod
< / a >
< / li >
< li class = "chapter " data-level = "4.5.6" data-path = "../guide/cabin-mobile-dashboard-for-kubernetes.html" >
< a href = "../guide/cabin-mobile-dashboard-for-kubernetes.html" >
< b > 4.5.6.< / b >
Cabin - Kubernetes 手机客户端
< / a >
< / li >
< li class = "chapter " data-level = "4.5.7" data-path = "../guide/kubernetes-desktop-client.html" >
< a href = "../guide/kubernetes-desktop-client.html" >
< b > 4.5.7.< / b >
2020-06-29 12:32:43 +08:00
Lens - Kubernetes IDE/桌面客户端
2020-06-19 14:52:56 +08:00
< / a >
< / li >
< li class = "chapter " data-level = "4.5.8" data-path = "../guide/kubernator-kubernetes-ui.html" >
< a href = "../guide/kubernator-kubernetes-ui.html" >
< b > 4.5.8.< / b >
Kubernator - 更底层的 Kubernetes UI
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.6" data-path = "../guide/application-development-deployment-flow.html" >
< a href = "../guide/application-development-deployment-flow.html" >
< b > 4.6.< / b >
在 Kubernetes 中开发部署应用
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.6.1" data-path = "../guide/deploy-applications-in-kubernetes.html" >
< a href = "../guide/deploy-applications-in-kubernetes.html" >
< b > 4.6.1.< / b >
适用于 kubernetes 的应用开发部署流程
< / a >
< / li >
< li class = "chapter " data-level = "4.6.2" data-path = "../guide/migrating-hadoop-yarn-to-kubernetes.html" >
< a href = "../guide/migrating-hadoop-yarn-to-kubernetes.html" >
< b > 4.6.2.< / b >
迁移传统应用到 Kubernetes 中 —— 以 Hadoop YARN 为例
< / a >
< / li >
< li class = "chapter " data-level = "4.6.3" data-path = "../guide/using-statefulset.html" >
< a href = "../guide/using-statefulset.html" >
< b > 4.6.3.< / b >
使用 StatefulSet 部署用状态应用
< / a >
< / li >
< / ul >
< / li >
< li class = "header" > 最佳实践< / li >
< li class = "chapter " data-level = "5.1" data-path = "../practice/" >
< a href = "../practice/" >
< b > 5.1.< / b >
最佳实践概览
< / a >
< / li >
< li class = "chapter " data-level = "5.2" data-path = "../practice/install-kubernetes-on-centos.html" >
< a href = "../practice/install-kubernetes-on-centos.html" >
< b > 5.2.< / b >
在 CentOS 上部署 Kubernetes 集群
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.2.1" data-path = "../practice/create-tls-and-secret-key.html" >
< a href = "../practice/create-tls-and-secret-key.html" >
< b > 5.2.1.< / b >
创建 TLS 证书和秘钥
< / a >
< / li >
< li class = "chapter " data-level = "5.2.2" data-path = "../practice/create-kubeconfig.html" >
< a href = "../practice/create-kubeconfig.html" >
< b > 5.2.2.< / b >
创建 kubeconfig 文件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.3" data-path = "../practice/etcd-cluster-installation.html" >
< a href = "../practice/etcd-cluster-installation.html" >
< b > 5.2.3.< / b >
创建高可用 etcd 集群
< / a >
< / li >
< li class = "chapter " data-level = "5.2.4" data-path = "../practice/kubectl-installation.html" >
< a href = "../practice/kubectl-installation.html" >
< b > 5.2.4.< / b >
安装 kubectl 命令行工具
< / a >
< / li >
< li class = "chapter " data-level = "5.2.5" data-path = "../practice/master-installation.html" >
< a href = "../practice/master-installation.html" >
< b > 5.2.5.< / b >
部署 master 节点
< / a >
< / li >
< li class = "chapter " data-level = "5.2.6" data-path = "../practice/flannel-installation.html" >
< a href = "../practice/flannel-installation.html" >
< b > 5.2.6.< / b >
安装 flannel 网络插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.7" data-path = "../practice/node-installation.html" >
< a href = "../practice/node-installation.html" >
< b > 5.2.7.< / b >
部署 node 节点
< / a >
< / li >
< li class = "chapter " data-level = "5.2.8" data-path = "../practice/kubedns-addon-installation.html" >
< a href = "../practice/kubedns-addon-installation.html" >
< b > 5.2.8.< / b >
安装 kubedns 插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.9" data-path = "../practice/dashboard-addon-installation.html" >
< a href = "../practice/dashboard-addon-installation.html" >
< b > 5.2.9.< / b >
安装 dashboard 插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.10" data-path = "../practice/heapster-addon-installation.html" >
< a href = "../practice/heapster-addon-installation.html" >
< b > 5.2.10.< / b >
安装 heapster 插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.11" data-path = "../practice/efk-addon-installation.html" >
< a href = "../practice/efk-addon-installation.html" >
< b > 5.2.11.< / b >
安装 EFK 插件
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.3" data-path = "../practice/install-kubernetes-with-kubeadm.html" >
< a href = "../practice/install-kubernetes-with-kubeadm.html" >
< b > 5.3.< / b >
生产级的 Kubernetes 简化管理工具 kubeadm
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.3.1" data-path = "../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html" >
< a href = "../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html" >
< b > 5.3.1.< / b >
使用 kubeadm 在 Ubuntu Server 16.04 上快速构建测试集群
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.4" data-path = "../practice/service-discovery-and-loadbalancing.html" >
< a href = "../practice/service-discovery-and-loadbalancing.html" >
< b > 5.4.< / b >
服务发现与负载均衡
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.4.1" data-path = "../practice/traefik-ingress-installation.html" >
< a href = "../practice/traefik-ingress-installation.html" >
< b > 5.4.1.< / b >
安装 Traefik ingress
< / a >
< / li >
< li class = "chapter " data-level = "5.4.2" data-path = "../practice/distributed-load-test.html" >
< a href = "../practice/distributed-load-test.html" >
< b > 5.4.2.< / b >
分布式负载测试
< / a >
< / li >
< li class = "chapter " data-level = "5.4.3" data-path = "../practice/network-and-cluster-perfermance-test.html" >
< a href = "../practice/network-and-cluster-perfermance-test.html" >
< b > 5.4.3.< / b >
网络和集群性能测试
< / a >
< / li >
< li class = "chapter " data-level = "5.4.4" data-path = "../practice/edge-node-configuration.html" >
< a href = "../practice/edge-node-configuration.html" >
< b > 5.4.4.< / b >
边缘节点配置
< / a >
< / li >
< li class = "chapter " data-level = "5.4.5" data-path = "../practice/nginx-ingress-installation.html" >
< a href = "../practice/nginx-ingress-installation.html" >
< b > 5.4.5.< / b >
安装 Nginx ingress
< / a >
< / li >
< li class = "chapter " data-level = "5.4.6" data-path = "../practice/dns-installation.html" >
< a href = "../practice/dns-installation.html" >
< b > 5.4.6.< / b >
安装配置 DNS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.4.6.1" data-path = "../practice/configuring-dns.html" >
< a href = "../practice/configuring-dns.html" >
< b > 5.4.6.1.< / b >
安装配置 Kube-dns
< / a >
< / li >
< li class = "chapter " data-level = "5.4.6.2" data-path = "../practice/coredns.html" >
< a href = "../practice/coredns.html" >
< b > 5.4.6.2.< / b >
安装配置 CoreDNS
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.5" data-path = "../practice/operation.html" >
< a href = "../practice/operation.html" >
< b > 5.5.< / b >
运维管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.5.1" data-path = "../practice/master-ha.html" >
< a href = "../practice/master-ha.html" >
< b > 5.5.1.< / b >
Master 节点高可用
< / a >
< / li >
< li class = "chapter " data-level = "5.5.2" data-path = "../practice/service-rolling-update.html" >
< a href = "../practice/service-rolling-update.html" >
< b > 5.5.2.< / b >
服务滚动升级
< / a >
< / li >
< li class = "chapter " data-level = "5.5.3" data-path = "../practice/app-log-collection.html" >
< a href = "../practice/app-log-collection.html" >
< b > 5.5.3.< / b >
应用日志收集
< / a >
< / li >
< li class = "chapter " data-level = "5.5.4" data-path = "../practice/configuration-best-practice.html" >
< a href = "../practice/configuration-best-practice.html" >
< b > 5.5.4.< / b >
配置最佳实践
< / a >
< / li >
< li class = "chapter " data-level = "5.5.5" data-path = "../practice/monitor.html" >
< a href = "../practice/monitor.html" >
< b > 5.5.5.< / b >
集群及应用监控
< / a >
< / li >
< li class = "chapter " data-level = "5.5.6" data-path = "../practice/data-persistence-problem.html" >
< a href = "../practice/data-persistence-problem.html" >
< b > 5.5.6.< / b >
数据持久化问题
< / a >
< / li >
< li class = "chapter " data-level = "5.5.7" data-path = "../practice/manage-compute-resources-container.html" >
< a href = "../practice/manage-compute-resources-container.html" >
< b > 5.5.7.< / b >
管理容器的计算资源
< / a >
< / li >
< li class = "chapter " data-level = "5.5.8" data-path = "../practice/federation.html" >
< a href = "../practice/federation.html" >
< b > 5.5.8.< / b >
集群联邦
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6" data-path = "../practice/storage.html" >
< a href = "../practice/storage.html" >
< b > 5.6.< / b >
存储管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.1" data-path = "../practice/glusterfs.html" >
< a href = "../practice/glusterfs.html" >
< b > 5.6.1.< / b >
GlusterFS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.1.1" data-path = "../practice/using-glusterfs-for-persistent-storage.html" >
< a href = "../practice/using-glusterfs-for-persistent-storage.html" >
