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<title>使用 CRD 扩展 Kubernetes API · Kubernetes Handbook - Kubernetes 中文指南/云原生应用架构实践手册 · Jimmy Song</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">云原生开源项目大全</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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<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Cloud Native的定义
</a>
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<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/kubernetes-history.html">
<a href="../cloud-native/kubernetes-history.html">
<b>2.3.</b>
Kubernetes 的诞生
</a>
</li>
<li class="chapter " data-level="2.4" data-path="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<a href="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<b>2.4.</b>
Kubernetes 与云原生应用概览
</a>
</li>
<li class="chapter " data-level="2.5" data-path="../cloud-native/from-kubernetes-to-cloud-native.html">
<a href="../cloud-native/from-kubernetes-to-cloud-native.html">
<b>2.5.</b>
云原生应用之路 —— 从 Kubernetes 到 Cloud Native
</a>
</li>
<li class="chapter " data-level="2.6" data-path="../cloud-native/define-cloud-native-app.html">
<a href="../cloud-native/define-cloud-native-app.html">
<b>2.6.</b>
定义云原生应用
</a>
<ul class="articles">
<li class="chapter " data-level="2.6.1" data-path="../cloud-native/oam.html">
<a href="../cloud-native/oam.html">
<b>2.6.1.</b>
OAM
</a>
<ul class="articles">
<li class="chapter " data-level="2.6.1.1" data-path="../cloud-native/workload.html">
<a href="../cloud-native/workload.html">
<b>2.6.1.1.</b>
Workload
</a>
</li>
<li class="chapter " data-level="2.6.1.2" data-path="../cloud-native/component.html">
<a href="../cloud-native/component.html">
<b>2.6.1.2.</b>
Component
</a>
</li>
<li class="chapter " data-level="2.6.1.3" data-path="../cloud-native/trait.html">
<a href="../cloud-native/trait.html">
<b>2.6.1.3.</b>
Trait
</a>
</li>
<li class="chapter " data-level="2.6.1.4" data-path="../cloud-native/application-scope.html">
<a href="../cloud-native/application-scope.html">
<b>2.6.1.4.</b>
Application Scope
</a>
</li>
<li class="chapter " data-level="2.6.1.5" data-path="../cloud-native/application-configuration.html">
<a href="../cloud-native/application-configuration.html">
<b>2.6.1.5.</b>
Application Configuration
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.6.2" data-path="../cloud-native/crossplane.html">
<a href="../cloud-native/crossplane.html">
<b>2.6.2.</b>
Crossplane
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.7" data-path="../cloud-native/cloud-native-programming-languages.html">
<a href="../cloud-native/cloud-native-programming-languages.html">
<b>2.7.</b>
云原生编程语言
</a>
<ul class="articles">
<li class="chapter " data-level="2.7.1" data-path="../cloud-native/cloud-native-programming-language-ballerina.html">
<a href="../cloud-native/cloud-native-programming-language-ballerina.html">
<b>2.7.1.</b>
云原生编程语言 Ballerina
</a>
</li>
<li class="chapter " data-level="2.7.2" data-path="../cloud-native/cloud-native-programming-language-pulumi.html">
<a href="../cloud-native/cloud-native-programming-language-pulumi.html">
<b>2.7.2.</b>
云原生编程语言 Pulumi
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.8" data-path="../cloud-native/the-future-of-cloud-native.html">
<a href="../cloud-native/the-future-of-cloud-native.html">
<b>2.8.</b>
云原生的未来
</a>
</li>
<li class="header">快速入门</li>
<li class="chapter " data-level="3.1" data-path="../cloud-native/quick-start.html">
<a href="../cloud-native/quick-start.html">
<b>3.1.</b>
云原生新手入门指南
</a>
</li>
<li class="chapter " data-level="3.2" data-path="../cloud-native/play-with-kubernetes.html">
<a href="../cloud-native/play-with-kubernetes.html">
<b>3.2.</b>
Play with Kubernetes
</a>
</li>
<li class="chapter " data-level="3.3" data-path="../cloud-native/cloud-native-local-quick-start.html">
<a href="../cloud-native/cloud-native-local-quick-start.html">
<b>3.3.</b>
快速部署一个云原生本地实验环境
</a>
</li>
<li class="chapter " data-level="3.4" data-path="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
<a href="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
<b>3.4.</b>
使用 Rancher 在阿里云上部署 Kubenretes 集群
</a>
</li>
<li class="header">概念与原理</li>
<li class="chapter " data-level="4.1" data-path="./">
<a href="./">
<b>4.1.</b>
Kubernetes 架构
</a>
<ul class="articles">
<li class="chapter " data-level="4.1.1" data-path="concepts.html">
<a href="concepts.html">
<b>4.1.1.</b>
设计理念
</a>
</li>
<li class="chapter " data-level="4.1.2" data-path="etcd.html">
<a href="etcd.html">
<b>4.1.2.</b>
Etcd 解析
</a>
</li>
<li class="chapter " data-level="4.1.3" data-path="open-interfaces.html">
<a href="open-interfaces.html">
<b>4.1.3.</b>
开放接口
</a>
<ul class="articles">
<li class="chapter " data-level="4.1.3.1" data-path="cri.html">
<a href="cri.html">
<b>4.1.3.1.</b>
CRI - Container Runtime Interface容器运行时接口
</a>
</li>
<li class="chapter " data-level="4.1.3.2" data-path="cni.html">
<a href="cni.html">
<b>4.1.3.2.</b>
CNI - Container Network Interface容器网络接口
</a>
</li>
<li class="chapter " data-level="4.1.3.3" data-path="csi.html">
<a href="csi.html">
<b>4.1.3.3.</b>
CSI - Container Storage Interface容器存储接口
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="4.2" data-path="networking.html">
<a href="networking.html">
<b>4.2.</b>
Kubernetes 中的网络
</a>
<ul class="articles">
<li class="chapter " data-level="4.2.1" data-path="flannel.html">
<a href="flannel.html">
<b>4.2.1.</b>
Kubernetes 中的网络解析 —— 以 flannel 为例
</a>
</li>
<li class="chapter " data-level="4.2.2" data-path="calico.html">
<a href="calico.html">
<b>4.2.2.</b>
Kubernetes 中的网络解析 —— 以 calico 为例
</a>
</li>
<li class="chapter " data-level="4.2.3" data-path="cilium.html">
<a href="cilium.html">
<b>4.2.3.</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="4.2.3.1" data-path="cilium-concepts.html">
<a href="cilium-concepts.html">
<b>4.2.3.1.</b>
Cilium 架构设计与概念解析
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="4.3" data-path="objects.html">
<a href="objects.html">
<b>4.3.</b>
资源对象与基本概念解析
</a>
</li>
<li class="chapter " data-level="4.4" data-path="pod-state-and-lifecycle.html">
<a href="pod-state-and-lifecycle.html">
<b>4.4.</b>
Pod 状态与生命周期管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.4.1" data-path="pod-overview.html">
<a href="pod-overview.html">
<b>4.4.1.</b>
Pod 概览
</a>
</li>
<li class="chapter " data-level="4.4.2" data-path="pod.html">
<a href="pod.html">
<b>4.4.2.</b>
Pod 解析
</a>
</li>
<li class="chapter " data-level="4.4.3" data-path="init-containers.html">
<a href="init-containers.html">
<b>4.4.3.</b>
Init 容器
</a>
</li>
<li class="chapter " data-level="4.4.4" data-path="pause-container.html">
<a href="pause-container.html">
<b>4.4.4.</b>
Pause 容器
</a>
</li>
<li class="chapter " data-level="4.4.5" data-path="pod-security-policy.html">
<a href="pod-security-policy.html">
<b>4.4.5.</b>
Pod 安全策略
</a>
</li>
<li class="chapter " data-level="4.4.6" data-path="pod-lifecycle.html">
<a href="pod-lifecycle.html">
<b>4.4.6.</b>
Pod 的生命周期
</a>
</li>
<li class="chapter " data-level="4.4.7" data-path="pod-hook.html">
<a href="pod-hook.html">
<b>4.4.7.</b>
Pod Hook
</a>
</li>
<li class="chapter " data-level="4.4.8" data-path="pod-preset.html">
<a href="pod-preset.html">
<b>4.4.8.</b>
Pod Preset
</a>
</li>
<li class="chapter " data-level="4.4.9" data-path="pod-disruption-budget.html">
<a href="pod-disruption-budget.html">
<b>4.4.9.</b>
Pod 中断与 PDBPod 中断预算)
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.5" data-path="cluster.html">
<a href="cluster.html">
<b>4.5.</b>
集群资源管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.1" data-path="node.html">
<a href="node.html">
<b>4.5.1.</b>
Node
</a>
</li>
<li class="chapter " data-level="4.5.2" data-path="namespace.html">
<a href="namespace.html">
<b>4.5.2.</b>
Namespace
</a>
</li>
<li class="chapter " data-level="4.5.3" data-path="label.html">
<a href="label.html">
<b>4.5.3.</b>
Label
</a>
</li>
<li class="chapter " data-level="4.5.4" data-path="annotation.html">
<a href="annotation.html">
<b>4.5.4.</b>
Annotation
</a>
</li>
<li class="chapter " data-level="4.5.5" data-path="taint-and-toleration.html">
<a href="taint-and-toleration.html">
<b>4.5.5.</b>
Taint 和 Toleration污点和容忍
</a>
</li>
<li class="chapter " data-level="4.5.6" data-path="garbage-collection.html">
<a href="garbage-collection.html">
<b>4.5.6.</b>
垃圾收集
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.6" data-path="controllers.html">
<a href="controllers.html">
<b>4.6.</b>
控制器
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.1" data-path="deployment.html">
<a href="deployment.html">
<b>4.6.1.</b>
Deployment
</a>
</li>
<li class="chapter " data-level="4.6.2" data-path="statefulset.html">
<a href="statefulset.html">
<b>4.6.2.</b>
StatefulSet
</a>
</li>
<li class="chapter " data-level="4.6.3" data-path="daemonset.html">
<a href="daemonset.html">
<b>4.6.3.</b>
DaemonSet
</a>
</li>
<li class="chapter " data-level="4.6.4" data-path="replicaset.html">
<a href="replicaset.html">
<b>4.6.4.</b>
ReplicationController 和 ReplicaSet
</a>
</li>
<li class="chapter " data-level="4.6.5" data-path="job.html">
<a href="job.html">
<b>4.6.5.</b>
Job
</a>
</li>
<li class="chapter " data-level="4.6.6" data-path="cronjob.html">
<a href="cronjob.html">
<b>4.6.6.</b>
CronJob
</a>
</li>
<li class="chapter " data-level="4.6.7" data-path="horizontal-pod-autoscaling.html">
<a href="horizontal-pod-autoscaling.html">
<b>4.6.7.</b>
Horizontal Pod Autoscaling
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.7.1" data-path="custom-metrics-hpa.html">
<a href="custom-metrics-hpa.html">
<b>4.6.7.1.</b>
自定义指标 HPA
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.6.8" data-path="admission-controller.html">
<a href="admission-controller.html">
<b>4.6.8.</b>
准入控制器Admission Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.7" data-path="service-discovery.html">
<a href="service-discovery.html">
<b>4.7.</b>
服务发现
</a>
<ul class="articles">
<li class="chapter " data-level="4.7.1" data-path="service.html">
<a href="service.html">
<b>4.7.1.</b>
Service
</a>
</li>
<li class="chapter " data-level="4.7.2" data-path="ingress.html">
<a href="ingress.html">
<b>4.7.2.</b>
Ingress
</a>
<ul class="articles">
<li class="chapter " data-level="4.7.2.1" data-path="traefik-ingress-controller.html">
<a href="traefik-ingress-controller.html">
<b>4.7.2.1.</b>
Traefik Ingress Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.7.3" data-path="kubernetes-service-api.html">
<a href="kubernetes-service-api.html">
<b>4.7.3.</b>
Kubernetes Service API
</a>
<ul class="articles">
<li class="chapter " data-level="4.7.3.1" data-path="service-api-overview.html">
<a href="service-api-overview.html">
<b>4.7.3.1.</b>
Service API 简介
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="4.8" data-path="authentication-and-permission.html">
<a href="authentication-and-permission.html">
<b>4.8.</b>
身份与权限控制
</a>
<ul class="articles">
<li class="chapter " data-level="4.8.1" data-path="serviceaccount.html">
<a href="serviceaccount.html">
<b>4.8.1.</b>
ServiceAccount
</a>
</li>
<li class="chapter " data-level="4.8.2" data-path="rbac.html">
<a href="rbac.html">
<b>4.8.2.</b>
RBAC—— 基于角色的访问控制
</a>
</li>
<li class="chapter " data-level="4.8.3" data-path="network-policy.html">
<a href="network-policy.html">
<b>4.8.3.</b>
NetworkPolicy
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.9" data-path="storage.html">
<a href="storage.html">
<b>4.9.</b>
存储
</a>
<ul class="articles">
<li class="chapter " data-level="4.9.1" data-path="secret.html">
<a href="secret.html">
<b>4.9.1.</b>
Secret
</a>
</li>
<li class="chapter " data-level="4.9.2" data-path="configmap.html">
<a href="configmap.html">
<b>4.9.2.</b>
ConfigMap
</a>
<ul class="articles">
<li class="chapter " data-level="4.9.2.1" data-path="configmap-hot-update.html">
<a href="configmap-hot-update.html">
<b>4.9.2.1.</b>
ConfigMap 的热更新
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.9.3" data-path="volume.html">
<a href="volume.html">
<b>4.9.3.</b>
Volume
</a>
</li>
<li class="chapter " data-level="4.9.4" data-path="persistent-volume.html">
<a href="persistent-volume.html">
<b>4.9.4.</b>
Persistent Volume持久化卷
</a>
</li>
<li class="chapter " data-level="4.9.5" data-path="storageclass.html">
<a href="storageclass.html">
<b>4.9.5.</b>
Storage Class
</a>
</li>
<li class="chapter " data-level="4.9.6" data-path="local-persistent-storage.html">
