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<title>使用 kubebuilder 创建 operator 示例 · Kubernetes 中文指南——云原生应用架构实践手册</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="../">
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<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>
云原生的定义
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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>
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<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 到云原生
</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>
云原生平台配置语言
</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>
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>
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="../concepts/">
<a href="../concepts/">
<b>4.1.</b>
Kubernetes 架构
</a>
<ul class="articles">
<li class="chapter " data-level="4.1.1" data-path="../concepts/concepts.html">
<a href="../concepts/concepts.html">
<b>4.1.1.</b>
Kubernetes 的设计理念
</a>
</li>
<li class="chapter " data-level="4.1.2" data-path="../concepts/etcd.html">
<a href="../concepts/etcd.html">
<b>4.1.2.</b>
Etcd 解析
</a>
</li>
<li class="chapter " data-level="4.1.3" data-path="../concepts/open-interfaces.html">
<a href="../concepts/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="../concepts/cri.html">
<a href="../concepts/cri.html">
<b>4.1.3.1.</b>
容器运行时接口CRI
</a>
</li>
<li class="chapter " data-level="4.1.3.2" data-path="../concepts/cni.html">
<a href="../concepts/cni.html">
<b>4.1.3.2.</b>
容器网络接口CNI
</a>
</li>
<li class="chapter " data-level="4.1.3.3" data-path="../concepts/csi.html">
<a href="../concepts/csi.html">
<b>4.1.3.3.</b>
容器存储接口CSI
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.1.4" data-path="../concepts/objects.html">
<a href="../concepts/objects.html">
<b>4.1.4.</b>
Kubernetes 中的资源对象
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.2" data-path="../concepts/pod-state-and-lifecycle.html">
<a href="../concepts/pod-state-and-lifecycle.html">
<b>4.2.</b>
Pod 状态与生命周期管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.2.1" data-path="../concepts/pod-overview.html">
<a href="../concepts/pod-overview.html">
<b>4.2.1.</b>
Pod 概览
</a>
</li>
<li class="chapter " data-level="4.2.2" data-path="../concepts/pod.html">
<a href="../concepts/pod.html">
<b>4.2.2.</b>
Pod 解析
</a>
</li>
<li class="chapter " data-level="4.2.3" data-path="../concepts/init-containers.html">
<a href="../concepts/init-containers.html">
<b>4.2.3.</b>
Init 容器
</a>
</li>
<li class="chapter " data-level="4.2.4" data-path="../concepts/pause-container.html">
<a href="../concepts/pause-container.html">
<b>4.2.4.</b>
Pause 容器
</a>
</li>
<li class="chapter " data-level="4.2.5" data-path="../concepts/pod-security-policy.html">
<a href="../concepts/pod-security-policy.html">
<b>4.2.5.</b>
Pod 安全策略
</a>
</li>
<li class="chapter " data-level="4.2.6" data-path="../concepts/pod-lifecycle.html">
<a href="../concepts/pod-lifecycle.html">
<b>4.2.6.</b>
Pod 的生命周期
</a>
</li>
<li class="chapter " data-level="4.2.7" data-path="../concepts/pod-hook.html">
<a href="../concepts/pod-hook.html">
<b>4.2.7.</b>
Pod Hook
</a>
</li>
<li class="chapter " data-level="4.2.8" data-path="../concepts/pod-preset.html">
<a href="../concepts/pod-preset.html">
<b>4.2.8.</b>
Pod Preset
</a>
</li>
<li class="chapter " data-level="4.2.9" data-path="../concepts/pod-disruption-budget.html">
<a href="../concepts/pod-disruption-budget.html">
<b>4.2.9.</b>
Pod 中断与 PDBPod 中断预算)
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.3" data-path="../concepts/cluster.html">
<a href="../concepts/cluster.html">
<b>4.3.</b>
集群资源管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.3.1" data-path="../concepts/node.html">
<a href="../concepts/node.html">
<b>4.3.1.</b>
Node
</a>
</li>
<li class="chapter " data-level="4.3.2" data-path="../concepts/namespace.html">
<a href="../concepts/namespace.html">
<b>4.3.2.</b>
Namespace
</a>
</li>
<li class="chapter " data-level="4.3.3" data-path="../concepts/label.html">
<a href="../concepts/label.html">
<b>4.3.3.</b>
Label
</a>
</li>
<li class="chapter " data-level="4.3.4" data-path="../concepts/annotation.html">
<a href="../concepts/annotation.html">
<b>4.3.4.</b>
Annotation
</a>
</li>
<li class="chapter " data-level="4.3.5" data-path="../concepts/taint-and-toleration.html">
<a href="../concepts/taint-and-toleration.html">
<b>4.3.5.</b>
Taint 和 Toleration污点和容忍
</a>
</li>
<li class="chapter " data-level="4.3.6" data-path="../concepts/garbage-collection.html">
<a href="../concepts/garbage-collection.html">
<b>4.3.6.</b>
垃圾收集
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.4" data-path="../concepts/controllers.html">
<a href="../concepts/controllers.html">
<b>4.4.</b>
控制器
</a>
<ul class="articles">
<li class="chapter " data-level="4.4.1" data-path="../concepts/deployment.html">
<a href="../concepts/deployment.html">
<b>4.4.1.</b>
Deployment
</a>
</li>
<li class="chapter " data-level="4.4.2" data-path="../concepts/statefulset.html">
<a href="../concepts/statefulset.html">
<b>4.4.2.</b>
StatefulSet
</a>
</li>
<li class="chapter " data-level="4.4.3" data-path="../concepts/daemonset.html">
<a href="../concepts/daemonset.html">
<b>4.4.3.</b>
DaemonSet
</a>
</li>
<li class="chapter " data-level="4.4.4" data-path="../concepts/replicaset.html">
<a href="../concepts/replicaset.html">
<b>4.4.4.</b>
ReplicationController 和 ReplicaSet
</a>
</li>
<li class="chapter " data-level="4.4.5" data-path="../concepts/job.html">
<a href="../concepts/job.html">
<b>4.4.5.</b>
Job
</a>
</li>
<li class="chapter " data-level="4.4.6" data-path="../concepts/cronjob.html">
<a href="../concepts/cronjob.html">
<b>4.4.6.</b>
CronJob
</a>
</li>
<li class="chapter " data-level="4.4.7" data-path="../concepts/horizontal-pod-autoscaling.html">
<a href="../concepts/horizontal-pod-autoscaling.html">
<b>4.4.7.</b>
Horizontal Pod Autoscaling
</a>
<ul class="articles">
<li class="chapter " data-level="4.4.7.1" data-path="../concepts/custom-metrics-hpa.html">
<a href="../concepts/custom-metrics-hpa.html">
<b>4.4.7.1.</b>
自定义指标 HPA
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.4.8" data-path="../concepts/admission-controller.html">
<a href="../concepts/admission-controller.html">
<b>4.4.8.</b>
准入控制器Admission Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.5" data-path="../concepts/service-discovery.html">
<a href="../concepts/service-discovery.html">
<b>4.5.</b>
服务发现与路由
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.1" data-path="../concepts/service.html">
<a href="../concepts/service.html">
<b>4.5.1.</b>
Service
</a>
</li>
<li class="chapter " data-level="4.5.2" data-path="../concepts/topology-aware-routing.html">
<a href="../concepts/topology-aware-routing.html">
<b>4.5.2.</b>
拓扑感知路由
</a>
</li>
<li class="chapter " data-level="4.5.3" data-path="../concepts/ingress.html">
<a href="../concepts/ingress.html">
<b>4.5.3.</b>
Ingress
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.3.1" data-path="../concepts/traefik-ingress-controller.html">
<a href="../concepts/traefik-ingress-controller.html">
<b>4.5.3.1.</b>
Traefik Ingress Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.5.4" data-path="../concepts/gateway.html">
<a href="../concepts/gateway.html">
<b>4.5.4.</b>
Gateway
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.6" data-path="../concepts/authentication-and-permission.html">
<a href="../concepts/authentication-and-permission.html">
<b>4.6.</b>
身份与权限控制
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.1" data-path="../concepts/serviceaccount.html">
<a href="../concepts/serviceaccount.html">
<b>4.6.1.</b>
ServiceAccount
</a>
</li>
<li class="chapter " data-level="4.6.2" data-path="../concepts/rbac.html">
<a href="../concepts/rbac.html">
<b>4.6.2.</b>
基于角色的访问控制RBAC
</a>
</li>
<li class="chapter " data-level="4.6.3" data-path="../concepts/network-policy.html">
<a href="../concepts/network-policy.html">
<b>4.6.3.</b>