< b > 5.6.1.1.< / b >
使用 GlusterFS 做持久化存储
< / a >
< / li >
< li class = "chapter " data-level = "5.6.1.2" data-path = "../practice/using-heketi-gluster-for-persistent-storage.html" >
< a href = "../practice/using-heketi-gluster-for-persistent-storage.html" >
< b > 5.6.1.2.< / b >
使用 Heketi 作为 Kubernetes 的持久存储 GlusterFS 的 external provisioner
< / a >
< / li >
< li class = "chapter " data-level = "5.6.1.3" data-path = "../practice/storage-for-containers-using-glusterfs-with-openshift.html" >
< a href = "../practice/storage-for-containers-using-glusterfs-with-openshift.html" >
< b > 5.6.1.3.< / b >
在 OpenShift 中使用 GlusterFS 做持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6.2" data-path = "../practice/glusterd-2.0.html" >
< a href = "../practice/glusterd-2.0.html" >
< b > 5.6.2.< / b >
GlusterD-2.0
< / a >
< / li >
< li class = "chapter " data-level = "5.6.3" data-path = "../practice/ceph.html" >
< a href = "../practice/ceph.html" >
< b > 5.6.3.< / b >
Ceph
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.3.1" data-path = "../practice/ceph-helm-install-guide-zh.html" >
< a href = "../practice/ceph-helm-install-guide-zh.html" >
< b > 5.6.3.1.< / b >
用 Helm 托管安装 Ceph 集群并提供后端存储
< / a >
< / li >
< li class = "chapter " data-level = "5.6.3.2" data-path = "../practice/using-ceph-for-persistent-storage.html" >
< a href = "../practice/using-ceph-for-persistent-storage.html" >
< b > 5.6.3.2.< / b >
使用 Ceph 做持久化存储
< / a >
< / li >
< li class = "chapter " data-level = "5.6.3.3" data-path = "../practice/rbd-provisioner.html" >
< a href = "../practice/rbd-provisioner.html" >
< b > 5.6.3.3.< / b >
使用 rbd-provisioner 提供 rbd 持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6.4" data-path = "../practice/openebs.html" >
< a href = "../practice/openebs.html" >
< b > 5.6.4.< / b >
OpenEBS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.4.1" data-path = "../practice/using-openebs-for-persistent-storage.html" >
< a href = "../practice/using-openebs-for-persistent-storage.html" >
< b > 5.6.4.1.< / b >
使用 OpenEBS 做持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6.5" data-path = "../practice/rook.html" >
< a href = "../practice/rook.html" >
< b > 5.6.5.< / b >
Rook
< / a >
< / li >
< li class = "chapter " data-level = "5.6.6" data-path = "../practice/nfs.html" >
< a href = "../practice/nfs.html" >
< b > 5.6.6.< / b >
NFS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.6.1" data-path = "../practice/using-nfs-for-persistent-storage.html" >
< a href = "../practice/using-nfs-for-persistent-storage.html" >
< b > 5.6.6.1.< / b >
利用 NFS 动态提供 Kubernetes 后端存储卷
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.7" data-path = "../practice/monitoring.html" >
< a href = "../practice/monitoring.html" >
< b > 5.7.< / b >
集群与应用监控
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.7.1" data-path = "../practice/heapster.html" >
< a href = "../practice/heapster.html" >
< b > 5.7.1.< / b >
Heapster
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.7.1.1" data-path = "../practice/using-heapster-to-get-object-metrics.html" >
< a href = "../practice/using-heapster-to-get-object-metrics.html" >
< b > 5.7.1.1.< / b >
使用 Heapster 获取集群和对象的 metric 数据
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.7.2" data-path = "../practice/prometheus.html" >
< a href = "../practice/prometheus.html" >
< b > 5.7.2.< / b >
Prometheus
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.7.2.1" data-path = "../practice/using-prometheus-to-monitor-kuberentes-cluster.html" >
< a href = "../practice/using-prometheus-to-monitor-kuberentes-cluster.html" >
< b > 5.7.2.1.< / b >
使用 Prometheus 监控 kubernetes 集群
< / a >
< / li >
< li class = "chapter " data-level = "5.7.2.2" data-path = "../practice/promql.html" >
< a href = "../practice/promql.html" >
< b > 5.7.2.2.< / b >
Prometheus 查询语言 PromQL 使用说明
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.7.3" data-path = "../practice/vistio-visualize-your-istio-mesh.html" >
< a href = "../practice/vistio-visualize-your-istio-mesh.html" >
< b > 5.7.3.< / b >
使用 Vistio 监控 Istio 服务网格中的流量
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.8" data-path = "../practice/distributed-tracing.html" >
< a href = "../practice/distributed-tracing.html" >
< b > 5.8.< / b >
分布式跟踪
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.8.1" data-path = "../practice/opentracing.html" >
< a href = "../practice/opentracing.html" >
< b > 5.8.1.< / b >
OpenTracing
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.9" data-path = "../practice/services-management-tool.html" >
< a href = "../practice/services-management-tool.html" >
< b > 5.9.< / b >
服务编排管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.9.1" data-path = "../practice/helm.html" >
< a href = "../practice/helm.html" >
< b > 5.9.1.< / b >
使用 Helm 管理 Kubernetes 应用
< / a >
< / li >
< li class = "chapter " data-level = "5.9.2" data-path = "../practice/create-private-charts-repo.html" >
< a href = "../practice/create-private-charts-repo.html" >
< b > 5.9.2.< / b >
构建私有 Chart 仓库
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.10" data-path = "../practice/ci-cd.html" >
< a href = "../practice/ci-cd.html" >
< b > 5.10.< / b >
持续集成与发布
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.10.1" data-path = "../practice/jenkins-ci-cd.html" >
< a href = "../practice/jenkins-ci-cd.html" >
< b > 5.10.1.< / b >
使用 Jenkins 进行持续集成与发布
< / a >
< / li >
< li class = "chapter " data-level = "5.10.2" data-path = "../practice/drone-ci-cd.html" >
< a href = "../practice/drone-ci-cd.html" >
< b > 5.10.2.< / b >
使用 Drone 进行持续集成与发布
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.11" data-path = "../practice/update-and-upgrade.html" >
< a href = "../practice/update-and-upgrade.html" >
< b > 5.11.< / b >
更新与升级
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.11.1" data-path = "../practice/manually-upgrade.html" >
< a href = "../practice/manually-upgrade.html" >
< b > 5.11.1.< / b >
手动升级 Kubernetes 集群
< / a >
< / li >
< li class = "chapter " data-level = "5.11.2" data-path = "../practice/dashboard-upgrade.html" >
< a href = "../practice/dashboard-upgrade.html" >
< b > 5.11.2.< / b >
升级 dashboard
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.12" data-path = "../practice/controller-extended.html" >
< a href = "../practice/controller-extended.html" >
< b > 5.12.< / b >
扩展控制器
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.12.1" data-path = "../practice/openkruise.html" >
< a href = "../practice/openkruise.html" >
< b > 5.12.1.< / b >
OpenKruise
< / a >
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< ul class = "articles" >
< li class = "chapter " data-level = "5.12.1.1" data-path = "../practice/in-place-update.html" >
< a href = "../practice/in-place-update.html" >
< b > 5.12.1.1.< / b >
原地升级
< / a >
< / li >
< / ul >
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< / li >
< / ul >
< / li >
< li class = "header" > 领域应用< / li >
< li class = "chapter " data-level = "6.1" data-path = "../usecases/" >
< a href = "../usecases/" >
< b > 6.1.< / b >
领域应用概览
< / a >
< / li >
< li class = "chapter " data-level = "6.2" data-path = "../usecases/microservices.html" >
< a href = "../usecases/microservices.html" >
< b > 6.2.< / b >
微服务架构
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.2.1" data-path = "../usecases/service-discovery-in-microservices.html" >
< a href = "../usecases/service-discovery-in-microservices.html" >
< b > 6.2.1.< / b >
微服务中的服务发现
< / a >
< / li >
< li class = "chapter " data-level = "6.2.2" data-path = "../usecases/microservices-for-java-developers.html" >
< a href = "../usecases/microservices-for-java-developers.html" >
< b > 6.2.2.< / b >
使用 Java 构建微服务并发布到 Kubernetes 平台
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.2.2.1" data-path = "../usecases/spring-boot-quick-start-guide.html" >
< a href = "../usecases/spring-boot-quick-start-guide.html" >
< b > 6.2.2.1.< / b >
Spring Boot 快速开始指南
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3" data-path = "../usecases/service-mesh.html" >
< a href = "../usecases/service-mesh.html" >
< b > 6.3.< / b >
Service Mesh 服务网格
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.1" data-path = "../usecases/the-enterprise-path-to-service-mesh-architectures.html" >
< a href = "../usecases/the-enterprise-path-to-service-mesh-architectures.html" >
< b > 6.3.1.< / b >
企业级服务网格架构
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.1.1" data-path = "../usecases/service-mesh-fundamental.html" >
< a href = "../usecases/service-mesh-fundamental.html" >
< b > 6.3.1.1.< / b >
Service Mesh 基础
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.2" data-path = "../usecases/comparing-service-mesh-technologies.html" >
< a href = "../usecases/comparing-service-mesh-technologies.html" >
< b > 6.3.1.2.< / b >
Service Mesh 技术对比
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.3" data-path = "../usecases/service-mesh-adoption-and-evolution.html" >
