2020-06-19 14:52:56 +08:00
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< title > 使用 kubebuilder 创建 operator 示例 · Kubernetes Handbook - Kubernetes中文指南/云原生应用架构实践手册 by Jimmy Song(宋净超)< / title >
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< a href = "https://jimmysong.io" target = "_blank" class = "custom-link" > 回到主页< / a >
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< a href = "https://jimmysong.io/awesome-cloud-native" target = "_blank" class = "custom-link" > Awesome Cloud Native< / a >
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< a href = "https://cloudnative.to" target = "_blank" class = "custom-link" > 云原生社区< / a >
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< a href = "https://cloudnativeindustryalliance.github.io/whitepaper2020/" target = "_blank" class = "custom-link" > 中国云原生发展白皮书2020< / a >
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< a href = "https://jimmysong.io/guide-to-cloud-native-app/" target = "_blank" class = "custom-link" > 云原生应用白皮书< / a >
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< li class = "header" > 前言< / li >
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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（ ）
< / a >
< / li >
< li class = "chapter " data-level = "2.2" data-path = "../cloud-native/cloud-native-philosophy.html" >
< a href = "../cloud-native/cloud-native-philosophy.html" >
< b > 2.2.< / b >
云原生的设计哲学
< / a >
< / li >
< li class = "chapter " data-level = "2.3" data-path = "../cloud-native/play-with-kubernetes.html" >
< a href = "../cloud-native/play-with-kubernetes.html" >
< b > 2.3.< / b >
Play with Kubernetes
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< li class = "chapter " data-level = "2.4" data-path = "../cloud-native/cloud-native-local-quick-start.html" >
< a href = "../cloud-native/cloud-native-local-quick-start.html" >
< b > 2.4.< / b >
快速部署一个云原生本地实验环境
< / a >
< / li >
< li class = "chapter " data-level = "2.5" data-path = "../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html" >
< a href = "../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html" >
< b > 2.5.< / b >
使用 Rancher 在阿里云上部署 Kubenretes 集群
< / a >
< / li >
< li class = "chapter " data-level = "2.6" data-path = "../cloud-native/kubernetes-and-cloud-native-app-overview.html" >
< a href = "../cloud-native/kubernetes-and-cloud-native-app-overview.html" >
< b > 2.6.< / b >
Kubernetes 与云原生应用概览
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< / li >
< li class = "chapter " data-level = "2.7" data-path = "../cloud-native/from-kubernetes-to-cloud-native.html" >
< a href = "../cloud-native/from-kubernetes-to-cloud-native.html" >
< b > 2.7.< / b >
云原生应用之路 —— 从 Kubernetes 到 Cloud Native
< / a >
< / li >
< li class = "chapter " data-level = "2.8" data-path = "../cloud-native/cloud-native-programming-languages.html" >
< a href = "../cloud-native/cloud-native-programming-languages.html" >
< b > 2.8.< / b >
云原生编程语言
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< li class = "chapter " data-level = "2.8.1" data-path = "../cloud-native/cloud-native-programming-language-ballerina.html" >
< a href = "../cloud-native/cloud-native-programming-language-ballerina.html" >
< b > 2.8.1.< / b >
云原生编程语言 Ballerina
< / a >
< / li >
< li class = "chapter " data-level = "2.8.2" data-path = "../cloud-native/cloud-native-programming-language-pulumi.html" >
< a href = "../cloud-native/cloud-native-programming-language-pulumi.html" >
< b > 2.8.2.< / b >
云原生编程语言 Pulumi
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< / li >
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< li class = "chapter " data-level = "2.9" data-path = "../cloud-native/the-future-of-cloud-native.html" >
< a href = "../cloud-native/the-future-of-cloud-native.html" >
< b > 2.9.< / b >
云原生的未来
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< / li >
< li class = "chapter " data-level = "2.10" data-path = "../cloud-native/define-cloud-native-app.html" >
< a href = "../cloud-native/define-cloud-native-app.html" >
< b > 2.10.< / b >
定义云原生应用
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< li class = "chapter " data-level = "2.10.1" data-path = "../cloud-native/workload.html" >
< a href = "../cloud-native/workload.html" >
< b > 2.10.1.< / b >
Workload
< / a >
< / li >
< li class = "chapter " data-level = "2.10.2" data-path = "../cloud-native/component.html" >
< a href = "../cloud-native/component.html" >
< b > 2.10.2.< / b >
Component
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< / li >
< li class = "chapter " data-level = "2.10.3" data-path = "../cloud-native/trait.html" >
< a href = "../cloud-native/trait.html" >
< b > 2.10.3.< / b >
Trait
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< / li >
< li class = "chapter " data-level = "2.10.4" data-path = "../cloud-native/application-scope.html" >
< a href = "../cloud-native/application-scope.html" >
< b > 2.10.4.< / b >
Application Scope
< / a >
< / li >
< li class = "chapter " data-level = "2.10.5" data-path = "../cloud-native/application-configuration.html" >
< a href = "../cloud-native/application-configuration.html" >
< b > 2.10.5.< / b >
Application Configuration
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< / ul >
< / li >
< li class = "header" > 概念与原理< / li >
< li class = "chapter " data-level = "3.1" data-path = "../concepts/" >
< a href = "../concepts/" >
< b > 3.1.< / b >
Kubernetes 架构
< / a >
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< li class = "chapter " data-level = "3.1.1" data-path = "../concepts/concepts.html" >
< a href = "../concepts/concepts.html" >
< b > 3.1.1.< / b >
设计理念
< / a >
< / li >
< li class = "chapter " data-level = "3.1.2" data-path = "../concepts/etcd.html" >
< a href = "../concepts/etcd.html" >
< b > 3.1.2.< / b >
Etcd 解析
< / a >
< / li >
< li class = "chapter " data-level = "3.1.3" data-path = "../concepts/open-interfaces.html" >
< a href = "../concepts/open-interfaces.html" >
< b > 3.1.3.< / b >
开放接口
< / a >
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< li class = "chapter " data-level = "3.1.3.1" data-path = "../concepts/cri.html" >
< a href = "../concepts/cri.html" >
< b > 3.1.3.1.< / b >
CRI - Container Runtime Interface（ ）
< / a >
< / li >
< li class = "chapter " data-level = "3.1.3.2" data-path = "../concepts/cni.html" >
< a href = "../concepts/cni.html" >
< b > 3.1.3.2.< / b >
CNI - Container Network Interface（ ）
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< / li >
< li class = "chapter " data-level = "3.1.3.3" data-path = "../concepts/csi.html" >
< a href = "../concepts/csi.html" >
< b > 3.1.3.3.< / b >
CSI - Container Storage Interface（ ）
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< li class = "chapter " data-level = "3.2" data-path = "../concepts/networking.html" >
< a href = "../concepts/networking.html" >
< b > 3.2.< / b >
Kubernetes 中的网络
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< li class = "chapter " data-level = "3.2.1" data-path = "../concepts/flannel.html" >
< a href = "../concepts/flannel.html" >
< b > 3.2.1.< / b >
Kubernetes 中的网络解析 —— 以 flannel 为例
< / a >
< / li >
< li class = "chapter " data-level = "3.2.2" data-path = "../concepts/calico.html" >
< a href = "../concepts/calico.html" >
< b > 3.2.2.< / b >
Kubernetes 中的网络解析 —— 以 calico 为例
< / a >
< / li >
< li class = "chapter " data-level = "3.2.3" data-path = "../concepts/cilium.html" >
< a href = "../concepts/cilium.html" >
< b > 3.2.3.< / b >
具备 API 感知的网络和安全性管理开源软件 Cilium
< / a >
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< li class = "chapter " data-level = "3.2.3.1" data-path = "../concepts/cilium-concepts.html" >
< a href = "../concepts/cilium-concepts.html" >
< b > 3.2.3.1.< / b >
Cilium 架构设计与概念解析
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< / ul >
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< li class = "chapter " data-level = "3.3" data-path = "../concepts/objects.html" >
< a href = "../concepts/objects.html" >
< b > 3.3.< / b >
资源对象与基本概念解析
< / a >
< / li >
< li class = "chapter " data-level = "3.4" data-path = "../concepts/pod-state-and-lifecycle.html" >
< a href = "../concepts/pod-state-and-lifecycle.html" >
< b > 3.4.< / b >
Pod 状态与生命周期管理
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< li class = "chapter " data-level = "3.4.1" data-path = "../concepts/pod-overview.html" >