NetworkPolicy
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.7" data-path="../concepts/networking.html">
<a href="../concepts/networking.html">
<b>4.7.</b>
网络
</a>
<ul class="articles">
<li class="chapter " data-level="4.7.1" data-path="../concepts/flannel.html">
<a href="../concepts/flannel.html">
<b>4.7.1.</b>
扁平网络 Flannel
</a>
</li>
<li class="chapter " data-level="4.7.2" data-path="../concepts/calico.html">
<a href="../concepts/calico.html">
<b>4.7.2.</b>
非 Overlay 扁平网络 Calico
</a>
</li>
<li class="chapter " data-level="4.7.3" data-path="../concepts/cilium.html">
<a href="../concepts/cilium.html">
<b>4.7.3.</b>
基于 eBPF 的网络 Cilium
</a>
<ul class="articles">
<li class="chapter " data-level="4.7.3.1" data-path="../concepts/cilium-concepts.html">
<a href="../concepts/cilium-concepts.html">
<b>4.7.3.1.</b>
Cilium 架构设计与概念解析
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="4.8" data-path="../concepts/storage.html">
<a href="../concepts/storage.html">
<b>4.8.</b>
存储
</a>
<ul class="articles">
<li class="chapter " data-level="4.8.1" data-path="../concepts/secret.html">
<a href="../concepts/secret.html">
<b>4.8.1.</b>
Secret
</a>
</li>
<li class="chapter " data-level="4.8.2" data-path="../concepts/configmap.html">
<a href="../concepts/configmap.html">
<b>4.8.2.</b>
ConfigMap
</a>
<ul class="articles">
<li class="chapter " data-level="4.8.2.1" data-path="../concepts/configmap-hot-update.html">
<a href="../concepts/configmap-hot-update.html">
<b>4.8.2.1.</b>
ConfigMap 的热更新
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.8.3" data-path="../concepts/volume.html">
<a href="../concepts/volume.html">
<b>4.8.3.</b>
Volume
</a>
</li>
<li class="chapter " data-level="4.8.4" data-path="../concepts/persistent-volume.html">
<a href="../concepts/persistent-volume.html">
<b>4.8.4.</b>
持久化卷Persistent Volume
</a>
</li>
<li class="chapter " data-level="4.8.5" data-path="../concepts/storageclass.html">
<a href="../concepts/storageclass.html">
<b>4.8.5.</b>
Storage Class
</a>
</li>
<li class="chapter " data-level="4.8.6" data-path="../concepts/local-persistent-storage.html">
<a href="../concepts/local-persistent-storage.html">
<b>4.8.6.</b>
本地持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.9" data-path="../concepts/extension.html">
<a href="../concepts/extension.html">
<b>4.9.</b>
集群扩展
</a>
<ul class="articles">
<li class="chapter " data-level="4.9.1" data-path="../concepts/custom-resource.html">
<a href="../concepts/custom-resource.html">
<b>4.9.1.</b>
使用自定义资源扩展 API
</a>
</li>
<li class="chapter " data-level="4.9.2" data-path="../concepts/crd.html">
<a href="../concepts/crd.html">
<b>4.9.2.</b>
使用 CRD 扩展 Kubernetes API
</a>
</li>
<li class="chapter " data-level="4.9.3" data-path="../concepts/aggregated-api-server.html">
<a href="../concepts/aggregated-api-server.html">
<b>4.9.3.</b>
Aggregated API Server
</a>
</li>
<li class="chapter " data-level="4.9.4" data-path="../concepts/apiservice.html">
<a href="../concepts/apiservice.html">
<b>4.9.4.</b>
APIService
</a>
</li>
<li class="chapter " data-level="4.9.5" data-path="../concepts/service-catalog.html">
<a href="../concepts/service-catalog.html">
<b>4.9.5.</b>
服务目录Service Catalog
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.10" data-path="../concepts/multicluster.html">
<a href="../concepts/multicluster.html">
<b>4.10.</b>
多集群管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.10.1" data-path="../concepts/multi-cluster-services-api.html">
<a href="../concepts/multi-cluster-services-api.html">
<b>4.10.1.</b>
多集群服务 APIMulti-Cluster Services API
</a>
</li>
<li class="chapter " data-level="4.10.2" data-path="../practice/federation.html">
<a href="../practice/federation.html">
<b>4.10.2.</b>
集群联邦Cluster Federation
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.11" data-path="../concepts/scheduling.html">
<a href="../concepts/scheduling.html">
<b>4.11.</b>
资源调度
</a>
<ul class="articles">
<li class="chapter " data-level="4.11.1" data-path="../concepts/qos.html">
<a href="../concepts/qos.html">
<b>4.11.1.</b>
服务质量等级QoS
</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/kubernetes-desktop-client.html">
<a href="../guide/kubernetes-desktop-client.html">
<b>5.5.6.</b>
Lens - Kubernetes IDE
</a>
</li>
<li class="chapter " data-level="5.5.7" data-path="../guide/kubernator-kubernetes-ui.html">
<a href="../guide/kubernator-kubernetes-ui.html">
<b>5.5.7.</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>
</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>
</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CI/CD
</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>
开放策略代理OPA
</a>
</li>
<li class="chapter " data-level="6.13.2" data-path="../practice/cloud-native-security.html">
<a href="../practice/cloud-native-security.html">
<b>6.13.2.</b>
云原生安全
</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/sidecar-spec-in-istio.html">
<a href="../usecases/sidecar-spec-in-istio.html">
<b>7.3.2.</b>
Istio 中 sidecar 的注入规范及示例
</a>
</li>
<li class="chapter " data-level="7.3.3" data-path="../usecases/istio-community-tips.html">
<a href="../usecases/istio-community-tips.html">
<b>7.3.3.</b>
如何参与 Istio 社区及注意事项
</a>
</li>
<li class="chapter " data-level="7.3.4" data-path="../usecases/istio-tutorials-collection.html">
<a href="../usecases/istio-tutorials-collection.html">
<b>7.3.4.</b>
Istio 免费学习资源汇总
</a>
</li>
<li class="chapter " data-level="7.3.5" data-path="../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html">
<a href="../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html">
<b>7.3.5.</b>
Sidecar 的注入与流量劫持
</a>
</li>
<li class="chapter " data-level="7.3.6" data-path="../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html">
<a href="../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html">
<b>7.3.6.</b>
Envoy Sidecar 代理的路由转发
</a>
</li>
<li class="chapter " data-level="7.3.7" data-path="../usecases/how-to-integrate-istio-with-vm.html">
<a href="../usecases/how-to-integrate-istio-with-vm.html">
<b>7.3.7.</b>
Istio 如何支持虚拟机
</a>
</li>
<li class="chapter " data-level="7.3.8" data-path="../usecases/istio-vm-support.html">
<a href="../usecases/istio-vm-support.html">
<b>7.3.8.</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-on-kubernetes.html">
<a href="../usecases/spark-on-kubernetes.html">
<b>8.3.1.</b>
Spark 与 Kubernetes
</a>
<ul class="articles">
<li class="chapter " data-level="8.3.1.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
<a href="../usecases/spark-standalone-on-kubernetes.html">
<b>8.3.1.1.</b>
Spark standalone on Kubernetes
</a>
</li>
<li class="chapter " data-level="8.3.1.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<b>8.3.1.2.</b>
运行支持 Kubernetes 原生调度的 Spark 程序
</a>
</li>
</ul>
</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="./">
<a href="./">
<b>9.1.</b>
开发指南概览
</a>
</li>
<li class="chapter " data-level="9.2" data-path="sigs-and-working-group.html">
<a href="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="developing-environment.html">
<a href="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="using-vagrant-and-virtualbox-for-development.html">
<a href="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="testing.html">
<a href="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="client-go-sample.html">
<a href="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="client-go-informer-sourcecode-analyse.html">
<a href="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="operator.html">
<a href="operator.html">
<b>9.6.</b>
Operator
</a>
<ul class="articles">
<li class="chapter " data-level="9.6.1" data-path="operator-sdk.html">
<a href="operator-sdk.html">
<b>9.6.1.</b>
operator-sdk
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.7" data-path="kubebuilder.html">
<a href="kubebuilder.html">
<b>9.7.</b>
kubebuilder
</a>
<ul class="articles">
<li class="chapter active" data-level="9.7.1" data-path="kubebuilder-example.html">