< a href = "../usecases/service-mesh-adoption-and-evolution.html" >
< b > 6.3.1.3.< / b >
采纳和演进
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.4" data-path = "../usecases/service-mesh-customization-and-integration.html" >
< a href = "../usecases/service-mesh-customization-and-integration.html" >
< b > 6.3.1.4.< / b >
定制和集成
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.5" data-path = "../usecases/service-mesh-conclusion.html" >
< a href = "../usecases/service-mesh-conclusion.html" >
< b > 6.3.1.5.< / b >
总结
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.2" data-path = "../usecases/istio.html" >
< a href = "../usecases/istio.html" >
< b > 6.3.2.< / b >
Istio
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.2.1" data-path = "../usecases/istio-installation.html" >
< a href = "../usecases/istio-installation.html" >
< b > 6.3.2.1.< / b >
安装并试用 Istio service mesh
< / a >
< / li >
< li class = "chapter " data-level = "6.3.2.2" data-path = "../usecases/sidecar-spec-in-istio.html" >
< a href = "../usecases/sidecar-spec-in-istio.html" >
< b > 6.3.2.2.< / b >
Istio 中 sidecar 的注入规范及示例
< / a >
< / li >
< li class = "chapter " data-level = "6.3.2.3" data-path = "../usecases/istio-community-tips.html" >
< a href = "../usecases/istio-community-tips.html" >
< b > 6.3.2.3.< / b >
如何参与 Istio 社区及注意事项
< / a >
< / li >
< li class = "chapter " data-level = "6.3.2.4" data-path = "../usecases/istio-tutorials-collection.html" >
< a href = "../usecases/istio-tutorials-collection.html" >
< b > 6.3.2.4.< / b >
Istio 免费学习资源汇总
< / a >
< / li >
< li class = "chapter " data-level = "6.3.2.5" data-path = "../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html" >
< a href = "../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html" >
< b > 6.3.2.5.< / b >
Sidecar 的注入与流量劫持
< / a >
< / li >
< li class = "chapter " data-level = "6.3.2.6" data-path = "../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html" >
< a href = "../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html" >
< b > 6.3.2.6.< / b >
Envoy Sidecar 代理的路由转发
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.3" data-path = "../usecases/linkerd.html" >
< a href = "../usecases/linkerd.html" >
< b > 6.3.3.< / b >
Linkerd
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.3.1" data-path = "../usecases/linkerd-user-guide.html" >
< a href = "../usecases/linkerd-user-guide.html" >
< b > 6.3.3.1.< / b >
Linkerd 使用指南
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.4" data-path = "../usecases/conduit.html" >
< a href = "../usecases/conduit.html" >
< b > 6.3.4.< / b >
Conduit
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.4.1" data-path = "../usecases/conduit-overview.html" >
< a href = "../usecases/conduit-overview.html" >
< b > 6.3.4.1.< / b >
Condiut 概览
< / a >
< / li >
< li class = "chapter " data-level = "6.3.4.2" data-path = "../usecases/conduit-installation.html" >
< a href = "../usecases/conduit-installation.html" >
< b > 6.3.4.2.< / b >
安装 Conduit
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.5" data-path = "../usecases/envoy.html" >
< a href = "../usecases/envoy.html" >
< b > 6.3.5.< / b >
Envoy
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.5.1" data-path = "../usecases/envoy-terminology.html" >
< a href = "../usecases/envoy-terminology.html" >
< b > 6.3.5.1.< / b >
Envoy 的架构与基本术语
< / a >
< / li >
< li class = "chapter " data-level = "6.3.5.2" data-path = "../usecases/envoy-front-proxy.html" >
< a href = "../usecases/envoy-front-proxy.html" >
< b > 6.3.5.2.< / b >
Envoy 作为前端代理
< / a >
< / li >
< li class = "chapter " data-level = "6.3.5.3" data-path = "../usecases/envoy-mesh-in-kubernetes-tutorial.html" >
< a href = "../usecases/envoy-mesh-in-kubernetes-tutorial.html" >
< b > 6.3.5.3.< / b >
Envoy mesh 教程
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.6" data-path = "../usecases/mosn.html" >
< a href = "../usecases/mosn.html" >
< b > 6.3.6.< / b >
MOSN
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.4" data-path = "../usecases/big-data.html" >
< a href = "../usecases/big-data.html" >
< b > 6.4.< / b >
大数据
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.4.1" data-path = "../usecases/spark-standalone-on-kubernetes.html" >
< a href = "../usecases/spark-standalone-on-kubernetes.html" >
< b > 6.4.1.< / b >
Spark standalone on Kubernetes
< / a >
< / li >
< li class = "chapter " data-level = "6.4.2" data-path = "../usecases/running-spark-with-kubernetes-native-scheduler.html" >
< a href = "../usecases/running-spark-with-kubernetes-native-scheduler.html" >
< b > 6.4.2.< / b >
运行支持 Kubernetes 原生调度的 Spark 程序
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.5" data-path = "../usecases/serverless.html" >
< a href = "../usecases/serverless.html" >
< b > 6.5.< / b >
Serverless 架构
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.5.1" data-path = "../usecases/understanding-serverless.html" >
< a href = "../usecases/understanding-serverless.html" >
< b > 6.5.1.< / b >
理解 Serverless
< / a >
< / li >
< li class = "chapter " data-level = "6.5.2" data-path = "../usecases/faas.html" >
< a href = "../usecases/faas.html" >
< b > 6.5.2.< / b >
FaaS（ ）
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.5.2.1" data-path = "../usecases/openfaas-quick-start.html" >
< a href = "../usecases/openfaas-quick-start.html" >
< b > 6.5.2.1.< / b >
OpenFaaS 快速入门指南
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.5.3" data-path = "../usecases/knative.html" >
< a href = "../usecases/knative.html" >
< b > 6.5.3.< / b >
Knative
< / a >
< / li >
< / ul >
< / li >
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< li class = "chapter " data-level = "6.6" data-path = "../usecases/edge-computing.html" >
2020-06-19 14:52:56 +08:00
< a href = "../usecases/edge-computing.html" >
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< b > 6.6.< / b >
2020-06-19 14:52:56 +08:00
边缘计算
< / a >
< / li >
2020-06-24 16:47:22 +08:00
< li class = "chapter " data-level = "6.7" data-path = "../usecases/ai.html" >
2020-06-19 14:52:56 +08:00
< a href = "../usecases/ai.html" >
2020-06-24 16:47:22 +08:00
< b > 6.7.< / b >
2020-06-19 14:52:56 +08:00
人工智能
< / a >
< / li >
< li class = "header" > 开发指南< / li >
< li class = "chapter " data-level = "7.1" data-path = "../develop/" >
< a href = "../develop/" >
< b > 7.1.< / b >
开发指南概览
< / a >
< / li >
< li class = "chapter " data-level = "7.2" data-path = "../develop/sigs-and-working-group.html" >
< a href = "../develop/sigs-and-working-group.html" >
< b > 7.2.< / b >
SIG 和工作组
< / a >
< / li >
< li class = "chapter " data-level = "7.3" data-path = "../develop/developing-environment.html" >
< a href = "../develop/developing-environment.html" >
< b > 7.3.< / b >
开发环境搭建
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "7.3.1" data-path = "../develop/using-vagrant-and-virtualbox-for-development.html" >
< a href = "../develop/using-vagrant-and-virtualbox-for-development.html" >
< b > 7.3.1.< / b >
本地分布式开发环境搭建（使用 Vagrant 和 Virtualbox）
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "7.4" data-path = "../develop/testing.html" >
< a href = "../develop/testing.html" >
< b > 7.4.< / b >
单元测试和集成测试
< / a >
< / li >
< li class = "chapter " data-level = "7.5" data-path = "../develop/client-go-sample.html" >
< a href = "../develop/client-go-sample.html" >
< b > 7.5.< / b >
client-go 示例
< / a >
< / li >
< li class = "chapter " data-level = "7.6" data-path = "../develop/operator.html" >
< a href = "../develop/operator.html" >
< b > 7.6.< / b >
Operator
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "7.6.1" data-path = "../develop/operator-sdk.html" >
< a href = "../develop/operator-sdk.html" >
< b > 7.6.1.< / b >
operator-sdk
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "7.7" data-path = "../develop/kubebuilder.html" >
< a href = "../develop/kubebuilder.html" >
< b > 7.7.< / b >
kubebuilder
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "7.7.1" data-path = "../develop/kubebuilder-example.html" >
< a href = "../develop/kubebuilder-example.html" >
< b > 7.7.1.< / b >
使用 kubebuilder 创建 operator 示例
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "7.8" data-path = "../develop/advance-developer.html" >
< a href = "../develop/advance-developer.html" >
< b > 7.8.< / b >
高级开发指南
< / a >
< / li >
< li class = "chapter " data-level = "7.9" data-path = "../develop/contribute.html" >
< a href = "../develop/contribute.html" >
< b > 7.9.< / b >
社区贡献
< / a >
< / li >
< li class = "chapter " data-level = "7.10" data-path = "../develop/minikube.html" >
< a href = "../develop/minikube.html" >
< b > 7.10.< / b >
Minikube
< / a >
< / li >
< li class = "header" > CNCF（ ） < / li >
< li class = "chapter " data-level = "8.1" data-path = "../cloud-native/cncf.html" >
< a href = "../cloud-native/cncf.html" >
< b > 8.1.< / b >
CNCF - 云原生计算基金会简介
< / a >
< / li >
< li class = "chapter " data-level = "8.2" data-path = "../cloud-native/cncf-charter.html" >