< a href = "../concepts/pod-overview.html" >
< b > 3.4.1.< / b >
Pod 概览
< / a >
< / li >
< li class = "chapter " data-level = "3.4.2" data-path = "../concepts/pod.html" >
< a href = "../concepts/pod.html" >
< b > 3.4.2.< / b >
Pod 解析
< / a >
< / li >
< li class = "chapter " data-level = "3.4.3" data-path = "../concepts/init-containers.html" >
< a href = "../concepts/init-containers.html" >
< b > 3.4.3.< / b >
Init 容器
< / a >
< / li >
< li class = "chapter " data-level = "3.4.4" data-path = "../concepts/pause-container.html" >
< a href = "../concepts/pause-container.html" >
< b > 3.4.4.< / b >
Pause 容器
< / a >
< / li >
< li class = "chapter " data-level = "3.4.5" data-path = "../concepts/pod-security-policy.html" >
< a href = "../concepts/pod-security-policy.html" >
< b > 3.4.5.< / b >
Pod 安全策略
< / a >
< / li >
< li class = "chapter " data-level = "3.4.6" data-path = "../concepts/pod-lifecycle.html" >
< a href = "../concepts/pod-lifecycle.html" >
< b > 3.4.6.< / b >
Pod 的生命周期
< / a >
< / li >
< li class = "chapter " data-level = "3.4.7" data-path = "../concepts/pod-hook.html" >
< a href = "../concepts/pod-hook.html" >
< b > 3.4.7.< / b >
Pod Hook
< / a >
< / li >
< li class = "chapter " data-level = "3.4.8" data-path = "../concepts/pod-preset.html" >
< a href = "../concepts/pod-preset.html" >
< b > 3.4.8.< / b >
Pod Preset
< / a >
< / li >
< li class = "chapter " data-level = "3.4.9" data-path = "../concepts/pod-disruption-budget.html" >
< a href = "../concepts/pod-disruption-budget.html" >
< b > 3.4.9.< / b >
Pod 中断与 PDB（
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< li class = "chapter " data-level = "3.5" data-path = "../concepts/cluster.html" >
< a href = "../concepts/cluster.html" >
< b > 3.5.< / b >
集群资源管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.5.1" data-path = "../concepts/node.html" >
< a href = "../concepts/node.html" >
< b > 3.5.1.< / b >
Node
< / a >
< / li >
< li class = "chapter " data-level = "3.5.2" data-path = "../concepts/namespace.html" >
< a href = "../concepts/namespace.html" >
< b > 3.5.2.< / b >
Namespace
< / a >
< / li >
< li class = "chapter " data-level = "3.5.3" data-path = "../concepts/label.html" >
< a href = "../concepts/label.html" >
< b > 3.5.3.< / b >
Label
< / a >
< / li >
< li class = "chapter " data-level = "3.5.4" data-path = "../concepts/annotation.html" >
< a href = "../concepts/annotation.html" >
< b > 3.5.4.< / b >
Annotation
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< / li >
< li class = "chapter " data-level = "3.5.5" data-path = "../concepts/taint-and-toleration.html" >
< a href = "../concepts/taint-and-toleration.html" >
< b > 3.5.5.< / b >
Taint 和 Toleration（ ）
< / a >
< / li >
< li class = "chapter " data-level = "3.5.6" data-path = "../concepts/garbage-collection.html" >
< a href = "../concepts/garbage-collection.html" >
< b > 3.5.6.< / b >
垃圾收集
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< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.6" data-path = "../concepts/controllers.html" >
< a href = "../concepts/controllers.html" >
< b > 3.6.< / b >
控制器
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.6.1" data-path = "../concepts/deployment.html" >
< a href = "../concepts/deployment.html" >
< b > 3.6.1.< / b >
Deployment
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< / li >
< li class = "chapter " data-level = "3.6.2" data-path = "../concepts/statefulset.html" >
< a href = "../concepts/statefulset.html" >
< b > 3.6.2.< / b >
StatefulSet
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< / li >
< li class = "chapter " data-level = "3.6.3" data-path = "../concepts/daemonset.html" >
< a href = "../concepts/daemonset.html" >
< b > 3.6.3.< / b >
DaemonSet
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< / li >
< li class = "chapter " data-level = "3.6.4" data-path = "../concepts/replicaset.html" >
< a href = "../concepts/replicaset.html" >
< b > 3.6.4.< / b >
ReplicationController 和 ReplicaSet
< / a >
< / li >
< li class = "chapter " data-level = "3.6.5" data-path = "../concepts/job.html" >
< a href = "../concepts/job.html" >
< b > 3.6.5.< / b >
Job
< / a >
< / li >
< li class = "chapter " data-level = "3.6.6" data-path = "../concepts/cronjob.html" >
< a href = "../concepts/cronjob.html" >
< b > 3.6.6.< / b >
CronJob
< / a >
< / li >
< li class = "chapter " data-level = "3.6.7" data-path = "../concepts/horizontal-pod-autoscaling.html" >
< a href = "../concepts/horizontal-pod-autoscaling.html" >
< b > 3.6.7.< / b >
Horizontal Pod Autoscaling
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< ul class = "articles" >
< li class = "chapter " data-level = "3.6.7.1" data-path = "../concepts/custom-metrics-hpa.html" >
< a href = "../concepts/custom-metrics-hpa.html" >
< b > 3.6.7.1.< / b >
自定义指标 HPA
< / a >
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< / li >
< li class = "chapter " data-level = "3.6.8" data-path = "../concepts/admission-controller.html" >
< a href = "../concepts/admission-controller.html" >
< b > 3.6.8.< / b >
准入控制器（ ）
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< / ul >
< / li >
< li class = "chapter " data-level = "3.7" data-path = "../concepts/service-discovery.html" >
< a href = "../concepts/service-discovery.html" >
< b > 3.7.< / b >
服务发现
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.7.1" data-path = "../concepts/service.html" >
< a href = "../concepts/service.html" >
< b > 3.7.1.< / b >
Service
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< / li >
< li class = "chapter " data-level = "3.7.2" data-path = "../concepts/ingress.html" >
< a href = "../concepts/ingress.html" >
< b > 3.7.2.< / b >
Ingress
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< ul class = "articles" >
< li class = "chapter " data-level = "3.7.2.1" data-path = "../concepts/traefik-ingress-controller.html" >
< a href = "../concepts/traefik-ingress-controller.html" >
< b > 3.7.2.1.< / b >
Traefik Ingress Controller
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< / li >
< li class = "chapter " data-level = "3.8" data-path = "../concepts/authentication-and-permission.html" >
< a href = "../concepts/authentication-and-permission.html" >
< b > 3.8.< / b >
身份与权限控制
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< ul class = "articles" >
< li class = "chapter " data-level = "3.8.1" data-path = "../concepts/serviceaccount.html" >
< a href = "../concepts/serviceaccount.html" >
< b > 3.8.1.< / b >
ServiceAccount
< / a >
< / li >
< li class = "chapter " data-level = "3.8.2" data-path = "../concepts/rbac.html" >
< a href = "../concepts/rbac.html" >
< b > 3.8.2.< / b >
RBAC—— 基于角色的访问控制
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< / li >
< li class = "chapter " data-level = "3.8.3" data-path = "../concepts/network-policy.html" >
< a href = "../concepts/network-policy.html" >
< b > 3.8.3.< / b >
NetworkPolicy
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< li class = "chapter " data-level = "3.9" data-path = "../concepts/storage.html" >
< a href = "../concepts/storage.html" >
< b > 3.9.< / b >
存储
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< ul class = "articles" >
< li class = "chapter " data-level = "3.9.1" data-path = "../concepts/secret.html" >
< a href = "../concepts/secret.html" >
< b > 3.9.1.< / b >
Secret
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< / li >
< li class = "chapter " data-level = "3.9.2" data-path = "../concepts/configmap.html" >
< a href = "../concepts/configmap.html" >
< b > 3.9.2.< / b >
ConfigMap
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< ul class = "articles" >
< li class = "chapter " data-level = "3.9.2.1" data-path = "../concepts/configmap-hot-update.html" >
< a href = "../concepts/configmap-hot-update.html" >
< b > 3.9.2.1.< / b >
ConfigMap 的热更新
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< li class = "chapter " data-level = "3.9.3" data-path = "../concepts/volume.html" >
< a href = "../concepts/volume.html" >
< b > 3.9.3.< / b >
Volume
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< li class = "chapter " data-level = "3.9.4" data-path = "../concepts/persistent-volume.html" >
< a href = "../concepts/persistent-volume.html" >
< b > 3.9.4.< / b >
Persistent Volume（ ）
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< / li >