<a href="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="advance-developer.html">
<a href="advance-developer.html">
<b>9.8.</b>
高级开发指南
</a>
</li>
<li class="chapter " data-level="9.9" data-path="contribute.html">
<a href="contribute.html">
<b>9.9.</b>
社区贡献
</a>
</li>
<li class="chapter " data-level="9.10" data-path="minikube.html">
<a href="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/certification.html">
<a href="../cloud-native/certification.html">
<b>10.2.</b>
认证及培训
</a>
<ul class="articles">
<li class="chapter " data-level="10.2.1" data-path="../appendix/about-kcsp.html">
<a href="../appendix/about-kcsp.html">
<b>10.2.1.</b>
认证 Kubernetes 服务提供商KCSP说明
</a>
</li>
<li class="chapter " data-level="10.2.2" data-path="../appendix/about-cka-candidate.html">
<a href="../appendix/about-cka-candidate.html">
<b>10.2.2.</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 参考资源
</a>
</li>
<li class="chapter " data-level="11.4" data-path="../appendix/tricks.html">
<a href="../appendix/tricks.html">
<b>11.4.</b>
Kubernetes 使用技巧
</a>
</li>
<li class="chapter " data-level="11.5" data-path="../appendix/issues.html">
<a href="../appendix/issues.html">
<b>11.5.</b>
Kubernetes 相关问题记录
</a>
</li>
<li class="chapter " data-level="11.6" data-path="../appendix/summary-and-outlook.html">
<a href="../appendix/summary-and-outlook.html">
<b>11.6.</b>
Kubernetes 及云原生年度总结及展望
</a>
<ul class="articles">
<li class="chapter " data-level="11.6.1" 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>11.6.1.</b>
Kubernetes 与云原生 2017 年年终总结及 2018 年展望
</a>
</li>
<li class="chapter " data-level="11.6.2" 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>11.6.2.</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="11.7" data-path="../appendix/cncf-annual-report.html">
<a href="../appendix/cncf-annual-report.html">
<b>11.7.</b>
CNCF 年度报告解读
</a>
<ul class="articles">
<li class="chapter " data-level="11.7.1" data-path="../appendix/cncf-annual-report-2018.html">
<a href="../appendix/cncf-annual-report-2018.html">
<b>11.7.1.</b>
CNCF 2018 年年度报告解读
</a>
</li>
<li class="chapter " data-level="11.7.2" data-path="../appendix/cncf-annual-report-2020.html">
<a href="../appendix/cncf-annual-report-2020.html">
<b>11.7.2.</b>
CNCF 2020 年年度报告解读
</a>
</li>
</ul>
</li>
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<a href=".." >使用 kubebuilder 创建 operator 示例</a>
</h1>
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<h1 id="&#x4F7F;&#x7528;-kubebuilder-&#x521B;&#x5EFA;-operator-&#x793A;&#x4F8B;">&#x4F7F;&#x7528; kubebuilder &#x521B;&#x5EFA; operator &#x793A;&#x4F8B;</h1>
<p>&#x672C;&#x6587;&#x4F5C;&#x4E3A; Kubebuilder &#x6559;&#x7A0B;&#xFF0C;&#x5C06;&#x6307;&#x5BFC;&#x60A8;&#x5982;&#x4F55;&#x4F7F;&#x7528; kubebuilder &#x521B;&#x5EFA;&#x4E00;&#x4E2A; Kubernetes Operator&#x3002;</p>
<h2 id="&#x51C6;&#x5907;">&#x51C6;&#x5907;</h2>
<p>&#x672C;&#x6587;&#x4E2D;&#x7684;&#x793A;&#x4F8B;&#x8FD0;&#x884C;&#x73AF;&#x5883;&#x53CA;&#x76F8;&#x5173;&#x8F6F;&#x4EF6;&#x7248;&#x672C;&#x5982;&#x4E0B;&#xFF1A;</p>
<ul>
<li>Kubernetes MiniKube v1.9.2</li>
<li>Kubernetes v1.18.0</li>
<li>Go 1.14</li>
<li>Kubebuilder 2.3.1</li>
<li>kustomize 3.6.1</li>
<li>Docker 19.03.8</li>
</ul>
<p>&#x4F7F;&#x7528; Minikube &#x5B89;&#x88C5; Kubernetes &#x96C6;&#x7FA4;&#xFF0C;Kubernetes &#x5B89;&#x88C5;&#x597D;&#x540E;&#xFF0C;&#x68C0;&#x67E5;&#x96C6;&#x7FA4;&#x662F;&#x5426;&#x53EF;&#x7528;&#x3002;</p>
<h3 id="minikube-&#x7684;-dns-&#x89E3;&#x6790;&#x95EE;&#x9898;">Minikube &#x7684; DNS &#x89E3;&#x6790;&#x95EE;&#x9898;</h3>
<p>&#x5982;&#x679C;&#x9047;&#x5230; Kubernetes &#x96C6;&#x7FA4;&#x65E0;&#x6CD5;&#x62C9;&#x53D6;&#x955C;&#x50CF;&#xFF0C;DNS &#x89E3;&#x6790;&#x51FA;&#x73B0;&#x95EE;&#x9898;&#xFF0C;&#x89E3;&#x51B3;&#x65B9;&#x5F0F;&#x89C1; <a href="https://github.com/kubernetes/minikube/issues/1674" target="_blank">DNS lookup not working when starting minikube with --dns-domain #1674</a>&#x3002;</p>
<p>&#x4F7F;&#x7528; <code>minikube ssh</code> &#x8FDB;&#x5165; minikube &#x4E3B;&#x673A;&#xFF0C;&#x4FEE;&#x6539; <code>/etc/systemd/resolved.conf</code> &#x6587;&#x4EF6;&#xFF0C;&#x5C06;&#x5176;&#x4E2D;&#x7684; DNS &#x914D;&#x7F6E;&#x5B57;&#x6BB5;&#x4FEE;&#x6539;&#x4E3A; <code>DNS=8.8.8.8</code>&#xFF0C;&#x7136;&#x540E;&#x6267;&#x884C; <code>sudo systemctl restart systemd-resolved</code> &#x5373;&#x53EF;&#x66F4;&#x6539; DNS&#xFF0C;&#x5207;&#x52FF;&#x76F4;&#x63A5;&#x4FEE;&#x6539; <code>/etc/resolv.conf</code> &#x6587;&#x4EF6;&#x3002;</p>
<p>&#x4FEE;&#x6B63; Minikube &#x7684; DNS &#x914D;&#x7F6E;&#xFF0C;&#x8BF7;&#x6267;&#x884C;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x3002;</p>
<pre class="language-"><code class="lang-bash">minikube <span class="token function">ssh</span>
<span class="token function">sudo</span> <span class="token function">sed</span> -i <span class="token string">&apos;s/#DNS=/DNS=8.8.8.8/g&apos;</span> /etc/systemd/resolved.conf
<span class="token function">sudo</span> systemctl restart systemd-resolved
</code></pre>
<h2 id="&#x540D;&#x8BCD;&#x89E3;&#x91CA;">&#x540D;&#x8BCD;&#x89E3;&#x91CA;</h2>
<p>&#x5728;&#x9605;&#x8BFB;&#x4E0B;&#x9762;&#x7684;&#x6587;&#x7AE0;&#x524D;&#xFF0C;&#x9700;&#x8981;&#x5148;&#x660E;&#x786E;&#x4EE5;&#x4E0B;&#x4E24;&#x4E2A;&#x540D;&#x8BCD;&#x7684;&#x542B;&#x4E49;&#x3002;</p>
<ul>
<li>CRD&#xFF1A;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x5B9A;&#x4E49;&#xFF0C;Kubernetes &#x4E2D;&#x7684;&#x8D44;&#x6E90;&#x7C7B;&#x578B;&#x3002;</li>
<li>CR&#xFF1A;Custom Resource&#xFF0C;&#x5BF9;&#x4F7F;&#x7528; CRD &#x521B;&#x5EFA;&#x51FA;&#x6765;&#x7684;&#x81EA;&#x5B9A;&#x4E49;&#x8D44;&#x6E90;&#x7684;&#x7EDF;&#x79F0;&#x3002;</li>
</ul>
<h2 id="&#x5B89;&#x88C5;-kubebuilder">&#x5B89;&#x88C5; kubebuilder</h2>
<p>&#x5230; kubebuilder &#x7684; <a href="https://github.com/kubernetes-sigs/kubebuilder/releases" target="_blank">GitHub release &#x9875;&#x9762;</a>&#x4E0A;&#x4E0B;&#x8F7D;&#x4E0E;&#x60A8;&#x64CD;&#x4F5C;&#x7CFB;&#x7EDF;&#x5BF9;&#x5E94;&#x7684; kubebuilder &#x5B89;&#x88C5;&#x5305;&#x3002;</p>
<p><strong>MacOS</strong></p>
<p>&#x5BF9;&#x4E8E; Mac &#x7CFB;&#x7EDF;&#xFF0C;&#x5C06;&#x4E0B;&#x8F7D;&#x597D;&#x7684;&#x5B89;&#x88C5;&#x5305;&#x89E3;&#x538B;&#x540E;&#x5C06;&#x5176;&#x79FB;&#x52A8;&#x5230; <code>/usr/local/kubebuilder</code> &#x76EE;&#x5F55;&#x4E0B;&#xFF0C;&#x5E76;&#x5C06; <code>/usr/local/kubebuilder/bin</code> &#x6DFB;&#x52A0;&#x5230;&#x60A8;&#x7684; <code>$PATH</code> &#x8DEF;&#x5F84;&#x4E0B;&#x3002;</p>
<h2 id="&#x521B;&#x5EFA;&#x9879;&#x76EE;">&#x521B;&#x5EFA;&#x9879;&#x76EE;</h2>
<p>&#x6211;&#x4EEC;&#x9996;&#x5148;&#x5C06;&#x4F7F;&#x7528;&#x81EA;&#x52A8;&#x914D;&#x7F6E;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x9879;&#x76EE;&#xFF0C;&#x8BE5;&#x9879;&#x76EE;&#x5728;&#x521B;&#x5EFA; CR &#x65F6;&#x4E0D;&#x4F1A;&#x89E6;&#x53D1;&#x4EFB;&#x4F55;&#x8D44;&#x6E90;&#x751F;&#x6210;&#x3002;</p>
<h3 id="&#x521D;&#x59CB;&#x5316;&#x548C;&#x521B;&#x5EFA;-api">&#x521D;&#x59CB;&#x5316;&#x548C;&#x521B;&#x5EFA; API</h3>
<p>&#x521B;&#x5EFA;&#x7684;&#x9879;&#x76EE;&#x8DEF;&#x5F84;&#x4F4D;&#x4E8E; <code>$GOPATH/jimmysong.io/kubebuilder-example</code>&#x3002;&#x4E0B;&#x6587;&#x4E2D;&#x7684;&#x64CD;&#x4F5C;&#x6CA1;&#x6709;&#x660E;&#x786E;&#x8BF4;&#x660E;&#x7684;&#x8BDD;&#x90FD;&#x662F;&#x5728;&#x8BE5;&#x9879;&#x76EE;&#x8DEF;&#x5F84;&#x4E0B;&#x8FD0;&#x884C;&#x3002;</p>
<p>&#x5728;&#x9879;&#x76EE;&#x8DEF;&#x5F84;&#x4E0B;&#x4F7F;&#x7528;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x521D;&#x59CB;&#x5316;&#x9879;&#x76EE;&#x3002;</p>
<pre class="language-"><code class="lang-bash">$ kubebuilder init --domain jimmysong.io
</code></pre>
<p>&#x5728;&#x9879;&#x76EE;&#x6839;&#x76EE;&#x5F55;&#x4E0B;&#x6267;&#x884C;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x521B;&#x5EFA; API&#x3002;</p>
<pre class="language-"><code class="lang-bash">$ kubebuilder create api --group webapp --version v1 --kind Guestbook
Create Resource under pkg/apis <span class="token punctuation">[</span>y/n<span class="token punctuation">]</span>?