< a href = "../cloud-native/cncf-charter.html" >
< b > 8.2.< / b >
CNCF 章程
< / a >
< / li >
< li class = "chapter " data-level = "8.3" data-path = "../cloud-native/cncf-sig.html" >
< a href = "../cloud-native/cncf-sig.html" >
< b > 8.3.< / b >
CNCF 特别兴趣小组（ ）
< / a >
< / li >
< li class = "chapter " data-level = "8.4" data-path = "../cloud-native/cncf-sandbox-criteria.html" >
< a href = "../cloud-native/cncf-sandbox-criteria.html" >
< b > 8.4.< / b >
开源项目加入 CNCF Sandbox 的要求
< / a >
< / li >
< li class = "chapter " data-level = "8.5" data-path = "../cloud-native/cncf-project-governing.html" >
< a href = "../cloud-native/cncf-project-governing.html" >
< b > 8.5.< / b >
CNCF 中的项目治理
< / a >
< / li >
< li class = "chapter " data-level = "8.6" data-path = "../cloud-native/cncf-ambassador.html" >
< a href = "../cloud-native/cncf-ambassador.html" >
< b > 8.6.< / b >
CNCF Ambassador
< / a >
< / li >
< li class = "header" > 附录< / li >
< li class = "chapter " data-level = "9.1" data-path = "../appendix/" >
< a href = "../appendix/" >
< b > 9.1.< / b >
附录说明
< / a >
< / li >
< li class = "chapter " data-level = "9.2" data-path = "../appendix/debug-kubernetes-services.html" >
< a href = "../appendix/debug-kubernetes-services.html" >
< b > 9.2.< / b >
Kubernetes 中的应用故障排查
< / a >
< / li >
< li class = "chapter " data-level = "9.3" data-path = "../appendix/material-share.html" >
< a href = "../appendix/material-share.html" >
< b > 9.3.< / b >
Kubernetes 相关资讯和情报链接
< / a >
< / li >
< li class = "chapter " data-level = "9.4" data-path = "../appendix/docker-best-practice.html" >
< a href = "../appendix/docker-best-practice.html" >
< b > 9.4.< / b >
Docker 最佳实践
< / a >
< / li >
< li class = "chapter " data-level = "9.5" data-path = "../appendix/tricks.html" >
< a href = "../appendix/tricks.html" >
< b > 9.5.< / b >
使用技巧
< / a >
< / li >
< li class = "chapter " data-level = "9.6" data-path = "../appendix/issues.html" >
< a href = "../appendix/issues.html" >
< b > 9.6.< / b >
问题记录
< / a >
< / li >
< li class = "chapter " data-level = "9.7" data-path = "../appendix/kubernetes-changelog.html" >
< a href = "../appendix/kubernetes-changelog.html" >
< b > 9.7.< / b >
Kubernetes 版本更新日志
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "9.7.1" data-path = "../appendix/kubernetes-1.7-changelog.html" >
< a href = "../appendix/kubernetes-1.7-changelog.html" >
< b > 9.7.1.< / b >
Kubernetes1.7 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.2" data-path = "../appendix/kubernetes-1.8-changelog.html" >
< a href = "../appendix/kubernetes-1.8-changelog.html" >
< b > 9.7.2.< / b >
Kubernetes1.8 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.3" data-path = "../appendix/kubernetes-1.9-changelog.html" >
< a href = "../appendix/kubernetes-1.9-changelog.html" >
< b > 9.7.3.< / b >
Kubernetes1.9 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.4" data-path = "../appendix/kubernetes-1.10-changelog.html" >
< a href = "../appendix/kubernetes-1.10-changelog.html" >
< b > 9.7.4.< / b >
Kubernetes1.10 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.5" data-path = "../appendix/kubernetes-1.11-changelog.html" >
< a href = "../appendix/kubernetes-1.11-changelog.html" >
< b > 9.7.5.< / b >
Kubernetes1.11 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.6" data-path = "../appendix/kubernetes-1.12-changelog.html" >
< a href = "../appendix/kubernetes-1.12-changelog.html" >
< b > 9.7.6.< / b >
Kubernetes1.12 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.7" data-path = "../appendix/kubernetes-1.13-changelog.html" >
< a href = "../appendix/kubernetes-1.13-changelog.html" >
< b > 9.7.7.< / b >
Kubernetes1.13 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.8" data-path = "../appendix/kubernetes-1.14-changelog.html" >
< a href = "../appendix/kubernetes-1.14-changelog.html" >
< b > 9.7.8.< / b >
Kubernetes1.14 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.9" data-path = "../appendix/kubernetes-1.15-changelog.html" >
< a href = "../appendix/kubernetes-1.15-changelog.html" >
< b > 9.7.9.< / b >
Kubernetes1.15 更新日志
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "9.8" data-path = "../appendix/summary-and-outlook.html" >
< a href = "../appendix/summary-and-outlook.html" >
< b > 9.8.< / b >
Kubernetes 及云原生年度总结及展望
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "9.8.1" data-path = "../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html" >
< a href = "../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html" >
< b > 9.8.1.< / b >
Kubernetes 与云原生 2017 年年终总结及 2018 年展望
< / a >
< / li >
< li class = "chapter " data-level = "9.8.2" data-path = "../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html" >
< a href = "../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html" >
< b > 9.8.2.< / b >
Kubernetes 与云原生 2018 年年终总结及 2019 年展望
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "9.9" data-path = "../appendix/cncf-annual-report.html" >
< a href = "../appendix/cncf-annual-report.html" >
< b > 9.9.< / b >
CNCF 年度报告解读
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "9.9.1" data-path = "../appendix/cncf-annual-report-2018.html" >
< a href = "../appendix/cncf-annual-report-2018.html" >
< b > 9.9.1.< / b >
CNCF 2018 年年度报告解读
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "9.10" data-path = "../appendix/about-kcsp.html" >
< a href = "../appendix/about-kcsp.html" >
< b > 9.10.< / b >
Kubernetes 认证服务提供商（ ）
< / a >
< / li >
< li class = "chapter " data-level = "9.11" data-path = "../appendix/about-cka-candidate.html" >
< a href = "../appendix/about-cka-candidate.html" >
< b > 9.11.< / b >
认证 Kubernetes 管理员（ ）
< / a >
< / li >
< li class = "divider" > < / li >
< li >
< a href = "https://www.gitbook.com" target = "blank" class = "gitbook-link" >
本书使用 GitBook 发布
< / a >
< / li >
< / ul >
< / nav >
< / div >
< div class = "book-body" >
< div class = "body-inner" >
< div class = "book-header" role = "navigation" >
<!-- Title -->
< h1 >
< i class = "fa fa-circle-o-notch fa-spin" > < / i >
< a href = ".." > StatefulSet< / a >
< / h1 >
< / div >
< div class = "page-wrapper" tabindex = "-1" role = "main" >
< div class = "page-inner" >
< div class = "search-plus" id = "book-search-results" >
< div class = "search-noresults" >
< section class = "normal markdown-section" >
< h1 id = "statefulset" > StatefulSet< / h1 >
< p > StatefulSet 作 为 Controller 为 Pod 提 供 唯 一 的 标 识 。 它 可 以 保 证 部 署 和 scale 的 顺 序 。 < / p >
< p > 使 用 案 例 参 考 ： < a href = "https://github.com/kubernetes/contrib/tree/master/statefulsets" target = "_blank" > kubernetes contrib - statefulsets< / a > ， 其 中 包 含 zookeeper和 kakfa的 statefulset设 置 和 使 用 说 明 。 < / p >
< p > StatefulSet是 为 了 解 决 有 状 态 服 务 的 问 题 （ 对 应 Deployments和 ReplicaSets是 为 无 状 态 服 务 而 设 计 ） ， 其 应 用 场 景 包 括 ： < / p >
< ul >
< li > 稳 定 的 持 久 化 存 储 ， 即 Pod重 新 调 度 后 还 是 能 访 问 到 相 同 的 持 久 化 数 据 ， 基 于 PVC来 实 现 < / li >
< li > 稳 定 的 网 络 标 志 ， 即 Pod重 新 调 度 后 其 PodName和 HostName不 变 ， 基 于 Headless Service（ 即 没 有 Cluster IP的 Service） 来 实 现 < / li >
< li > 有 序 部 署 ， 有 序 扩 展 ， 即 Pod是 有 顺 序 的 ， 在 部 署 或 者 扩 展 的 时 候 要 依 据 定 义 的 顺 序 依 次 依 次 进 行 （ 即 从 0到 N-1， 在 下 一 个 Pod运 行 之 前 所 有 之 前 的 Pod必 须 都 是 Running和 Ready状 态 ） ， 基 于 init containers来 实 现 < / li >
< li > 有 序 收 缩 ， 有 序 删 除 （ 即 从 N-1到 0） < / li >
< / ul >
< p > 从 上 面 的 应 用 场 景 可 以 发 现 ， StatefulSet由 以 下 几 个 部 分 组 成 ： < / p >
< ul >
< li > 用 于 定 义 网 络 标 志 （ DNS domain） 的 Headless Service< / li >
< li > 用 于 创 建 PersistentVolumes的 volumeClaimTemplates< / li >
< li > 定 义 具 体 应 用 的 StatefulSet< / li >
< / ul >
< p > StatefulSet中 每 个 Pod的 DNS格 式 为 < code > statefulSetName-{0..N-1}.serviceName.namespace.svc.cluster.local< / code > ， 其 中 < / p >
< ul >
< li > < code > serviceName< / code > 为 Headless Service的 名 字 < / li >
< li > < code > 0..N-1< / code > 为 Pod所 在 的 序 号 ， 从 0开 始 到 N-1< / li >
< li > < code > statefulSetName< / code > 为 StatefulSet的 名 字 < / li >
< li > < code > namespace< / code > 为 服 务 所 在 的 namespace， Headless Servic和 StatefulSet必 须 在 相 同 的 namespace< / li >
< li > < code > .cluster.local< / code > 为 Cluster Domain< / li >
< / ul >
< h2 id = "使用-statefulset" > 使 用 StatefulSet< / h2 >
< p > StatefulSet 适 用 于 有 以 下 某 个 或 多 个 需 求 的 应 用 ： < / p >
< ul >
< li > 稳 定 ， 唯 一 的 网 络 标 志 。 < / li >
< li > 稳 定 ， 持 久 化 存 储 。 < / li >
< li > 有 序 ， 优 雅 地 部 署 和 scale。 < / li >
< li > 有 序 ， 优 雅 地 删 除 和 终 止 。 < / li >
< li > 有 序 ， 自 动 的 滚 动 升 级 。 < / li >
< / ul >
< p > 在 上 文 中 ， 稳 定 是 Pod （ 重 新 ） 调 度 中 持 久 性 的 代 名 词 。 如 果 应 用 程 序 不 需 要 任 何 稳 定 的 标 识 符 、 有 序 部 署 、 删 除 和 scale， 则 应 该 使 用 提 供 一 组 无 状 态 副 本 的 controller 来 部 署 应 用 程 序 ， 例 如 < a href = "https://kubernetes.io/docs/concepts/workloads/controllers/deployment" target = "_blank" > Deployment< / a > 或 < a href = "https://kubernetes.io/docs/concepts/workloads/controllers/replicaset" target = "_blank" > ReplicaSet< / a > 可 能 更 适 合 您 的 无 状 态 需 求 。 < / p >
< h2 id = "限制" > 限 制 < / h2 >
< ul >
< li > StatefulSet 是 beta 资 源 ， Kubernetes 1.5 以 前 版 本 不 支 持 。 < / li >
