2020-06-19 14:52:56 +08:00
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< title > Pod 的生命周期 · 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 >
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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
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< 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 >
< li class = "chapter " data-level = "2.8" data-path = "../cloud-native/cloud-native-programming-languages.html" >
< a href = "../cloud-native/cloud-native-programming-languages.html" >
< b > 2.8.< / b >
云原生编程语言
< / a >
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< li class = "chapter " data-level = "2.8.1" data-path = "../cloud-native/cloud-native-programming-language-ballerina.html" >
< a href = "../cloud-native/cloud-native-programming-language-ballerina.html" >
< b > 2.8.1.< / b >
云原生编程语言 Ballerina
< / a >
< / li >
< li class = "chapter " data-level = "2.8.2" data-path = "../cloud-native/cloud-native-programming-language-pulumi.html" >
< a href = "../cloud-native/cloud-native-programming-language-pulumi.html" >
< b > 2.8.2.< / b >
云原生编程语言 Pulumi
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "2.9" data-path = "../cloud-native/the-future-of-cloud-native.html" >
< a href = "../cloud-native/the-future-of-cloud-native.html" >
< b > 2.9.< / b >
云原生的未来
< / a >
< / li >
< li class = "chapter " data-level = "2.10" data-path = "../cloud-native/define-cloud-native-app.html" >
< a href = "../cloud-native/define-cloud-native-app.html" >
< b > 2.10.< / b >
定义云原生应用
< / a >
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< li class = "chapter " data-level = "2.10.1" data-path = "../cloud-native/workload.html" >
< a href = "../cloud-native/workload.html" >
< b > 2.10.1.< / b >
Workload
< / a >
< / li >
< li class = "chapter " data-level = "2.10.2" data-path = "../cloud-native/component.html" >
< a href = "../cloud-native/component.html" >
< b > 2.10.2.< / b >
Component
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< / li >
< li class = "chapter " data-level = "2.10.3" data-path = "../cloud-native/trait.html" >
< a href = "../cloud-native/trait.html" >
< b > 2.10.3.< / b >
Trait
< / a >
< / li >
< li class = "chapter " data-level = "2.10.4" data-path = "../cloud-native/application-scope.html" >
< a href = "../cloud-native/application-scope.html" >
< b > 2.10.4.< / b >
Application Scope
< / a >
< / li >
< li class = "chapter " data-level = "2.10.5" data-path = "../cloud-native/application-configuration.html" >
< a href = "../cloud-native/application-configuration.html" >
< b > 2.10.5.< / b >
Application Configuration
< / a >
< / li >
< / ul >
< / li >
< 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 >
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< 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 >
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< 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" >
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< b > 3.1.3.3.< / b >
CSI - Container Storage Interface（ ）
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< li class = "chapter " data-level = "3.2" data-path = "networking.html" >
< a href = "networking.html" >
< b > 3.2.< / b >
Kubernetes 中的网络
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< 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
< / a >
< / li >
< / ul >
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< / 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 >