< li class = "chapter " data-level = "3.9.5" data-path = "../concepts/storageclass.html" >
< a href = "../concepts/storageclass.html" >
< b > 3.9.5.< / b >
Storage Class
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< li class = "chapter " data-level = "3.9.6" data-path = "../concepts/local-persistent-storage.html" >
< a href = "../concepts/local-persistent-storage.html" >
< b > 3.9.6.< / b >
本地持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.10" data-path = "../concepts/extension.html" >
< a href = "../concepts/extension.html" >
< b > 3.10.< / b >
集群扩展
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.10.1" data-path = "../concepts/custom-resource.html" >
< a href = "../concepts/custom-resource.html" >
< b > 3.10.1.< / b >
使用自定义资源扩展 API
< / a >
< / li >
< li class = "chapter " data-level = "3.10.2" data-path = "../concepts/crd.html" >
< a href = "../concepts/crd.html" >
< b > 3.10.2.< / b >
使用 CRD 扩展 Kubernetes API
< / a >
< / li >
< li class = "chapter " data-level = "3.10.3" data-path = "../concepts/aggregated-api-server.html" >
< a href = "../concepts/aggregated-api-server.html" >
< b > 3.10.3.< / b >
Aggregated API Server
< / a >
< / li >
< li class = "chapter " data-level = "3.10.4" data-path = "../concepts/apiservice.html" >
< a href = "../concepts/apiservice.html" >
< b > 3.10.4.< / b >
APIService
< / a >
< / li >
< li class = "chapter " data-level = "3.10.5" data-path = "../concepts/service-catalog.html" >
< a href = "../concepts/service-catalog.html" >
< b > 3.10.5.< / b >
Service Catalog
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.11" data-path = "../concepts/scheduling.html" >
< a href = "../concepts/scheduling.html" >
< b > 3.11.< / b >
资源调度
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.11.1" data-path = "../concepts/qos.html" >
< a href = "../concepts/qos.html" >
< b > 3.11.1.< / b >
QoS（ ）
< / a >
< / li >
< / ul >
< / li >
< li class = "header" > 用户指南< / li >
< li class = "chapter " data-level = "4.1" data-path = "../guide/" >
< a href = "../guide/" >
< b > 4.1.< / b >
用户指南
< / a >
< / li >
< li class = "chapter " data-level = "4.2" data-path = "../guide/resource-configuration.html" >
< a href = "../guide/resource-configuration.html" >
< b > 4.2.< / b >
资源对象配置
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.2.1" data-path = "../guide/configure-liveness-readiness-probes.html" >
< a href = "../guide/configure-liveness-readiness-probes.html" >
< b > 4.2.1.< / b >
配置 Pod 的 liveness 和 readiness 探针
< / a >
< / li >
< li class = "chapter " data-level = "4.2.2" data-path = "../guide/configure-pod-service-account.html" >
< a href = "../guide/configure-pod-service-account.html" >
< b > 4.2.2.< / b >
配置 Pod 的 Service Account
< / a >
< / li >
< li class = "chapter " data-level = "4.2.3" data-path = "../guide/secret-configuration.html" >
< a href = "../guide/secret-configuration.html" >
< b > 4.2.3.< / b >
Secret 配置
< / a >
< / li >
< li class = "chapter " data-level = "4.2.4" data-path = "../guide/resource-quota-management.html" >
< a href = "../guide/resource-quota-management.html" >
< b > 4.2.4.< / b >
管理 namespace 中的资源配额
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.3" data-path = "../guide/command-usage.html" >
< a href = "../guide/command-usage.html" >
< b > 4.3.< / b >
命令使用
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.3.1" data-path = "../guide/docker-cli-to-kubectl.html" >
< a href = "../guide/docker-cli-to-kubectl.html" >
< b > 4.3.1.< / b >
Docker 用户过渡到 kubectl 命令行指南
< / a >
< / li >
< li class = "chapter " data-level = "4.3.2" data-path = "../guide/using-kubectl.html" >
< a href = "../guide/using-kubectl.html" >
< b > 4.3.2.< / b >
kubectl 命令概览
< / a >
< / li >
< li class = "chapter " data-level = "4.3.3" data-path = "../guide/kubectl-cheatsheet.html" >
< a href = "../guide/kubectl-cheatsheet.html" >
< b > 4.3.3.< / b >
kubectl 命令技巧大全
< / a >
< / li >
< li class = "chapter " data-level = "4.3.4" data-path = "../guide/using-etcdctl-to-access-kubernetes-data.html" >
< a href = "../guide/using-etcdctl-to-access-kubernetes-data.html" >
< b > 4.3.4.< / b >
使用 etcdctl 访问 kubernetes 数据
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.4" data-path = "../guide/cluster-security-management.html" >
< a href = "../guide/cluster-security-management.html" >
< b > 4.4.< / b >
集群安全性管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.4.1" data-path = "../guide/managing-tls-in-a-cluster.html" >
< a href = "../guide/managing-tls-in-a-cluster.html" >
< b > 4.4.1.< / b >
管理集群中的 TLS
< / a >
< / li >
< li class = "chapter " data-level = "4.4.2" data-path = "../guide/kubelet-authentication-authorization.html" >
< a href = "../guide/kubelet-authentication-authorization.html" >
< b > 4.4.2.< / b >
kubelet 的认证授权
< / a >
< / li >
< li class = "chapter " data-level = "4.4.3" data-path = "../guide/tls-bootstrapping.html" >
< a href = "../guide/tls-bootstrapping.html" >
< b > 4.4.3.< / b >
TLS bootstrap
< / a >
< / li >
< li class = "chapter " data-level = "4.4.4" data-path = "../guide/kubectl-user-authentication-authorization.html" >
< a href = "../guide/kubectl-user-authentication-authorization.html" >
< b > 4.4.4.< / b >
创建用户认证授权的 kubeconfig 文件
< / a >
< / li >
< li class = "chapter " data-level = "4.4.5" data-path = "../guide/ip-masq-agent.html" >
< a href = "../guide/ip-masq-agent.html" >
< b > 4.4.5.< / b >
IP 伪装代理
< / a >
< / li >
< li class = "chapter " data-level = "4.4.6" data-path = "../guide/auth-with-kubeconfig-or-token.html" >
< a href = "../guide/auth-with-kubeconfig-or-token.html" >
< b > 4.4.6.< / b >
使用 kubeconfig 或 token 进行用户身份认证
< / a >
< / li >
< li class = "chapter " data-level = "4.4.7" data-path = "../guide/authentication.html" >
< a href = "../guide/authentication.html" >
< b > 4.4.7.< / b >
Kubernetes 中的用户与身份认证授权
< / a >
< / li >
< li class = "chapter " data-level = "4.4.8" data-path = "../guide/kubernetes-security-best-practice.html" >
< a href = "../guide/kubernetes-security-best-practice.html" >
< b > 4.4.8.< / b >
Kubernetes 集群安全性配置最佳实践
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.5" data-path = "../guide/access-kubernetes-cluster.html" >
< a href = "../guide/access-kubernetes-cluster.html" >
< b > 4.5.< / b >
访问 Kubernetes 集群
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.5.1" data-path = "../guide/access-cluster.html" >
< a href = "../guide/access-cluster.html" >
< b > 4.5.1.< / b >
访问集群
< / a >
< / li >
< li class = "chapter " data-level = "4.5.2" data-path = "../guide/authenticate-across-clusters-kubeconfig.html" >
< a href = "../guide/authenticate-across-clusters-kubeconfig.html" >
< b > 4.5.2.< / b >
使用 kubeconfig 文件配置跨集群认证
< / a >
< / li >
< li class = "chapter " data-level = "4.5.3" data-path = "../guide/connecting-to-applications-port-forward.html" >
< a href = "../guide/connecting-to-applications-port-forward.html" >
< b > 4.5.3.< / b >
通过端口转发访问集群中的应用程序
< / a >
< / li >
< li class = "chapter " data-level = "4.5.4" data-path = "../guide/service-access-application-cluster.html" >
< a href = "../guide/service-access-application-cluster.html" >
< b > 4.5.4.< / b >
使用 service 访问群集中的应用程序
< / a >
< / li >
< li class = "chapter " data-level = "4.5.5" data-path = "../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html" >
< a href = "../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html" >
< b > 4.5.5.< / b >
从外部访问 Kubernetes 中的 Pod
< / a >
< / li >
< li class = "chapter " data-level = "4.5.6" data-path = "../guide/cabin-mobile-dashboard-for-kubernetes.html" >
< a href = "../guide/cabin-mobile-dashboard-for-kubernetes.html" >
< b > 4.5.6.< / b >
Cabin - Kubernetes 手机客户端
< / a >
< / li >
< li class = "chapter " data-level = "4.5.7" data-path = "../guide/kubernetes-desktop-client.html" >
< a href = "../guide/kubernetes-desktop-client.html" >
< b > 4.5.7.< / b >
Kubernetic - Kubernetes 桌面客户端
< / a >
< / li >
< li class = "chapter " data-level = "4.5.8" data-path = "../guide/kubernator-kubernetes-ui.html" >
< a href = "../guide/kubernator-kubernetes-ui.html" >
< b > 4.5.8.< / b >
Kubernator - 更底层的 Kubernetes UI
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.6" data-path = "../guide/application-development-deployment-flow.html" >
< a href = "../guide/application-development-deployment-flow.html" >
< b > 4.6.< / b >
在 Kubernetes 中开发部署应用