<a href="local-persistent-storage.html">
<b>4.9.6.</b>
本地持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.10" data-path="extension.html">
<a href="extension.html">
<b>4.10.</b>
集群扩展
</a>
<ul class="articles">
<li class="chapter " data-level="4.10.1" data-path="custom-resource.html">
<a href="custom-resource.html">
<b>4.10.1.</b>
使用自定义资源扩展 API
</a>
</li>
<li class="chapter active" data-level="4.10.2" data-path="crd.html">
<a href="crd.html">
<b>4.10.2.</b>
使用 CRD 扩展 Kubernetes API
</a>
</li>
<li class="chapter " data-level="4.10.3" data-path="aggregated-api-server.html">
<a href="aggregated-api-server.html">
<b>4.10.3.</b>
Aggregated API Server
</a>
</li>
<li class="chapter " data-level="4.10.4" data-path="apiservice.html">
<a href="apiservice.html">
<b>4.10.4.</b>
APIService
</a>
</li>
<li class="chapter " data-level="4.10.5" data-path="service-catalog.html">
<a href="service-catalog.html">
<b>4.10.5.</b>
Service Catalog
</a>
</li>
<li class="chapter " data-level="4.10.6" data-path="multicluster.html">
<a href="multicluster.html">
<b>4.10.6.</b>
多集群管理
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.11" data-path="scheduling.html">
<a href="scheduling.html">
<b>4.11.</b>
资源调度
</a>
<ul class="articles">
<li class="chapter " data-level="4.11.1" data-path="qos.html">
<a href="qos.html">
<b>4.11.1.</b>
QoS服务质量等级
</a>
</li>
</ul>
</li>
<li class="header">用户指南</li>
<li class="chapter " data-level="5.1" data-path="../guide/">
<a href="../guide/">
<b>5.1.</b>
用户指南概览
</a>
</li>
<li class="chapter " data-level="5.2" data-path="../guide/resource-configuration.html">
<a href="../guide/resource-configuration.html">
<b>5.2.</b>
资源对象配置
</a>
<ul class="articles">
<li class="chapter " data-level="5.2.1" data-path="../guide/configure-liveness-readiness-probes.html">
<a href="../guide/configure-liveness-readiness-probes.html">
<b>5.2.1.</b>
配置 Pod 的 liveness 和 readiness 探针
</a>
</li>
<li class="chapter " data-level="5.2.2" data-path="../guide/configure-pod-service-account.html">
<a href="../guide/configure-pod-service-account.html">
<b>5.2.2.</b>
配置 Pod 的 Service Account
</a>
</li>
<li class="chapter " data-level="5.2.3" data-path="../guide/secret-configuration.html">
<a href="../guide/secret-configuration.html">
<b>5.2.3.</b>
Secret 配置
</a>
</li>
<li class="chapter " data-level="5.2.4" data-path="../guide/resource-quota-management.html">
<a href="../guide/resource-quota-management.html">
<b>5.2.4.</b>
管理 namespace 中的资源配额
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.3" data-path="../guide/command-usage.html">
<a href="../guide/command-usage.html">
<b>5.3.</b>
命令使用
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.1" data-path="../guide/docker-cli-to-kubectl.html">
<a href="../guide/docker-cli-to-kubectl.html">
<b>5.3.1.</b>
Docker 用户过渡到 kubectl 命令行指南
</a>
</li>
<li class="chapter " data-level="5.3.2" data-path="../guide/using-kubectl.html">
<a href="../guide/using-kubectl.html">
<b>5.3.2.</b>
kubectl 命令概览
</a>
</li>
<li class="chapter " data-level="5.3.3" data-path="../guide/kubectl-cheatsheet.html">
<a href="../guide/kubectl-cheatsheet.html">
<b>5.3.3.</b>
kubectl 命令技巧大全
</a>
</li>
<li class="chapter " data-level="5.3.4" data-path="../guide/using-etcdctl-to-access-kubernetes-data.html">
<a href="../guide/using-etcdctl-to-access-kubernetes-data.html">
<b>5.3.4.</b>
使用 etcdctl 访问 kubernetes 数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.4" data-path="../guide/cluster-security-management.html">
<a href="../guide/cluster-security-management.html">
<b>5.4.</b>
集群安全性管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.4.1" data-path="../guide/managing-tls-in-a-cluster.html">
<a href="../guide/managing-tls-in-a-cluster.html">
<b>5.4.1.</b>
管理集群中的 TLS
</a>
</li>
<li class="chapter " data-level="5.4.2" data-path="../guide/kubelet-authentication-authorization.html">
<a href="../guide/kubelet-authentication-authorization.html">
<b>5.4.2.</b>
kubelet 的认证授权
</a>
</li>
<li class="chapter " data-level="5.4.3" data-path="../guide/tls-bootstrapping.html">
<a href="../guide/tls-bootstrapping.html">
<b>5.4.3.</b>
TLS Bootstrap
</a>
</li>
<li class="chapter " data-level="5.4.4" data-path="../guide/kubectl-user-authentication-authorization.html">
<a href="../guide/kubectl-user-authentication-authorization.html">
<b>5.4.4.</b>
创建用户认证授权的 kubeconfig 文件
</a>
</li>
<li class="chapter " data-level="5.4.5" data-path="../guide/ip-masq-agent.html">
<a href="../guide/ip-masq-agent.html">
<b>5.4.5.</b>
IP 伪装代理
</a>
</li>
<li class="chapter " data-level="5.4.6" data-path="../guide/auth-with-kubeconfig-or-token.html">
<a href="../guide/auth-with-kubeconfig-or-token.html">
<b>5.4.6.</b>
使用 kubeconfig 或 token 进行用户身份认证
</a>
</li>
<li class="chapter " data-level="5.4.7" data-path="../guide/authentication.html">
<a href="../guide/authentication.html">
<b>5.4.7.</b>
Kubernetes 中的用户与身份认证授权
</a>
</li>
<li class="chapter " data-level="5.4.8" data-path="../guide/kubernetes-security-best-practice.html">
<a href="../guide/kubernetes-security-best-practice.html">
<b>5.4.8.</b>
Kubernetes 集群安全性配置最佳实践
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.5" data-path="../guide/access-kubernetes-cluster.html">
<a href="../guide/access-kubernetes-cluster.html">
<b>5.5.</b>
访问 Kubernetes 集群
</a>
<ul class="articles">
<li class="chapter " data-level="5.5.1" data-path="../guide/access-cluster.html">
<a href="../guide/access-cluster.html">
<b>5.5.1.</b>
访问集群
</a>
</li>
<li class="chapter " data-level="5.5.2" data-path="../guide/authenticate-across-clusters-kubeconfig.html">
<a href="../guide/authenticate-across-clusters-kubeconfig.html">
<b>5.5.2.</b>
使用 kubeconfig 文件配置跨集群认证
</a>
</li>
<li class="chapter " data-level="5.5.3" data-path="../guide/connecting-to-applications-port-forward.html">
<a href="../guide/connecting-to-applications-port-forward.html">
<b>5.5.3.</b>
通过端口转发访问集群中的应用程序
</a>
</li>
<li class="chapter " data-level="5.5.4" data-path="../guide/service-access-application-cluster.html">
<a href="../guide/service-access-application-cluster.html">
<b>5.5.4.</b>
使用 service 访问群集中的应用程序
</a>
</li>
<li class="chapter " data-level="5.5.5" 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>5.5.5.</b>
从外部访问 Kubernetes 中的 Pod
</a>
</li>
<li class="chapter " data-level="5.5.6" data-path="../guide/cabin-mobile-dashboard-for-kubernetes.html">
<a href="../guide/cabin-mobile-dashboard-for-kubernetes.html">
<b>5.5.6.</b>
Cabin - Kubernetes 手机客户端
</a>
</li>
<li class="chapter " data-level="5.5.7" data-path="../guide/kubernetes-desktop-client.html">
<a href="../guide/kubernetes-desktop-client.html">
<b>5.5.7.</b>
Lens - Kubernetes IDE/桌面客户端
</a>
</li>
<li class="chapter " data-level="5.5.8" data-path="../guide/kubernator-kubernetes-ui.html">
<a href="../guide/kubernator-kubernetes-ui.html">
<b>5.5.8.</b>
Kubernator - 更底层的 Kubernetes UI
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6" data-path="../guide/application-development-deployment-flow.html">
<a href="../guide/application-development-deployment-flow.html">
<b>5.6.</b>
在 Kubernetes 中开发部署应用
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.1" data-path="../guide/deploy-applications-in-kubernetes.html">
<a href="../guide/deploy-applications-in-kubernetes.html">
<b>5.6.1.</b>
适用于 kubernetes 的应用开发部署流程
</a>
</li>
<li class="chapter " data-level="5.6.2" data-path="../guide/migrating-hadoop-yarn-to-kubernetes.html">
<a href="../guide/migrating-hadoop-yarn-to-kubernetes.html">
<b>5.6.2.</b>
迁移传统应用到 Kubernetes 中 —— 以 Hadoop YARN 为例
</a>
</li>
<li class="chapter " data-level="5.6.3" data-path="../guide/using-statefulset.html">
<a href="../guide/using-statefulset.html">
<b>5.6.3.</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="6.1" data-path="../practice/">
<a href="../practice/">
<b>6.1.</b>
最佳实践概览
</a>
</li>
<li class="chapter " data-level="6.2" data-path="../practice/install-kubernetes-on-centos.html">
<a href="../practice/install-kubernetes-on-centos.html">
<b>6.2.</b>
在 CentOS 上部署 Kubernetes 集群
</a>
<ul class="articles">
<li class="chapter " data-level="6.2.1" data-path="../practice/create-tls-and-secret-key.html">
<a href="../practice/create-tls-and-secret-key.html">
<b>6.2.1.</b>
创建 TLS 证书和秘钥
</a>
</li>
<li class="chapter " data-level="6.2.2" data-path="../practice/create-kubeconfig.html">
<a href="../practice/create-kubeconfig.html">
<b>6.2.2.</b>
创建 kubeconfig 文件
</a>
</li>
<li class="chapter " data-level="6.2.3" data-path="../practice/etcd-cluster-installation.html">
<a href="../practice/etcd-cluster-installation.html">
<b>6.2.3.</b>
创建高可用 etcd 集群
</a>
</li>
<li class="chapter " data-level="6.2.4" data-path="../practice/kubectl-installation.html">
<a href="../practice/kubectl-installation.html">
<b>6.2.4.</b>
安装 kubectl 命令行工具
</a>
</li>
<li class="chapter " data-level="6.2.5" data-path="../practice/master-installation.html">
<a href="../practice/master-installation.html">
<b>6.2.5.</b>
部署 master 节点
</a>
</li>
<li class="chapter " data-level="6.2.6" data-path="../practice/flannel-installation.html">
<a href="../practice/flannel-installation.html">
<b>6.2.6.</b>
安装 flannel 网络插件
</a>
</li>
<li class="chapter " data-level="6.2.7" data-path="../practice/node-installation.html">
<a href="../practice/node-installation.html">
<b>6.2.7.</b>
部署 node 节点
</a>
</li>
<li class="chapter " data-level="6.2.8" data-path="../practice/kubedns-addon-installation.html">
<a href="../practice/kubedns-addon-installation.html">
<b>6.2.8.</b>
安装 kubedns 插件
</a>
</li>
<li class="chapter " data-level="6.2.9" data-path="../practice/dashboard-addon-installation.html">
<a href="../practice/dashboard-addon-installation.html">
<b>6.2.9.</b>
安装 dashboard 插件
</a>
</li>
<li class="chapter " data-level="6.2.10" data-path="../practice/heapster-addon-installation.html">
<a href="../practice/heapster-addon-installation.html">
<b>6.2.10.</b>
安装 heapster 插件
</a>
</li>
<li class="chapter " data-level="6.2.11" data-path="../practice/efk-addon-installation.html">
<a href="../practice/efk-addon-installation.html">
<b>6.2.11.</b>
安装 EFK 插件
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3" data-path="../practice/install-kubernetes-with-kubeadm.html">
<a href="../practice/install-kubernetes-with-kubeadm.html">
<b>6.3.</b>
生产级的 Kubernetes 简化管理工具 kubeadm
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.1" 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>6.3.1.</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="6.4" data-path="../practice/service-discovery-and-loadbalancing.html">
<a href="../practice/service-discovery-and-loadbalancing.html">
<b>6.4.</b>
服务发现与负载均衡
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.1" data-path="../practice/traefik-ingress-installation.html">
<a href="../practice/traefik-ingress-installation.html">
<b>6.4.1.</b>
安装 Traefik ingress
</a>
</li>
<li class="chapter " data-level="6.4.2" data-path="../practice/distributed-load-test.html">
<a href="../practice/distributed-load-test.html">
<b>6.4.2.</b>
分布式负载测试
</a>
</li>
<li class="chapter " data-level="6.4.3" data-path="../practice/network-and-cluster-perfermance-test.html">
<a href="../practice/network-and-cluster-perfermance-test.html">
<b>6.4.3.</b>
网络和集群性能测试
</a>
</li>
<li class="chapter " data-level="6.4.4" data-path="../practice/edge-node-configuration.html">
<a href="../practice/edge-node-configuration.html">
<b>6.4.4.</b>
边缘节点配置
</a>
</li>
<li class="chapter " data-level="6.4.5" data-path="../practice/nginx-ingress-installation.html">
<a href="../practice/nginx-ingress-installation.html">
<b>6.4.5.</b>
安装 Nginx ingress
</a>
</li>
<li class="chapter " data-level="6.4.6" data-path="../practice/dns-installation.html">
<a href="../practice/dns-installation.html">
<b>6.4.6.</b>
安装配置 DNS
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.6.1" data-path="../practice/configuring-dns.html">
<a href="../practice/configuring-dns.html">
<b>6.4.6.1.</b>
安装配置 Kube-dns
</a>
</li>
<li class="chapter " data-level="6.4.6.2" data-path="../practice/coredns.html">
<a href="../practice/coredns.html">
<b>6.4.6.2.</b>
安装配置 CoreDNS
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="6.5" data-path="../practice/operation.html">
<a href="../practice/operation.html">
<b>6.5.</b>
运维管理
</a>
<ul class="articles">
<li class="chapter " data-level="6.5.1" data-path="../practice/master-ha.html">
<a href="../practice/master-ha.html">