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< 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
< / a >
< / 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
< / a >
< / 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 active" 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
< / a >
< / 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
< / a >
< / 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（
< / a >
< / li >
< / ul >
< / li >
< 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
< / a >
< / li >
< li class = "chapter " data-level = "3.5.2" data-path = "namespace.html" >
< a href = "namespace.html" >
< b > 3.5.2.< / b >
Namespace
< / a >
< / li >
< 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
< / a >
< / li >
< 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（ ）
< / a >
< / li >
< 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
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.6" data-path = "controllers.html" >
< a href = "controllers.html" >
< b > 3.6.< / b >
控制器
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.6.1" data-path = "deployment.html" >
< a href = "deployment.html" >
< b > 3.6.1.< / b >
Deployment
< / a >
< / li >
< li class = "chapter " data-level = "3.6.2" data-path = "statefulset.html" >
< a href = "statefulset.html" >
< b > 3.6.2.< / b >
StatefulSet
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< / li >
< li class = "chapter " data-level = "3.6.3" data-path = "daemonset.html" >
< a href = "daemonset.html" >
< b > 3.6.3.< / b >
DaemonSet
< / a >
< / li >
< li class = "chapter " data-level = "3.6.4" data-path = "replicaset.html" >
< a href = "replicaset.html" >
< b > 3.6.4.< / b >
ReplicationController 和 ReplicaSet
< / a >
< / li >
< li class = "chapter " data-level = "3.6.5" data-path = "job.html" >
< a href = "job.html" >
< b > 3.6.5.< / b >
Job
< / a >
< / li >
< li class = "chapter " data-level = "3.6.6" data-path = "cronjob.html" >
< a href = "cronjob.html" >
< b > 3.6.6.< / b >
CronJob
< / a >
< / li >
< 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
< / a >
< ul class = "articles" >
< 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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< / li >
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< / li >
< li class = "chapter " data-level = "3.6.8" data-path = "admission-controller.html" >
< a href = "admission-controller.html" >
< b > 3.6.8.< / b >
准入控制器（ ）
< / a >
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< / li >
< li class = "chapter " data-level = "3.7" data-path = "service-discovery.html" >
< a href = "service-discovery.html" >
< 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
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< 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
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< 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
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< 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
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< li class = "chapter " data-level = "3.9.3" data-path = "volume.html" >
< a href = "volume.html" >
< b > 3.9.3.< / b >
Volume
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< / 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 >
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< li class = "chapter " data-level = "3.9.5" data-path = "storageclass.html" >