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.6.1" data-path = "../guide/deploy-applications-in-kubernetes.html" >
< a href = "../guide/deploy-applications-in-kubernetes.html" >
< b > 4.6.1.< / b >
适用于 kubernetes 的应用开发部署流程
< / a >
< / li >
< li class = "chapter " data-level = "4.6.2" data-path = "../guide/migrating-hadoop-yarn-to-kubernetes.html" >
< a href = "../guide/migrating-hadoop-yarn-to-kubernetes.html" >
< b > 4.6.2.< / b >
迁移传统应用到 Kubernetes 中 —— 以 Hadoop YARN 为例
< / a >
< / li >
< li class = "chapter " data-level = "4.6.3" data-path = "../guide/using-statefulset.html" >
< a href = "../guide/using-statefulset.html" >
< b > 4.6.3.< / b >
使用 StatefulSet 部署用状态应用
< / a >
< / li >
< / ul >
< / li >
< li class = "header" > 最佳实践< / li >
< li class = "chapter " data-level = "5.1" data-path = "../practice/" >
< a href = "../practice/" >
< b > 5.1.< / b >
最佳实践概览
< / a >
< / li >
< li class = "chapter " data-level = "5.2" data-path = "../practice/install-kubernetes-on-centos.html" >
< a href = "../practice/install-kubernetes-on-centos.html" >
< b > 5.2.< / b >
在 CentOS 上部署 Kubernetes 集群
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.2.1" data-path = "../practice/create-tls-and-secret-key.html" >
< a href = "../practice/create-tls-and-secret-key.html" >
< b > 5.2.1.< / b >
创建 TLS 证书和秘钥
< / a >
< / li >
< li class = "chapter " data-level = "5.2.2" data-path = "../practice/create-kubeconfig.html" >
< a href = "../practice/create-kubeconfig.html" >
< b > 5.2.2.< / b >
创建 kubeconfig 文件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.3" data-path = "../practice/etcd-cluster-installation.html" >
< a href = "../practice/etcd-cluster-installation.html" >
< b > 5.2.3.< / b >
创建高可用 etcd 集群
< / a >
< / li >
< li class = "chapter " data-level = "5.2.4" data-path = "../practice/kubectl-installation.html" >
< a href = "../practice/kubectl-installation.html" >
< b > 5.2.4.< / b >
安装 kubectl 命令行工具
< / a >
< / li >
< li class = "chapter " data-level = "5.2.5" data-path = "../practice/master-installation.html" >
< a href = "../practice/master-installation.html" >
< b > 5.2.5.< / b >
部署 master 节点
< / a >
< / li >
< li class = "chapter " data-level = "5.2.6" data-path = "../practice/flannel-installation.html" >
< a href = "../practice/flannel-installation.html" >
< b > 5.2.6.< / b >
安装 flannel 网络插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.7" data-path = "../practice/node-installation.html" >
< a href = "../practice/node-installation.html" >
< b > 5.2.7.< / b >
部署 node 节点
< / a >
< / li >
< li class = "chapter " data-level = "5.2.8" data-path = "../practice/kubedns-addon-installation.html" >
< a href = "../practice/kubedns-addon-installation.html" >
< b > 5.2.8.< / b >
安装 kubedns 插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.9" data-path = "../practice/dashboard-addon-installation.html" >
< a href = "../practice/dashboard-addon-installation.html" >
< b > 5.2.9.< / b >
安装 dashboard 插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.10" data-path = "../practice/heapster-addon-installation.html" >
< a href = "../practice/heapster-addon-installation.html" >
< b > 5.2.10.< / b >
安装 heapster 插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.11" data-path = "../practice/efk-addon-installation.html" >
< a href = "../practice/efk-addon-installation.html" >
< b > 5.2.11.< / b >
安装 EFK 插件
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.3" data-path = "../practice/install-kubernetes-with-kubeadm.html" >
< a href = "../practice/install-kubernetes-with-kubeadm.html" >
< b > 5.3.< / b >
生产级的 Kubernetes 简化管理工具 kubeadm
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.3.1" data-path = "../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html" >
< a href = "../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html" >
< b > 5.3.1.< / b >
使用 kubeadm 在 Ubuntu Server 16.04 上快速构建测试集群
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.4" data-path = "../practice/service-discovery-and-loadbalancing.html" >
< a href = "../practice/service-discovery-and-loadbalancing.html" >
< b > 5.4.< / b >
服务发现与负载均衡
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.4.1" data-path = "../practice/traefik-ingress-installation.html" >
< a href = "../practice/traefik-ingress-installation.html" >
< b > 5.4.1.< / b >
安装 Traefik ingress
< / a >
< / li >
< li class = "chapter " data-level = "5.4.2" data-path = "../practice/distributed-load-test.html" >
< a href = "../practice/distributed-load-test.html" >
< b > 5.4.2.< / b >
分布式负载测试
< / a >
< / li >
< li class = "chapter " data-level = "5.4.3" data-path = "../practice/network-and-cluster-perfermance-test.html" >
< a href = "../practice/network-and-cluster-perfermance-test.html" >
< b > 5.4.3.< / b >
网络和集群性能测试
< / a >
< / li >
< li class = "chapter " data-level = "5.4.4" data-path = "../practice/edge-node-configuration.html" >
< a href = "../practice/edge-node-configuration.html" >
< b > 5.4.4.< / b >
边缘节点配置
< / a >
< / li >
< li class = "chapter " data-level = "5.4.5" data-path = "../practice/nginx-ingress-installation.html" >
< a href = "../practice/nginx-ingress-installation.html" >
< b > 5.4.5.< / b >
安装 Nginx ingress
< / a >
< / li >
< li class = "chapter " data-level = "5.4.6" data-path = "../practice/dns-installation.html" >
< a href = "../practice/dns-installation.html" >
< b > 5.4.6.< / b >
安装配置 DNS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.4.6.1" data-path = "../practice/configuring-dns.html" >
< a href = "../practice/configuring-dns.html" >
< b > 5.4.6.1.< / b >
安装配置 Kube-dns
< / a >
< / li >
< li class = "chapter " data-level = "5.4.6.2" data-path = "../practice/coredns.html" >
< a href = "../practice/coredns.html" >
< b > 5.4.6.2.< / b >
安装配置 CoreDNS
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.5" data-path = "../practice/operation.html" >
< a href = "../practice/operation.html" >
< b > 5.5.< / b >
运维管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.5.1" data-path = "../practice/master-ha.html" >
< a href = "../practice/master-ha.html" >
< b > 5.5.1.< / b >
Master 节点高可用
< / a >
< / li >
< li class = "chapter " data-level = "5.5.2" data-path = "../practice/service-rolling-update.html" >
< a href = "../practice/service-rolling-update.html" >
< b > 5.5.2.< / b >
服务滚动升级
< / a >
< / li >
< li class = "chapter " data-level = "5.5.3" data-path = "../practice/app-log-collection.html" >
< a href = "../practice/app-log-collection.html" >
< b > 5.5.3.< / b >
应用日志收集
< / a >
< / li >
< li class = "chapter " data-level = "5.5.4" data-path = "../practice/configuration-best-practice.html" >
< a href = "../practice/configuration-best-practice.html" >
< b > 5.5.4.< / b >
配置最佳实践
< / a >
< / li >
< li class = "chapter " data-level = "5.5.5" data-path = "../practice/monitor.html" >
< a href = "../practice/monitor.html" >
< b > 5.5.5.< / b >
集群及应用监控
< / a >
< / li >
< li class = "chapter " data-level = "5.5.6" data-path = "../practice/data-persistence-problem.html" >
< a href = "../practice/data-persistence-problem.html" >
< b > 5.5.6.< / b >
数据持久化问题
< / a >
< / li >
< li class = "chapter " data-level = "5.5.7" data-path = "../practice/manage-compute-resources-container.html" >
< a href = "../practice/manage-compute-resources-container.html" >
< b > 5.5.7.< / b >
管理容器的计算资源
< / a >
< / li >
< li class = "chapter " data-level = "5.5.8" data-path = "../practice/federation.html" >
< a href = "../practice/federation.html" >
< b > 5.5.8.< / b >
集群联邦
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6" data-path = "../practice/storage.html" >
< a href = "../practice/storage.html" >
< b > 5.6.< / b >
存储管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.1" data-path = "../practice/glusterfs.html" >
< a href = "../practice/glusterfs.html" >
< b > 5.6.1.< / b >
GlusterFS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.1.1" data-path = "../practice/using-glusterfs-for-persistent-storage.html" >
< a href = "../practice/using-glusterfs-for-persistent-storage.html" >
< b > 5.6.1.1.< / b >
使用 GlusterFS 做持久化存储
< / a >
< / li >
< li class = "chapter " data-level = "5.6.1.2" data-path = "../practice/using-heketi-gluster-for-persistent-storage.html" >
< a href = "../practice/using-heketi-gluster-for-persistent-storage.html" >
< b > 5.6.1.2.< / b >
使用 Heketi 作为 Kubernetes 的持久存储 GlusterFS 的 external provisioner
< / a >
< / li >