<b>6.5.1.</b>
Master 节点高可用
</a>
</li>
<li class="chapter " data-level="6.5.2" data-path="../practice/service-rolling-update.html">
<a href="../practice/service-rolling-update.html">
<b>6.5.2.</b>
服务滚动升级
</a>
</li>
<li class="chapter " data-level="6.5.3" data-path="../practice/app-log-collection.html">
<a href="../practice/app-log-collection.html">
<b>6.5.3.</b>
应用日志收集
</a>
</li>
<li class="chapter " data-level="6.5.4" data-path="../practice/configuration-best-practice.html">
<a href="../practice/configuration-best-practice.html">
<b>6.5.4.</b>
配置最佳实践
</a>
</li>
<li class="chapter " data-level="6.5.5" data-path="../practice/monitor.html">
<a href="../practice/monitor.html">
<b>6.5.5.</b>
集群及应用监控
</a>
</li>
<li class="chapter " data-level="6.5.6" data-path="../practice/data-persistence-problem.html">
<a href="../practice/data-persistence-problem.html">
<b>6.5.6.</b>
数据持久化问题
</a>
</li>
<li class="chapter " data-level="6.5.7" data-path="../practice/manage-compute-resources-container.html">
<a href="../practice/manage-compute-resources-container.html">
<b>6.5.7.</b>
管理容器的计算资源
</a>
</li>
<li class="chapter " data-level="6.5.8" data-path="../practice/federation.html">
<a href="../practice/federation.html">
<b>6.5.8.</b>
集群联邦Cluster Federation
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.6" data-path="../practice/storage.html">
<a href="../practice/storage.html">
<b>6.6.</b>
存储管理
</a>
<ul class="articles">
<li class="chapter " data-level="6.6.1" data-path="../practice/glusterfs.html">
<a href="../practice/glusterfs.html">
<b>6.6.1.</b>
GlusterFS
</a>
<ul class="articles">
<li class="chapter " data-level="6.6.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
<a href="../practice/using-glusterfs-for-persistent-storage.html">
<b>6.6.1.1.</b>
使用 GlusterFS 做持久化存储
</a>
</li>
<li class="chapter " data-level="6.6.1.2" data-path="../practice/using-heketi-gluster-for-persistent-storage.html">
<a href="../practice/using-heketi-gluster-for-persistent-storage.html">
<b>6.6.1.2.</b>
使用 Heketi 作为 Kubernetes 的持久存储 GlusterFS 的 external provisioner
</a>
</li>
<li class="chapter " data-level="6.6.1.3" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<b>6.6.1.3.</b>
在 OpenShift 中使用 GlusterFS 做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.6.2" data-path="../practice/glusterd-2.0.html">
<a href="../practice/glusterd-2.0.html">
<b>6.6.2.</b>
GlusterD-2.0
</a>
</li>
<li class="chapter " data-level="6.6.3" data-path="../practice/ceph.html">
<a href="../practice/ceph.html">
<b>6.6.3.</b>
Ceph
</a>
<ul class="articles">
<li class="chapter " data-level="6.6.3.1" data-path="../practice/ceph-helm-install-guide-zh.html">
<a href="../practice/ceph-helm-install-guide-zh.html">
<b>6.6.3.1.</b>
用 Helm 托管安装 Ceph 集群并提供后端存储
</a>
</li>
<li class="chapter " data-level="6.6.3.2" data-path="../practice/using-ceph-for-persistent-storage.html">
<a href="../practice/using-ceph-for-persistent-storage.html">
<b>6.6.3.2.</b>
使用 Ceph 做持久化存储
</a>
</li>
<li class="chapter " data-level="6.6.3.3" data-path="../practice/rbd-provisioner.html">
<a href="../practice/rbd-provisioner.html">
<b>6.6.3.3.</b>
使用 rbd-provisioner 提供 rbd 持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.6.4" data-path="../practice/openebs.html">
<a href="../practice/openebs.html">
<b>6.6.4.</b>
OpenEBS
</a>
<ul class="articles">
<li class="chapter " data-level="6.6.4.1" data-path="../practice/using-openebs-for-persistent-storage.html">
<a href="../practice/using-openebs-for-persistent-storage.html">
<b>6.6.4.1.</b>
使用 OpenEBS 做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.6.5" data-path="../practice/rook.html">
<a href="../practice/rook.html">
<b>6.6.5.</b>
Rook
</a>
</li>
<li class="chapter " data-level="6.6.6" data-path="../practice/nfs.html">
<a href="../practice/nfs.html">
<b>6.6.6.</b>
NFS
</a>
<ul class="articles">
<li class="chapter " data-level="6.6.6.1" data-path="../practice/using-nfs-for-persistent-storage.html">
<a href="../practice/using-nfs-for-persistent-storage.html">
<b>6.6.6.1.</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="6.7" data-path="../practice/monitoring.html">
<a href="../practice/monitoring.html">
<b>6.7.</b>
集群与应用监控
</a>
<ul class="articles">
<li class="chapter " data-level="6.7.1" data-path="../practice/heapster.html">
<a href="../practice/heapster.html">
<b>6.7.1.</b>
Heapster
</a>
<ul class="articles">
<li class="chapter " data-level="6.7.1.1" data-path="../practice/using-heapster-to-get-object-metrics.html">
<a href="../practice/using-heapster-to-get-object-metrics.html">
<b>6.7.1.1.</b>
使用 Heapster 获取集群和对象的 metric 数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.7.2" data-path="../practice/prometheus.html">
<a href="../practice/prometheus.html">
<b>6.7.2.</b>
Prometheus
</a>
<ul class="articles">
<li class="chapter " data-level="6.7.2.1" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<b>6.7.2.1.</b>
使用 Prometheus 监控 kubernetes 集群
</a>
</li>
<li class="chapter " data-level="6.7.2.2" data-path="../practice/promql.html">
<a href="../practice/promql.html">
<b>6.7.2.2.</b>
Prometheus 查询语言 PromQL 使用说明
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.7.3" data-path="../practice/vistio-visualize-your-istio-mesh.html">
<a href="../practice/vistio-visualize-your-istio-mesh.html">
<b>6.7.3.</b>
使用 Vistio 监控 Istio 服务网格中的流量
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.8" data-path="../practice/distributed-tracing.html">
<a href="../practice/distributed-tracing.html">
<b>6.8.</b>
分布式追踪
</a>
<ul class="articles">
<li class="chapter " data-level="6.8.1" data-path="../practice/opentracing.html">
<a href="../practice/opentracing.html">
<b>6.8.1.</b>
OpenTracing
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.9" data-path="../practice/services-management-tool.html">
<a href="../practice/services-management-tool.html">
<b>6.9.</b>
服务编排管理
</a>
<ul class="articles">
<li class="chapter " data-level="6.9.1" data-path="../practice/helm.html">
<a href="../practice/helm.html">
<b>6.9.1.</b>
使用 Helm 管理 Kubernetes 应用
</a>
</li>
<li class="chapter " data-level="6.9.2" data-path="../practice/create-private-charts-repo.html">
<a href="../practice/create-private-charts-repo.html">
<b>6.9.2.</b>
构建私有 Chart 仓库
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.10" data-path="../practice/ci-cd.html">
<a href="../practice/ci-cd.html">
<b>6.10.</b>
持续集成与发布
</a>
<ul class="articles">
<li class="chapter " data-level="6.10.1" data-path="../practice/jenkins-ci-cd.html">
<a href="../practice/jenkins-ci-cd.html">
<b>6.10.1.</b>
使用 Jenkins 进行持续集成与发布
</a>
</li>
<li class="chapter " data-level="6.10.2" data-path="../practice/drone-ci-cd.html">
<a href="../practice/drone-ci-cd.html">
<b>6.10.2.</b>
使用 Drone 进行持续集成与发布
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.11" data-path="../practice/update-and-upgrade.html">
<a href="../practice/update-and-upgrade.html">
<b>6.11.</b>
更新与升级
</a>
<ul class="articles">
<li class="chapter " data-level="6.11.1" data-path="../practice/manually-upgrade.html">
<a href="../practice/manually-upgrade.html">
<b>6.11.1.</b>
手动升级 Kubernetes 集群
</a>
</li>
<li class="chapter " data-level="6.11.2" data-path="../practice/dashboard-upgrade.html">
<a href="../practice/dashboard-upgrade.html">
<b>6.11.2.</b>
升级 dashboard
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.12" data-path="../practice/controller-extended.html">
<a href="../practice/controller-extended.html">
<b>6.12.</b>
扩展控制器
</a>
<ul class="articles">
<li class="chapter " data-level="6.12.1" data-path="../practice/openkruise.html">
<a href="../practice/openkruise.html">
<b>6.12.1.</b>
OpenKruise
</a>
<ul class="articles">
<li class="chapter " data-level="6.12.1.1" data-path="../practice/in-place-update.html">
<a href="../practice/in-place-update.html">
<b>6.12.1.1.</b>
原地升级
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="6.13" data-path="../practice/security-policy.html">
<a href="../practice/security-policy.html">
<b>6.13.</b>
安全策略
</a>
<ul class="articles">
<li class="chapter " data-level="6.13.1" data-path="../practice/open-policy-agent.html">
<a href="../practice/open-policy-agent.html">
<b>6.13.1.</b>
OPA开放策略代理
</a>
</li>
</ul>
</li>
<li class="header">服务网格</li>
<li class="chapter " data-level="7.1" data-path="../usecases/service-mesh.html">
<a href="../usecases/service-mesh.html">
<b>7.1.</b>
服务网格Service Mesh
</a>
</li>
<li class="chapter " data-level="7.2" data-path="../usecases/the-enterprise-path-to-service-mesh-architectures.html">
<a href="../usecases/the-enterprise-path-to-service-mesh-architectures.html">
<b>7.2.</b>
企业级服务网格架构
</a>
<ul class="articles">
<li class="chapter " data-level="7.2.1" data-path="../usecases/service-mesh-fundamental.html">
<a href="../usecases/service-mesh-fundamental.html">
<b>7.2.1.</b>
服务网格基础
</a>
</li>
<li class="chapter " data-level="7.2.2" data-path="../usecases/comparing-service-mesh-technologies.html">
<a href="../usecases/comparing-service-mesh-technologies.html">
<b>7.2.2.</b>
服务网格技术对比
</a>
</li>
<li class="chapter " data-level="7.2.3" data-path="../usecases/service-mesh-vs-api-gateway.html">
<a href="../usecases/service-mesh-vs-api-gateway.html">
<b>7.2.3.</b>
服务网格对比 API 网关
</a>
</li>
<li class="chapter " data-level="7.2.4" data-path="../usecases/service-mesh-adoption-and-evolution.html">
<a href="../usecases/service-mesh-adoption-and-evolution.html">
<b>7.2.4.</b>
采纳和演进
</a>
</li>
<li class="chapter " data-level="7.2.5" data-path="../usecases/service-mesh-customization-and-integration.html">
<a href="../usecases/service-mesh-customization-and-integration.html">
<b>7.2.5.</b>
定制和集成
</a>
</li>
<li class="chapter " data-level="7.2.6" data-path="../usecases/service-mesh-conclusion.html">
<a href="../usecases/service-mesh-conclusion.html">
<b>7.2.6.</b>
总结
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.3" data-path="../usecases/istio.html">
<a href="../usecases/istio.html">
<b>7.3.</b>
Istio
</a>
<ul class="articles">
<li class="chapter " data-level="7.3.1" data-path="../usecases/before-using-istio.html">
<a href="../usecases/before-using-istio.html">
<b>7.3.1.</b>
使用 Istio 前需要考虑的问题
</a>
</li>
<li class="chapter " data-level="7.3.2" data-path="../usecases/istio-installation.html">
<a href="../usecases/istio-installation.html">
<b>7.3.2.</b>
安装并试用 Istio
</a>
</li>
<li class="chapter " data-level="7.3.3" data-path="../usecases/sidecar-spec-in-istio.html">
<a href="../usecases/sidecar-spec-in-istio.html">
<b>7.3.3.</b>
Istio 中 sidecar 的注入规范及示例
</a>
</li>
<li class="chapter " data-level="7.3.4" data-path="../usecases/istio-community-tips.html">
<a href="../usecases/istio-community-tips.html">
<b>7.3.4.</b>
如何参与 Istio 社区及注意事项
</a>
</li>
<li class="chapter " data-level="7.3.5" data-path="../usecases/istio-tutorials-collection.html">
<a href="../usecases/istio-tutorials-collection.html">
<b>7.3.5.</b>
Istio 免费学习资源汇总
</a>
</li>
<li class="chapter " data-level="7.3.6" 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>7.3.6.</b>
Sidecar 的注入与流量劫持
</a>
</li>
<li class="chapter " data-level="7.3.7" 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>7.3.7.</b>
Envoy Sidecar 代理的路由转发
</a>
</li>
<li class="chapter " data-level="7.3.8" data-path="../usecases/how-to-integrate-istio-with-vm.html">
<a href="../usecases/how-to-integrate-istio-with-vm.html">
<b>7.3.8.</b>
Istio 如何支持虚拟机
</a>
</li>
<li class="chapter " data-level="7.3.9" data-path="../usecases/istio-vm-support.html">
<a href="../usecases/istio-vm-support.html">
<b>7.3.9.</b>
Istio 支持虚拟机的历史
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.4" data-path="../usecases/envoy.html">
<a href="../usecases/envoy.html">
<b>7.4.</b>
Envoy
</a>
<ul class="articles">
<li class="chapter " data-level="7.4.1" data-path="../usecases/envoy-terminology.html">
<a href="../usecases/envoy-terminology.html">
<b>7.4.1.</b>
Envoy 的架构与基本术语
</a>
</li>
<li class="chapter " data-level="7.4.2" data-path="../usecases/envoy-front-proxy.html">
<a href="../usecases/envoy-front-proxy.html">
<b>7.4.2.</b>
Envoy 作为前端代理
</a>
</li>
<li class="chapter " data-level="7.4.3" data-path="../usecases/envoy-mesh-in-kubernetes-tutorial.html">
<a href="../usecases/envoy-mesh-in-kubernetes-tutorial.html">
<b>7.4.3.</b>
Envoy mesh 教程
</a>
</li>
</ul>
</li>
<li class="header">领域应用</li>
<li class="chapter " data-level="8.1" data-path="../usecases/">
<a href="../usecases/">
<b>8.1.</b>