< a href = "storageclass.html" >
< b > 3.9.5.< / b >
Storage Class
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< / 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
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< li class = "chapter " data-level = "3.10" data-path = "extension.html" >
< a href = "extension.html" >
< b > 3.10.< / b >
集群扩展
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< 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
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< / 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 >
Kubernetic - Kubernetes 桌面客户端
< / 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 >
2020-06-22 17:07:42 +08:00
< 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 >
2020-06-19 14:52:56 +08:00
< / 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 >
< li class = "chapter " data-level = "6.6" data-path = "../usecases/cloud-native-app-standard.html" >
< a href = "../usecases/cloud-native-app-standard.html" >
< b > 6.6.< / b >
云原生应用标准
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.6.1" data-path = "../usecases/oam.html" >
< a href = "../usecases/oam.html" >
< b > 6.6.1.< / b >
OAM（ ）
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.7" data-path = "../usecases/edge-computing.html" >
< a href = "../usecases/edge-computing.html" >
< b > 6.7.< / b >
边缘计算
< / a >
< / li >
< li class = "chapter " data-level = "6.8" data-path = "../usecases/ai.html" >
< a href = "../usecases/ai.html" >
< b > 6.8.< / b >
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 = ".." > Pod 的生命周期< / 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 = "pod-的生命周期" > Pod 的 生 命 周 期 < / h1 >
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< p > 本 文 讲 解 的 是 Kubernetes 中 Pod 的 生 命 周 期 ， 包 括 生 命 周 期 的 不 同 阶 段 、 存 活 和 就 绪 探 针 、 重 启 策 略 等 。 < / p >
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< h2 id = "pod-phase" > Pod phase< / h2 >
< p > Pod 的 < code > status< / code > 字 段 是 一 个 PodStatus 对 象 ， PodStatus中 有 一 个 < code > phase< / code > 字 段 。 < / p >
< p > Pod 的 相 位 （ phase） 是 Pod 在 其 生 命 周 期 中 的 简 单 宏 观 概 述 。 该 阶 段 并 不 是 对 容 器 或 Pod 的 综 合 汇 总 ， 也 不 是 为 了 做 为 综 合 状 态 机 。 < / p >
< p > Pod 相 位 的 数 量 和 含 义 是 严 格 指 定 的 。 除 了 本 文 档 中 列 举 的 状 态 外 ， 不 应 该 再 假 定 Pod 有 其 他 的 < code > phase< / code > 值 。 < / p >
< p > 下 面 是 < code > phase< / code > 可 能 的 值 ： < / p >
< ul >
< li > 挂 起 （ Pending） ： Pod 已 被 Kubernetes 系 统 接 受 ， 但 有 一 个 或 者 多 个 容 器 镜 像 尚 未 创 建 。 等 待 时 间 包 括 调 度 Pod 的 时 间 和 通 过 网 络 下 载 镜 像 的 时 间 ， 这 可 能 需 要 花 点 时 间 。 < / li >
< li > 运 行 中 （ Running） ： 该 Pod 已 经 绑 定 到 了 一 个 节 点 上 ， Pod 中 所 有 的 容 器 都 已 被 创 建 。 至 少 有 一 个 容 器 正 在 运 行 ， 或 者 正 处 于 启 动 或 重 启 状 态 。 < / li >
< li > 成 功 （ Succeeded） ： Pod 中 的 所 有 容 器 都 被 成 功 终 止 ， 并 且 不 会 再 重 启 。 < / li >
< li > 失 败 （ Failed） ： Pod 中 的 所 有 容 器 都 已 终 止 了 ， 并 且 至 少 有 一 个 容 器 是 因 为 失 败 终 止 。 也 就 是 说 ， 容 器 以 非 0状 态 退 出 或 者 被 系 统 终 止 。 < / li >
< li > 未 知 （ Unknown） ： 因 为 某 些 原 因 无 法 取 得 Pod 的 状 态 ， 通 常 是 因 为 与 Pod 所 在 主 机 通 信 失 败 。 < / li >
< / ul >
< p > 下 图 是 Pod的 生 命 周 期 示 意 图 ， 从 图 中 可 以 看 到 Pod状 态 的 变 化 。 < / p >
2020-06-23 16:24:15 +08:00
< figure id = "fig3.4.6.1" > < a href = "../images/kubernetes-pod-life-cycle.jpg" data-lightbox = "943585f8-743b-4e97-a7ae-bc5feb1e75f5" data-title = "Pod的生命周期示意图（图片来自网络）" > < img src = "../images/kubernetes-pod-life-cycle.jpg" alt = "Pod的生命周期示意图（图片来自网络）" > < / a > < figcaption > 图 3.4.6.1： Pod的 生 命 周 期 示 意 图 （ 图 片 来 自 网 络 ） < / figcaption > < / figure >