y
Create Controller under pkg/controller <span class="token punctuation">[</span>y/n<span class="token punctuation">]</span>?
y
Writing scaffold <span class="token keyword">for</span> you to edit<span class="token punctuation">..</span>.
api/v1/guestbook_types.go
controllers/guestbook_controller.go
Running make:
$ <span class="token function">make</span>
/Users/jimmysong/Workspace/go/bin/controller-gen object:headerFile<span class="token operator">=</span><span class="token string">&quot;hack/boilerplate.go.txt&quot;</span> <span class="token assign-left variable">paths</span><span class="token operator">=</span><span class="token string">&quot;./...&quot;</span>
go <span class="token function">fmt</span> ./<span class="token punctuation">..</span>.
go vet ./<span class="token punctuation">..</span>.
go: finding github.com/onsi/ginkgo v1.11.0
go: finding github.com/onsi/gomega v1.8.1
go: finding github.com/hpcloud/tail v1.0.0
go: finding gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7
go build -o bin/manager main.go
</code></pre>
<p>API &#x521B;&#x5EFA;&#x5B8C;&#x6210;&#x540E;&#xFF0C;&#x5728;&#x9879;&#x76EE;&#x6839;&#x76EE;&#x5F55;&#x4E0B;&#x67E5;&#x770B;&#x76EE;&#x5F55;&#x7ED3;&#x6784;&#x3002;</p>
<pre class="language-"><code class="lang-bash"><span class="token builtin class-name">.</span>
&#x251C;&#x2500;&#x2500; Dockerfile <span class="token comment"># &#x7528;&#x4E8E;&#x6784;&#x5EFA; Operator &#x955C;&#x50CF;</span>
&#x251C;&#x2500;&#x2500; Makefile <span class="token comment"># &#x6784;&#x5EFA;&#x65F6;&#x4F7F;&#x7528;</span>
&#x251C;&#x2500;&#x2500; PROJECT <span class="token comment"># &#x9879;&#x76EE;&#x914D;&#x7F6E;</span>
&#x251C;&#x2500;&#x2500; api
&#x2502; &#x2514;&#x2500;&#x2500; v1
&#x2502; &#x251C;&#x2500;&#x2500; groupversion_info.go
&#x2502; &#x251C;&#x2500;&#x2500; guestbook_types.go
&#x2502; &#x2514;&#x2500;&#x2500; zz_generated.deepcopy.go
&#x251C;&#x2500;&#x2500; bin
&#x2502; &#x2514;&#x2500;&#x2500; manager
&#x251C;&#x2500;&#x2500; config
&#x2502; &#x251C;&#x2500;&#x2500; certmanager
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; certificate.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; kustomization.yaml
&#x2502; &#x2502; &#x2514;&#x2500;&#x2500; kustomizeconfig.yaml
&#x2502; &#x251C;&#x2500;&#x2500; crd <span class="token comment"># &#x65B0;&#x589E; CRD &#x5B9A;&#x4E49;</span>
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; kustomization.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; kustomizeconfig.yaml
&#x2502; &#x2502; &#x2514;&#x2500;&#x2500; patches
&#x2502; &#x251C;&#x2500;&#x2500; default
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; kustomization.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; manager_auth_proxy_patch.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; manager_webhook_patch.yaml
&#x2502; &#x2502; &#x2514;&#x2500;&#x2500; webhookcainjection_patch.yaml
&#x2502; &#x251C;&#x2500;&#x2500; manager
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; kustomization.yaml
&#x2502; &#x2502; &#x2514;&#x2500;&#x2500; manager.yaml
&#x2502; &#x251C;&#x2500;&#x2500; prometheus
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; kustomization.yaml
&#x2502; &#x2502; &#x2514;&#x2500;&#x2500; monitor.yaml
&#x2502; &#x251C;&#x2500;&#x2500; rbac
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; auth_proxy_client_clusterrole.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; auth_proxy_role.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; auth_proxy_role_binding.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; auth_proxy_service.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; guestbook_editor_role.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; guestbook_viewer_role.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; kustomization.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; leader_election_role.yaml
&#x2502; &#x2502; &#x251C;&#x2500;&#x2500; leader_election_role_binding.yaml
&#x2502; &#x2502; &#x2514;&#x2500;&#x2500; role_binding.yaml
&#x2502; &#x251C;&#x2500;&#x2500; samples
&#x2502; &#x2502; &#x2514;&#x2500;&#x2500; webapp_v1_guestbook.yaml <span class="token comment"># CRD &#x793A;&#x4F8B;</span>
&#x2502; &#x2514;&#x2500;&#x2500; webhook
&#x2502; &#x251C;&#x2500;&#x2500; kustomization.yaml
&#x2502; &#x251C;&#x2500;&#x2500; kustomizeconfig.yaml
&#x2502; &#x2514;&#x2500;&#x2500; service.yaml
&#x251C;&#x2500;&#x2500; controllers <span class="token comment"># &#x65B0;&#x589E; controller</span>
&#x2502; &#x251C;&#x2500;&#x2500; guestbook_controller.go
&#x2502; &#x2514;&#x2500;&#x2500; suite_test.go
&#x251C;&#x2500;&#x2500; go.mod
&#x251C;&#x2500;&#x2500; go.sum
&#x251C;&#x2500;&#x2500; hack
&#x2502; &#x2514;&#x2500;&#x2500; boilerplate.go.txt
&#x2514;&#x2500;&#x2500; main.go <span class="token comment"># &#x65B0;&#x589E;&#x5904;&#x7406;&#x903B;&#x8F91;</span>
<span class="token number">15</span> directories, <span class="token number">40</span> files
</code></pre>
<p>&#x4EE5;&#x4E0A;&#x5C31;&#x662F;&#x81EA;&#x52A8;&#x521D;&#x59CB;&#x5316;&#x51FA;&#x6765;&#x7684;&#x6587;&#x4EF6;&#x3002;</p>
<h3 id="&#x5B89;&#x88C5;-crd">&#x5B89;&#x88C5; CRD</h3>
<p>&#x6267;&#x884C;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x5B89;&#x88C5; CRD&#x3002;</p>
<pre class="language-"><code class="lang-bash">$ <span class="token function">make</span> <span class="token function">install</span>
/Users/jimmysong/Workspace/go/bin/controller-gen <span class="token string">&quot;crd:trivialVersions=true&quot;</span> rbac:roleName<span class="token operator">=</span>manager-role webhook <span class="token assign-left variable">paths</span><span class="token operator">=</span><span class="token string">&quot;./...&quot;</span> output:crd:artifacts:config<span class="token operator">=</span>config/crd/bases
kustomize build config/crd <span class="token operator">|</span> kubectl apply -f -
customresourcedefinition.apiextensions.k8s.io/guestbooks.webapp.jimmysong.io created
$ kubectl get crd <span class="token operator">|</span><span class="token function">grep</span> jimmysong.io
guestbooks.webapp.jimmysong.io <span class="token number">2020</span>-06-06T21:58:17Z
</code></pre>
<h3 id="&#x90E8;&#x7F72;-controller">&#x90E8;&#x7F72; controller</h3>
<p>&#x5728;&#x5F00;&#x59CB;&#x90E8;&#x7F72; controller &#x4E4B;&#x524D;&#xFF0C;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x5148;&#x68C0;&#x67E5; kubebuilder &#x81EA;&#x52A8;&#x751F;&#x6210;&#x7684; YAML &#x6587;&#x4EF6;&#x3002;</p>
<p><strong>&#x4FEE;&#x6539;&#x4F7F;&#x7528; gcr.io &#x955C;&#x50CF;&#x4ED3;&#x5E93;&#x7684;&#x955C;&#x50CF;&#x5730;&#x5740;</strong></p>
<p>&#x5BF9;&#x4E8E;&#x4E2D;&#x56FD;&#x5927;&#x9646;&#x7528;&#x6237;&#xFF0C;&#x53EF;&#x80FD;&#x65E0;&#x6CD5;&#x8BBF;&#x95EE; Google &#x955C;&#x50CF;&#x4ED3;&#x5E93; gcr.io&#xFF0C;&#x56E0;&#x6B64;&#x9700;&#x8981;&#x4FEE;&#x6539; <code>config/default/manager_auth_proxy_patch.yaml</code> &#x6587;&#x4EF6;&#x4E2D;&#x7684;&#x955C;&#x50CF;&#x5730;&#x5740;&#xFF0C;&#x5C06;&#x5176;&#x4E2D; <code>gcr.io/kube-rbac-proxy:v0.5.0</code> &#x4FEE;&#x6539;&#x4E3A; <code>jimmysong/kubebuilder-kube-rbac-proxy:v0.5.0</code>&#x3002;</p>
<p>&#x6709;&#x4E24;&#x79CD;&#x65B9;&#x5F0F;&#x8FD0;&#x884C; controller&#xFF1A;</p>
<ul>
<li>&#x672C;&#x5730;&#x8FD0;&#x884C;&#xFF0C;&#x7528;&#x4E8E;&#x8C03;&#x8BD5;</li>