领域应用概览
</a>
</li>
<li class="chapter " data-level="8.2" data-path="../usecases/microservices.html">
<a href="../usecases/microservices.html">
<b>8.2.</b>
微服务架构
</a>
<ul class="articles">
<li class="chapter " data-level="8.2.1" data-path="../usecases/service-discovery-in-microservices.html">
<a href="../usecases/service-discovery-in-microservices.html">
<b>8.2.1.</b>
微服务中的服务发现
</a>
</li>
<li class="chapter " data-level="8.2.2" data-path="../usecases/microservices-for-java-developers.html">
<a href="../usecases/microservices-for-java-developers.html">
<b>8.2.2.</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="8.2.2.1" data-path="../usecases/spring-boot-quick-start-guide.html">
<a href="../usecases/spring-boot-quick-start-guide.html">
<b>8.2.2.1.</b>
Spring Boot 快速开始指南
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="8.3" data-path="../usecases/big-data.html">
<a href="../usecases/big-data.html">
<b>8.3.</b>
大数据
</a>
<ul class="articles">
<li class="chapter " data-level="8.3.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
<a href="../usecases/spark-standalone-on-kubernetes.html">
<b>8.3.1.</b>
Spark standalone on Kubernetes
</a>
</li>
<li class="chapter " data-level="8.3.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<b>8.3.2.</b>
运行支持 Kubernetes 原生调度的 Spark 程序
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="8.4" data-path="../usecases/serverless.html">
<a href="../usecases/serverless.html">
<b>8.4.</b>
Serverless 架构
</a>
<ul class="articles">
<li class="chapter " data-level="8.4.1" data-path="../usecases/understanding-serverless.html">
<a href="../usecases/understanding-serverless.html">
<b>8.4.1.</b>
理解 Serverless
</a>
</li>
<li class="chapter " data-level="8.4.2" data-path="../usecases/faas.html">
<a href="../usecases/faas.html">
<b>8.4.2.</b>
FaaS函数即服务
</a>
<ul class="articles">
<li class="chapter " data-level="8.4.2.1" data-path="../usecases/openfaas-quick-start.html">
<a href="../usecases/openfaas-quick-start.html">
<b>8.4.2.1.</b>
OpenFaaS 快速入门指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="8.4.3" data-path="../usecases/knative.html">
<a href="../usecases/knative.html">
<b>8.4.3.</b>
Knative
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="8.5" data-path="../usecases/edge-computing.html">
<a href="../usecases/edge-computing.html">
<b>8.5.</b>
边缘计算
</a>
</li>
<li class="chapter " data-level="8.6" data-path="../usecases/ai.html">
<a href="../usecases/ai.html">
<b>8.6.</b>
人工智能
</a>
</li>
<li class="chapter " data-level="8.7" data-path="../usecases/observability.html">
<a href="../usecases/observability.html">
<b>8.7.</b>
可观察性
</a>
</li>
<li class="header">开发指南</li>
<li class="chapter " data-level="9.1" data-path="../develop/">
<a href="../develop/">
<b>9.1.</b>
开发指南概览
</a>
</li>
<li class="chapter " data-level="9.2" data-path="../develop/sigs-and-working-group.html">
<a href="../develop/sigs-and-working-group.html">
<b>9.2.</b>
SIG 和工作组
</a>
</li>
<li class="chapter " data-level="9.3" data-path="../develop/developing-environment.html">
<a href="../develop/developing-environment.html">
<b>9.3.</b>
开发环境搭建
</a>
<ul class="articles">
<li class="chapter " data-level="9.3.1" data-path="../develop/using-vagrant-and-virtualbox-for-development.html">
<a href="../develop/using-vagrant-and-virtualbox-for-development.html">
<b>9.3.1.</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="9.4" data-path="../develop/testing.html">
<a href="../develop/testing.html">
<b>9.4.</b>
单元测试和集成测试
</a>
</li>
<li class="chapter " data-level="9.5" data-path="../develop/client-go-sample.html">
<a href="../develop/client-go-sample.html">
<b>9.5.</b>
client-go 示例
</a>
<ul class="articles">
<li class="chapter " data-level="9.5.1" data-path="../develop/client-go-informer-sourcecode-analyse.html">
<a href="../develop/client-go-informer-sourcecode-analyse.html">
<b>9.5.1.</b>
client-go 中的 informer 源码分析
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.6" data-path="../develop/operator.html">
<a href="../develop/operator.html">
<b>9.6.</b>
Operator
</a>
<ul class="articles">
<li class="chapter " data-level="9.6.1" data-path="../develop/operator-sdk.html">
<a href="../develop/operator-sdk.html">
<b>9.6.1.</b>
operator-sdk
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.7" data-path="../develop/kubebuilder.html">
<a href="../develop/kubebuilder.html">
<b>9.7.</b>
kubebuilder
</a>
<ul class="articles">
<li class="chapter " data-level="9.7.1" data-path="../develop/kubebuilder-example.html">
<a href="../develop/kubebuilder-example.html">
<b>9.7.1.</b>
使用 kubebuilder 创建 operator 示例
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.8" data-path="../develop/advance-developer.html">
<a href="../develop/advance-developer.html">
<b>9.8.</b>
高级开发指南
</a>
</li>
<li class="chapter " data-level="9.9" data-path="../develop/contribute.html">
<a href="../develop/contribute.html">
<b>9.9.</b>
社区贡献
</a>
</li>
<li class="chapter " data-level="9.10" data-path="../develop/minikube.html">
<a href="../develop/minikube.html">
<b>9.10.</b>
Minikube
</a>
</li>
<li class="header">社区及生态</li>
<li class="chapter " data-level="10.1" data-path="../cloud-native/cncf.html">
<a href="../cloud-native/cncf.html">
<b>10.1.</b>
云原生计算基金会CNCF
</a>
<ul class="articles">
<li class="chapter " data-level="10.1.1" data-path="../cloud-native/cncf-charter.html">
<a href="../cloud-native/cncf-charter.html">
<b>10.1.1.</b>
CNCF 章程
</a>
</li>
<li class="chapter " data-level="10.1.2" data-path="../cloud-native/cncf-sig.html">
<a href="../cloud-native/cncf-sig.html">
<b>10.1.2.</b>
CNCF 特别兴趣小组SIG说明
</a>
</li>
<li class="chapter " data-level="10.1.3" data-path="../cloud-native/cncf-sandbox-criteria.html">
<a href="../cloud-native/cncf-sandbox-criteria.html">
<b>10.1.3.</b>
开源项目加入 CNCF Sandbox 的要求
</a>
</li>
<li class="chapter " data-level="10.1.4" data-path="../cloud-native/cncf-project-governing.html">
<a href="../cloud-native/cncf-project-governing.html">
<b>10.1.4.</b>
CNCF 中的项目治理
</a>
</li>
<li class="chapter " data-level="10.1.5" data-path="../cloud-native/cncf-ambassador.html">
<a href="../cloud-native/cncf-ambassador.html">
<b>10.1.5.</b>
CNCF Ambassador
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="10.2" data-path="../cloud-native/cnc.html">
<a href="../cloud-native/cnc.html">
<b>10.2.</b>
云原生社区
</a>
</li>
<li class="chapter " data-level="10.3" data-path="../cloud-native/certification.html">
<a href="../cloud-native/certification.html">
<b>10.3.</b>
认证及培训
</a>
<ul class="articles">
<li class="chapter " data-level="10.3.1" data-path="../appendix/about-kcsp.html">
<a href="../appendix/about-kcsp.html">
<b>10.3.1.</b>
认证 Kubernetes 服务提供商KCSP说明
</a>
</li>
<li class="chapter " data-level="10.3.2" data-path="../appendix/about-cka-candidate.html">
<a href="../appendix/about-cka-candidate.html">
<b>10.3.2.</b>
认证 Kubernetes 管理员CKA说明
</a>
</li>
</ul>
</li>
<li class="header">附录</li>
<li class="chapter " data-level="11.1" data-path="../appendix/">
<a href="../appendix/">
<b>11.1.</b>
附录说明
</a>
</li>
<li class="chapter " data-level="11.2" data-path="../appendix/debug-kubernetes-services.html">
<a href="../appendix/debug-kubernetes-services.html">
<b>11.2.</b>
Kubernetes 中的应用故障排查
</a>
</li>
<li class="chapter " data-level="11.3" data-path="../appendix/material-share.html">
<a href="../appendix/material-share.html">
<b>11.3.</b>
Kubernetes 相关资讯和情报链接
</a>
</li>
<li class="chapter " data-level="11.4" data-path="../appendix/docker-best-practice.html">
<a href="../appendix/docker-best-practice.html">
<b>11.4.</b>
Docker 最佳实践
</a>
</li>
<li class="chapter " data-level="11.5" data-path="../appendix/tricks.html">
<a href="../appendix/tricks.html">
<b>11.5.</b>
使用技巧
</a>
</li>
<li class="chapter " data-level="11.6" data-path="../appendix/issues.html">
<a href="../appendix/issues.html">
<b>11.6.</b>
问题记录
</a>
</li>
<li class="chapter " data-level="11.7" data-path="../appendix/kubernetes-changelog.html">
<a href="../appendix/kubernetes-changelog.html">
<b>11.7.</b>
Kubernetes 版本更新日志
</a>
</li>
<li class="chapter " data-level="11.8" data-path="../appendix/summary-and-outlook.html">
<a href="../appendix/summary-and-outlook.html">
<b>11.8.</b>
Kubernetes 及云原生年度总结及展望
</a>
<ul class="articles">
<li class="chapter " data-level="11.8.1" 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>11.8.1.</b>
Kubernetes 与云原生 2017 年年终总结及 2018 年展望
</a>
</li>
<li class="chapter " data-level="11.8.2" 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>11.8.2.</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="11.9" data-path="../appendix/cncf-annual-report.html">
<a href="../appendix/cncf-annual-report.html">
<b>11.9.</b>
CNCF 年度报告解读
</a>
<ul class="articles">
<li class="chapter " data-level="11.9.1" data-path="../appendix/cncf-annual-report-2018.html">
<a href="../appendix/cncf-annual-report-2018.html">
<b>11.9.1.</b>
CNCF 2018 年年度报告解读
</a>
</li>
<li class="chapter " data-level="11.9.2" data-path="../appendix/cncf-annual-report-2020.html">
<a href="../appendix/cncf-annual-report-2020.html">
<b>11.9.2.</b>
CNCF 2020 年年度报告解读
</a>
</li>
</ul>
</li>
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<h1 id="&#x4F7F;&#x7528;crd&#x6269;&#x5C55;kubernetes-api">&#x4F7F;&#x7528;CRD&#x6269;&#x5C55;Kubernetes API</h1>
<p>&#x672C;&#x6587;&#x662F;&#x5982;&#x4F55;&#x521B;&#x5EFA; CRD &#x6765;&#x6269;&#x5C55; Kubernetes API &#x7684;&#x6559;&#x7A0B;&#x3002;CRD &#x662F;&#x7528;&#x6765;&#x6269;&#x5C55; Kubernetes &#x6700;&#x5E38;&#x7528;&#x7684;&#x65B9;&#x5F0F;&#xFF0C;&#x5728; Service Mesh &#x548C; Operator &#x4E2D;&#x4E5F;&#x88AB;&#x5927;&#x91CF;&#x4F7F;&#x7528;&#x3002;&#x56E0;&#x6B64;&#x8BFB;&#x8005;&#x5982;&#x679C;&#x60F3;&#x5728; Kubernetes &#x4E0A;&#x505A;&#x6269;&#x5C55;&#x548C;&#x5F00;&#x53D1;&#x7684;&#x8BDD;&#xFF0C;&#x662F;&#x5341;&#x5206;&#x6709;&#x5FC5;&#x8981;&#x4E86;&#x89E3; CRD &#x7684;&#x3002;</p>
<p>&#x5728;&#x9605;&#x8BFB;&#x672C;&#x6587;&#x524D;&#x60A8;&#x9700;&#x8981;&#x5148;&#x4E86;&#x89E3;<a href="custom-resource.html">&#x4F7F;&#x7528;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x6269;&#x5C55; API</a>&#xFF0C; &#x4EE5;&#x4E0B;&#x5185;&#x5BB9;&#x8BD1;&#x81EA; <a href="https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/" target="_blank">Kubernetes &#x5B98;&#x65B9;&#x6587;&#x6863;</a>&#xFF0C;&#x6709;&#x5220;&#x6539;&#xFF0C;&#x63A8;&#x8350;&#x9605;&#x8BFB;<a href="https://www.servicemesher.com/blog/kubernetes-crd-quick-start/" target="_blank">&#x5982;&#x4F55;&#x4ECE;&#x96F6;&#x5F00;&#x59CB;&#x7F16;&#x5199;&#x4E00;&#x4E2A; Kubernetes CRD</a>&#x3002;</p>
<h2 id="&#x521B;&#x5EFA;-crd&#xFF08;customresourcedefinition&#xFF09;">&#x521B;&#x5EFA; CRD&#xFF08;CustomResourceDefinition&#xFF09;</h2>
<p>&#x521B;&#x5EFA;&#x65B0;&#x7684; CustomResourceDefinition&#xFF08;CRD&#xFF09;&#x65F6;&#xFF0C;Kubernetes API Server &#x4F1A;&#x4E3A;&#x60A8;&#x6307;&#x5B9A;&#x7684;&#x6BCF;&#x4E2A;&#x7248;&#x672C;&#x521B;&#x5EFA;&#x65B0;&#x7684; RESTful &#x8D44;&#x6E90;&#x8DEF;&#x5F84;&#x3002;CRD &#x53EF;&#x4EE5;&#x662F;&#x547D;&#x540D;&#x7A7A;&#x95F4;&#x7684;&#xFF0C;&#x4E5F;&#x53EF;&#x4EE5;&#x662F;&#x96C6;&#x7FA4;&#x8303;&#x56F4;&#x7684;&#xFF0C;&#x53EF;&#x4EE5;&#x5728; CRD <code>scope</code> &#x5B57;&#x6BB5;&#x4E2D;&#x6240;&#x6307;&#x5B9A;&#x3002;&#x4E0E;&#x73B0;&#x6709;&#x7684;&#x5185;&#x7F6E;&#x5BF9;&#x8C61;&#x4E00;&#x6837;&#xFF0C;&#x5220;&#x9664;&#x547D;&#x540D;&#x7A7A;&#x95F4;&#x4F1A;&#x5220;&#x9664;&#x8BE5;&#x547D;&#x540D;&#x7A7A;&#x95F4;&#x4E2D;&#x7684;&#x6240;&#x6709;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x3002;CustomResourceDefinition &#x672C;&#x8EAB;&#x662F;&#x975E;&#x547D;&#x540D;&#x7A7A;&#x95F4;&#x7684;&#xFF0C;&#x53EF;&#x4F9B;&#x6240;&#x6709;&#x547D;&#x540D;&#x7A7A;&#x95F4;&#x4F7F;&#x7528;&#x3002;</p>
<p>&#x53C2;&#x8003;&#x4E0B;&#x9762;&#x7684; CRD&#xFF0C;&#x5C06;&#x5176;&#x914D;&#x7F6E;&#x4FDD;&#x5B58;&#x5728; <code>resourcedefinition.yaml</code> &#x6587;&#x4EF6;&#x4E2D;&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> apiextensions.k8s.io/v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CustomResourceDefinition
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token comment"># &#x540D;&#x79F0;&#x5FC5;&#x987B;&#x7B26;&#x5408;&#x4E0B;&#x9762;&#x7684;&#x683C;&#x5F0F;&#xFF1A;&lt;plural&gt;.&lt;group&gt;</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> crontabs.stable.example.com