2020-06-19 14:52:56 +08:00
< h2 id = "pod-状态" > Pod 状 态 < / h2 >
< p > Pod 有 一 个 PodStatus 对 象 ， 其 中 包 含 一 个 PodCondition 数 组 。 PodCondition 数 组 的 每 个 元 素 都 有 一 个 < code > type< / code > 字 段 和 一 个 < code > status< / code > 字 段 。 < code > type< / code > 字 段 是 字 符 串 ， 可 能 的 值 有 PodScheduled、 Ready、 Initialized、 Unschedulable和 ContainersReady。 < code > status< / code > 字 段 是 一 个 字 符 串 ， 可 能 的 值 有 True、 False 和 Unknown。 < / p >
< h2 id = "容器探针" > 容 器 探 针 < / h2 >
< p > 探 针 是 由 < a href = "https://kubernetes.io/docs/admin/kubelet/" target = "_blank" > kubelet< / a > 对 容 器 执 行 的 定 期 诊 断 。 要 执 行 诊 断 ， kubelet 调 用 由 容 器 实 现 的 < a href = "https://godoc.org/k8s.io/kubernetes/pkg/api/v1#Handler" target = "_blank" > Handler< / a > 。 有 三 种 类 型 的 处 理 程 序 ： < / p >
< ul >
< li > ExecAction： 在 容 器 内 执 行 指 定 命 令 。 如 果 命 令 退 出 时 返 回 码 为 0 则 认 为 诊 断 成 功 。 < / li >
< li > TCPSocketAction： 对 指 定 端 口 上 的 容 器 的 IP 地 址 进 行 TCP 检 查 。 如 果 端 口 打 开 ， 则 诊 断 被 认 为 是 成 功 的 。 < / li >
< li > HTTPGetAction： 对 指 定 的 端 口 和 路 径 上 的 容 器 的 IP 地 址 执 行 HTTP Get 请 求 。 如 果 响 应 的 状 态 码 大 于 等 于 200 且 小 于 400， 则 诊 断 被 认 为 是 成 功 的 。 < / li >
< / ul >
< p > 每 次 探 测 都 将 获 得 以 下 三 种 结 果 之 一 ： < / p >
< ul >
< li > 成 功 ： 容 器 通 过 了 诊 断 。 < / li >
< li > 失 败 ： 容 器 未 通 过 诊 断 。 < / li >
< li > 未 知 ： 诊 断 失 败 ， 因 此 不 会 采 取 任 何 行 动 。 < / li >
< / ul >
< p > Kubelet 可 以 选 择 是 否 执 行 在 容 器 上 运 行 的 两 种 探 针 执 行 和 做 出 反 应 ： < / p >
< ul >
< li > < code > livenessProbe< / code > ： 指 示 容 器 是 否 正 在 运 行 。 如 果 存 活 探 测 失 败 ， 则 kubelet 会 杀 死 容 器 ， 并 且 容 器 将 受 到 其 < a href = "https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#restart-policy" target = "_blank" > 重 启 策 略 < / a > 的 影 响 。 如 果 容 器 不 提 供 存 活 探 针 ， 则 默 认 状 态 为 < code > Success< / code > 。 < / li >
< li > < code > readinessProbe< / code > ： 指 示 容 器 是 否 准 备 好 服 务 请 求 。 如 果 就 绪 探 测 失 败 ， 端 点 控 制 器 将 从 与 Pod 匹 配 的 所 有 Service 的 端 点 中 删 除 该 Pod 的 IP 地 址 。 初 始 延 迟 之 前 的 就 绪 状 态 默 认 为 < code > Failure< / code > 。 如 果 容 器 不 提 供 就 绪 探 针 ， 则 默 认 状 态 为 < code > Success< / code > 。 < / li >
< / ul >
< h3 id = "该什么时候使用存活（liveness）和就绪（readiness）探针" > 该 什 么 时 候 使 用 存 活 （ liveness） 和 就 绪 （ readiness） 探 针 ?< / h3 >
< p > 如 果 容 器 中 的 进 程 能 够 在 遇 到 问 题 或 不 健 康 的 情 况 下 自 行 崩 溃 ， 则 不 一 定 需 要 存 活 探 针 ; kubelet 将 根 据 Pod 的 < code > restartPolicy< / code > 自 动 执 行 正 确 的 操 作 。 < / p >
< p > 如 果 您 希 望 容 器 在 探 测 失 败 时 被 杀 死 并 重 新 启 动 ， 那 么 请 指 定 一 个 存 活 探 针 ， 并 指 定 < code > restartPolicy< / code > 为 Always 或 OnFailure。 < / p >
< p > 如 果 要 仅 在 探 测 成 功 时 才 开 始 向 Pod 发 送 流 量 ， 请 指 定 就 绪 探 针 。 在 这 种 情 况 下 ， 就 绪 探 针 可 能 与 存 活 探 针 相 同 ， 但 是 spec 中 的 就 绪 探 针 的 存 在 意 味 着 Pod 将 在 没 有 接 收 到 任 何 流 量 的 情 况 下 启 动 ， 并 且 只 有 在 探 针 探 测 成 功 后 才 开 始 接 收 流 量 。 < / p >
< p > 如 果 您 希 望 容 器 能 够 自 行 维 护 ， 您 可 以 指 定 一 个 就 绪 探 针 ， 该 探 针 检 查 与 存 活 探 针 不 同 的 端 点 。 < / p >
< p > 请 注 意 ， 如 果 您 只 想 在 Pod 被 删 除 时 能 够 排 除 请 求 ， 则 不 一 定 需 要 使 用 就 绪 探 针 ； 在 删 除 Pod 时 ， Pod 会 自 动 将 自 身 置 于 未 完 成 状 态 ， 无 论 就 绪 探 针 是 否 存 在 。 当 等 待 Pod 中 的 容 器 停 止 时 ， Pod 仍 处 于 未 完 成 状 态 。 < / p >
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< h3 id = "readinessgates" > readinessGates< / h3 >
< p > 自 Kubernetes 1.14（ 该 版 本 < code > readinessGates< / code > GA， 在 1.11 版 本 是 为 alpha） 起 默 认 支 持 Pod 就 绪 检 测 机 制 扩 展 。 < / p >
< p > 应 用 程 序 可 以 向 PodStatus 注 入 额 外 的 反 馈 或 信 号 ： Pod readiness。 要 使 用 这 个 功 能 ， 请 在 PodSpec 中 设 置 < code > readinessGates< / code > 来 指 定 kubelet 评 估 Pod readiness 的 附 加 条 件 列 表 。 < / p >