< li > 对 于 所 有 的 alpha/beta 的 资 源 ， 您 都 可 以 通 过 在 apiserver 中 设 置 < code > --runtime-config< / code > 选 项 来 禁 用 。 < / li >
< li > 给 定 Pod 的 存 储 必 须 由 PersistentVolume Provisioner 根 据 请 求 的 < code > storage class< / code > 进 行 配 置 ， 或 由 管 理 员 预 先 配 置 。 < / li >
< li > 删 除 或 scale StatefulSet 将 < em > 不 会 < / em > 删 除 与 StatefulSet 相 关 联 的 volume。 这 样 做 是 为 了 确 保 数 据 安 全 性 ， 这 通 常 比 自 动 清 除 所 有 相 关 StatefulSet 资 源 更 有 价 值 。 < / li >
< li > StatefulSets 目 前 要 求 < a href = "https://kubernetes.io/docs/concepts/services-networking/service/#headless-services" target = "_blank" > Headless Service< / a > 负 责 Pod 的 网 络 身 份 。 您 有 责 任 创 建 此 服 务 。 < / li >
< / ul >
< h2 id = "组件" > 组 件 < / h2 >
< p > 下 面 的 示 例 中 描 述 了 StatefulSet 中 的 组 件 。 < / p >
< ul >
< li > 一 个 名 为 nginx 的 headless service， 用 于 控 制 网 络 域 。 < / li >
< li > 一 个 名 为 web 的 StatefulSet， 它 的 Spec 中 指 定 在 有 3 个 运 行 nginx 容 器 的 Pod。 < / li >
< li > volumeClaimTemplates 使 用 PersistentVolume Provisioner 提 供 的 < a href = "https://kubernetes.io/docs/concepts/storage/volumes" target = "_blank" > PersistentVolumes< / a > 作 为 稳 定 存 储 。 < / li >
< / ul >
< pre class = "language-" > < code class = "lang-yaml" > < span class = "token key atrule" > apiVersion< / span > < span class = "token punctuation" > :< / span > v1
< span class = "token key atrule" > kind< / span > < span class = "token punctuation" > :< / span > Service
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > nginx
< span class = "token key atrule" > labels< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > app< / span > < span class = "token punctuation" > :< / span > nginx
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > ports< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > port< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 80< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > web
< span class = "token key atrule" > clusterIP< / span > < span class = "token punctuation" > :< / span > None
< span class = "token key atrule" > selector< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > app< / span > < span class = "token punctuation" > :< / span > nginx
< span class = "token punctuation" > ---< / span >
< span class = "token key atrule" > apiVersion< / span > < span class = "token punctuation" > :< / span > apps/v1beta1
< span class = "token key atrule" > kind< / span > < span class = "token punctuation" > :< / span > StatefulSet
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > web
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > serviceName< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " nginx" < / span >
< span class = "token key atrule" > replicas< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 3< / span >
< span class = "token key atrule" > template< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > labels< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > app< / span > < span class = "token punctuation" > :< / span > nginx
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > terminationGracePeriodSeconds< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 10< / span >
< span class = "token key atrule" > containers< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > nginx
< span class = "token key atrule" > image< / span > < span class = "token punctuation" > :< / span > gcr.io/google_containers/nginx< span class = "token punctuation" > -< / span > slim< span class = "token punctuation" > :< / span > < span class = "token number" > 0.8< / span >
< span class = "token key atrule" > ports< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > containerPort< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 80< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > web
< span class = "token key atrule" > volumeMounts< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > www
< span class = "token key atrule" > mountPath< / span > < span class = "token punctuation" > :< / span > /usr/share/nginx/html
< span class = "token key atrule" > volumeClaimTemplates< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > www
< span class = "token key atrule" > annotations< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > volume.beta.kubernetes.io/storage-class< / span > < span class = "token punctuation" > :< / span > anything
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > accessModes< / span > < span class = "token punctuation" > :< / span > < span class = "token punctuation" > [< / span > < span class = "token string" > " ReadWriteOnce" < / span > < span class = "token punctuation" > ]< / span >
< span class = "token key atrule" > resources< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > requests< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > storage< / span > < span class = "token punctuation" > :< / span > 1Gi
< / code > < / pre >
< h2 id = "pod-身份" > Pod 身 份 < / h2 >
< p > StatefulSet Pod 具 有 唯 一 的 身 份 ， 包 括 序 数 ， 稳 定 的 网 络 身 份 和 稳 定 的 存 储 。 身 份 绑 定 到 Pod 上 ， 不 管 它 （ 重 新 ） 调 度 到 哪 个 节 点 上 。 < / p >
< h3 id = "序数" > 序 数 < / h3 >
< p > 对 于 一 个 有 N 个 副 本 的 StatefulSet， 每 个 副 本 都 会 被 指 定 一 个 整 数 序 数 ， 在 [0,N)之 间 ， 且 唯 一 。 < / p >
< h2 id = "稳定的网络-id" > 稳 定 的 网 络 ID< / h2 >
< p > StatefulSet 中 的 每 个 Pod 从 StatefulSet 的 名 称 和 Pod 的 序 数 派 生 其 主 机 名 。 构 造 的 主 机 名 的 模 式 是 < code > $（ statefulset名 称 )-$(序 数 )< / code > 。 上 面 的 例 子 将 创 建 三 个 名 为 < code > web-0， web-1， web-2< / code > 的 Pod。 < / p >
< p > StatefulSet 可 以 使 用 < a href = "https://kubernetes.io/docs/concepts/services-networking/service/#headless-services" target = "_blank" > Headless Service< / a > 来 控 制 其 Pod 的 域 。 此 服 务 管 理 的 域 的 格 式 为 ： < code > $(服 务 名 称 ).$(namespace).svc.cluster.local< / code > ， 其 中 “ cluster.local” 是 集 群 域 。 < / p >
< p > 在 创 建 每 个 Pod时 ， 它 将 获 取 一 个 匹 配 的 DNS 子 域 ， 采 用 以 下 形 式 ： < code > $(pod 名 称 ).$(管 理 服 务 域 )< / code > ， 其 中 管 理 服 务 由 StatefulSet 上 的 < code > serviceName< / code > 字 段 定 义 。 < / p >
< p > 以 下 是 Cluster Domain， 服 务 名 称 ， StatefulSet 名 称 以 及 如 何 影 响 StatefulSet 的 Pod 的 DNS 名 称 的 一 些 示 例 。 < / p >
< table >
< thead >
< tr >
< th > Cluster Domain< / th >
< th > Service (ns/name)< / th >
< th > StatefulSet (ns/name)< / th >
< th > StatefulSet Domain< / th >
< th > Pod DNS< / th >
< th > Pod Hostname< / th >
< / tr >
< / thead >
< tbody >
< tr >
< td > cluster.local< / td >
< td > default/nginx< / td >
< td > default/web< / td >
< td > nginx.default.svc.cluster.local< / td >
< td > web-{0..N-1}.nginx.default.svc.cluster.local< / td >
< td > web-{0..N-1}< / td >
< / tr >
< tr >
< td > cluster.local< / td >
< td > foo/nginx< / td >
< td > foo/web< / td >
< td > nginx.foo.svc.cluster.local< / td >
< td > web-{0..N-1}.nginx.foo.svc.cluster.local< / td >
< td > web-{0..N-1}< / td >
< / tr >
< tr >
< td > kube.local< / td >
< td > foo/nginx< / td >
< td > foo/web< / td >
< td > nginx.foo.svc.kube.local< / td >
< td > web-{0..N-1}.nginx.foo.svc.kube.local< / td >
< td > web-{0..N-1}< / td >
< / tr >
< / tbody >
< / table >
< p > 注 意 Cluster Domain 将 被 设 置 成 < code > cluster.local< / code > 除 非 进 行 了 其 他 配 置 。 < / p >
< h3 id = "稳定存储" > 稳 定 存 储 < / h3 >
< p > Kubernetes 为 每 个 VolumeClaimTemplate 创 建 一 个 < a href = "https://kubernetes.io/docs/concepts/storage/volumes" target = "_blank" > PersistentVolume< / a > 。 上 面 的 nginx 的 例 子 中 ， 每 个 Pod 将 具 有 一 个 由 < code > anything< / code > 存 储 类 创 建 的 1 GB 存 储 的 PersistentVolume。 当 该 Pod （ 重 新 ） 调 度 到 节 点 上 ， < code > volumeMounts< / code > 将 挂 载 与 PersistentVolume Claim 相 关 联 的 PersistentVolume。 请 注 意 ， 与 PersistentVolume Claim 相 关 联 的 PersistentVolume 在 产 出 Pod 或 StatefulSet 的 时 候 不 会 被 删 除 。 这 必 须 手 动 完 成 。 < / p >
< h2 id = "部署和-scale-保证" > 部 署 和 Scale 保 证 < / h2 >
< ul >
< li > 对 于 有 N 个 副 本 的 StatefulSet， Pod 将 按 照 {0..N-1} 的 顺 序 被 创 建 和 部 署 。 < / li >
< li > 当 删 除 Pod 的 时 候 ， 将 按 照 逆 序 来 终 结 ， 从 {N-1..0}< / li >
< li > 对 Pod 执 行 scale 操 作 之 前 ， 它 所 有 的 前 任 必 须 处 于 Running 和 Ready 状 态 。 < / li >
< li > 在 终 止 Pod 前 ， 它 所 有 的 继 任 者 必 须 处 于 完 全 关 闭 状 态 。 < / li >
< / ul >
< p > 不 应 该 将 StatefulSet 的 < code > pod.Spec.TerminationGracePeriodSeconds< / code > 设 置 为 0。 这 样 是 不 安 全 的 且 强 烈 不 建 议 您 这 样 做 。 进 一 步 解 释 ， 请 参 阅 < a href = "https://kubernetes.io/docs/tasks/run-application/force-delete-stateful-set-pod" target = "_blank" > 强 制 删 除 StatefulSet Pod< / a > 。 < / p >
< p > 上 面 的 nginx 示 例 创 建 后 ， 3 个 Pod 将 按 照 如 下 顺 序 创 建 web-0， web-1， web-2。 在 web-0 处 于 < a href = "https://kubernetes.io/docs/user-guide/pod-states" target = "_blank" > 运 行 并 就 绪 < / a > 状 态 之 前 ， web-1 将 不 会 被 部 署 ， 同 样 当 web-1 处 于 运 行 并 就 绪 状 态 之 前 web-2也 不 会 被 部 署 。 如 果 在 web-1 运 行 并 就 绪 后 ， web-2 启 动 之 前 ， web-0 失 败 了 ， web-2 将 不 会 启 动 ， 直 到 web-0 成 功 重 启 并 处 于 运 行 并 就 绪 状 态 。 < / p >
< p > 如 果 用 户 通 过 修 补 StatefulSet 来 scale 部 署 的 示 例 ， 以 使 < code > replicas=1< / code > ， 则 web-2 将 首 先 被 终 止 。 在 web-2 完 全 关 闭 和 删 除 之 前 ， web-1 不 会 被 终 止 。 如 果 web-0 在 web-2 终 止 并 且 完 全 关 闭 之 后 ， 但 是 在 web-1 终 止 之 前 失 败 ， 则 web-1 将 不 会 终 止 ， 除 非 web-0 正 在 运 行 并 准 备 就 绪 。 < / p >
< h3 id = "pod-管理策略" > Pod 管 理 策 略 < / h3 >