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token comment"># REST API&#x4F7F;&#x7528;&#x7684;&#x7EC4;&#x540D;&#x79F0;&#xFF1A;/apis/&lt;group&gt;/&lt;version&gt;</span>
<span class="token key atrule">group</span><span class="token punctuation">:</span> stable.example.com
<span class="token comment"># REST API&#x4F7F;&#x7528;&#x7684;&#x7248;&#x672C;&#x53F7;&#xFF1A;/apis/&lt;group&gt;/&lt;version&gt;</span>
<span class="token key atrule">versions</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> v1
<span class="token comment"># &#x53EF;&#x4EE5;&#x901A;&#x8FC7; served &#x6765;&#x5F00;&#x5173;&#x6BCF;&#x4E2A; version</span>
<span class="token key atrule">served</span><span class="token punctuation">:</span> <span class="token boolean important">true</span>
<span class="token comment"># &#x6709;&#x4E14;&#x4EC5;&#x6709;&#x4E00;&#x4E2A; version &#x5F00;&#x542F;&#x5B58;&#x50A8;</span>
<span class="token key atrule">storage</span><span class="token punctuation">:</span> <span class="token boolean important">true</span>
<span class="token key atrule">schema</span><span class="token punctuation">:</span>
<span class="token key atrule">openAPIV3Schema</span><span class="token punctuation">:</span>
<span class="token key atrule">type</span><span class="token punctuation">:</span> object
<span class="token key atrule">properties</span><span class="token punctuation">:</span>
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">type</span><span class="token punctuation">:</span> object
<span class="token key atrule">properties</span><span class="token punctuation">:</span>
<span class="token key atrule">cronSpec</span><span class="token punctuation">:</span>
<span class="token key atrule">type</span><span class="token punctuation">:</span> string
<span class="token key atrule">image</span><span class="token punctuation">:</span>
<span class="token key atrule">type</span><span class="token punctuation">:</span> string
<span class="token key atrule">replicas</span><span class="token punctuation">:</span>
<span class="token key atrule">type</span><span class="token punctuation">:</span> integer
<span class="token comment"># Namespaced&#x6216;Cluster</span>
<span class="token key atrule">scope</span><span class="token punctuation">:</span> Namespaced
<span class="token key atrule">names</span><span class="token punctuation">:</span>
<span class="token comment"># URL&#x4E2D;&#x4F7F;&#x7528;&#x7684;&#x590D;&#x6570;&#x540D;&#x79F0;: /apis/&lt;group&gt;/&lt;version&gt;/&lt;plural&gt;</span>
<span class="token key atrule">plural</span><span class="token punctuation">:</span> crontabs
<span class="token comment"># CLI&#x4E2D;&#x4F7F;&#x7528;&#x7684;&#x5355;&#x6570;&#x540D;&#x79F0;</span>
<span class="token key atrule">singular</span><span class="token punctuation">:</span> crontab
<span class="token comment"># CamelCased&#x683C;&#x5F0F;&#x7684;&#x5355;&#x6570;&#x7C7B;&#x578B;&#x3002;&#x5728;&#x6E05;&#x5355;&#x6587;&#x4EF6;&#x4E2D;&#x4F7F;&#x7528;</span>
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token comment"># CLI&#x4E2D;&#x4F7F;&#x7528;&#x7684;&#x8D44;&#x6E90;&#x7B80;&#x79F0;</span>
<span class="token key atrule">shortNames</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> ct
</code></pre>
<blockquote>
<p>&#x6B64;&#x5904;&#x4F7F;&#x7528;&#x7684; apiVersion &#x7248;&#x672C;&#x662F; <code>apiextensions.k8s.io/v1</code>&#xFF0C;&#x8DDF;&#x4E0A;&#x4E00;&#x7248; <code>apiextensions.k8s.io/v1beta1</code> &#x7684;&#x6700;&#x4E3B;&#x8981;&#x533A;&#x522B;&#x662F;&#x6539;&#x7528;&#x4E86; <a href="https://kubernetes.io/docs/tasks/access-kubernetes-api/extend-api-custom-resource-definitions/#validation" target="_blank">OpenAPI v3.0 validation schema</a>&#x3002;</p>
</blockquote>
<p>&#x521B;&#x5EFA;&#x8BE5; CRD&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl create -f resourcedefinition.yaml
</code></pre>
<p>&#x8BBF;&#x95EE; RESTful API &#x7AEF;&#x70B9;&#x5982; <a href="http://172.20.0.113:8080" target="_blank">http://172.20.0.113:8080</a> &#x5C06;&#x770B;&#x5230;&#x5982;&#x4E0B; API &#x7AEF;&#x70B9;&#x5DF2;&#x521B;&#x5EFA;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">/apis/stable.example.com/v1/namespaces/*/crontabs/<span class="token punctuation">..</span>.
</code></pre>
<p>&#x7136;&#x540E;&#xFF0C;&#x6B64;&#x7AEF;&#x70B9; URL &#x53EF;&#x7528;&#x4E8E;&#x521B;&#x5EFA;&#x548C;&#x7BA1;&#x7406;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x3002;&#x4E0A;&#x9762;&#x7684; CRD &#x4E2D;&#x5B9A;&#x4E49;&#x7684;&#x7C7B;&#x578B;&#x5C31;&#x662F; <code>CronTab</code>&#x3002;</p>
<p>&#x53EF;&#x80FD;&#x9700;&#x8981;&#x51E0;&#x79D2;&#x949F;&#x624D;&#x80FD;&#x521B;&#x5EFA;&#x7AEF;&#x70B9;&#x3002;&#x60A8;&#x53EF;&#x4EE5;&#x76D1;&#x63A7; CustomResourceDefinition &#x4E2D; <code>Established</code> &#x7684;&#x72B6;&#x6001;&#x4F55;&#x65F6;&#x4E3A; true&#xFF0C;&#x6216;&#x8005;&#x67E5;&#x770B; API &#x8D44;&#x6E90;&#x7684;&#x53D1;&#x73B0;&#x4FE1;&#x606F;&#x4E2D;&#x662F;&#x5426;&#x663E;&#x793A;&#x4E86;&#x60A8;&#x7684;&#x8D44;&#x6E90;&#x3002;</p>
<h2 id="&#x521B;&#x5EFA;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;">&#x521B;&#x5EFA;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;</h2>
<p>&#x521B;&#x5EFA; CustomResourceDefinition &#x5BF9;&#x8C61;&#x540E;&#xFF0C;&#x60A8;&#x53EF;&#x4EE5;&#x521B;&#x5EFA;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x3002;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x53EF;&#x5305;&#x542B;&#x81EA;&#x5B9A;&#x4E49;&#x5B57;&#x6BB5;&#x3002;&#x8FD9;&#x4E9B;&#x5B57;&#x6BB5;&#x53EF;&#x4EE5;&#x5305;&#x542B;&#x4EFB;&#x610F; JSON&#x3002;&#x5728;&#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C; <code>cronSpec</code> &#x548C; <code>image</code> &#x81EA;&#x5B9A;&#x4E49;&#x5B57;&#x6BB5;&#x5728;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x4E2D;&#x8BBE;&#x7F6E; <code>CronTab</code>&#x3002;<code>CronTab</code> &#x7C7B;&#x578B;&#x6765;&#x81EA;&#x60A8;&#x5728;&#x4E0A;&#x9762;&#x521B;&#x5EFA;&#x7684; CustomResourceDefinition &#x5BF9;&#x8C61;&#x7684;&#x89C4;&#x8303;&#x3002;</p>
<p>&#x5982;&#x679C;&#x60A8;&#x5C06;&#x4EE5;&#x4E0B; YAML &#x4FDD;&#x5B58;&#x5230; <code>my-crontab.yaml</code>&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> <span class="token string">&quot;stable.example.com/v1&quot;</span>
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>new<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>object
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">cronSpec</span><span class="token punctuation">:</span> <span class="token string">&quot;* * * * */5&quot;</span>
<span class="token key atrule">image</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>awesome<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>image
</code></pre>
<p>&#x5E76;&#x521B;&#x5EFA;&#x5B83;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl create -f my-crontab.yaml
</code></pre>
<p>&#x7136;&#x540E;&#xFF0C;&#x60A8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528; kubectl &#x7BA1;&#x7406; CronTab &#x5BF9;&#x8C61;&#x3002;&#x4F8B;&#x5982;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl get <span class="token function">crontab</span>
</code></pre>
<p>&#x5E94;&#x8BE5;&#x6253;&#x5370;&#x8FD9;&#x6837;&#x7684;&#x5217;&#x8868;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">NAME AGE
my-new-cron-object 6s
</code></pre>
<p>&#x4F7F;&#x7528; kubectl &#x65F6;&#xFF0C;&#x8D44;&#x6E90;&#x540D;&#x79F0;&#x4E0D;&#x533A;&#x5206;&#x5927;&#x5C0F;&#x5199;&#xFF0C;&#x60A8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528; CRD &#x4E2D;&#x5B9A;&#x4E49;&#x7684;&#x5355;&#x6570;&#x6216;&#x590D;&#x6570;&#x5F62;&#x5F0F;&#xFF0C;&#x4EE5;&#x53CA;&#x4EFB;&#x4F55;&#x77ED;&#x540D;&#x79F0;&#x3002;</p>
<p>&#x60A8;&#x8FD8;&#x53EF;&#x4EE5;&#x67E5;&#x770B;&#x539F;&#x59CB; YAML &#x6570;&#x636E;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl get ct -o yaml
</code></pre>
<p>&#x60A8;&#x5E94;&#x8BE5;&#x770B;&#x5230;&#x5B83;&#x7684; yaml &#x4E2D;&#x7684;&#x81EA;&#x5B9A;&#x4E49; <code>cronSpec</code> &#x548C; <code>image</code> &#x5B57;&#x6BB5;&#xFF1A;</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">items</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> stable.example.com/v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">clusterName</span><span class="token punctuation">:</span> <span class="token string">&quot;&quot;</span>
<span class="token key atrule">creationTimestamp</span><span class="token punctuation">:</span> <span class="token datetime number">2017-05-31T12:56:35Z</span>
<span class="token key atrule">deletionGracePeriodSeconds</span><span class="token punctuation">:</span> <span class="token null important">null</span>
<span class="token key atrule">deletionTimestamp</span><span class="token punctuation">:</span> <span class="token null important">null</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>new<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>object
<span class="token key atrule">namespace</span><span class="token punctuation">:</span> default
<span class="token key atrule">resourceVersion</span><span class="token punctuation">:</span> <span class="token string">&quot;285&quot;</span>
<span class="token key atrule">selfLink</span><span class="token punctuation">:</span> /apis/stable.example.com/v1/namespaces/default/crontabs/my<span class="token punctuation">-</span>new<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>object
<span class="token key atrule">uid</span><span class="token punctuation">:</span> 9423255b<span class="token punctuation">-</span>4600<span class="token punctuation">-</span>11e7<span class="token punctuation">-</span>af6a<span class="token punctuation">-</span>28d2447dc82b
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">cronSpec</span><span class="token punctuation">:</span> <span class="token string">&apos;* * * * */5&apos;</span>
<span class="token key atrule">image</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>awesome<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>image
<span class="token key atrule">kind</span><span class="token punctuation">:</span> List
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">resourceVersion</span><span class="token punctuation">:</span> <span class="token string">&quot;&quot;</span>
<span class="token key atrule">selfLink</span><span class="token punctuation">:</span> <span class="token string">&quot;&quot;</span>
</code></pre>
<h2 id="&#x5220;&#x9664;-customresourcedefinition">&#x5220;&#x9664; CustomResourceDefinition</h2>
<p>&#x5220;&#x9664; CustomResourceDefinition &#x65F6;&#xFF0C;&#x670D;&#x52A1;&#x5668;&#x5C06;&#x5220;&#x9664; RESTful API &#x7AEF;&#x70B9;&#x5E76;<strong>&#x5220;&#x9664;&#x5B58;&#x50A8;&#x5728;&#x5176;&#x4E2D;&#x7684;&#x6240;&#x6709;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;</strong>&#x3002;</p>
<pre class="language-"><code class="lang-bash">kubectl delete -f resourcedefinition.yaml
kubectl get crontabs
Error from server <span class="token punctuation">(</span>NotFound<span class="token punctuation">)</span>: Unable to list <span class="token string">&quot;crontabs&quot;</span><span class="token builtin class-name">:</span> the server could not <span class="token function">find</span> the requested resource <span class="token punctuation">(</span>get crontabs.stable.example.com<span class="token punctuation">)</span>
</code></pre>
<p>&#x5982;&#x679C;&#x7A0D;&#x540E;&#x91CD;&#x65B0;&#x521B;&#x5EFA;&#x76F8;&#x540C;&#x7684; CustomResourceDefinition&#xFF0C;&#x5B83;&#x5C06;&#x4ECE;&#x7A7A;&#x5F00;&#x59CB;&#x3002;</p>
<h2 id="&#x63D0;&#x4F9B;-crd-&#x7684;&#x591A;&#x4E2A;&#x7248;&#x672C;">&#x63D0;&#x4F9B; CRD &#x7684;&#x591A;&#x4E2A;&#x7248;&#x672C;</h2>
<p>&#x6709;&#x5173;&#x63D0;&#x4F9B; CustomResourceDefinition &#x7684;&#x591A;&#x4E2A;&#x7248;&#x672C;&#x4EE5;&#x53CA;&#x5C06;&#x5BF9;&#x8C61;&#x4ECE;&#x4E00;&#x4E2A;&#x7248;&#x672C;&#x8FC1;&#x79FB;&#x5230;&#x53E6;&#x4E00;&#x4E2A;&#x7248;&#x672C;&#x7684;&#x8BE6;&#x7EC6;&#x4FE1;&#x606F;&#xFF0C;&#x8BF7;&#x53C2;&#x9605;<a href="https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definition-versioning/" target="_blank">&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x5B9A;&#x4E49;&#x7248;&#x672C;&#x63A7;&#x5236;</a>&#x3002;</p>
<h2 id="&#x9AD8;&#x7EA7;&#x4E3B;&#x9898;">&#x9AD8;&#x7EA7;&#x4E3B;&#x9898;</h2>
<h3 id="finalizer&#xFF08;&#x7EC8;&#x7ED3;&#x5668;&#xFF09;">Finalizer&#xFF08;&#x7EC8;&#x7ED3;&#x5668;&#xFF09;</h3>