<li>&#x90E8;&#x7F72;&#x5230; Kubernetes &#x4E0A;&#x8FD0;&#x884C;&#xFF0C;&#x4F5C;&#x4E3A;&#x751F;&#x4EA7;&#x4F7F;&#x7528;</li>
</ul>
<p><strong>&#x672C;&#x5730;&#x8FD0;&#x884C; controller</strong></p>
<p>&#x8981;&#x60F3;&#x5728;&#x672C;&#x5730;&#x8FD0;&#x884C; controller&#xFF0C;&#x53EA;&#x9700;&#x8981;&#x6267;&#x884C;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x3002;</p>
<pre class="language-"><code class="lang-bash"><span class="token function">make</span> run
</code></pre>
<p>&#x4F60;&#x5C06;&#x770B;&#x5230; controller &#x542F;&#x52A8;&#x548C;&#x8FD0;&#x884C;&#x65F6;&#x8F93;&#x51FA;&#x3002;</p>
<p><strong>&#x5C06; controller &#x90E8;&#x7F72;&#x5230; Kubernetes</strong></p>
<p>&#x6267;&#x884C;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x90E8;&#x7F72; controller &#x5230; Kubernetes &#x4E0A;&#xFF0C;&#x8FD9;&#x4E00;&#x6B65;&#x5C06;&#x4F1A;&#x5728;&#x672C;&#x5730;&#x6784;&#x5EFA; controller &#x7684;&#x955C;&#x50CF;&#xFF0C;&#x5E76;&#x63A8;&#x9001;&#x5230; DockerHub &#x4E0A;&#xFF0C;&#x7136;&#x540E;&#x5728; Kubernetes &#x4E0A;&#x90E8;&#x7F72; Deployment &#x8D44;&#x6E90;&#x3002;</p>
<pre class="language-"><code class="lang-bash"><span class="token function">make</span> docker-build docker-push <span class="token assign-left variable">IMG</span><span class="token operator">=</span>jimmysong/kubebuilder-example:latest
<span class="token function">make</span> deploy <span class="token assign-left variable">IMG</span><span class="token operator">=</span>jimmysong/kubebuilder-example:latest
</code></pre>
<p>&#x5728;&#x521D;&#x59CB;&#x5316;&#x9879;&#x76EE;&#x65F6;&#xFF0C;kubebuilder &#x4F1A;&#x81EA;&#x52A8;&#x6839;&#x636E;&#x9879;&#x76EE;&#x540D;&#x79F0;&#x521B;&#x5EFA;&#x4E00;&#x4E2A; Namespace&#xFF0C;&#x5982;&#x672C;&#x6587;&#x4E2D;&#x7684; <code>kubebuilder-example-system</code>&#xFF0C;&#x67E5;&#x770B; Deployment &#x5BF9;&#x8C61;&#x548C; Pod &#x8D44;&#x6E90;&#x3002;</p>
<pre class="language-"><code class="lang-bash">$ kubectl get deployment -n kubebuilder-example-system
NAME READY UP-TO-DATE AVAILABLE AGE
kubebuilder-example-controller-manager <span class="token number">1</span>/1 <span class="token number">1</span> <span class="token number">1</span> 3h26m
$ kubectl get pod -n kubebuilder-example-system
NAME READY STATUS RESTARTS AGE
kubebuilder-example-controller-manager-77b4c685f9-2npz8 <span class="token number">2</span>/2 Running <span class="token number">0</span> 3h16m
</code></pre>
<h3 id="&#x521B;&#x5EFA;-cr">&#x521B;&#x5EFA; CR</h3>
<p>Kubebuilder &#x5728;&#x521D;&#x59CB;&#x5316;&#x9879;&#x76EE;&#x7684;&#x65F6;&#x5019;&#x5DF2;&#x751F;&#x6210;&#x4E86;&#x793A;&#x4F8B; CR&#xFF0C;&#x6267;&#x884C;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x90E8;&#x7F72; CR&#x3002;</p>
<pre class="language-"><code class="lang-bash">kubectl apply -f config/samples/webapp_v1_guestbook.yaml
</code></pre>
<p>&#x6267;&#x884C;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x67E5;&#x770B;&#x65B0;&#x521B;&#x5EFA;&#x7684; CR&#x3002;</p>
<pre class="language-"><code class="lang-bash">$ kubectl get guestbooks.webapp.jimmysong.io guestbook-sample -o yaml
</code></pre>
<p>&#x4F60;&#x5C06;&#x770B;&#x5230;&#x7C7B;&#x4F3C;&#x5982;&#x4E0B;&#x7684;&#x8F93;&#x51FA;&#x3002;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> webapp.jimmysong.io/v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> Guestbook
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">annotations</span><span class="token punctuation">:</span>
<span class="token key atrule">kubectl.kubernetes.io/last-applied-configuration</span><span class="token punctuation">:</span> <span class="token punctuation">|</span><span class="token scalar string">
{&quot;apiVersion&quot;:&quot;webapp.jimmysong.io/v1&quot;,&quot;kind&quot;:&quot;Guestbook&quot;,&quot;metadata&quot;:{&quot;annotations&quot;:{},&quot;name&quot;:&quot;guestbook-sample&quot;,&quot;namespace&quot;:&quot;kubebuilder-example-system&quot;},&quot;spec&quot;:{&quot;foo&quot;:&quot;bar&quot;}}</span>
<span class="token key atrule">creationTimestamp</span><span class="token punctuation">:</span> <span class="token string">&quot;2020-06-07T01:04:48Z&quot;</span>
<span class="token key atrule">generation</span><span class="token punctuation">:</span> <span class="token number">1</span>
<span class="token key atrule">managedFields</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> webapp.jimmysong.io/v1
<span class="token key atrule">fieldsType</span><span class="token punctuation">:</span> FieldsV1
<span class="token key atrule">fieldsV1</span><span class="token punctuation">:</span>
<span class="token key atrule">f:metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">f:annotations</span><span class="token punctuation">:</span>
<span class="token key atrule">.</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">f:kubectl.kubernetes.io/last-applied-configuration</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">f:spec</span><span class="token punctuation">:</span>
<span class="token key atrule">.</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">f:foo</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">manager</span><span class="token punctuation">:</span> kubectl
<span class="token key atrule">operation</span><span class="token punctuation">:</span> Update
<span class="token key atrule">time</span><span class="token punctuation">:</span> <span class="token string">&quot;2020-06-07T01:04:48Z&quot;</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> guestbook<span class="token punctuation">-</span>sample
<span class="token key atrule">namespace</span><span class="token punctuation">:</span> kubebuilder<span class="token punctuation">-</span>example<span class="token punctuation">-</span>system
<span class="token key atrule">resourceVersion</span><span class="token punctuation">:</span> <span class="token string">&quot;1795834&quot;</span>
<span class="token key atrule">selfLink</span><span class="token punctuation">:</span> /apis/webapp.jimmysong.io/v1/namespaces/kubebuilder<span class="token punctuation">-</span>example<span class="token punctuation">-</span>system/guestbooks/guestbook<span class="token punctuation">-</span>sample
<span class="token key atrule">uid</span><span class="token punctuation">:</span> 051a4266<span class="token punctuation">-</span>7f5a<span class="token punctuation">-</span>4c57<span class="token punctuation">-</span>8180<span class="token punctuation">-</span>64222d462bba
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">foo</span><span class="token punctuation">:</span> bar
</code></pre>
<p>&#x81F3;&#x6B64;&#x4E00;&#x4E2A;&#x57FA;&#x672C;&#x7684; Operator &#x6846;&#x67B6;&#x5DF2;&#x7ECF;&#x521B;&#x5EFA;&#x5B8C;&#x6210;&#xFF0C;&#x4F46;&#x8FD9;&#x4E2A; Operator &#x53EA;&#x662F;&#x4FEE;&#x6539;&#x4E86; etcd &#x4E2D;&#x7684;&#x6570;&#x636E;&#x800C;&#x5DF2;&#xFF0C;&#x5B9E;&#x9645;&#x4E0A;&#x4EC0;&#x4E48;&#x4E8B;&#x60C5;&#x4E5F;&#x6CA1;&#x505A;&#xFF0C;&#x56E0;&#x4E3A;&#x6211;&#x4EEC;&#x6CA1;&#x6709;&#x5728; Operator &#x4E2D;&#x7684;&#x589E;&#x52A0;&#x4E1A;&#x52A1;&#x903B;&#x8F91;&#x3002;</p>
<h2 id="&#x589E;&#x52A0;&#x4E1A;&#x52A1;&#x903B;&#x8F91;">&#x589E;&#x52A0;&#x4E1A;&#x52A1;&#x903B;&#x8F91;</h2>