< li class = "chapter " data-level = "5.6.1.3" data-path = "../practice/storage-for-containers-using-glusterfs-with-openshift.html" >
< a href = "../practice/storage-for-containers-using-glusterfs-with-openshift.html" >
< b > 5.6.1.3.< / b >
在 OpenShift 中使用 GlusterFS 做持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6.2" data-path = "../practice/glusterd-2.0.html" >
< a href = "../practice/glusterd-2.0.html" >
< b > 5.6.2.< / b >
GlusterD-2.0
< / a >
< / li >
< li class = "chapter " data-level = "5.6.3" data-path = "../practice/ceph.html" >
< a href = "../practice/ceph.html" >
< b > 5.6.3.< / b >
Ceph
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.3.1" data-path = "../practice/ceph-helm-install-guide-zh.html" >
< a href = "../practice/ceph-helm-install-guide-zh.html" >
< b > 5.6.3.1.< / b >
用 Helm 托管安装 Ceph 集群并提供后端存储
< / a >
< / li >
< li class = "chapter " data-level = "5.6.3.2" data-path = "../practice/using-ceph-for-persistent-storage.html" >
< a href = "../practice/using-ceph-for-persistent-storage.html" >
< b > 5.6.3.2.< / b >
使用 Ceph 做持久化存储
< / a >
< / li >
< li class = "chapter " data-level = "5.6.3.3" data-path = "../practice/rbd-provisioner.html" >
< a href = "../practice/rbd-provisioner.html" >
< b > 5.6.3.3.< / b >
使用 rbd-provisioner 提供 rbd 持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6.4" data-path = "../practice/openebs.html" >
< a href = "../practice/openebs.html" >
< b > 5.6.4.< / b >
OpenEBS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.4.1" data-path = "../practice/using-openebs-for-persistent-storage.html" >
< a href = "../practice/using-openebs-for-persistent-storage.html" >
< b > 5.6.4.1.< / b >
使用 OpenEBS 做持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6.5" data-path = "../practice/rook.html" >
< a href = "../practice/rook.html" >
< b > 5.6.5.< / b >
Rook
< / a >
< / li >
< li class = "chapter " data-level = "5.6.6" data-path = "../practice/nfs.html" >
< a href = "../practice/nfs.html" >
< b > 5.6.6.< / b >
NFS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.6.1" data-path = "../practice/using-nfs-for-persistent-storage.html" >
< a href = "../practice/using-nfs-for-persistent-storage.html" >
< b > 5.6.6.1.< / b >
利用 NFS 动态提供 Kubernetes 后端存储卷
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.7" data-path = "../practice/monitoring.html" >
< a href = "../practice/monitoring.html" >
< b > 5.7.< / b >
集群与应用监控
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.7.1" data-path = "../practice/heapster.html" >
< a href = "../practice/heapster.html" >
< b > 5.7.1.< / b >
Heapster
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.7.1.1" data-path = "../practice/using-heapster-to-get-object-metrics.html" >
< a href = "../practice/using-heapster-to-get-object-metrics.html" >
< b > 5.7.1.1.< / b >
使用 Heapster 获取集群和对象的 metric 数据
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.7.2" data-path = "../practice/prometheus.html" >
< a href = "../practice/prometheus.html" >
< b > 5.7.2.< / b >
Prometheus
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.7.2.1" data-path = "../practice/using-prometheus-to-monitor-kuberentes-cluster.html" >
< a href = "../practice/using-prometheus-to-monitor-kuberentes-cluster.html" >
< b > 5.7.2.1.< / b >
使用 Prometheus 监控 kubernetes 集群
< / a >
< / li >
< li class = "chapter " data-level = "5.7.2.2" data-path = "../practice/promql.html" >
< a href = "../practice/promql.html" >
< b > 5.7.2.2.< / b >
Prometheus 查询语言 PromQL 使用说明
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.7.3" data-path = "../practice/vistio-visualize-your-istio-mesh.html" >
< a href = "../practice/vistio-visualize-your-istio-mesh.html" >
< b > 5.7.3.< / b >
使用 Vistio 监控 Istio 服务网格中的流量
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.8" data-path = "../practice/distributed-tracing.html" >
< a href = "../practice/distributed-tracing.html" >
< b > 5.8.< / b >
分布式跟踪
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.8.1" data-path = "../practice/opentracing.html" >
< a href = "../practice/opentracing.html" >
< b > 5.8.1.< / b >
OpenTracing
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.9" data-path = "../practice/services-management-tool.html" >
< a href = "../practice/services-management-tool.html" >
< b > 5.9.< / b >
服务编排管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.9.1" data-path = "../practice/helm.html" >
< a href = "../practice/helm.html" >
< b > 5.9.1.< / b >
使用 Helm 管理 Kubernetes 应用
< / a >
< / li >
< li class = "chapter " data-level = "5.9.2" data-path = "../practice/create-private-charts-repo.html" >
< a href = "../practice/create-private-charts-repo.html" >
< b > 5.9.2.< / b >
构建私有 Chart 仓库
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.10" data-path = "../practice/ci-cd.html" >
< a href = "../practice/ci-cd.html" >
< b > 5.10.< / b >
持续集成与发布
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.10.1" data-path = "../practice/jenkins-ci-cd.html" >
< a href = "../practice/jenkins-ci-cd.html" >
< b > 5.10.1.< / b >
使用 Jenkins 进行持续集成与发布
< / a >
< / li >
< li class = "chapter " data-level = "5.10.2" data-path = "../practice/drone-ci-cd.html" >
< a href = "../practice/drone-ci-cd.html" >
< b > 5.10.2.< / b >
使用 Drone 进行持续集成与发布
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.11" data-path = "../practice/update-and-upgrade.html" >
< a href = "../practice/update-and-upgrade.html" >
< b > 5.11.< / b >
更新与升级
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.11.1" data-path = "../practice/manually-upgrade.html" >
< a href = "../practice/manually-upgrade.html" >
< b > 5.11.1.< / b >
手动升级 Kubernetes 集群
< / a >
< / li >
< li class = "chapter " data-level = "5.11.2" data-path = "../practice/dashboard-upgrade.html" >
< a href = "../practice/dashboard-upgrade.html" >
< b > 5.11.2.< / b >
升级 dashboard
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.12" data-path = "../practice/controller-extended.html" >
< a href = "../practice/controller-extended.html" >
< b > 5.12.< / b >
扩展控制器
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.12.1" data-path = "../practice/openkruise.html" >
< a href = "../practice/openkruise.html" >
< b > 5.12.1.< / b >
OpenKruise
< / a >
< / li >
< / ul >
< / li >
< li class = "header" > 领域应用< / li >
< li class = "chapter " data-level = "6.1" data-path = "../usecases/" >
< a href = "../usecases/" >
< b > 6.1.< / b >
领域应用概览
< / a >
< / li >
< li class = "chapter " data-level = "6.2" data-path = "../usecases/microservices.html" >
< a href = "../usecases/microservices.html" >
< b > 6.2.< / b >
微服务架构
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.2.1" data-path = "../usecases/service-discovery-in-microservices.html" >
< a href = "../usecases/service-discovery-in-microservices.html" >
< b > 6.2.1.< / b >
微服务中的服务发现
< / a >
< / li >
< li class = "chapter " data-level = "6.2.2" data-path = "../usecases/microservices-for-java-developers.html" >
< a href = "../usecases/microservices-for-java-developers.html" >
< b > 6.2.2.< / b >
使用 Java 构建微服务并发布到 Kubernetes 平台
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.2.2.1" data-path = "../usecases/spring-boot-quick-start-guide.html" >
< a href = "../usecases/spring-boot-quick-start-guide.html" >
< b > 6.2.2.1.< / b >
Spring Boot 快速开始指南
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3" data-path = "../usecases/service-mesh.html" >
< a href = "../usecases/service-mesh.html" >
< b > 6.3.< / b >
Service Mesh 服务网格
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.1" data-path = "../usecases/the-enterprise-path-to-service-mesh-architectures.html" >
< a href = "../usecases/the-enterprise-path-to-service-mesh-architectures.html" >
< b > 6.3.1.< / b >
企业级服务网格架构
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.1.1" data-path = "../usecases/service-mesh-fundamental.html" >
< a href = "../usecases/service-mesh-fundamental.html" >
< b > 6.3.1.1.< / b >
Service Mesh 基础
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.2" data-path = "../usecases/comparing-service-mesh-technologies.html" >
< a href = "../usecases/comparing-service-mesh-technologies.html" >
< b > 6.3.1.2.< / b >
Service Mesh 技术对比
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.3" data-path = "../usecases/service-mesh-adoption-and-evolution.html" >
< a href = "../usecases/service-mesh-adoption-and-evolution.html" >
< b > 6.3.1.3.< / b >
采纳和演进