<p><em>Finalizer&#xFF08;&#x7EC8;&#x7ED3;&#x5668;&#xFF09;</em>&#x5141;&#x8BB8;&#x63A7;&#x5236;&#x5668;&#x5B9E;&#x73B0;&#x5F02;&#x6B65;&#x9884;&#x5220;&#x9664; hook&#x3002;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x652F;&#x6301;&#x7EC8;&#x7ED3;&#x5668;&#xFF0C;&#x5C31;&#x50CF;&#x5185;&#x7F6E;&#x5BF9;&#x8C61;&#x4E00;&#x6837;&#x3002;</p>
<p>&#x60A8;&#x53EF;&#x4EE5;&#x5C06;&#x7EC8;&#x7ED3;&#x5668;&#x6DFB;&#x52A0;&#x5230;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#xFF0C;&#x5982;&#x4E0B;&#x6240;&#x793A;&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> <span class="token string">&quot;stable.example.com/v1&quot;</span>
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">finalizers</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> finalizer.stable.example.com
</code></pre>
<p>&#x7EC8;&#x7ED3;&#x5668;&#x662F;&#x4EFB;&#x610F;&#x5B57;&#x7B26;&#x4E32;&#x503C;&#xFF0C;&#x5F53;&#x5B58;&#x5728;&#x65F6;&#x786E;&#x4FDD;&#x5728;&#x8D44;&#x6E90;&#x5B58;&#x5728;&#x65F6;&#x4E0D;&#x53EF;&#x80FD;&#x8FDB;&#x884C;&#x786C;&#x5220;&#x9664;&#x3002;</p>
<p>&#x5BF9;&#x5177;&#x6709;&#x7EC8;&#x7ED3;&#x5668;&#x7684;&#x5BF9;&#x8C61;&#x7684;&#x7B2C;&#x4E00;&#x4E2A;&#x5220;&#x9664;&#x8BF7;&#x6C42;&#x8BBE;&#x7F6E;&#x8BE5;<code>metadata.deletionTimestamp</code>&#x5B57;&#x6BB5;&#x7684;&#x503C;&#xFF0C; &#x4F46;&#x4E0D;&#x5220;&#x9664;&#x5B83;&#x3002;&#x8BBE;&#x7F6E;&#x6B64;&#x503C;&#x540E;&#xFF0C;<code>finalizer</code> &#x53EA;&#x80FD;&#x5220;&#x9664;&#x5217;&#x8868;&#x4E2D;&#x7684;&#x6761;&#x76EE;&#x3002;</p>
<p>&#x5982;&#x679C;&#x8BBE;&#x7F6E;&#x4E86; <code>metadata.deletionTimestamp</code> &#x5B57;&#x6BB5;&#xFF0C;&#x63A7;&#x5236;&#x5668;&#x76D1;&#x63A7;&#x5BF9;&#x8C61;&#x5C06;&#x6267;&#x884C;&#x5B83;&#x4EEC;&#x6240;&#x6709;&#x7684;&#x7EC8;&#x7ED3;&#x5668;&#xFF0C;&#x5BF9;&#x8BE5;&#x5BF9;&#x8C61;&#x8F6E;&#x8BE2;&#x66F4;&#x65B0;&#x8BF7;&#x6C42;&#x3002;&#x6267;&#x884C;&#x5B8C;&#x6240;&#x6709;&#x7EC8;&#x7ED3;&#x5668;&#x540E;&#xFF0C;&#x5C06;&#x5220;&#x9664;&#x8BE5;&#x8D44;&#x6E90;&#x3002;</p>
<p>&#x503C;<code>metadata.deletionGracePeriodSeconds</code>&#x63A7;&#x5236;&#x8F6E;&#x8BE2;&#x66F4;&#x65B0;&#x4E4B;&#x95F4;&#x7684;&#x95F4;&#x9694;&#x3002;</p>
<p>&#x6BCF;&#x4E2A;&#x63A7;&#x5236;&#x5668;&#x90FD;&#x6709;&#x8D23;&#x4EFB;&#x4ECE;&#x5217;&#x8868;&#x4E2D;&#x5220;&#x9664;&#x5176;&#x7EC8;&#x7ED3;&#x5668;&#x3002;</p>
<p>&#x5982;&#x679C;&#x7EC8;&#x7ED3;&#x5668;&#x5217;&#x8868;&#x4E3A;&#x7A7A;&#xFF0C;Kubernetes &#x6700;&#x7EC8;&#x53EA;&#x4F1A;&#x5220;&#x9664;&#x8BE5;&#x5BF9;&#x8C61;&#xFF0C;&#x8FD9;&#x610F;&#x5473;&#x7740;&#x6240;&#x6709;&#x7EC8;&#x7ED3;&#x5668;&#x90FD;&#x5DF2;&#x6267;&#x884C;&#x3002;</p>
<h3 id="validation&#xFF08;&#x9A8C;&#x8BC1;&#xFF09;">Validation&#xFF08;&#x9A8C;&#x8BC1;&#xFF09;</h3>
<p><strong>&#x529F;&#x80FD;&#x72B6;&#x6001;&#xFF1A;</strong> <code>Kubernetes v1.12</code> <a href="https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/#" target="_blank">beta</a></p>
<p>&#x53EF;&#x4EE5;&#x901A;&#x8FC7; <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.0.md#schemaObject" target="_blank">OpenAPI v3 schema</a>&#x9A8C;&#x8BC1;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x662F;&#x5426;&#x7B26;&#x5408;&#x6807;&#x51C6; &#x3002;&#x6B64;&#x5916;&#xFF0C;&#x4EE5;&#x4E0B;&#x9650;&#x5236;&#x9002;&#x7528;&#x4E8E; schema&#xFF1A;</p>
<ul>
<li>&#x5B57;&#x6BB5;<code>default</code>&#x3001;<code>nullable</code>&#x3001;<code>discriminator</code>&#x3001;<code>readOnly</code>&#x3001;<code>writeOnly</code>&#x3001;<code>xml</code>&#x3001; <code>deprecated</code> &#x548C; <code>$ref</code> &#x4E0D;&#x80FD;&#x8BBE;&#x7F6E;&#x3002;</li>
<li>&#x8BE5;&#x5B57;&#x6BB5; <code>uniqueItems</code> &#x4E0D;&#x80FD;&#x8BBE;&#x7F6E;&#x4E3A; true&#x3002;</li>
<li>&#x8BE5;&#x5B57;&#x6BB5; <code>additionalProperties</code> &#x4E0D;&#x80FD;&#x8BBE;&#x7F6E;&#x4E3A; false&#x3002;</li>
</ul>
<p>&#x60A8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528; <a href="https://kubernetes.io/docs/admin/kube-apiserver" target="_blank">kube-apiserver</a><code>CustomResourceValidation</code> &#x4E0A;&#x7684;&#x529F;&#x80FD;&#x95E8;&#xFF08;feature gate&#xFF09;&#x7981;&#x7528;&#x6B64;&#x529F;&#x80FD;&#xFF1A;</p>
<pre class="language-"><code>--feature-gates=CustomResourceValidation=false
</code></pre><p>&#x8BE5; schema &#x5728; CustomResourceDefinition &#x4E2D;&#x5B9A;&#x4E49;&#x3002;&#x5728;&#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;CustomResourceDefinition &#x5BF9;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x5E94;&#x7528;&#x4EE5;&#x4E0B;&#x9A8C;&#x8BC1;&#xFF1A;</p>
<ul>
<li><code>spec.cronSpec</code> &#x5FC5;&#x987B;&#x662F;&#x5B57;&#x7B26;&#x4E32;&#xFF0C;&#x5E76;&#x4E14;&#x5FC5;&#x987B;&#x662F;&#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;&#x63CF;&#x8FF0;&#x7684;&#x5F62;&#x5F0F;&#x3002;</li>
<li><code>spec.replicas</code> &#x5FC5;&#x987B;&#x662F;&#x6574;&#x6570;&#xFF0C;&#x4E14;&#x6700;&#x5C0F;&#x503C;&#x5FC5;&#x987B;&#x4E3A; 1&#xFF0C;&#x6700;&#x5927;&#x503C;&#x4E3A; 10&#x3002;</li>
</ul>
<p>&#x5C06; CustomResourceDefinition &#x4FDD;&#x5B58;&#x5230; <code>resourcedefinition.yaml</code>&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> apiextensions.k8s.io/v1beta1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CustomResourceDefinition
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> crontabs.stable.example.com
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">group</span><span class="token punctuation">:</span> stable.example.com
<span class="token key atrule">versions</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> v1
<span class="token key atrule">served</span><span class="token punctuation">:</span> <span class="token boolean important">true</span>
<span class="token key atrule">storage</span><span class="token punctuation">:</span> <span class="token boolean important">true</span>
<span class="token key atrule">version</span><span class="token punctuation">:</span> v1
<span class="token key atrule">scope</span><span class="token punctuation">:</span> Namespaced
<span class="token key atrule">names</span><span class="token punctuation">:</span>
<span class="token key atrule">plural</span><span class="token punctuation">:</span> crontabs
<span class="token key atrule">singular</span><span class="token punctuation">:</span> crontab
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">shortNames</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> ct
<span class="token key atrule">validation</span><span class="token punctuation">:</span>
<span class="token comment"># openAPIV3Schema &#x9002;&#x7528;&#x4E8E;&#x9A8C;&#x8BC1;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x7684; schema&#x3002;</span>
<span class="token key atrule">openAPIV3Schema</span><span class="token punctuation">:</span>
<span class="token key atrule">properties</span><span class="token punctuation">:</span>
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">properties</span><span class="token punctuation">:</span>
<span class="token key atrule">cronSpec</span><span class="token punctuation">:</span>
<span class="token key atrule">type</span><span class="token punctuation">:</span> string
<span class="token key atrule">pattern</span><span class="token punctuation">:</span> <span class="token string">&apos;^(\d+|\*)(/\d+)?(\s+(\d+|\*)(/\d+)?){4}$&apos;</span>
<span class="token key atrule">replicas</span><span class="token punctuation">:</span>
<span class="token key atrule">type</span><span class="token punctuation">:</span> integer
<span class="token key atrule">minimum</span><span class="token punctuation">:</span> <span class="token number">1</span>
<span class="token key atrule">maximum</span><span class="token punctuation">:</span> <span class="token number">10</span>
</code></pre>
<p>&#x5E76;&#x521B;&#x5EFA;&#x5B83;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl create -f resourcedefinition.yaml
</code></pre>
<p><code>CronTab</code> &#x5982;&#x679C;&#x5176;&#x5B57;&#x6BB5;&#x4E2D;&#x5B58;&#x5728;&#x65E0;&#x6548;&#x503C;&#xFF0C;&#x5219;&#x5C06;&#x62D2;&#x7EDD;&#x521B;&#x5EFA;&#x7C7B;&#x578B;&#x7684;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x7684;&#x8BF7;&#x6C42;&#x3002;&#x5728;&#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x5305;&#x542B;&#x5177;&#x6709;&#x65E0;&#x6548;&#x503C;&#x7684;&#x5B57;&#x6BB5;&#xFF1A;</p>
<ul>
<li><code>spec.cronSpec</code> &#x4E0E;&#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;&#x4E0D;&#x5339;&#x914D;&#x3002;</li>
<li><code>spec.replicas</code> &#x5927;&#x4E8E;10&#x3002;</li>
</ul>
<p>&#x5982;&#x679C;&#x60A8;&#x5C06;&#x4EE5;&#x4E0B;YAML&#x4FDD;&#x5B58;&#x5230;<code>my-crontab.yaml</code>&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> <span class="token string">&quot;stable.example.com/v1&quot;</span>
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>new<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>object
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">cronSpec</span><span class="token punctuation">:</span> <span class="token string">&quot;* * * *&quot;</span>
<span class="token key atrule">image</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>awesome<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>image
<span class="token key atrule">replicas</span><span class="token punctuation">:</span> <span class="token number">15</span>
</code></pre>
<p>&#x5E76;&#x521B;&#x5EFA;&#x5B83;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl create -f my-crontab.yaml
</code></pre>
<p>&#x4F60;&#x4F1A;&#x6536;&#x5230;&#x4E00;&#x4E2A;&#x9519;&#x8BEF;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">The CronTab <span class="token string">&quot;my-new-cron-object&quot;</span> is invalid: <span class="token punctuation">[</span><span class="token punctuation">]</span>: Invalid value: map<span class="token punctuation">[</span>string<span class="token punctuation">]</span>interface <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">{</span><span class="token string">&quot;apiVersion&quot;</span><span class="token builtin class-name">:</span><span class="token string">&quot;stable.example.com/v1&quot;</span>, <span class="token string">&quot;kind&quot;</span><span class="token builtin class-name">:</span><span class="token string">&quot;CronTab&quot;</span>, <span class="token string">&quot;metadata&quot;</span>:map<span class="token punctuation">[</span>string<span class="token punctuation">]</span>interface <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">{</span><span class="token string">&quot;name&quot;</span><span class="token builtin class-name">:</span><span class="token string">&quot;my-new-cron-object&quot;</span>, <span class="token string">&quot;namespace&quot;</span><span class="token builtin class-name">:</span><span class="token string">&quot;default&quot;</span>, <span class="token string">&quot;deletionTimestamp&quot;</span>:interface <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">(</span>nil<span class="token punctuation">)</span>, <span class="token string">&quot;deletionGracePeriodSeconds&quot;</span>:<span class="token punctuation">(</span>*int64<span class="token punctuation">)</span><span class="token punctuation">(</span>nil<span class="token punctuation">)</span>, <span class="token string">&quot;creationTimestamp&quot;</span><span class="token builtin class-name">:</span><span class="token string">&quot;2017-09-05T05:20:07Z&quot;</span>, <span class="token string">&quot;uid&quot;</span><span class="token builtin class-name">:</span><span class="token string">&quot;e14d79e7-91f9-11e7-a598-f0761cb232d1&quot;</span>, <span class="token string">&quot;selfLink&quot;</span><span class="token builtin class-name">:</span><span class="token string">&quot;&quot;</span>, <span class="token string">&quot;clusterName&quot;</span><span class="token builtin class-name">:</span><span class="token string">&quot;&quot;</span><span class="token punctuation">}</span>, <span class="token string">&quot;spec&quot;</span>:map<span class="token punctuation">[</span>string<span class="token punctuation">]</span>interface <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">{</span><span class="token string">&quot;cronSpec&quot;</span><span class="token builtin class-name">:</span><span class="token string">&quot;* * * *&quot;</span>, <span class="token string">&quot;image&quot;</span><span class="token builtin class-name">:</span><span class="token string">&quot;my-awesome-cron-image&quot;</span>, <span class="token string">&quot;replicas&quot;</span>:15<span class="token punctuation">}</span><span class="token punctuation">}</span>:
validation failure list:
spec.cronSpec <span class="token keyword">in</span> body should match <span class="token string">&apos;^(\d+|\*)(/\d+)?(\s+(\d+|\*)(/\d+)?){4}$&apos;</span>
spec.replicas <span class="token keyword">in</span> body should be <span class="token function">less</span> than or equal to <span class="token number">10</span>
</code></pre>
<p>&#x5982;&#x679C;&#x5B57;&#x6BB5;&#x5305;&#x542B;&#x6709;&#x6548;&#x503C;&#xFF0C;&#x5219;&#x63A5;&#x53D7;&#x5BF9;&#x8C61;&#x521B;&#x5EFA;&#x8BF7;&#x6C42;&#x3002;</p>
<p>&#x5C06;&#x4EE5;&#x4E0B; YAML &#x4FDD;&#x5B58;&#x5230; <code>my-crontab.yaml</code>&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> <span class="token string">&quot;stable.example.com/v1&quot;</span>
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>new<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>object
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">cronSpec</span><span class="token punctuation">:</span> <span class="token string">&quot;* * * * */5&quot;</span>
<span class="token key atrule">image</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>awesome<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>image
<span class="token key atrule">replicas</span><span class="token punctuation">:</span> <span class="token number">5</span>
</code></pre>
<p>&#x5E76;&#x521B;&#x5EFA;&#x5B83;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl create -f my-crontab.yaml
<span class="token function">crontab</span> <span class="token string">&quot;my-new-cron-object&quot;</span> created
</code></pre>
<h3 id="&#x5176;&#x4ED6;&#x6253;&#x5370;&#x5217;">&#x5176;&#x4ED6;&#x6253;&#x5370;&#x5217;</h3>
<p>&#x4ECE; Kubernetes 1.11 &#x5F00;&#x59CB;&#xFF0C;kubectl &#x4F7F;&#x7528;&#x670D;&#x52A1;&#x5668;&#x7AEF;&#x6253;&#x5370;&#x3002;&#x670D;&#x52A1;&#x5668;&#x51B3;&#x5B9A; <code>kubectl get</code> &#x547D;&#x4EE4;&#x663E;&#x793A;&#x54EA;&#x4E9B;&#x5217;&#x3002;&#x60A8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528; CustomResourceDefinition &#x81EA;&#x5B9A;&#x4E49;&#x8FD9;&#x4E9B;&#x5217;&#x3002;&#x4E0B;&#x9762;&#x7684;&#x793A;&#x4F8B;&#x5C06;&#x8F93;&#x51FA; <code>Spec</code>&#x3001;<code>Replicas</code> &#x548C; <code>Age</code> &#x5217;&#x3002;</p>
<ol>
<li><p>&#x5C06; CustomResourceDefinition &#x4FDD;&#x5B58;&#x5230; <code>resourcedefinition.yaml</code>&#x3002;</p>
<pre class="language-"><code class="lang-yaml"> <span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> apiextensions.k8s.io/v1beta1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CustomResourceDefinition
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> crontabs.stable.example.com
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">group</span><span class="token punctuation">:</span> stable.example.com
<span class="token key atrule">version</span><span class="token punctuation">:</span> v1
<span class="token key atrule">scope</span><span class="token punctuation">:</span> Namespaced
<span class="token key atrule">names</span><span class="token punctuation">:</span>
<span class="token key atrule">plural</span><span class="token punctuation">:</span> crontabs
<span class="token key atrule">singular</span><span class="token punctuation">:</span> crontab
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">shortNames</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> ct
<span class="token key atrule">additionalPrinterColumns</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> Spec
<span class="token key atrule">type</span><span class="token punctuation">:</span> string
<span class="token key atrule">description</span><span class="token punctuation">:</span> The cron spec defining the interval a CronJob is run
<span class="token key atrule">JSONPath</span><span class="token punctuation">:</span> .spec.cronSpec
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> Replicas
<span class="token key atrule">type</span><span class="token punctuation">:</span> integer
<span class="token key atrule">description</span><span class="token punctuation">:</span> The number of jobs launched by the CronJob
<span class="token key atrule">JSONPath</span><span class="token punctuation">:</span> .spec.replicas
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> Age
<span class="token key atrule">type</span><span class="token punctuation">:</span> date
<span class="token key atrule">JSONPath</span><span class="token punctuation">:</span> .metadata.creationTimestamp
</code></pre>
</li>
<li><p>&#x521B;&#x5EFA; CustomResourceDefinition&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl create -f resourcedefinition.yaml
</code></pre>
</li>
<li><p>&#x4F7F;&#x7528;&#x4E0A;&#x4E00;&#x8282;&#x4E2D;&#x7684;&#x521B;&#x5EFA;&#x7684; <code>my-crontab.yaml</code> &#x5B9E;&#x4F8B;&#x3002;</p>
</li>
<li><p>&#x8C03;&#x7528;&#x670D;&#x52A1;&#x5668;&#x7AEF;&#x6253;&#x5370;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl get <span class="token function">crontab</span> my-new-cron-object
</code></pre>
<p>&#x8BF7;&#x6CE8;&#x610F; <code>NAME</code>&#x3001;<code>SPEC</code>&#x3001;<code>REPLICAS</code> &#x548C; <code>AGE</code> &#x5728;&#x8F93;&#x51FA;&#x5217;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash"> NAME SPEC REPLICAS AGE
my-new-cron-object * * * * * <span class="token number">1</span> 7s
</code></pre>
<p><code>NAME</code> &#x5217;&#x662F;&#x9690;&#x542B;&#x7684;&#xFF0C;&#x4E0D;&#x9700;&#x8981;&#x5728; CustomResourceDefinition &#x4E2D;&#x5B9A;&#x4E49;&#x3002;</p>
</li>
</ol>
<h4 id="priority&#xFF08;&#x4F18;&#x5148;&#x7EA7;&#xFF09;">Priority&#xFF08;&#x4F18;&#x5148;&#x7EA7;&#xFF09;</h4>
<p>&#x6BCF;&#x5217;&#x4E2D;&#x90FD;&#x5305;&#x542B;&#x4E00;&#x4E2A; <code>priority</code> &#x5B57;&#x6BB5;&#x3002;&#x76EE;&#x524D;&#xFF0C;&#x4F18;&#x5148;&#x7EA7;&#x533A;&#x5206;&#x6807;&#x51C6;&#x89C6;&#x56FE;&#x6216; wide &#x89C6;&#x56FE;&#x4E2D;&#x663E;&#x793A;&#x7684;&#x5217;&#xFF08;&#x4F7F;&#x7528; <code>-o wide</code> &#x6807;&#x5FD7;&#xFF09;&#x3002;</p>
<ul>
<li>&#x5177;&#x6709;&#x4F18;&#x5148;&#x7EA7;&#x7684;&#x5217; <code>0</code> &#x663E;&#x793A;&#x5728;&#x6807;&#x51C6;&#x89C6;&#x56FE;&#x4E2D;&#x3002;</li>
<li>&#x4F18;&#x5148;&#x7EA7;&#x5927;&#x4E8E; <code>0</code> &#x7684;&#x5217;&#x4EC5;&#x5728; wide &#x89C6;&#x56FE;&#x4E2D;&#x663E;&#x793A;&#x3002;</li>
</ul>
<h4 id="type&#xFF08;&#x7C7B;&#x578B;&#xFF09;">Type&#xFF08;&#x7C7B;&#x578B;&#xFF09;</h4>
<p>&#x5217;&#x4E2D;&#x7684; <code>type</code> &#x5B57;&#x6BB5;&#x53EF;&#x4EE5;&#x662F;&#x4EE5;&#x4E0B;&#x4EFB;&#x4F55;&#x4E00;&#x79CD;&#xFF08;&#x53C2;&#x8003; <a href="https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.0.md#dataTypes" target="_blank">OpenAPI v3 &#x6570;&#x636E;&#x7C7B;&#x578B;</a>&#xFF09;&#xFF1A;</p>
<ul>
<li><code>integer</code> - &#x975E;&#x6D6E;&#x70B9;&#x6570;</li>
<li><code>number</code> - &#x6D6E;&#x70B9;&#x6570;</li>
<li><code>string</code> - &#x5B57;&#x7B26;&#x4E32;</li>
<li><code>boolean</code> - ture &#x6216; false</li>
<li><code>date</code> - &#x81EA;&#x6B64;&#x65F6;&#x95F4;&#x6233;&#x4EE5;&#x6765;&#x7684;&#x65F6;&#x95F4;&#x5DEE;&#x5F02;&#x5448;&#x73B0;</li>
</ul>
<p>&#x5982;&#x679C; CustomResource &#x4E2D;&#x7684;&#x503C;&#x4E0E;&#x4E3A;&#x5217;&#x6307;&#x5B9A;&#x7684;&#x7C7B;&#x578B;&#x4E0D;&#x5339;&#x914D;&#xFF0C;&#x5219;&#x7701;&#x7565;&#x8BE5;&#x503C;&#x3002;&#x4F7F;&#x7528; CustomResource &#x9A8C;&#x8BC1;&#x4EE5;&#x786E;&#x4FDD;&#x503C;&#x7C7B;&#x578B;&#x6B63;&#x786E;&#x3002;</p>
<h4 id="format&#xFF08;&#x683C;&#x5F0F;&#xFF09;">Format&#xFF08;&#x683C;&#x5F0F;&#xFF09;</h4>
<p>&#x5217;&#x4E2D;&#x7684; <code>format</code> &#x5B57;&#x6BB5;&#x53EF;&#x4EE5;&#x662F;&#x4EE5;&#x4E0B;&#x4EFB;&#x4F55;&#x4E00;&#x4E2A;&#xFF1A;</p>
<ul>
<li><code>int32</code></li>
<li><code>int64</code></li>
<li><code>float</code></li>
<li><code>double</code></li>
<li><code>byte</code></li>
<li><code>date</code></li>
<li><code>date-time</code></li>
<li><code>password</code></li>
</ul>
<p>&#x8BE5;&#x5217; <code>format</code> &#x63A7;&#x5236; <code>kubectl</code> &#x6253;&#x5370;&#x503C;&#x65F6;&#x4F7F;&#x7528;&#x7684;&#x6837;&#x5F0F;&#x3002;</p>
<h3 id="&#x5B50;&#x8D44;&#x6E90;">&#x5B50;&#x8D44;&#x6E90;</h3>
<p><strong>&#x529F;&#x80FD;&#x72B6;&#x6001;&#xFF1A;</strong> <code>Kubernetes v1.12</code> <a href="https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/#" target="_blank">beta</a></p>
<p>&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x652F;&#x6301; <code>/status</code> &#x548C; <code>/scale</code> &#x5B50;&#x8D44;&#x6E90;&#x3002;</p>
<p>&#x60A8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528; <a href="https://kubernetes.io/docs/admin/kube-apiserver" target="_blank">kube-apiserver</a> <code>CustomResourceSubresources</code> &#x4E0A;&#x7684;&#x529F;&#x80FD;&#x95E8;&#xFF08;feature gate&#xFF09;&#x7981;&#x7528;&#x6B64;&#x529F;&#x80FD;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">--feature-gates<span class="token operator">=</span>CustomResourceSubresources<span class="token operator">=</span>false
</code></pre>
<p>&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x5728; CustomResourceDefinition &#x4E2D;&#x5B9A;&#x4E49;&#x5B83;&#x4EEC;&#x6765;&#x9009;&#x62E9;&#x6027;&#x5730;&#x542F;&#x7528; status &#x548C; scale &#x5B50;&#x8D44;&#x6E90;&#x3002;</p>
<h4 id="&#x72B6;&#x6001;&#x5B50;&#x8D44;&#x6E90;">&#x72B6;&#x6001;&#x5B50;&#x8D44;&#x6E90;</h4>
<p>&#x542F;&#x7528;&#x72B6;&#x6001;&#x5B50;&#x8D44;&#x6E90;&#x540E;&#xFF0C;&#x5C06;&#x516C;&#x5F00;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x7684;&#x5B50;&#x8D44;&#x6E90; <code>/status</code>&#x3002;</p>
<ul>
<li>&#x72B6;&#x6001;&#x548C;&#x89C4;&#x8303;&#x8282;&#x5206;&#x522B;&#x7531;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x5185;&#x7684; JSONPath <code>.status</code> &#x548C; <code>.spec</code>JSONPath &#x8868;&#x793A;&#x3002;</li>
<li><code>PUT``/status</code> &#x5BF9;&#x5B50;&#x8D44;&#x6E90;&#x7684;&#x8BF7;&#x6C42;&#x91C7;&#x7528;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x5BF9;&#x8C61;&#xFF0C;&#x5E76;&#x5FFD;&#x7565;&#x9664;&#x72B6;&#x6001;&#x8282;&#x4E4B;&#x5916;&#x7684;&#x4EFB;&#x4F55;&#x66F4;&#x6539;&#x3002;</li>
<li><code>PUT``/status</code> &#x5BF9;&#x5B50;&#x8D44;&#x6E90;&#x7684;&#x8BF7;&#x6C42;&#x4EC5;&#x9A8C;&#x8BC1;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x7684;&#x72B6;&#x6001;&#x8282;&#x3002;</li>
<li><code>PUT</code>/ <code>POST</code>/ <code>PATCH</code> &#x8BF7;&#x6C42;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x5FFD;&#x7565;&#x66F4;&#x6539;&#x72B6;&#x6001;&#x8282;&#x3002;</li>
<li>&#x5BF9; spec &#x8282;&#x7684;&#x4EFB;&#x4F55;&#x66F4;&#x6539;&#x90FD;&#x4F1A;&#x589E;&#x52A0; <code>.metadata.generation</code> &#x7684;&#x503C;&#x3002;</li>
<li>&#x5728; CRD OpenAPI &#x9A8C;&#x8BC1;&#x6A21;&#x5F0F;&#x7684;&#x6839;&#x76EE;&#x5F55;&#x4E2D;&#x53EA;&#x5141;&#x8BB8;&#x4EE5;&#x4E0B;&#x6784;&#x9020;&#xFF1A;</li>
<li><ul>
<li>Description</li>
<li>Example</li>
<li>ExclusiveMaximum</li>
<li>ExclusiveMinimum</li>
<li>ExternalDocs</li>
<li>Format</li>
<li>Items</li>
<li>Maximum</li>
<li>MaxItems</li>
<li>MaxLength</li>
<li>Minimum</li>
<li>MinItems</li>
<li>MinLength</li>
<li>MultipleOf</li>
<li>Pattern</li>
<li>Properties</li>
<li>Required</li>
<li>Title</li>
<li>Type</li>
<li>UniqueItems</li>
</ul>
</li>
</ul>
<h4 id="&#x6269;&#x5C55;&#x5B50;&#x8D44;&#x6E90;">&#x6269;&#x5C55;&#x5B50;&#x8D44;&#x6E90;</h4>
<p>&#x542F;&#x7528; scale &#x5B50;&#x8D44;&#x6E90;&#x540E;&#xFF0C;&#x5C06;&#x516C;&#x5F00;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x7684;&#x5B50;&#x8D44;&#x6E90; <code>/scale</code>&#x3002;&#x8BE5; <code>autoscaling/v1.Scale</code> &#x5BF9;&#x8C61;&#x4F5C;&#x4E3A;&#x6709;&#x6548;&#x8D1F;&#x8F7D;&#x53D1;&#x9001; <code>/scale</code>&#x3002;</p>
<p>&#x8981;&#x542F;&#x7528; scale &#x5B50;&#x8D44;&#x6E90;&#xFF0C;CustomResourceDefinition &#x4E2D;&#x9700;&#x8981;&#x5B9A;&#x4E49;&#x4EE5;&#x4E0B;&#x503C;&#x3002;</p>
<ul>
<li><code>SpecReplicasPath</code> &#x5728;&#x4E0E;&#x4E4B;&#x5BF9;&#x5E94;&#x7684;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x4E2D;&#x5B9A;&#x4E49; JSONPath <code>Scale.Spec.Replicas</code>&#x3002;<ul>
<li>&#x8FD9;&#x662F;&#x4E00;&#x4E2A;&#x5FC5;&#x9700;&#x7684;&#x503C;&#x3002;</li>