<p>&#x4E0B;&#x9762;&#x6211;&#x4EEC;&#x5C06;&#x4FEE;&#x6539; CRD &#x7684;&#x6570;&#x636E;&#x7ED3;&#x6784;&#x5E76;&#x5728; controller &#x4E2D;&#x589E;&#x52A0;&#x4E00;&#x4E9B;&#x65E5;&#x5FD7;&#x8F93;&#x51FA;&#x3002;</p>
<h3 id="&#x4FEE;&#x6539;-crd">&#x4FEE;&#x6539; CRD</h3>
<p>&#x6211;&#x4EEC;&#x5C06;&#x4FEE;&#x6539;&#x4E0A;&#x6587;&#x4E2D;&#x4F7F;&#x7528; kubebuilder &#x547D;&#x4EE4;&#x751F;&#x6210;&#x7684;&#x9ED8;&#x8BA4; CRD &#x914D;&#x7F6E;&#xFF0C;&#x5728; CRD &#x4E2D;&#x589E;&#x52A0; <code>FirstName</code>&#x3001;<code>LastName</code> &#x548C; <code>Status</code> &#x5B57;&#x6BB5;&#x3002;</p>
<p>&#x4E0B;&#x9762;&#x662F;&#x4FEE;&#x6539;&#x540E;&#x7684; <code>api/v1/guestbook_types.go</code> &#x6587;&#x4EF6;&#x7684;&#x5185;&#x5BB9;&#xFF0C;&#x5BF9;&#x5E94;&#x4FEE;&#x6539;&#x7684;&#x5730;&#x65B9;&#x5DF2;&#x5728;&#x4EE3;&#x7801;&#x4E2D;&#x6CE8;&#x91CA;&#x8BF4;&#x660E;&#x3002;</p>
<pre class="language-"><code class="lang-go"><span class="token comment">/*
Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an &quot;AS IS&quot; BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/</span>
<span class="token keyword">package</span> v1
<span class="token keyword">import</span> <span class="token punctuation">(</span>
metav1 <span class="token string">&quot;k8s.io/apimachinery/pkg/apis/meta/v1&quot;</span>
<span class="token punctuation">)</span>
<span class="token comment">// EDIT THIS FILE! THIS IS SCAFFOLDING FOR YOU TO OWN!</span>
<span class="token comment">// NOTE: json tags are required. Any new fields you add must have json tags for the fields to be serialized.</span>
<span class="token comment">// GuestbookSpec defines the desired state of Guestbook</span>
<span class="token keyword">type</span> GuestbookSpec <span class="token keyword">struct</span> <span class="token punctuation">{</span>
<span class="token comment">// INSERT ADDITIONAL SPEC FIELDS - desired state of cluster</span>
<span class="token comment">// Important: Run &quot;make&quot; to regenerate code after modifying this file</span>
<span class="token comment">// Foo is an example field of Guestbook. Edit Guestbook_types.go to remove/update</span>
<span class="token comment">// &#x6DFB;&#x52A0;&#x4E24;&#x4E2A;&#x65B0;&#x7684;&#x5B57;&#x6BB5;</span>
FirstName <span class="token builtin">string</span> <span class="token string">`json:&quot;firstname&quot;`</span>
LastName <span class="token builtin">string</span> <span class="token string">`json:&quot;lastname&quot;`</span>
<span class="token punctuation">}</span>
<span class="token comment">// GuestbookStatus defines the observed state of Guestbook</span>
<span class="token keyword">type</span> GuestbookStatus <span class="token keyword">struct</span> <span class="token punctuation">{</span>
<span class="token comment">// INSERT ADDITIONAL STATUS FIELD - define observed state of cluster</span>
<span class="token comment">// Important: Run &quot;make&quot; to regenerate code after modifying this file</span>
Status <span class="token builtin">string</span> <span class="token string">`json:&quot;Status&quot;`</span>
<span class="token punctuation">}</span>
<span class="token comment">// +kubebuilder:object:root=true</span>
<span class="token comment">// &#x5728;&#x8FD9;&#x91CC;&#x589E;&#x52A0; status &#x7684;&#x8BF4;&#x660E;</span>
<span class="token comment">// +kubebuilder:subresource:status</span>
<span class="token comment">// Guestbook is the Schema for the guestbooks API</span>
<span class="token keyword">type</span> Guestbook <span class="token keyword">struct</span> <span class="token punctuation">{</span>
metav1<span class="token punctuation">.</span>TypeMeta <span class="token string">`json:&quot;,inline&quot;`</span>
metav1<span class="token punctuation">.</span>ObjectMeta <span class="token string">`json:&quot;metadata,omitempty&quot;`</span>
Spec GuestbookSpec <span class="token string">`json:&quot;spec,omitempty&quot;`</span>
Status GuestbookStatus <span class="token string">`json:&quot;status,omitempty&quot;`</span>
<span class="token punctuation">}</span>
<span class="token comment">// +kubebuilder:object:root=true</span>
<span class="token comment">// GuestbookList contains a list of Guestbook</span>
<span class="token keyword">type</span> GuestbookList <span class="token keyword">struct</span> <span class="token punctuation">{</span>
metav1<span class="token punctuation">.</span>TypeMeta <span class="token string">`json:&quot;,inline&quot;`</span>
metav1<span class="token punctuation">.</span>ListMeta <span class="token string">`json:&quot;metadata,omitempty&quot;`</span>
Items <span class="token punctuation">[</span><span class="token punctuation">]</span>Guestbook <span class="token string">`json:&quot;items&quot;`</span>
<span class="token punctuation">}</span>
<span class="token keyword">func</span> <span class="token function">init</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
SchemeBuilder<span class="token punctuation">.</span><span class="token function">Register</span><span class="token punctuation">(</span><span class="token operator">&amp;</span>Guestbook<span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token operator">&amp;</span>GuestbookList<span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x4E0A;&#x9762;&#x7684;&#x4EE3;&#x7801;&#x6BD4;&#x539F;&#x5148;&#x4F7F;&#x7528; kubebuilder &#x751F;&#x6210;&#x7684;&#x9ED8;&#x8BA4;&#x4EE3;&#x7801;&#x589E;&#x52A0;&#x4E86;&#x4EE5;&#x4E0B;&#x5185;&#x5BB9;&#xFF1A;</p>
<pre class="language-"><code class="lang-go"> FirstName <span class="token builtin">string</span> <span class="token string">`json:&quot;firstname&quot;`</span>
LastName <span class="token builtin">string</span> <span class="token string">`json:&quot;lastname&quot;`</span>
Status <span class="token builtin">string</span> <span class="token string">`json:&quot;Status&quot;`</span>
<span class="token comment">// +kubebuilder:subresource:status</span>
</code></pre>
<h3 id="&#x4FEE;&#x6539;-reconcile-&#x51FD;&#x6570;">&#x4FEE;&#x6539; Reconcile &#x51FD;&#x6570;</h3>
<p>Reconcile &#x51FD;&#x6570;&#x662F; Operator &#x7684;&#x6838;&#x5FC3;&#x903B;&#x8F91;&#xFF0C;Operator &#x7684;&#x4E1A;&#x52A1;&#x903B;&#x8F91;&#x90FD;&#x4F4D;&#x4E8E; <code>controllers/guestbook_controller.go</code> &#x6587;&#x4EF6;&#x7684; <code>func (r *GuestbookReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error)</code> &#x51FD;&#x6570;&#x4E2D;&#x3002;</p>
<pre class="language-"><code class="lang-go"><span class="token comment">// +kubebuilder:rbac:groups=webapp.jimmysong.io,resources=guestbooks,verbs=get;list;watch;create;update;patch;delete</span>
<span class="token comment">// +kubebuilder:rbac:groups=webapp.jimmysong.io,resources=guestbooks/status,verbs=get;update;patch</span>
<span class="token keyword">func</span> <span class="token punctuation">(</span>r <span class="token operator">*</span>GuestbookReconciler<span class="token punctuation">)</span> <span class="token function">Reconcile</span><span class="token punctuation">(</span>req ctrl<span class="token punctuation">.</span>Request<span class="token punctuation">)</span> <span class="token punctuation">(</span>ctrl<span class="token punctuation">.</span>Result<span class="token punctuation">,</span> <span class="token builtin">error</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token boolean">_</span> <span class="token operator">=</span> context<span class="token punctuation">.</span><span class="token function">Background</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token boolean">_</span> <span class="token operator">=</span> r<span class="token punctuation">.</span>Log<span class="token punctuation">.</span><span class="token function">WithValues</span><span class="token punctuation">(</span><span class="token string">&quot;guestbook&quot;</span><span class="token punctuation">,</span> req<span class="token punctuation">.</span>NamespacedName<span class="token punctuation">)</span>