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.4" data-path = "../usecases/service-mesh-customization-and-integration.html" >
< a href = "../usecases/service-mesh-customization-and-integration.html" >
< b > 6.3.1.4.< / b >
定制和集成
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.5" data-path = "../usecases/service-mesh-conclusion.html" >
< a href = "../usecases/service-mesh-conclusion.html" >
< b > 6.3.1.5.< / b >
总结
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.2" data-path = "../usecases/istio.html" >
< a href = "../usecases/istio.html" >
< b > 6.3.2.< / b >
Istio
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.2.1" data-path = "../usecases/istio-installation.html" >
< a href = "../usecases/istio-installation.html" >
< b > 6.3.2.1.< / b >
安装并试用 Istio service mesh
< / a >
< / li >
< li class = "chapter " data-level = "6.3.2.2" data-path = "../usecases/sidecar-spec-in-istio.html" >
< a href = "../usecases/sidecar-spec-in-istio.html" >
< b > 6.3.2.2.< / b >
Istio 中 sidecar 的注入规范及示例
< / a >
< / li >
< li class = "chapter " data-level = "6.3.2.3" data-path = "../usecases/istio-community-tips.html" >
< a href = "../usecases/istio-community-tips.html" >
< b > 6.3.2.3.< / b >
如何参与 Istio 社区及注意事项
< / a >
< / li >
< li class = "chapter " data-level = "6.3.2.4" data-path = "../usecases/istio-tutorials-collection.html" >
< a href = "../usecases/istio-tutorials-collection.html" >
< b > 6.3.2.4.< / b >
Istio 免费学习资源汇总
< / a >
< / li >
< li class = "chapter " data-level = "6.3.2.5" data-path = "../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html" >
< a href = "../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html" >
< b > 6.3.2.5.< / b >
Sidecar 的注入与流量劫持
< / a >
< / li >
< li class = "chapter " data-level = "6.3.2.6" data-path = "../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html" >
< a href = "../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html" >
< b > 6.3.2.6.< / b >
Envoy Sidecar 代理的路由转发
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.3" data-path = "../usecases/linkerd.html" >
< a href = "../usecases/linkerd.html" >
< b > 6.3.3.< / b >
Linkerd
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.3.1" data-path = "../usecases/linkerd-user-guide.html" >
< a href = "../usecases/linkerd-user-guide.html" >
< b > 6.3.3.1.< / b >
Linkerd 使用指南
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.4" data-path = "../usecases/conduit.html" >
< a href = "../usecases/conduit.html" >
< b > 6.3.4.< / b >
Conduit
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.4.1" data-path = "../usecases/conduit-overview.html" >
< a href = "../usecases/conduit-overview.html" >
< b > 6.3.4.1.< / b >
Condiut 概览
< / a >
< / li >
< li class = "chapter " data-level = "6.3.4.2" data-path = "../usecases/conduit-installation.html" >
< a href = "../usecases/conduit-installation.html" >
< b > 6.3.4.2.< / b >
安装 Conduit
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.5" data-path = "../usecases/envoy.html" >
< a href = "../usecases/envoy.html" >
< b > 6.3.5.< / b >
Envoy
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.5.1" data-path = "../usecases/envoy-terminology.html" >
< a href = "../usecases/envoy-terminology.html" >
< b > 6.3.5.1.< / b >
Envoy 的架构与基本术语
< / a >
< / li >
< li class = "chapter " data-level = "6.3.5.2" data-path = "../usecases/envoy-front-proxy.html" >
< a href = "../usecases/envoy-front-proxy.html" >
< b > 6.3.5.2.< / b >
Envoy 作为前端代理
< / a >
< / li >
< li class = "chapter " data-level = "6.3.5.3" data-path = "../usecases/envoy-mesh-in-kubernetes-tutorial.html" >
< a href = "../usecases/envoy-mesh-in-kubernetes-tutorial.html" >
< b > 6.3.5.3.< / b >
Envoy mesh 教程
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.6" data-path = "../usecases/mosn.html" >
< a href = "../usecases/mosn.html" >
< b > 6.3.6.< / b >
MOSN
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.4" data-path = "../usecases/big-data.html" >
< a href = "../usecases/big-data.html" >
< b > 6.4.< / b >
大数据
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.4.1" data-path = "../usecases/spark-standalone-on-kubernetes.html" >
< a href = "../usecases/spark-standalone-on-kubernetes.html" >
< b > 6.4.1.< / b >
Spark standalone on Kubernetes
< / a >
< / li >
< li class = "chapter " data-level = "6.4.2" data-path = "../usecases/running-spark-with-kubernetes-native-scheduler.html" >
< a href = "../usecases/running-spark-with-kubernetes-native-scheduler.html" >
< b > 6.4.2.< / b >
运行支持 Kubernetes 原生调度的 Spark 程序
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.5" data-path = "../usecases/serverless.html" >
< a href = "../usecases/serverless.html" >
< b > 6.5.< / b >
Serverless 架构
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.5.1" data-path = "../usecases/understanding-serverless.html" >
< a href = "../usecases/understanding-serverless.html" >
< b > 6.5.1.< / b >
理解 Serverless
< / a >
< / li >
< li class = "chapter " data-level = "6.5.2" data-path = "../usecases/faas.html" >
< a href = "../usecases/faas.html" >
< b > 6.5.2.< / b >
FaaS（ ）
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.5.2.1" data-path = "../usecases/openfaas-quick-start.html" >
< a href = "../usecases/openfaas-quick-start.html" >
< b > 6.5.2.1.< / b >
OpenFaaS 快速入门指南
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.5.3" data-path = "../usecases/knative.html" >
< a href = "../usecases/knative.html" >
< b > 6.5.3.< / b >
Knative
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.6" data-path = "../usecases/cloud-native-app-standard.html" >
< a href = "../usecases/cloud-native-app-standard.html" >
< b > 6.6.< / b >
云原生应用标准
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.6.1" data-path = "../usecases/oam.html" >
< a href = "../usecases/oam.html" >
< b > 6.6.1.< / b >
OAM（ ）
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.7" data-path = "../usecases/edge-computing.html" >
< a href = "../usecases/edge-computing.html" >
< b > 6.7.< / b >
边缘计算
< / a >
< / li >
< li class = "chapter " data-level = "6.8" data-path = "../usecases/ai.html" >
< a href = "../usecases/ai.html" >
< b > 6.8.< / b >
人工智能
< / a >
< / li >
< li class = "header" > 开发指南< / li >
< li class = "chapter " data-level = "7.1" data-path = "./" >
< a href = "./" >
< b > 7.1.< / b >
开发指南概览
< / a >
< / li >
< li class = "chapter " data-level = "7.2" data-path = "sigs-and-working-group.html" >
< a href = "sigs-and-working-group.html" >
< b > 7.2.< / b >
SIG 和工作组
< / a >
< / li >
< li class = "chapter " data-level = "7.3" data-path = "developing-environment.html" >
< a href = "developing-environment.html" >
< b > 7.3.< / b >
开发环境搭建
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "7.3.1" data-path = "using-vagrant-and-virtualbox-for-development.html" >
< a href = "using-vagrant-and-virtualbox-for-development.html" >
< b > 7.3.1.< / b >
本地分布式开发环境搭建（使用 Vagrant 和 Virtualbox）
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "7.4" data-path = "testing.html" >
< a href = "testing.html" >
< b > 7.4.< / b >
单元测试和集成测试
< / a >
< / li >
< li class = "chapter " data-level = "7.5" data-path = "client-go-sample.html" >
< a href = "client-go-sample.html" >
< b > 7.5.< / b >
client-go 示例
< / a >
< / li >
< li class = "chapter " data-level = "7.6" data-path = "operator.html" >
< a href = "operator.html" >
< b > 7.6.< / b >
Operator
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "7.6.1" data-path = "operator-sdk.html" >
< a href = "operator-sdk.html" >
< b > 7.6.1.< / b >
operator-sdk
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "7.7" data-path = "kubebuilder.html" >
< a href = "kubebuilder.html" >
< b > 7.7.< / b >
kubebuilder
< / a >
< ul class = "articles" >
< li class = "chapter active" data-level = "7.7.1" data-path = "kubebuilder-example.html" >
< a href = "kubebuilder-example.html" >
< b > 7.7.1.< / b >
使用 kubebuilder 创建 operator 示例
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "7.8" data-path = "advance-developer.html" >
< a href = "advance-developer.html" >
< b > 7.8.< / b >
高级开发指南
< / a >
< / li >
< li class = "chapter " data-level = "7.9" data-path = "contribute.html" >
< a href = "contribute.html" >
< b > 7.9.< / b >
社区贡献
< / a >
< / li >
< li class = "chapter " data-level = "7.10" data-path = "minikube.html" >
< a href = "minikube.html" >
< b > 7.10.< / b >
Minikube
< / a >
< / li >