< p > Readiness gates 由 Pod 的 < code > status.condition< / code > 字 段 的 当 前 状 态 决 定 。 如 果 Kubernetes 在 Pod 的 < code > status.conditions< / code > 字 段 中 找 不 到 这 样 的 条 件 ， 则 该 条 件 的 状 态 默 认 为 " False" 。 < / p >
< p > 下 面 是 一 个 例 子 。 < / p >
< pre class = "language-" > < code class = "lang-yaml" > < span class = "token key atrule" > kind< / span > < span class = "token punctuation" > :< / span > Pod
< span class = "token punctuation" > ...< / span >
< span class = "token key atrule" > spec< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > readinessGates< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > conditionType< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " www.example.com/feature-1" < / span >
< span class = "token key atrule" > status< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > conditions< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > type< / span > < span class = "token punctuation" > :< / span > Ready < span class = "token comment" > # 内 置 的 Pod 状 态 < / span >
< span class = "token key atrule" > status< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " False" < / span >
< span class = "token key atrule" > lastProbeTime< / span > < span class = "token punctuation" > :< / span > < span class = "token null important" > null< / span >
< span class = "token key atrule" > lastTransitionTime< / span > < span class = "token punctuation" > :< / span > < span class = "token datetime number" > 2018-01-01T00:00:00Z< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > type< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " www.example.com/feature-1" < / span > < span class = "token comment" > # 附 加 的 额 外 的 Pod 状 态 < / span >
< span class = "token key atrule" > status< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " False" < / span >
< span class = "token key atrule" > lastProbeTime< / span > < span class = "token punctuation" > :< / span > < span class = "token null important" > null< / span >
< span class = "token key atrule" > lastTransitionTime< / span > < span class = "token punctuation" > :< / span > < span class = "token datetime number" > 2018-01-01T00:00:00Z< / span >
< span class = "token key atrule" > containerStatuses< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > containerID< / span > < span class = "token punctuation" > :< / span > docker< span class = "token punctuation" > :< / span > //abcd< span class = "token punctuation" > ...< / span >
< span class = "token key atrule" > ready< / span > < span class = "token punctuation" > :< / span > < span class = "token boolean important" > true< / span >
< span class = "token punctuation" > ...< / span >
< / code > < / pre >
< p > 您 添 加 的 Pod 条 件 的 名 称 必 须 符 合 Kubernetes 的 < a href = "https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#syntax-and-character-set" target = "_blank" > label key 格 式 < / a > 。 < / p >
< p > 只 有 到 Pod 中 的 所 有 容 器 状 态 都 是 Ready， 且 Pod 附 加 的 额 外 状 态 检 测 的 < code > readinessGates< / code > 条 件 也 是 Ready 的 时 候 ， Pod 的 状 态 才 是 Ready。 < / p >
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< h2 id = "pod-和容器状态" > Pod 和 容 器 状 态 < / h2 >
< p > 有 关 Pod 容 器 状 态 的 详 细 信 息 ， 请 参 阅 PodStatus 和 ContainerStatus。 请 注 意 ， 报 告 的 Pod 状 态 信 息 取 决 于 当 前 的 ContainerState。 < / p >
< h2 id = "重启策略" > 重 启 策 略 < / h2 >