<span class="token comment">// your logic here</span>
ctx <span class="token operator">:=</span> context<span class="token punctuation">.</span><span class="token function">Background</span><span class="token punctuation">(</span><span class="token punctuation">)</span>
<span class="token boolean">_</span> <span class="token operator">=</span> r<span class="token punctuation">.</span>Log<span class="token punctuation">.</span><span class="token function">WithValues</span><span class="token punctuation">(</span><span class="token string">&quot;apiexamplea&quot;</span><span class="token punctuation">,</span> req<span class="token punctuation">.</span>NamespacedName<span class="token punctuation">)</span>
<span class="token comment">// &#x83B7;&#x53D6;&#x5F53;&#x524D;&#x7684; CR&#xFF0C;&#x5E76;&#x6253;&#x5370;</span>
obj <span class="token operator">:=</span> <span class="token operator">&amp;</span>webappv1<span class="token punctuation">.</span>Guestbook<span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token keyword">if</span> err <span class="token operator">:=</span> r<span class="token punctuation">.</span><span class="token function">Get</span><span class="token punctuation">(</span>ctx<span class="token punctuation">,</span> req<span class="token punctuation">.</span>NamespacedName<span class="token punctuation">,</span> obj<span class="token punctuation">)</span><span class="token punctuation">;</span> err <span class="token operator">!=</span> <span class="token boolean">nil</span> <span class="token punctuation">{</span>
log<span class="token punctuation">.</span><span class="token function">Println</span><span class="token punctuation">(</span>err<span class="token punctuation">,</span> <span class="token string">&quot;Unable to fetch object&quot;</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
log<span class="token punctuation">.</span><span class="token function">Println</span><span class="token punctuation">(</span><span class="token string">&quot;Geeting from Kubebuilder to&quot;</span><span class="token punctuation">,</span> obj<span class="token punctuation">.</span>Spec<span class="token punctuation">.</span>FirstName<span class="token punctuation">,</span> obj<span class="token punctuation">.</span>Spec<span class="token punctuation">.</span>LastName<span class="token punctuation">)</span>
<span class="token punctuation">}</span>
<span class="token comment">// &#x521D;&#x59CB;&#x5316; CR &#x7684; Status &#x4E3A; Running</span>
obj<span class="token punctuation">.</span>Status<span class="token punctuation">.</span>Status <span class="token operator">=</span> <span class="token string">&quot;Running&quot;</span>
<span class="token keyword">if</span> err <span class="token operator">:=</span> r<span class="token punctuation">.</span><span class="token function">Status</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">Update</span><span class="token punctuation">(</span>ctx<span class="token punctuation">,</span> obj<span class="token punctuation">)</span><span class="token punctuation">;</span> err <span class="token operator">!=</span> <span class="token boolean">nil</span> <span class="token punctuation">{</span>
log<span class="token punctuation">.</span><span class="token function">Println</span><span class="token punctuation">(</span>err<span class="token punctuation">,</span> <span class="token string">&quot;unable to update status&quot;</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span>
<span class="token keyword">return</span> ctrl<span class="token punctuation">.</span>Result<span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token boolean">nil</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x8FD9;&#x6BB5;&#x4EE3;&#x7801;&#x7684;&#x4E1A;&#x52A1;&#x903B;&#x8F91;&#x662F;&#x5F53;&#x53D1;&#x73B0;&#x6709; <code>guestbooks.webapp.jimmysong.io</code> &#x7684; CR &#x53D8;&#x66F4;&#x65F6;&#xFF0C;&#x5728;&#x63A7;&#x5236;&#x53F0;&#x4E2D;&#x8F93;&#x51FA;&#x65E5;&#x5FD7;&#x3002;</p>
<h3 id="&#x8FD0;&#x884C;&#x6D4B;&#x8BD5;">&#x8FD0;&#x884C;&#x6D4B;&#x8BD5;</h3>
<p>&#x4FEE;&#x6539;&#x597D; Operator &#x7684;&#x4E1A;&#x52A1;&#x903B;&#x8F91;&#x540E;&#xFF0C;&#x518D;&#x6D4B;&#x8BD5;&#x4E00;&#x4E0B;&#x65B0;&#x7684;&#x903B;&#x8F91;&#x662F;&#x5426;&#x53EF;&#x4EE5;&#x6B63;&#x5E38;&#x8FD0;&#x884C;&#x3002;</p>
<p><strong>&#x90E8;&#x7F72; CRD</strong></p>
<p>&#x8DDF;&#x4E0A;&#x6587;&#x7684;&#x505A;&#x6CD5;&#x4E00;&#x6837;&#xFF0C;&#x6267;&#x884C;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x90E8;&#x7F72; CRD&#x3002;</p>
<pre class="language-"><code class="lang-bash"><span class="token function">make</span> <span class="token function">install</span>
</code></pre>
<p><strong>&#x8FD0;&#x884C; controller</strong></p>
<p>&#x8DDF;&#x4E0A;&#x6587;&#x7684;&#x505A;&#x6CD5;&#x4E00;&#x6837;&#xFF0C;&#x6267;&#x884C;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x8FD0;&#x884C; controller&#x3002;&#x4E3A;&#x4E86;&#x65B9;&#x4FBF;&#x8D77;&#x89C1;&#xFF0C;&#x6211;&#x4EEC;&#x5C06;&#x5728;&#x672C;&#x5730;&#x8FD0;&#x884C; controller&#xFF0C;&#x5F53;&#x7136;&#x60A8;&#x4E5F;&#x53EF;&#x4EE5;&#x5C06;&#x5176;&#x90E8;&#x7F72;&#x5230; Kubernetes &#x4E0A;&#x8FD0;&#x884C;&#x3002;</p>
<pre class="language-"><code class="lang-bash"><span class="token function">make</span> run
</code></pre>
<p>&#x4FDD;&#x6301;&#x8BE5;&#x7A97;&#x53E3;&#x5728;&#x524D;&#x53F0;&#x8FD0;&#x884C;&#x3002;</p>
<p><strong>&#x90E8;&#x7F72; CR</strong></p>
<p>&#x4FEE;&#x6539; <code>config/samples/webapp_v1_guestbook.yaml</code> &#x6587;&#x4EF6;&#x4E2D;&#x7684;&#x914D;&#x7F6E;&#x3002;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> webapp.jimmysong.io/v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> Guestbook
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> guestbook<span class="token punctuation">-</span>sample
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token comment"># Add fields here</span>
<span class="token key atrule">firstname</span><span class="token punctuation">:</span> Jimmy
<span class="token key atrule">lastname</span><span class="token punctuation">:</span> Song
</code></pre>
<p>&#x5C06;&#x5176;&#x5E94;&#x7528;&#x5230; Kubernetes&#x3002;</p>
<pre class="language-"><code class="lang-bash">kubectl apply -f config/samples/webapp_v1_guestbook.yaml
</code></pre>
<p>&#x6B64;&#x65F6;&#x8F6C;&#x5230;&#x4E0A;&#x6587;&#x4E2D;&#x8FD0;&#x884C; controller &#x7684;&#x7A97;&#x53E3;&#xFF0C;&#x5C06;&#x5728;&#x547D;&#x4EE4;&#x884C;&#x524D;&#x53F0;&#x4E2D;&#x770B;&#x5230;&#x5982;&#x4E0B;&#x8F93;&#x51FA;&#x3002;</p>
<pre class="language-"><code class="lang-bash">go <span class="token function">fmt</span> ./<span class="token punctuation">..</span>.
go vet ./<span class="token punctuation">..</span>.