<li><code>.spec</code> &#x53EA;&#x5141;&#x8BB8;&#x4F7F;&#x7528;&#x5E26;&#x70B9;&#x7B26;&#x53F7;&#x7684; JSONPaths &#x3002;</li>
<li>&#x5982;&#x679C; <code>SpecReplicasPath</code> &#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x4E2D;&#x6CA1;&#x6709;&#x503C;&#xFF0C;&#x5219; <code>/scale</code> &#x5B50;&#x8D44;&#x6E90;&#x5C06;&#x5728;GET&#x4E0A;&#x8FD4;&#x56DE;&#x9519;&#x8BEF;&#x3002;</li>
</ul>
</li>
<li><code>StatusReplicasPath</code> &#x5728;&#x4E0E;&#x4E4B;&#x5BF9;&#x5E94;&#x7684;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x4E2D;&#x5B9A;&#x4E49; JSONPath <code>Scale.Status.Replicas</code>&#x3002;<ul>
<li>&#x8FD9;&#x662F;&#x4E00;&#x4E2A;&#x5FC5;&#x9700;&#x7684;&#x503C;&#x3002;</li>
<li><code>.stutus</code> &#x53EA;&#x5141;&#x8BB8;&#x4F7F;&#x7528;&#x5E26;&#x70B9;&#x7B26;&#x53F7;&#x7684; JSONPaths &#x3002;</li>
<li>&#x5982;&#x679C; <code>StatusReplicasPath</code> &#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x4E2D;&#x6CA1;&#x6709;&#x503C;&#xFF0C;&#x5219;&#x5B50;&#x8D44;&#x6E90; <code>/scale</code> &#x4E2D;&#x7684;&#x72B6;&#x6001;&#x526F;&#x672C;&#x503C;&#x5C06;&#x9ED8;&#x8BA4;&#x4E3A; 0&#x3002;</li>
</ul>
</li>
<li><code>LabelSelectorPath</code>&#x5728;&#x4E0E;&#x4E4B;&#x5BF9;&#x5E94;&#x7684;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x4E2D;&#x5B9A;&#x4E49; JSONPath <code>Scale.Status.Selector</code>&#x3002;<ul>
<li>&#x8FD9;&#x662F;&#x4E00;&#x4E2A;&#x53EF;&#x9009;&#x503C;&#x3002;</li>
<li>&#x5FC5;&#x987B;&#x5C06;&#x5176;&#x8BBE;&#x7F6E;&#x4E3A;&#x4E0E; HPA &#x4E00;&#x8D77;&#x4F7F;&#x7528;&#x3002;</li>
<li><code>.status</code> &#x53EA;&#x5141;&#x8BB8;&#x4F7F;&#x7528;&#x5E26;&#x70B9;&#x7B26;&#x53F7;&#x7684; JSONPaths &#x3002;</li>
<li>&#x5982;&#x679C; <code>LabelSelectorPath</code> &#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x4E2D;&#x6CA1;&#x6709;&#x503C;&#xFF0C;&#x5219;&#x5B50;&#x8D44;&#x6E90; <code>/scale</code> &#x4E2D;&#x7684;&#x72B6;&#x6001;&#x9009;&#x62E9;&#x5668;&#x503C;&#x5C06;&#x9ED8;&#x8BA4;&#x4E3A;&#x7A7A;&#x5B57;&#x7B26;&#x4E32;&#x3002;</li>
</ul>
</li>
</ul>
<p>&#x5728;&#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x4E2D;&#xFF0C;&#x542F;&#x7528;&#x4E86;status &#x548C; scale &#x5B50;&#x8D44;&#x6E90;&#x3002;</p>
<p>&#x5C06; CustomResourceDefinition &#x4FDD;&#x5B58;&#x5230;<code>resourcedefinition.yaml</code>&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> apiextensions.k8s.io/v1beta1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CustomResourceDefinition
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> crontabs.stable.example.com
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">group</span><span class="token punctuation">:</span> stable.example.com
<span class="token key atrule">versions</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> v1
<span class="token key atrule">served</span><span class="token punctuation">:</span> <span class="token boolean important">true</span>
<span class="token key atrule">storage</span><span class="token punctuation">:</span> <span class="token boolean important">true</span>
<span class="token key atrule">scope</span><span class="token punctuation">:</span> Namespaced
<span class="token key atrule">names</span><span class="token punctuation">:</span>
<span class="token key atrule">plural</span><span class="token punctuation">:</span> crontabs
<span class="token key atrule">singular</span><span class="token punctuation">:</span> crontab
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">shortNames</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> ct
<span class="token comment"># subresources describes the subresources for custom resources.</span>
<span class="token key atrule">subresources</span><span class="token punctuation">:</span>
<span class="token comment"># status enables the status subresource.</span>
<span class="token key atrule">status</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token comment"># scale enables the scale subresource.</span>
<span class="token key atrule">scale</span><span class="token punctuation">:</span>
<span class="token comment"># specReplicasPath defines the JSONPath inside of a custom resource that corresponds to Scale.Spec.Replicas.</span>
<span class="token key atrule">specReplicasPath</span><span class="token punctuation">:</span> .spec.replicas
<span class="token comment"># statusReplicasPath defines the JSONPath inside of a custom resource that corresponds to Scale.Status.Replicas.</span>
<span class="token key atrule">statusReplicasPath</span><span class="token punctuation">:</span> .status.replicas
<span class="token comment"># labelSelectorPath defines the JSONPath inside of a custom resource that corresponds to Scale.Status.Selector.</span>
<span class="token key atrule">labelSelectorPath</span><span class="token punctuation">:</span> .status.labelSelector
</code></pre>
<p>&#x5E76;&#x521B;&#x5EFA;&#x5B83;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl create -f resourcedefinition.yaml
</code></pre>
<p>&#x521B;&#x5EFA; CustomResourceDefinition &#x5BF9;&#x8C61;&#x540E;&#xFF0C;&#x60A8;&#x53EF;&#x4EE5;&#x521B;&#x5EFA;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x3002;</p>
<p>&#x5982;&#x679C;&#x60A8;&#x5C06;&#x4EE5;&#x4E0B; YAML &#x4FDD;&#x5B58;&#x5230; <code>my-crontab.yaml</code>&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> <span class="token string">&quot;stable.example.com/v1&quot;</span>
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>new<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>object
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">cronSpec</span><span class="token punctuation">:</span> <span class="token string">&quot;* * * * */5&quot;</span>
<span class="token key atrule">image</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>awesome<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>image
<span class="token key atrule">replicas</span><span class="token punctuation">:</span> <span class="token number">3</span>
</code></pre>
<p>&#x5E76;&#x521B;&#x5EFA;&#x5B83;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl create -f my-crontab.yaml
</code></pre>
<p>&#x7136;&#x540E;&#x5728;&#x4EE5;&#x4E0B;&#x4F4D;&#x7F6E;&#x521B;&#x5EFA;&#x65B0;&#x7684;&#x547D;&#x540D;&#x7A7A;&#x95F4; RESTful API &#x7AEF;&#x70B9;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">/apis/stable.example.com/v1/namespaces/*/crontabs/status
</code></pre>
<p>&#x548C;</p>
<pre class="language-"><code class="lang-bash">/apis/stable.example.com/v1/namespaces/*/crontabs/scale
</code></pre>
<p>&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x8BE5; <code>kubectl scale</code> &#x547D;&#x4EE4;&#x7F29;&#x653E;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x4EE5;&#x4E0A;&#x521B;&#x5EFA;&#x7684;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x7684;&#x7684; <code>.spec.replicas</code> &#x8BBE;&#x7F6E;&#x4E3A; 5&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl scale --replicas<span class="token operator">=</span><span class="token number">5</span> crontabs/my-new-cron-object
crontabs <span class="token string">&quot;my-new-cron-object&quot;</span> scaled
kubectl get crontabs my-new-cron-object -o <span class="token assign-left variable">jsonpath</span><span class="token operator">=</span><span class="token string">&apos;{.spec.replicas}&apos;</span>
<span class="token number">5</span>
</code></pre>
<h3 id="category&#xFF08;&#x5206;&#x7C7B;&#xFF09;">Category&#xFF08;&#x5206;&#x7C7B;&#xFF09;</h3>
<p>&#x7C7B;&#x522B;&#x662F;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x6240;&#x5C5E;&#x7684;&#x5206;&#x7EC4;&#x8D44;&#x6E90;&#x7684;&#x5217;&#x8868;&#xFF08;&#x4F8B;&#x5982; <code>all</code>&#xFF09;&#x3002;&#x60A8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528; <code>kubectl get <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>category-name</span><span class="token punctuation">&gt;</span></span></code> &#x5217;&#x51FA;&#x5C5E;&#x4E8E;&#x8BE5;&#x7C7B;&#x522B;&#x7684;&#x8D44;&#x6E90;&#x3002;&#x6B64;&#x529F;&#x80FD;&#x662F; <strong>beta</strong>&#xFF0C;&#x53EF;&#x7528;&#x4E8E; v1.10 &#x4E2D;&#x7684;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x3002;</p>
<p>&#x4EE5;&#x4E0B;&#x793A;&#x4F8B;&#x6DFB;&#x52A0; <code>all</code> CustomResourceDefinition &#x4E2D;&#x7684;&#x7C7B;&#x522B;&#x5217;&#x8868;&#xFF0C;&#x5E76;&#x8BF4;&#x660E;&#x5982;&#x4F55;&#x4F7F;&#x7528; <code>kubectl get all</code> &#x8F93;&#x51FA;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90; &#x3002;</p>
<p>&#x5C06;&#x4EE5;&#x4E0B; CustomResourceDefinition &#x4FDD;&#x5B58;&#x5230; <code>resourcedefinition.yaml</code>&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> apiextensions.k8s.io/v1beta1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CustomResourceDefinition
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> crontabs.stable.example.com
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">group</span><span class="token punctuation">:</span> stable.example.com
<span class="token key atrule">versions</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> v1
<span class="token key atrule">served</span><span class="token punctuation">:</span> <span class="token boolean important">true</span>
<span class="token key atrule">storage</span><span class="token punctuation">:</span> <span class="token boolean important">true</span>
<span class="token key atrule">scope</span><span class="token punctuation">:</span> Namespaced
<span class="token key atrule">names</span><span class="token punctuation">:</span>
<span class="token key atrule">plural</span><span class="token punctuation">:</span> crontabs
<span class="token key atrule">singular</span><span class="token punctuation">:</span> crontab
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">shortNames</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> ct
<span class="token comment"># categories is a list of grouped resources the custom resource belongs to.</span>
<span class="token key atrule">categories</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> all
</code></pre>
<p>&#x5E76;&#x521B;&#x5EFA;&#x5B83;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl create -f resourcedefinition.yaml
</code></pre>
<p>&#x521B;&#x5EFA; CustomResourceDefinition &#x5BF9;&#x8C61;&#x540E;&#xFF0C;&#x60A8;&#x53EF;&#x4EE5;&#x521B;&#x5EFA;&#x81EA;&#x5B9A;&#x4E49;&#x5BF9;&#x8C61;&#x3002;</p>
<p>&#x5C06;&#x4EE5;&#x4E0B; YAML &#x4FDD;&#x5B58;&#x5230; <code>my-crontab.yaml</code>&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> <span class="token string">&quot;stable.example.com/v1&quot;</span>
<span class="token key atrule">kind</span><span class="token punctuation">:</span> CronTab
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>new<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>object
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">cronSpec</span><span class="token punctuation">:</span> <span class="token string">&quot;* * * * */5&quot;</span>
<span class="token key atrule">image</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>awesome<span class="token punctuation">-</span>cron<span class="token punctuation">-</span>image
</code></pre>
<p>&#x5E76;&#x521B;&#x5EFA;&#x5B83;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl create -f my-crontab.yaml
</code></pre>
<p>&#x60A8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;<code>kubectl get</code>&#x4EE5;&#x4E0B;&#x65B9;&#x5F0F;&#x6307;&#x5B9A;&#x7C7B;&#x522B;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">kubectl get all
</code></pre>
<p>&#x5B83;&#x5C06;&#x5305;&#x62EC;&#x79CD;&#x7C7B;&#x7684;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;<code>CronTab</code>&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">NAME AGE
crontabs/my-new-cron-object 3s
</code></pre>
<h2 id="&#x53C2;&#x8003;">&#x53C2;&#x8003;</h2>
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<li><a href="https://kubernetes.io/docs/tasks/access-kubernetes-api/custom-resources/custom-resource-definitions/" target="_blank">Extend the Kubernetes API with CustomResourceDefinitions - kubernetes.io</a></li>
<li><a href="https://www.servicemesher.com/blog/kubernetes-crd-quick-start/" target="_blank">&#x5982;&#x4F55;&#x4ECE;&#x96F6;&#x5F00;&#x59CB;&#x7F16;&#x5199;&#x4E00;&#x4E2A;Kubernetes CRD - servicemesher.com</a></li>
</ul>
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