< p > 在 Kubernetes 1.7 和 之 后 版 本 ， StatefulSet 允 许 您 放 开 顺 序 保 证 ， 同 时 通 过 < code > .spec.podManagementPolicy< / code > 字 段 保 证 身 份 的 唯 一 性 。 < / p >
< h4 id = "orderedready-pod-管理" > OrderedReady Pod 管 理 < / h4 >
< p > StatefulSet 中 默 认 使 用 的 是 < code > OrderedReady< / code > pod 管 理 。 它 实 现 了 < a href = "https://kubernetes.io/docs/concepts/workloads/controllers/statefulset.md#deployment-and-scaling-guarantees" target = "_blank" > 如 上 < / a > 所 述 的 行 为 。 < / p >
< h4 id = "并行-pod-管理" > 并 行 Pod 管 理 < / h4 >
< p > < code > Parallel< / code > pod 管 理 告 诉 StatefulSet controller 并 行 的 启 动 和 终 止 Pod， 在 启 动 和 终 止 其 他 Pod 之 前 不 会 等 待 Pod 变 成 运 行 并 就 绪 或 完 全 终 止 状 态 。 < / p >
< h2 id = "更新策略" > 更 新 策 略 < / h2 >
< p > 在 kubernetes 1.7 和 以 上 版 本 中 ， StatefulSet 的 < code > .spec.updateStrategy< / code > 字 段 允 许 您 配 置 和 禁 用 StatefulSet 中 的 容 器 、 label、 resource request/limit、 annotation 的 滚 动 更 新 。 < / p >
< h3 id = "删除" > 删 除 < / h3 >
< p > < code > OnDelete< / code > 更 新 策 略 实 现 了 遗 留 （ 1.6和 以 前 ） 的 行 为 。 当 < code > spec.updateStrategy< / code > 未 指 定 时 ， 这 是 默 认 策 略 。 当 StatefulSet 的 < code > .spec.updateStrategy.type< / code > 设 置 为 < code > OnDelete< / code > 时 ， StatefulSet 控 制 器 将 不 会 自 动 更 新 < code > StatefulSet< / code > 中 的 Pod。 用 户 必 须 手 动 删 除 Pod 以 使 控 制 器 创 建 新 的 Pod， 以 反 映 对 StatefulSet的 < code > .spec.template< / code > 进 行 的 修 改 。 < / p >
< h3 id = "滚动更新" > 滚 动 更 新 < / h3 >
< p > < code > RollingUpdate< / code > 更 新 策 略 在 StatefulSet 中 实 现 Pod 的 自 动 滚 动 更 新 。 当 StatefulSet的 < code > .spec.updateStrategy.type< / code > 设 置 为 < code > RollingUpdate< / code > 时 ， StatefulSet 控 制 器 将 在 StatefulSet 中 删 除 并 重 新 创 建 每 个 Pod。 它 将 以 与 Pod 终 止 相 同 的 顺 序 进 行 （ 从 最 大 的 序 数 到 最 小 的 序 数 ） ， 每 次 更 新 一 个 Pod。 在 更 新 其 前 身 之 前 ， 它 将 等 待 正 在 更 新 的 Pod 状 态 变 成 正 在 运 行 并 就 绪 。 < / p >
< h4 id = "分区" > 分 区 < / h4 >
< p > 可 以 通 过 指 定 < code > .spec.updateStrategy.rollingUpdate.partition< / code > 来 对 < code > RollingUpdate< / code > 更 新 策 略 进 行 分 区 。 如 果 指 定 了 分 区 ， 则 当 StatefulSet 的 < code > .spec.template< / code > 更 新 时 ， 具 有 大 于 或 等 于 分 区 序 数 的 所 有 Pod 将 被 更 新 。 具 有 小 于 分 区 的 序 数 的 所 有 Pod 将 不 会 被 更 新 ， 即 使 删 除 它 们 也 将 被 重 新 创 建 。 如 果 StatefulSet 的 < code > .spec.updateStrategy.rollingUpdate.partition< / code > 大 于 其 < code > .spec.replicas< / code > ， 则 其 < code > .spec.template< / code > 的 更 新 将 不 会 传 播 到 Pod。 < / p >
< p > 在 大 多 数 情 况 下 ， 您 不 需 要 使 用 分 区 ， 但 如 果 您 想 要 进 行 分 阶 段 更 新 ， 使 用 金 丝 雀 发 布 或 执 行 分 阶 段 发 布 ， 它 们 将 非 常 有 用 。 < / p >
< h2 id = "简单示例" > 简 单 示 例 < / h2 >
< p > 以 一 个 简 单 的 nginx服 务 < a href = "https://github.com/rootsongjc/kubernetes-handbook/blob/master/manifests/test/web.yaml" target = "_blank" > web.yaml< / a > 为 例 ： < / p >
< pre class = "language-" > < code class = "lang-yaml" > < span class = "token punctuation" > ---< / span >
< span class = "token key atrule" > apiVersion< / span > < span class = "token punctuation" > :< / span > v1
< span class = "token key atrule" > kind< / span > < span class = "token punctuation" > :< / span > Service
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > nginx
< span class = "token key atrule" > labels< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > app< / span > < span class = "token punctuation" > :< / span > nginx
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > ports< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > port< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 80< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > web
< span class = "token key atrule" > clusterIP< / span > < span class = "token punctuation" > :< / span > None
< span class = "token key atrule" > selector< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > app< / span > < span class = "token punctuation" > :< / span > nginx
< span class = "token punctuation" > ---< / span >
< span class = "token key atrule" > apiVersion< / span > < span class = "token punctuation" > :< / span > apps/v1beta1
< span class = "token key atrule" > kind< / span > < span class = "token punctuation" > :< / span > StatefulSet
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > web
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > serviceName< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " nginx" < / span >
< span class = "token key atrule" > replicas< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 2< / span >
< span class = "token key atrule" > template< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > labels< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > app< / span > < span class = "token punctuation" > :< / span > nginx
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > containers< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > nginx
< span class = "token key atrule" > image< / span > < span class = "token punctuation" > :< / span > gcr.io/google_containers/nginx< span class = "token punctuation" > -< / span > slim< span class = "token punctuation" > :< / span > < span class = "token number" > 0.8< / span >
< span class = "token key atrule" > ports< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > containerPort< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 80< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > web
< span class = "token key atrule" > volumeMounts< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > www
< span class = "token key atrule" > mountPath< / span > < span class = "token punctuation" > :< / span > /usr/share/nginx/html
< span class = "token key atrule" > volumeClaimTemplates< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > www
< span class = "token key atrule" > annotations< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > volume.alpha.kubernetes.io/storage-class< / span > < span class = "token punctuation" > :< / span > anything
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > accessModes< / span > < span class = "token punctuation" > :< / span > < span class = "token punctuation" > [< / span > < span class = "token string" > " ReadWriteOnce" < / span > < span class = "token punctuation" > ]< / span >
< span class = "token key atrule" > resources< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > requests< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > storage< / span > < span class = "token punctuation" > :< / span > 1Gi
< / code > < / pre >
< pre class = "language-" > < code class = "lang-sh" > $ kubectl create -f web.yaml
< span class = "token function" > service< / span > < span class = "token string" > " nginx" < / span > created
statefulset < span class = "token string" > " web" < / span > created
< span class = "token comment" > # 查 看 创 建 的 headless service和 statefulset< / span >
$ kubectl get < span class = "token function" > service< / span > nginx
NAME CLUSTER-IP EXTERNAL-IP PORT< span class = "token punctuation" > (< / span > S< span class = "token punctuation" > )< / span > AGE
nginx None < span class = "token operator" > < < / span > none< span class = "token operator" > > < / span > < span class = "token number" > 80< / span > /TCP 1m
$ kubectl get statefulset web
NAME DESIRED CURRENT AGE
web < span class = "token number" > 2< / span > < span class = "token number" > 2< / span > 2m
< span class = "token comment" > # 根 据 volumeClaimTemplates自 动 创 建 PVC（ 在 GCE中 会 自 动 创 建 kubernetes.io/gce-pd类 型 的 volume） < / span >
$ kubectl get pvc
NAME STATUS VOLUME CAPACITY ACCESSMODES AGE
www-web-0 Bound pvc-d064a004-d8d4-11e6-b521-42010a800002 1Gi RWO 16s
www-web-1 Bound pvc-d06a3946-d8d4-11e6-b521-42010a800002 1Gi RWO 16s
< span class = "token comment" > # 查 看 创 建 的 Pod， 他 们 都 是 有 序 的 < / span >
$ kubectl get pods -l < span class = "token assign-left variable" > app< / span > < span class = "token operator" > =< / span > nginx
NAME READY STATUS RESTARTS AGE
web-0 < span class = "token number" > 1< / span > /1 Running < span class = "token number" > 0< / span > 5m
web-1 < span class = "token number" > 1< / span > /1 Running < span class = "token number" > 0< / span > 4m
< span class = "token comment" > # 使 用 nslookup查 看 这 些 Pod的 DNS< / span >
$ kubectl run -i --tty --image busybox dns-test --restart< span class = "token operator" > =< / span > Never --rm /bin/sh
/ < span class = "token comment" > # nslookup web-0.nginx< / span >
Server: < span class = "token number" > 10.0< / span > .0.10
Address < span class = "token number" > 1< / span > : < span class = "token number" > 10.0< / span > .0.10 kube-dns.kube-system.svc.cluster.local
Name: web-0.nginx
Address < span class = "token number" > 1< / span > : < span class = "token number" > 10.244< / span > .2.10
/ < span class = "token comment" > # nslookup web-1.nginx< / span >
Server: < span class = "token number" > 10.0< / span > .0.10
Address < span class = "token number" > 1< / span > : < span class = "token number" > 10.0< / span > .0.10 kube-dns.kube-system.svc.cluster.local
Name: web-1.nginx
Address < span class = "token number" > 1< / span > : < span class = "token number" > 10.244< / span > .3.12