/Users/jimmysong/Workspace/go/bin/controller-gen <span class="token string">&quot;crd:trivialVersions=true&quot;</span> rbac:roleName<span class="token operator">=</span>manager-role webhook <span class="token assign-left variable">paths</span><span class="token operator">=</span><span class="token string">&quot;./...&quot;</span> output:crd:artifacts:config<span class="token operator">=</span>config/crd/bases
go run ./main.go
<span class="token number">2020</span>-06-07T16:48:29.966+0800 INFO controller-runtime.metrics metrics server is starting to listen <span class="token punctuation">{</span><span class="token string">&quot;addr&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;:8080&quot;</span><span class="token punctuation">}</span>
<span class="token number">2020</span>-06-07T16:48:29.967+0800 INFO setup starting manager
<span class="token number">2020</span>-06-07T16:48:29.967+0800 INFO controller-runtime.manager starting metrics server <span class="token punctuation">{</span><span class="token string">&quot;path&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;/metrics&quot;</span><span class="token punctuation">}</span>
<span class="token number">2020</span>-06-07T16:48:29.967+0800 INFO controller-runtime.controller Starting EventSource <span class="token punctuation">{</span><span class="token string">&quot;controller&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;guestbook&quot;</span>, <span class="token string">&quot;source&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;kind source: /, Kind=&quot;</span><span class="token punctuation">}</span>
<span class="token number">2020</span>-06-07T16:48:30.068+0800 INFO controller-runtime.controller Starting Controller <span class="token punctuation">{</span><span class="token string">&quot;controller&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;guestbook&quot;</span><span class="token punctuation">}</span>
<span class="token number">2020</span>-06-07T16:48:30.068+0800 INFO controller-runtime.controller Starting workers <span class="token punctuation">{</span><span class="token string">&quot;controller&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;guestbook&quot;</span>, <span class="token string">&quot;worker count&quot;</span><span class="token builtin class-name">:</span> <span class="token number">1</span><span class="token punctuation">}</span>
<span class="token number">2020</span>/06/07 <span class="token number">16</span>:48:30 Geeting from Kubebuilder to Jimmy Song
<span class="token number">2020</span>-06-07T16:48:30.080+0800 DEBUG controller-runtime.controller Successfully Reconciled <span class="token punctuation">{</span><span class="token string">&quot;controller&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;guestbook&quot;</span>, <span class="token string">&quot;request&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;kubebuilder-example-system/guestbook-sample&quot;</span><span class="token punctuation">}</span>
</code></pre>
<p>&#x4ECE;&#x4E0A;&#x9762;&#x7684;&#x65E5;&#x5FD7;&#x4E2D;&#xFF0C;&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x8FD9;&#x6761;&#x8F93;&#x51FA;&#x3002;</p>
<pre class="language-"><code class="lang-bash"><span class="token number">2020</span>/06/07 <span class="token number">16</span>:48:30 Geeting from Kubebuilder to Jimmy Song
</code></pre>
<p>&#x8FD9;&#x6B63;&#x662F;&#x5728; <code>Reconcile</code> &#x51FD;&#x6570;&#x4E2D;&#x7684;&#x8F93;&#x51FA;&#x3002;</p>
<p><strong>&#x83B7;&#x53D6;&#x5F53;&#x524D;&#x7684; CR</strong></p>
<p>&#x4F7F;&#x7528;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x83B7;&#x53D6;&#x5F53;&#x524D;&#x7684; CR&#x3002;</p>
<pre class="language-"><code class="lang-bash"><span class="token comment"># kubectl get guestbooks.webapp.jimmysong.io guestbook-sample -o yaml</span>
</code></pre>
<p>&#x5C06;&#x770B;&#x5230;&#x5982;&#x4E0B;&#x8F93;&#x51FA;&#x3002;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> webapp.jimmysong.io/v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> Guestbook
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">annotations</span><span class="token punctuation">:</span>
<span class="token key atrule">kubectl.kubernetes.io/last-applied-configuration</span><span class="token punctuation">:</span> <span class="token punctuation">|</span><span class="token scalar string">
{&quot;apiVersion&quot;:&quot;webapp.jimmysong.io/v1&quot;,&quot;kind&quot;:&quot;Guestbook&quot;,&quot;metadata&quot;:{&quot;annotations&quot;:{},&quot;name&quot;:&quot;guestbook-sample&quot;,&quot;namespace&quot;:&quot;kubebuilder-example-system&quot;},&quot;spec&quot;:{&quot;firstname&quot;:&quot;Jimmy&quot;,&quot;lastname&quot;:&quot;Song&quot;}}</span>
<span class="token key atrule">creationTimestamp</span><span class="token punctuation">:</span> <span class="token string">&quot;2020-06-07T02:54:46Z&quot;</span>
<span class="token key atrule">generation</span><span class="token punctuation">:</span> <span class="token number">1</span>
<span class="token key atrule">managedFields</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> webapp.jimmysong.io/v1
<span class="token key atrule">fieldsType</span><span class="token punctuation">:</span> FieldsV1
<span class="token key atrule">fieldsV1</span><span class="token punctuation">:</span>
<span class="token key atrule">f:metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">f:annotations</span><span class="token punctuation">:</span>
<span class="token key atrule">.</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">f:kubectl.kubernetes.io/last-applied-configuration</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">f:spec</span><span class="token punctuation">:</span>
<span class="token key atrule">.</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">f:firstname</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">f:lastname</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">manager</span><span class="token punctuation">:</span> kubectl
<span class="token key atrule">operation</span><span class="token punctuation">:</span> Update
<span class="token key atrule">time</span><span class="token punctuation">:</span> <span class="token string">&quot;2020-06-07T02:54:46Z&quot;</span>
<span class="token punctuation">-</span> <span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> webapp.jimmysong.io/v1
<span class="token key atrule">fieldsType</span><span class="token punctuation">:</span> FieldsV1
<span class="token key atrule">fieldsV1</span><span class="token punctuation">:</span>
<span class="token key atrule">f:status</span><span class="token punctuation">:</span>
<span class="token key atrule">.</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">f:Status</span><span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span>
<span class="token key atrule">manager</span><span class="token punctuation">:</span> main
<span class="token key atrule">operation</span><span class="token punctuation">:</span> Update
<span class="token key atrule">time</span><span class="token punctuation">:</span> <span class="token string">&quot;2020-06-07T02:56:38Z&quot;</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> guestbook<span class="token punctuation">-</span>sample
<span class="token key atrule">namespace</span><span class="token punctuation">:</span> kubebuilder<span class="token punctuation">-</span>example<span class="token punctuation">-</span>system
<span class="token key atrule">resourceVersion</span><span class="token punctuation">:</span> <span class="token string">&quot;1813769&quot;</span>
<span class="token key atrule">selfLink</span><span class="token punctuation">:</span> /apis/webapp.jimmysong.io/v1/namespaces/kubebuilder<span class="token punctuation">-</span>example<span class="token punctuation">-</span>system/guestbooks/guestbook<span class="token punctuation">-</span>sample
<span class="token key atrule">uid</span><span class="token punctuation">:</span> 17da5eae<span class="token punctuation">-</span>1020<span class="token punctuation">-</span>40d2<span class="token punctuation">-</span>821a<span class="token punctuation">-</span>9a1f990dd767
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">firstname</span><span class="token punctuation">:</span> Jimmy
<span class="token key atrule">lastname</span><span class="token punctuation">:</span> Song
<span class="token key atrule">status</span><span class="token punctuation">:</span>
<span class="token key atrule">Status</span><span class="token punctuation">:</span> Running
</code></pre>
<p>&#x6211;&#x4EEC;&#x8F93;&#x51FA;&#x7684;&#x6700;&#x540E;&#x90E8;&#x5206;&#xFF1A;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">firstname</span><span class="token punctuation">:</span> Jimmy
<span class="token key atrule">lastname</span><span class="token punctuation">:</span> Song
<span class="token key atrule">status</span><span class="token punctuation">:</span>
<span class="token key atrule">Status</span><span class="token punctuation">:</span> Running
</code></pre>
<p>&#x8FD9;&#x6B63;&#x662F;&#x6211;&#x4EEC;&#x5728; CRD &#x91CC;&#x5B9A;&#x4E49;&#x7684;&#x5B57;&#x6BB5;&#x3002;</p>
<p><strong>&#x5220;&#x9664; CR</strong></p>
<p>&#x4F7F;&#x7528;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x5220;&#x9664; CR&#x3002;</p>
<pre class="language-"><code class="lang-bash">kubectl delete guestbooks.webapp.jimmysong.io guestbook-sample
</code></pre>
<p>&#x6B64;&#x65F6;&#x5728; controller &#x7684;&#x524D;&#x53F0;&#x8F93;&#x51FA;&#x4E2D;&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x4EE5;&#x4E0B;&#x5185;&#x5BB9;&#x3002;</p>
<pre class="language-"><code class="lang-bash"><span class="token number">2020</span>/06/07 <span class="token number">20</span>:09:50 Guestbook.webapp.jimmysong.io <span class="token string">&quot;guestbook-sample&quot;</span> not found Unable to fetch object
<span class="token number">2020</span>/06/07 <span class="token number">20</span>:09:50 resource name may not be empty unable to update status
<span class="token number">2020</span>-06-07T20:09:50.380+0800 DEBUG controller-runtime.controller Successfully Reconciled <span class="token punctuation">{</span><span class="token string">&quot;controller&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;guestbook&quot;</span>, <span class="token string">&quot;request&quot;</span><span class="token builtin class-name">:</span> <span class="token string">&quot;kubebuilder-example-system/guestbook-sample&quot;</span><span class="token punctuation">}</span>
</code></pre>
<p>&#x56E0;&#x4E3A;&#x8BE5; CR &#x88AB;&#x5220;&#x9664;&#xFF0C;&#x56E0;&#x6B64;&#x65E5;&#x5FD7;&#x4E2D;&#x4F1A;&#x63D0;&#x793A;&#x8D44;&#x6E90;&#x627E;&#x4E0D;&#x5230;&#x3002;</p>
<h2 id="&#x66F4;&#x591A;">&#x66F4;&#x591A;</h2>
<p>&#x672C;&#x793A;&#x4F8B;&#x4EC5;&#x5C55;&#x793A;&#x4E86;&#x4F7F;&#x7528; kubebuilder &#x521B;&#x5EFA; Operator &#x7684;&#x57FA;&#x672C;&#x903B;&#x8F91;&#xFF0C;&#x6B65;&#x9AA4;&#x4E3A;&#xFF1A;</p>
<ul>
<li>&#x521D;&#x59CB;&#x5316;&#x9879;&#x76EE;&#x548C; API</li>
<li>&#x5B89;&#x88C5; CRD</li>
<li>&#x90E8;&#x7F72; Controller</li>
<li>&#x521B;&#x5EFA; CR</li>
</ul>
<p>Operator &#x7684;&#x6838;&#x5FC3;&#x903B;&#x8F91;&#x90FD;&#x5728; controller &#x7684; <code>Reconcile</code> &#x51FD;&#x6570;&#x4E2D;&#xFF0C;&#x8BF7;&#x53C2;&#x8003; <a href="https://jimmysong.io/awesome-cloud-native/#kubernetes-operators" target="_blank">Awesome Cloud Native</a> &#x4E2D;&#x7684; Operator &#x5B9E;&#x73B0;&#xFF0C;&#x672C;&#x4E66;&#x540E;&#x7EED;&#x5C06;&#x4F1A;&#x8BA8;&#x8BBA;&#x3002;</p>
<h2 id="&#x53C2;&#x8003;">&#x53C2;&#x8003;</h2>
<ul>
<li><a href="https://chenshaowen.com/blog/how-to-develop-a-operator-using-kubebuilder.html" target="_blank">&#x5982;&#x4F55;&#x4F7F;&#x7528; KubeBuilder &#x5F00;&#x53D1;&#x4E00;&#x4E2A; Operator - chenshaowen.com</a></li>
<li><a href="https://kubebuilder.io/quick-start.html" target="_blank">Kubebuilder book - kubebuilder.io</a> </li>
</ul>
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