< p > PodSpec 中 有 一 个 < code > restartPolicy< / code > 字 段 ， 可 能 的 值 为 Always、 OnFailure 和 Never。 默 认 为 Always。 < code > restartPolicy< / code > 适 用 于 Pod 中 的 所 有 容 器 。 < code > restartPolicy< / code > 仅 指 通 过 同 一 节 点 上 的 kubelet 重 新 启 动 容 器 。 失 败 的 容 器 由 kubelet 以 五 分 钟 为 上 限 的 指 数 退 避 延 迟 （ 10秒 ， 20秒 ， 40秒 ...） 重 新 启 动 ， 并 在 成 功 执 行 十 分 钟 后 重 置 。 如 < a href = "https://kubernetes.io/docs/user-guide/pods/#durability-of-pods-or-lack-thereof" target = "_blank" > Pod 文 档 < / a > 中 所 述 ， 一 旦 绑 定 到 一 个 节 点 ， Pod 将 永 远 不 会 重 新 绑 定 到 另 一 个 节 点 。 < / p >
< h2 id = "pod-的生命" > Pod 的 生 命 < / h2 >
< p > 一 般 来 说 ， Pod 不 会 消 失 ， 直 到 人 为 销 毁 他 们 。 这 可 能 是 一 个 人 或 控 制 器 。 这 个 规 则 的 唯 一 例 外 是 成 功 或 失 败 的 < code > phase< / code > 超 过 一 段 时 间 （ 由 master 确 定 ） 的 Pod将 过 期 并 被 自 动 销 毁 。 < / p >
< p > 有 三 种 可 用 的 控 制 器 ： < / p >
< ul >
< li > 使 用 < a href = "https://kubernetes.io/docs/concepts/jobs/run-to-completion-finite-workloads/" target = "_blank" > Job< / a > 运 行 预 期 会 终 止 的 Pod， 例 如 批 量 计 算 。 Job 仅 适 用 于 重 启 策 略 为 < code > OnFailure< / code > 或 < code > Never< / code > 的 Pod。 < / li >
< / ul >
< ul >
< li > 对 预 期 不 会 终 止 的 Pod 使 用 < a href = "https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/" target = "_blank" > ReplicationController< / a > 、 < a href = "https://kubernetes.io/docs/concepts/workloads/controllers/replicaset/" target = "_blank" > ReplicaSet< / a > 和 < a href = "https://kubernetes.io/docs/concepts/workloads/controllers/deployment/" target = "_blank" > Deployment< / a > ， 例 如 Web 服 务 器 。 ReplicationController 仅 适 用 于 具 有 < code > restartPolicy< / code > 为 Always 的 Pod。 < / li >
< li > 提 供 特 定 于 机 器 的 系 统 服 务 ， 使 用 < a href = "https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/" target = "_blank" > DaemonSet< / a > 为 每 台 机 器 运 行 一 个 Pod 。 < / li >
< / ul >
< p > 所 有 这 三 种 类 型 的 控 制 器 都 包 含 一 个 PodTemplate。 建 议 创 建 适 当 的 控 制 器 ， 让 它 们 来 创 建 Pod， 而 不 是 直 接 自 己 创 建 Pod。 这 是 因 为 单 独 的 Pod 在 机 器 故 障 的 情 况 下 没 有 办 法 自 动 复 原 ， 而 控 制 器 却 可 以 。 < / p >
< p > 如 果 节 点 死 亡 或 与 集 群 的 其 余 部 分 断 开 连 接 ， 则 Kubernetes 将 应 用 一 个 策 略 将 丢 失 节 点 上 的 所 有 Pod 的 < code > phase< / code > 设 置 为 Failed。 < / p >
< h2 id = "示例" > 示 例 < / h2 >
< h3 id = "高级-liveness-探针示例" > 高 级 liveness 探 针 示 例 < / h3 >
< p > 存 活 探 针 由 kubelet 来 执 行 ， 因 此 所 有 的 请 求 都 在 kubelet 的 网 络 命 名 空 间 中 进 行 。 < / p >
< 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 > Pod
< 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" > test< / span > < span class = "token punctuation" > :< / span > liveness
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > liveness< span class = "token punctuation" > -< / span > http
< 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" > args< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > /server
< span class = "token key atrule" > image< / span > < span class = "token punctuation" > :< / span > k8s.gcr.io/liveness
< span class = "token key atrule" > livenessProbe< / span > < span class = "token punctuation" > :< / span >
< span class = "token key atrule" > httpGet< / span > < span class = "token punctuation" > :< / span >
< span class = "token comment" > # when " host" is not defined, " PodIP" will be used< / span >
< span class = "token comment" > # host: my-host< / span >
< span class = "token comment" > # when " scheme" is not defined, " HTTP" scheme will be used. Only " HTTP" and " HTTPS" are allowed< / span >
< span class = "token comment" > # scheme: HTTPS< / span >
< span class = "token key atrule" > path< / span > < span class = "token punctuation" > :< / span > /healthz
< span class = "token key atrule" > port< / span > < span class = "token punctuation" > :< / span > < span class = "token number" > 8080< / span >
< span class = "token key atrule" > httpHeaders< / span > < span class = "token punctuation" > :< / span >