/ < span class = "token comment" > # nslookup web-0.nginx.default.svc.cluster.local< / span >
Server: < span class = "token number" > 10.0< / span > .0.10
Address < span class = "token number" > 1< / span > : < span class = "token number" > 10.0< / span > .0.10 kube-dns.kube-system.svc.cluster.local
Name: web-0.nginx.default.svc.cluster.local
Address < span class = "token number" > 1< / span > : < span class = "token number" > 10.244< / span > .2.10
< / code > < / pre >
< p > 还 可 以 进 行 其 他 的 操 作 < / p >
< pre class = "language-" > < code class = "lang-sh" > < span class = "token comment" > # 扩 容 < / span >
$ kubectl scale statefulset web --replicas< span class = "token operator" > =< / span > < span class = "token number" > 5< / span >
< span class = "token comment" > # 缩 容 < / span >
$ kubectl patch statefulset web -p < span class = "token string" > ' {" spec" :{" replicas" :3}}' < / span >
< span class = "token comment" > # 镜 像 更 新 （ 目 前 还 不 支 持 直 接 更 新 image， 需 要 patch来 间 接 实 现 ） < / span >
$ kubectl patch statefulset web --type< span class = "token operator" > =< / span > < span class = "token string" > ' json' < / span > -p< span class = "token operator" > =< / span > < span class = "token string" > ' [{" op" : " replace" , " path" : " /spec/template/spec/containers/0/image" , " value" :" gcr.io/google_containers/nginx-slim:0.7" }]' < / span >
< span class = "token comment" > # 删 除 StatefulSet和 Headless Service< / span >
$ kubectl delete statefulset web
$ kubectl delete < span class = "token function" > service< / span > nginx
< span class = "token comment" > # StatefulSet删 除 后 PVC还 会 保 留 着 ， 数 据 不 再 使 用 的 话 也 需 要 删 除 < / span >
$ kubectl delete pvc www-web-0 www-web-1
< / code > < / pre >
< h2 id = "zookeeper" > zookeeper< / h2 >
< p > 另 外 一 个 更 能 说 明 StatefulSet强 大 功 能 的 示 例 为 < a href = "https://github.com/rootsongjc/kubernetes-handbook/blob/master/manifests/test/zookeeper.yaml" target = "_blank" > zookeeper.yaml< / a > ， 这 个 例 子 仅 为 讲 解 ， 实 际 可 用 的 配 置 请 使 用 < a href = "https://github.com/kubernetes/contrib/tree/master/statefulsets" target = "_blank" > https://github.com/kubernetes/contrib/tree/master/statefulsets< / a > 中 的 配 置 。 < / p >
< pre class = "language-" > < code class = "lang-yaml" > < span class = "token punctuation" > ---< / span >
< span class = "token key atrule" > apiVersion< / span > < span class = "token punctuation" > :< / span > v1
< span class = "token key atrule" > kind< / span > < span class = "token punctuation" > :< / span > Service
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > headless
< span class = "token key atrule" > labels< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > app< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > headless
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > ports< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > port< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 2888< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > server
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > port< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 3888< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > leader< span class = "token punctuation" > -< / span > election
< span class = "token key atrule" > clusterIP< / span > < span class = "token punctuation" > :< / span > None
< span class = "token key atrule" > selector< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > app< / span > < span class = "token punctuation" > :< / span > zk
< span class = "token punctuation" > ---< / span >
< span class = "token key atrule" > apiVersion< / span > < span class = "token punctuation" > :< / span > v1
< span class = "token key atrule" > kind< / span > < span class = "token punctuation" > :< / span > ConfigMap
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > config
< span class = "token key atrule" > data< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > ensemble< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " zk-0;zk-1;zk-2" < / span >
< span class = "token key atrule" > jvm.heap< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 2G" < / span >
< span class = "token key atrule" > tick< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 2000" < / span >
< span class = "token key atrule" > init< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 10" < / span >
< span class = "token key atrule" > sync< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 5" < / span >
< span class = "token key atrule" > client.cnxns< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 60" < / span >
< span class = "token key atrule" > snap.retain< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 3" < / span >
< span class = "token key atrule" > purge.interval< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 1" < / span >
< span class = "token punctuation" > ---< / span >
< span class = "token key atrule" > apiVersion< / span > < span class = "token punctuation" > :< / span > policy/v1beta1
< span class = "token key atrule" > kind< / span > < span class = "token punctuation" > :< / span > PodDisruptionBudget
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > budget
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > selector< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > matchLabels< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > app< / span > < span class = "token punctuation" > :< / span > zk
< span class = "token key atrule" > minAvailable< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 2< / span >
< span class = "token punctuation" > ---< / span >
< span class = "token key atrule" > apiVersion< / span > < span class = "token punctuation" > :< / span > apps/v1beta1
< span class = "token key atrule" > kind< / span > < span class = "token punctuation" > :< / span > StatefulSet
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > serviceName< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > headless
< span class = "token key atrule" > replicas< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 3< / span >
< span class = "token key atrule" > template< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > labels< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > app< / span > < span class = "token punctuation" > :< / span > zk
< span class = "token key atrule" > annotations< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > pod.alpha.kubernetes.io/initialized< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " true" < / span >
< span class = "token key atrule" > scheduler.alpha.kubernetes.io/affinity< / span > < span class = "token punctuation" > :< / span > < span class = "token punctuation" > > < / span > < span class = "token scalar string" >
{
" podAntiAffinity" : {
" requiredDuringSchedulingRequiredDuringExecution" : [{
" labelSelector" : {
" matchExpressions" : [{
" key" : " app" ,
" operator" : " In" ,
" values" : [" zk-headless" ]
}]
},
" topologyKey" : " kubernetes.io/hostname"
}]
}
}< / span >
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > containers< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > k8szk
< span class = "token key atrule" > imagePullPolicy< / span > < span class = "token punctuation" > :< / span > Always
< span class = "token key atrule" > image< / span > < span class = "token punctuation" > :< / span > gcr.io/google_samples/k8szk< span class = "token punctuation" > :< / span > v1
< span class = "token key atrule" > resources< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > requests< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > memory< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 4Gi" < / span >
< span class = "token key atrule" > cpu< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 1" < / span >
< span class = "token key atrule" > ports< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > containerPort< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 2181< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > client
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > containerPort< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 2888< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > server
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > containerPort< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 3888< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > leader< span class = "token punctuation" > -< / span > election
< span class = "token key atrule" > env< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_ENSEMBLE
< span class = "token key atrule" > valueFrom< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > configMapKeyRef< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > config
< span class = "token key atrule" > key< / span > < span class = "token punctuation" > :< / span > ensemble
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_HEAP_SIZE