< li class = "header" > CNCF（ ） < / li >
< li class = "chapter " data-level = "8.1" data-path = "../cloud-native/cncf.html" >
< a href = "../cloud-native/cncf.html" >
< b > 8.1.< / b >
CNCF - 云原生计算基金会简介
< / a >
< / li >
< li class = "chapter " data-level = "8.2" data-path = "../cloud-native/cncf-charter.html" >
< a href = "../cloud-native/cncf-charter.html" >
< b > 8.2.< / b >
CNCF 章程
< / a >
< / li >
< li class = "chapter " data-level = "8.3" data-path = "../cloud-native/cncf-sig.html" >
< a href = "../cloud-native/cncf-sig.html" >
< b > 8.3.< / b >
CNCF 特别兴趣小组（ ）
< / a >
< / li >
< li class = "chapter " data-level = "8.4" data-path = "../cloud-native/cncf-sandbox-criteria.html" >
< a href = "../cloud-native/cncf-sandbox-criteria.html" >
< b > 8.4.< / b >
开源项目加入 CNCF Sandbox 的要求
< / a >
< / li >
< li class = "chapter " data-level = "8.5" data-path = "../cloud-native/cncf-project-governing.html" >
< a href = "../cloud-native/cncf-project-governing.html" >
< b > 8.5.< / b >
CNCF 中的项目治理
< / a >
< / li >
< li class = "chapter " data-level = "8.6" data-path = "../cloud-native/cncf-ambassador.html" >
< a href = "../cloud-native/cncf-ambassador.html" >
< b > 8.6.< / b >
CNCF Ambassador
< / a >
< / li >
< li class = "header" > 附录< / li >
< li class = "chapter " data-level = "9.1" data-path = "../appendix/" >
< a href = "../appendix/" >
< b > 9.1.< / b >
附录说明
< / a >
< / li >
< li class = "chapter " data-level = "9.2" data-path = "../appendix/debug-kubernetes-services.html" >
< a href = "../appendix/debug-kubernetes-services.html" >
< b > 9.2.< / b >
Kubernetes 中的应用故障排查
< / a >
< / li >
< li class = "chapter " data-level = "9.3" data-path = "../appendix/material-share.html" >
< a href = "../appendix/material-share.html" >
< b > 9.3.< / b >
Kubernetes 相关资讯和情报链接
< / a >
< / li >
< li class = "chapter " data-level = "9.4" data-path = "../appendix/docker-best-practice.html" >
< a href = "../appendix/docker-best-practice.html" >
< b > 9.4.< / b >
Docker 最佳实践
< / a >
< / li >
< li class = "chapter " data-level = "9.5" data-path = "../appendix/tricks.html" >
< a href = "../appendix/tricks.html" >
< b > 9.5.< / b >
使用技巧
< / a >
< / li >
< li class = "chapter " data-level = "9.6" data-path = "../appendix/issues.html" >
< a href = "../appendix/issues.html" >
< b > 9.6.< / b >
问题记录
< / a >
< / li >
< li class = "chapter " data-level = "9.7" data-path = "../appendix/kubernetes-changelog.html" >
< a href = "../appendix/kubernetes-changelog.html" >
< b > 9.7.< / b >
Kubernetes 版本更新日志
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "9.7.1" data-path = "../appendix/kubernetes-1.7-changelog.html" >
< a href = "../appendix/kubernetes-1.7-changelog.html" >
< b > 9.7.1.< / b >
Kubernetes1.7 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.2" data-path = "../appendix/kubernetes-1.8-changelog.html" >
< a href = "../appendix/kubernetes-1.8-changelog.html" >
< b > 9.7.2.< / b >
Kubernetes1.8 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.3" data-path = "../appendix/kubernetes-1.9-changelog.html" >
< a href = "../appendix/kubernetes-1.9-changelog.html" >
< b > 9.7.3.< / b >
Kubernetes1.9 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.4" data-path = "../appendix/kubernetes-1.10-changelog.html" >
< a href = "../appendix/kubernetes-1.10-changelog.html" >
< b > 9.7.4.< / b >
Kubernetes1.10 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.5" data-path = "../appendix/kubernetes-1.11-changelog.html" >
< a href = "../appendix/kubernetes-1.11-changelog.html" >
< b > 9.7.5.< / b >
Kubernetes1.11 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.6" data-path = "../appendix/kubernetes-1.12-changelog.html" >
< a href = "../appendix/kubernetes-1.12-changelog.html" >
< b > 9.7.6.< / b >
Kubernetes1.12 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.7" data-path = "../appendix/kubernetes-1.13-changelog.html" >
< a href = "../appendix/kubernetes-1.13-changelog.html" >
< b > 9.7.7.< / b >
Kubernetes1.13 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.8" data-path = "../appendix/kubernetes-1.14-changelog.html" >
< a href = "../appendix/kubernetes-1.14-changelog.html" >
< b > 9.7.8.< / b >
Kubernetes1.14 更新日志
< / a >
< / li >
< li class = "chapter " data-level = "9.7.9" data-path = "../appendix/kubernetes-1.15-changelog.html" >
< a href = "../appendix/kubernetes-1.15-changelog.html" >
< b > 9.7.9.< / b >
Kubernetes1.15 更新日志
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "9.8" data-path = "../appendix/summary-and-outlook.html" >
< a href = "../appendix/summary-and-outlook.html" >
< b > 9.8.< / b >
Kubernetes 及云原生年度总结及展望
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "9.8.1" data-path = "../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html" >
< a href = "../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html" >
< b > 9.8.1.< / b >
Kubernetes 与云原生 2017 年年终总结及 2018 年展望
< / a >
< / li >
< li class = "chapter " data-level = "9.8.2" data-path = "../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html" >
< a href = "../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html" >
< b > 9.8.2.< / b >
Kubernetes 与云原生 2018 年年终总结及 2019 年展望
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "9.9" data-path = "../appendix/cncf-annual-report.html" >
< a href = "../appendix/cncf-annual-report.html" >
< b > 9.9.< / b >
CNCF 年度报告解读
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "9.9.1" data-path = "../appendix/cncf-annual-report-2018.html" >
< a href = "../appendix/cncf-annual-report-2018.html" >
< b > 9.9.1.< / b >
CNCF 2018 年年度报告解读
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "9.10" data-path = "../appendix/about-kcsp.html" >
< a href = "../appendix/about-kcsp.html" >
< b > 9.10.< / b >
Kubernetes 认证服务提供商（ ）
< / a >
< / li >
< li class = "chapter " data-level = "9.11" data-path = "../appendix/about-cka-candidate.html" >
< a href = "../appendix/about-cka-candidate.html" >
< b > 9.11.< / b >
认证 Kubernetes 管理员（ ）
< / a >
< / li >
< li class = "divider" > < / li >
< li >
< a href = "https://www.gitbook.com" target = "blank" class = "gitbook-link" >
本书使用 GitBook 发布
< / a >
< / li >
< / ul >
< / nav >
< / div >
< div class = "book-body" >
< div class = "body-inner" >
< div class = "book-header" role = "navigation" >
<!-- Title -->
< h1 >
< i class = "fa fa-circle-o-notch fa-spin" > < / i >
< a href = ".." > 使用 kubebuilder 创建 operator 示例< / a >
< / h1 >
< / div >
< div class = "page-wrapper" tabindex = "-1" role = "main" >
< div class = "page-inner" >
< div class = "search-plus" id = "book-search-results" >
< div class = "search-noresults" >
< section class = "normal markdown-section" >
< h1 id = "使用-kubebuilder-创建-operator-示例" > 使 用 kubebuilder 创 建 operator 示 例 < / h1 >
< p > 本 文 作 为 Kubebuilder 教 程 ， 将 指 导 您 如 何 使 用 kubebuilder 创 建 一 个 Kubernetes Operator。 < / p >
< h2 id = "准备" > 准 备 < / h2 >
< p > 本 文 中 的 示 例 运 行 环 境 及 相 关 软 件 版 本 如 下 ： < / 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 > 使 用 Minikube 安 装 Kubernetes 集 群 ， Kubernetes 安 装 好 后 ， 检 查 集 群 是 否 可 用 。 < / p >
< h3 id = "minikube-的-dns-解析问题" > Minikube 的 DNS 解 析 问 题 < / h3 >
< p > 如 果 遇 到 Kubernetes 集 群 无 法 拉 取 镜 像 ， DNS 解 析 出 现 问 题 ， 解 决 方 式 见 < a href = "https://github.com/kubernetes/minikube/issues/1674" target = "_blank" > DNS lookup not working when starting minikube with --dns-domain #1674< / a > 。 < / p >
< p > 使 用 < code > minikube ssh< / code > 进 入 minikube 主 机 ， 修 改 < code > /etc/systemd/resolved.conf< / code > 文 件 ， 将 其 中 的 DNS 配 置 字 段 修 改 为 < code > DNS=8.8.8.8< / code > ， 然 后 执 行 < code > sudo systemctl restart systemd-resolved< / code > 即 可 更 改 DNS， 切 勿 直 接 修 改 < code > /etc/resolv.conf< / code > 文 件 。 < / p >
< p > 修 正 Minikube 的 DNS 配 置 ， 请 执 行 下 面 的 命 令 。 < / 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" > ' s/#DNS=/DNS=8.8.8.8/g' < / span > /etc/systemd/resolved.conf
< span class = "token function" > sudo< / span > systemctl restart systemd-resolved
< / code > < / pre >
< h2 id = "名词解释" > 名 词 解 释 < / h2 >
< p > 在 阅 读 下 面 的 文 章 前 ， 需 要 先 明 确 以 下 两 个 名 词 的 含 义 。 < / p >
< ul >
< li > CRD： 自 定 义 资 源 定 义 ， Kubernetes 中 的 资 源 类 型 。 < / li >
< li > CR： Custom Resource， 对 使 用 CRD 创 建 出 来 的 自 定 义 资 源 的 统 称 。 < / li >
< / ul >
< h2 id = "安装-kubebuilder" > 安 装 kubebuilder< / h2 >
< p > 到 kubebuilder 的 < a href = "https://github.com/kubernetes-sigs/kubebuilder/releases" target = "_blank" > GitHub release 页 面 < / a > 上 下 载 与 您 操 作 系 统 对 应 的 kubebuilder 安 装 包 。 < / p >