< span class = "token punctuation" > -< / span > < span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > X< span class = "token punctuation" > -< / span > Custom< span class = "token punctuation" > -< / span > Header
< span class = "token key atrule" > value< / span > < span class = "token punctuation" > :< / span > Awesome
< 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" > 1< / span >
< span class = "token key atrule" > name< / span > < span class = "token punctuation" > :< / span > liveness
< / code > < / pre >
< h3 id = "状态示例" > 状 态 示 例 < / h3 >
< ul >
< li > Pod 中 只 有 一 个 容 器 并 且 正 在 运 行 。 容 器 成 功 退 出 。 < ul >
< li > 记 录 完 成 事 件 。 < / li >
< li > 如 果 < code > restartPolicy< / code > 为 ： < ul >
< li > Always： 重 启 容 器 ； Pod < code > phase< / code > 仍 为 Running。 < / li >
< li > OnFailure： Pod < code > phase< / code > 变 成 Succeeded。 < / li >
< li > Never： Pod < code > phase< / code > 变 成 Succeeded。 < / li >
< / ul >
< / li >
< / ul >
< / li >
< li > Pod 中 只 有 一 个 容 器 并 且 正 在 运 行 。 容 器 退 出 失 败 。 < ul >
< li > 记 录 失 败 事 件 。 < / li >
< li > 如 果 < code > restartPolicy< / code > 为 ： < ul >
< li > Always： 重 启 容 器 ； Pod < code > phase< / code > 仍 为 Running。 < / li >
< li > OnFailure： 重 启 容 器 ； Pod < code > phase< / code > 仍 为 Running。 < / li >
< li > Never： Pod < code > phase< / code > 变 成 Failed。 < / li >
< / ul >
< / li >
< / ul >
< / li >
< li > < p > Pod 中 有 两 个 容 器 并 且 正 在 运 行 。 容 器 1退 出 失 败 。 < / p >
< ul >
< li > 记 录 失 败 事 件 。 < / li >
< li > < p > 如 果 restartPolicy 为 ： < / p >
< ul >
< li > Always： 重 启 容 器 ； Pod < code > phase< / code > 仍 为 Running。 < / li >
< li > OnFailure： 重 启 容 器 ； Pod < code > phase< / code > 仍 为 Running。 < / li >
< li > Never： 不 重 启 容 器 ； Pod < code > phase< / code > 仍 为 Running。 < / li >
< / ul >
< / li >
< li > < p > 如 果 有 容 器 1没 有 处 于 运 行 状 态 ， 并 且 容 器 2退 出 ： < / p >
< ul >
< li > 记 录 失 败 事 件 。 < / li >
< li > 如 果 < code > restartPolicy< / code > 为 ： < ul >
< li > Always： 重 启 容 器 ； Pod < code > phase< / code > 仍 为 Running。 < / li >
< li > OnFailure： 重 启 容 器 ； Pod < code > phase< / code > 仍 为 Running。 < / li >
< li > Never： Pod < code > phase< / code > 变 成 Failed。 < / li >
< / ul >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li > Pod 中 只 有 一 个 容 器 并 处 于 运 行 状 态 。 容 器 运 行 时 内 存 超 出 限 制 ： < ul >
< li > 容 器 以 失 败 状 态 终 止 。 < / li >
< li > 记 录 OOM 事 件 。 < / li >
< li > 如 果 < code > restartPolicy< / code > 为 ： < ul >
< li > Always： 重 启 容 器 ； Pod < code > phase< / code > 仍 为 Running。 < / li >
< li > OnFailure： 重 启 容 器 ； Pod < code > phase< / code > 仍 为 Running。 < / li >
< li > Never: 记 录 失 败 事 件 ； Pod < code > phase< / code > 仍 为 Failed。 < / li >
< / ul >
< / li >
< / ul >
< / li >
< li > Pod 正 在 运 行 ， 磁 盘 故 障 ： < ul >
< li > 杀 掉 所 有 容 器 。 < / li >
< li > 记 录 适 当 事 件 。 < / li >
< li > Pod < code > phase< / code > 变 成 Failed。 < / li >
< li > 如 果 使 用 控 制 器 来 运 行 ， Pod 将 在 别 处 重 建 。 < / li >
< / ul >
< / li >
< li > Pod 正 在 运 行 ， 其 节 点 被 分 段 。 < ul >
< li > 节 点 控 制 器 等 待 直 到 超 时 。 < / li >
< li > 节 点 控 制 器 将 Pod < code > phase< / code > 设 置 为 Failed。 < / li >
< li > 如 果 是 用 控 制 器 来 运 行 ， Pod 将 在 别 处 重 建 。 < / li >
< / ul >
< / li >
< / ul >
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< h2 id = "参考" > 参 考 < / h2 >
< ul >
< li > < a href = "https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/" target = "_blank" > Pod lifecycle - kubernetes.io< / a > < / li >
< / ul >
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