< span class = "token key atrule" > valueFrom< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > configMapKeyRef< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > config
< span class = "token key atrule" > key< / span > < span class = "token punctuation" > :< / span > jvm.heap
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_TICK_TIME
< span class = "token key atrule" > valueFrom< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > configMapKeyRef< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > config
< span class = "token key atrule" > key< / span > < span class = "token punctuation" > :< / span > tick
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_INIT_LIMIT
< span class = "token key atrule" > valueFrom< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > configMapKeyRef< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > config
< span class = "token key atrule" > key< / span > < span class = "token punctuation" > :< / span > init
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_SYNC_LIMIT
< span class = "token key atrule" > valueFrom< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > configMapKeyRef< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > config
< span class = "token key atrule" > key< / span > < span class = "token punctuation" > :< / span > tick
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_MAX_CLIENT_CNXNS
< span class = "token key atrule" > valueFrom< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > configMapKeyRef< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > config
< span class = "token key atrule" > key< / span > < span class = "token punctuation" > :< / span > client.cnxns
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_SNAP_RETAIN_COUNT
< span class = "token key atrule" > valueFrom< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > configMapKeyRef< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > config
< span class = "token key atrule" > key< / span > < span class = "token punctuation" > :< / span > snap.retain
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_PURGE_INTERVAL
< span class = "token key atrule" > valueFrom< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > configMapKeyRef< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > zk< span class = "token punctuation" > -< / span > config
< span class = "token key atrule" > key< / span > < span class = "token punctuation" > :< / span > purge.interval
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_CLIENT_PORT
< span class = "token key atrule" > value< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 2181" < / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_SERVER_PORT
< span class = "token key atrule" > value< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 2888" < / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > ZK_ELECTION_PORT
< span class = "token key atrule" > value< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 3888" < / span >
< span class = "token key atrule" > command< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > sh
< span class = "token punctuation" > -< / span > < span class = "token punctuation" > -< / span > c
< span class = "token punctuation" > -< / span > zkGenConfig.sh < span class = "token important" > & & < / span > zkServer.sh start< span class = "token punctuation" > -< / span > foreground
< span class = "token key atrule" > readinessProbe< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > exec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > command< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token string" > " zkOk.sh" < / span >
< span class = "token key atrule" > initialDelaySeconds< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 15< / span >
< span class = "token key atrule" > timeoutSeconds< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 5< / span >
< span class = "token key atrule" > livenessProbe< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > exec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > command< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token string" > " zkOk.sh" < / span >
< span class = "token key atrule" > initialDelaySeconds< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 15< / span >
< span class = "token key atrule" > timeoutSeconds< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 5< / span >
< span class = "token key atrule" > volumeMounts< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > datadir
< span class = "token key atrule" > mountPath< / span > < span class = "token punctuation" > :< / span > /var/lib/zookeeper
< span class = "token key atrule" > securityContext< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > runAsUser< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 1000< / span >
< span class = "token key atrule" > fsGroup< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 1000< / span >
< span class = "token key atrule" > volumeClaimTemplates< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > metadata< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > datadir
< span class = "token key atrule" > annotations< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > volume.alpha.kubernetes.io/storage-class< / span > < span class = "token punctuation" > :< / span > anything
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > accessModes< / span > < span class = "token punctuation" > :< / span > < span class = "token punctuation" > [< / span > < span class = "token string" > " ReadWriteOnce" < / span > < span class = "token punctuation" > ]< / span >
< span class = "token key atrule" > resources< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > requests< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > storage< / span > < span class = "token punctuation" > :< / span > 20Gi
< / code > < / pre >
< pre class = "language-" > < code class = "lang-sh" > kubectl create -f zookeeper.yaml
< / code > < / pre >
< p > 详 细 的 使 用 说 明 见 < a href = "https://kubernetes.io/docs/tutorials/stateful-application/zookeeper/" target = "_blank" > zookeeper stateful application< / a > 。 < / p >
< p > 关 于 StatefulSet的 更 多 示 例 请 参 阅 < a href = "https://github.com/kubernetes/contrib/tree/master/statefulsets" target = "_blank" > github.com/kubernetes/contrib - statefulsets< / a > ， 其 中 包 括 了 zookeeper和 kafka。 < / p >
< h2 id = "集群外部访问statefulset的pod" > 集 群 外 部 访 问 StatefulSet的 Pod< / h2 >
< p > 我 们 设 想 一 下 这 样 的 场 景 ： 在 kubernetes集 群 外 部 调 试 StatefulSet中 有 序 的 Pod， 那 么 如 何 访 问 这 些 的 pod呢 ？ < / p >
< p > 方 法 是 为 pod设 置 label， 然 后 用 < code > kubectl expose< / code > 将 其 以 NodePort的 方 式 暴 露 到 集 群 外 部 ， 以 上 面 的 zookeeper的 例 子 来 说 明 ， 下 面 使 用 命 令 的 方 式 来 暴 露 其 中 的 两 个 zookeeper节 点 ， 也 可 以 写 一 个 serivce配 置 yaml文 件 。 < / p >
< pre class = "language-" > < code class = "lang-bash" > kubectl label pod zk-0 < span class = "token assign-left variable" > zkInst< / span > < span class = "token operator" > =< / span > < span class = "token number" > 0< / span >
kubectl label pod zk-1 < span class = "token assign-left variable" > zkInst< / span > < span class = "token operator" > =< / span > < span class = "token number" > 1< / span >
kubectl expose po zk-0 --port< span class = "token operator" > =< / span > < span class = "token number" > 2181< / span > --target-port< span class = "token operator" > =< / span > < span class = "token number" > 2181< / span > --name< span class = "token operator" > =< / span > zk-0 --selector< span class = "token operator" > =< / span > zkInst< span class = "token operator" > =< / span > < span class = "token number" > 0< / span > --type< span class = "token operator" > =< / span > NodePort
kubectl expose po zk-1 --port< span class = "token operator" > =< / span > < span class = "token number" > 2181< / span > --target-port< span class = "token operator" > =< / span > < span class = "token number" > 2181< / span > --name< span class = "token operator" > =< / span > zk-1 --selector< span class = "token operator" > =< / span > zkInst< span class = "token operator" > =< / span > < span class = "token number" > 1< / span > --type< span class = "token operator" > =< / span > NodePort
< / code > < / pre >
< p > 这 样 在 kubernetes集 群 外 部 就 可 以 根 据 pod所 在 的 主 机 所 映 射 的 端 口 来 访 问 了 。 < / p >
< p > 查 看 < code > zk-0< / code > 这 个 service可 以 看 到 如 下 结 果 ： < / p >
< pre class = "language-" > < code class = "lang-bash" > NAME CLUSTER-IP EXTERNAL-IP PORT< span class = "token punctuation" > (< / span > S< span class = "token punctuation" > )< / span > AGE
zk-0 < span class = "token number" > 10.254< / span > .98.14 < span class = "token operator" > < < / span > nodes< span class = "token operator" > > < / span > < span class = "token number" > 2181< / span > :31693/TCP 5m
< / code > < / pre >
< p > 集 群 外 部 就 可 以 使 用 所 有 的 node中 的 任 何 一 个 IP:31693来 访 问 这 个 zookeeper实 例 。 < / p >
< h2 id = "参考" > 参 考 < / h2 >
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