< p > < strong > MacOS< / strong > < / p >
< p > 对 于 Mac 系 统 ， 将 下 载 好 的 安 装 包 解 压 后 将 其 移 动 到 < code > /usr/local/kubebuilder< / code > 目 录 下 ， 并 将 < code > /usr/local/kubebuilder/bin< / code > 添 加 到 您 的 < code > $PATH< / code > 路 径 下 。 < / p >
< h2 id = "创建项目" > 创 建 项 目 < / h2 >
< p > 我 们 首 先 将 使 用 自 动 配 置 创 建 一 个 项 目 ， 该 项 目 在 创 建 CR 时 不 会 触 发 任 何 资 源 生 成 。 < / p >
< h3 id = "初始化和创建-api" > 初 始 化 和 创 建 API< / h3 >
< p > 创 建 的 项 目 路 径 位 于 < code > $GOPATH/jimmysong.io/kubebuilder-example< / code > 。 下 文 中 的 操 作 没 有 明 确 说 明 的 话 都 是 在 该 项 目 路 径 下 运 行 。 < / p >
< p > 在 项 目 路 径 下 使 用 下 面 的 命 令 初 始 化 项 目 。 < / p >
< pre class = "language-" > < code class = "lang-bash" > $ kubebuilder init --domain jimmysong.io
< / code > < / pre >
< p > 在 项 目 根 目 录 下 执 行 下 面 的 命 令 创 建 API。 < / 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" > " hack/boilerplate.go.txt" < / span > < span class = "token assign-left variable" > paths< / span > < span class = "token operator" > =< / span > < span class = "token string" > " ./..." < / 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 创 建 完 成 后 ， 在 项 目 根 目 录 下 查 看 目 录 结 构 。 < / p >
< pre class = "language-" > < code class = "lang-bash" > < span class = "token builtin class-name" > .< / span >
├ ─ ─ Dockerfile < span class = "token comment" > # 用 于 构 建 Operator 镜 像 < / span >
├ ─ ─ Makefile < span class = "token comment" > # 构 建 时 使 用 < / span >
├ ─ ─ PROJECT < span class = "token comment" > # 项 目 配 置 < / span >
├ ─ ─ api
│ └ ─ ─ v1
│ ├ ─ ─ groupversion_info.go
│ ├ ─ ─ guestbook_types.go
│ └ ─ ─ zz_generated.deepcopy.go
├ ─ ─ bin
│ └ ─ ─ manager
├ ─ ─ config
│ ├ ─ ─ certmanager
│ │ ├ ─ ─ certificate.yaml
│ │ ├ ─ ─ kustomization.yaml
│ │ └ ─ ─ kustomizeconfig.yaml
│ ├ ─ ─ crd < span class = "token comment" > # 新 增 CRD 定 义 < / span >
│ │ ├ ─ ─ kustomization.yaml
│ │ ├ ─ ─ kustomizeconfig.yaml
│ │ └ ─ ─ patches
│ ├ ─ ─ default
│ │ ├ ─ ─ kustomization.yaml
│ │ ├ ─ ─ manager_auth_proxy_patch.yaml
│ │ ├ ─ ─ manager_webhook_patch.yaml
│ │ └ ─ ─ webhookcainjection_patch.yaml
│ ├ ─ ─ manager
│ │ ├ ─ ─ kustomization.yaml
│ │ └ ─ ─ manager.yaml
│ ├ ─ ─ prometheus
│ │ ├ ─ ─ kustomization.yaml
│ │ └ ─ ─ monitor.yaml
│ ├ ─ ─ rbac
│ │ ├ ─ ─ auth_proxy_client_clusterrole.yaml
│ │ ├ ─ ─ auth_proxy_role.yaml
│ │ ├ ─ ─ auth_proxy_role_binding.yaml
│ │ ├ ─ ─ auth_proxy_service.yaml
│ │ ├ ─ ─ guestbook_editor_role.yaml
│ │ ├ ─ ─ guestbook_viewer_role.yaml
│ │ ├ ─ ─ kustomization.yaml
│ │ ├ ─ ─ leader_election_role.yaml
│ │ ├ ─ ─ leader_election_role_binding.yaml
│ │ └ ─ ─ role_binding.yaml
│ ├ ─ ─ samples
│ │ └ ─ ─ webapp_v1_guestbook.yaml < span class = "token comment" > # CRD 示 例 < / span >
│ └ ─ ─ webhook
│ ├ ─ ─ kustomization.yaml
│ ├ ─ ─ kustomizeconfig.yaml
│ └ ─ ─ service.yaml
├ ─ ─ controllers < span class = "token comment" > # 新 增 controller< / span >
│ ├ ─ ─ guestbook_controller.go
│ └ ─ ─ suite_test.go
├ ─ ─ go.mod
├ ─ ─ go.sum
├ ─ ─ hack
│ └ ─ ─ boilerplate.go.txt
└ ─ ─ main.go < span class = "token comment" > # 新 增 处 理 逻 辑 < / span >
< span class = "token number" > 15< / span > directories, < span class = "token number" > 40< / span > files
< / code > < / pre >
< p > 以 上 就 是 自 动 初 始 化 出 来 的 文 件 。 < / p >
< h3 id = "安装-crd" > 安 装 CRD< / h3 >
< p > 执 行 下 面 的 命 令 安 装 CRD。 < / 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" > " crd:trivialVersions=true" < / 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" > " ./..." < / 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 = "部署-controller" > 部 署 controller< / h3 >
< p > 在 开 始 部 署 controller 之 前 ， 我 们 需 要 先 检 查 kubebuilder 自 动 生 成 的 YAML 文 件 。 < / p >
< p > < strong > 修 改 使 用 gcr.io 镜 像 仓 库 的 镜 像 地 址 < / strong > < / p >
< p > 对 于 中 国 大 陆 用 户 ， 可 能 无 法 访 问 Google 镜 像 仓 库 gcr.io， 因 此 需 要 修 改 < code > config/default/manager_auth_proxy_patch.yaml< / code > 文 件 中 的 镜 像 地 址 ， 将 其 中 < code > gcr.io/kube-rbac-proxy:v0.5.0< / code > 修 改 为 < code > jimmysong/kubebuilder-kube-rbac-proxy:v0.5.0< / code > 。 < / p >
< p > 有 两 种 方 式 运 行 controller： < / p >
< ul >
< li > 本 地 运 行 ， 用 于 调 试 < / li >
< li > 部 署 到 Kubernetes 上 运 行 ， 作 为 生 产 使 用 < / li >
< / ul >
< p > < strong > 本 地 运 行 controller< / strong > < / p >
< p > 要 想 在 本 地 运 行 controller， 只 需 要 执 行 下 面 的 命 令 。 < / p >
< pre class = "language-" > < code class = "lang-bash" > < span class = "token function" > make< / span > run
< / code > < / pre >
< p > 你 将 看 到 controller 启 动 和 运 行 时 输 出 。 < / p >
< p > < strong > 将 controller 部 署 到 Kubernetes< / strong > < / p >
< p > 执 行 下 面 的 命 令 部 署 controller 到 Kubernetes 上 ， 这 一 步 将 会 在 本 地 构 建 controller 的 镜 像 ， 并 推 送 到 DockerHub 上 ， 然 后 在 Kubernetes 上 部 署 Deployment 资 源 。 < / 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 > 在 初 始 化 项 目 时 ， kubebuilder 会 自 动 根 据 项 目 名 称 创 建 一 个 Namespace， 如 本 文 中 的 < code > kubebuilder-example-system< / code > ， 查 看 Deployment 对 象 和 Pod 资 源 。 < / 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 = "创建-cr" > 创 建 CR< / h3 >
< p > Kubebuilder 在 初 始 化 项 目 的 时 候 已 生 成 了 示 例 CR， 执 行 下 面 的 命 令 部 署 CR。 < / p >
< pre class = "language-" > < code class = "lang-bash" > kubectl apply -f config/samples/webapp_v1_guestbook.yaml
< / code > < / pre >
< p > 执 行 下 面 的 命 令 查 看 新 创 建 的 CR。 < / p >
< pre class = "language-" > < code class = "lang-bash" > $ kubectl get guestbooks.webapp.jimmysong.io guestbook-sample -o yaml
< / code > < / pre >
< p > 你 将 看 到 类 似 如 下 的 输 出 。 < / 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" >
{" apiVersion" :" webapp.jimmysong.io/v1" ," kind" :" Guestbook" ," metadata" :{" annotations" :{}," name" :" guestbook-sample" ," namespace" :" kubebuilder-example-system" }," spec" :{" foo" :" bar" }}< / span >
< span class = "token key atrule" > creationTimestamp< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 2020-06-07T01:04:48Z" < / 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" > " 2020-06-07T01:04:48Z" < / 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" > " 1795834" < / 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 > 至 此 一 个 基 本 的 Operator 框 架 已 经 创 建 完 成 ， 但 这 个 Operator 只 是 修 改 了 etcd 中 的 数 据 而 已 ， 实 际 上 什 么 事 情 也 没 做 ， 因 为 我 们 没 有 在 Operator 中 的 增 加 业 务 逻 辑 。 < / p >
< h2 id = "增加业务逻辑" > 增 加 业 务 逻 辑 < / h2 >
< p > 下 面 我 们 将 修 改 CRD 的 数 据 结 构 并 在 controller 中 增 加 一 些 日 志 输 出 。 < / p >
< h3 id = "修改-crd" > 修 改 CRD< / h3 >
< p > 我 们 将 修 改 上 文 中 使 用 kubebuilder 命 令 生 成 的 默 认 CRD 配 置 ， 在 CRD 中 增 加 < code > FirstName< / code > 、 < code > LastName< / code > 和 < code > Status< / code > 字 段 。 < / p >
< p > 下 面 是 修 改 后 的 < code > api/v1/guestbook_types.go< / code > 文 件 的 内 容 ， 对 应 修 改 的 地 方 已 在 代 码 中 注 释 说 明 。 < / p >
< pre class = "language-" > < code class = "lang-go" > < span class = "token comment" > /*
Licensed under the Apache License, Version 2.0 (the " License" );
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 " AS IS" 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" > " k8s.io/apimachinery/pkg/apis/meta/v1" < / 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 " make" 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" > // 添 加 两 个 新 的 字 段 < / span >
FirstName < span class = "token builtin" > string< / span > < span class = "token string" > `json:" firstname" `< / span >
LastName < span class = "token builtin" > string< / span > < span class = "token string" > `json:" lastname" `< / 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 " make" to regenerate code after modifying this file< / span >
Status < span class = "token builtin" > string< / span > < span class = "token string" > `json:" Status" `< / span >
< span class = "token punctuation" > }< / span >
< span class = "token comment" > // +kubebuilder:object:root=true< / span >
< span class = "token comment" > // 在 这 里 增 加 status 的 说 明 < / 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:" ,inline" `< / span >
metav1< span class = "token punctuation" > .< / span > ObjectMeta < span class = "token string" > `json:" metadata,omitempty" `< / span >
Spec GuestbookSpec < span class = "token string" > `json:" spec,omitempty" `< / span >
Status GuestbookStatus < span class = "token string" > `json:" status,omitempty" `< / 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:" ,inline" `< / span >
metav1< span class = "token punctuation" > .< / span > ListMeta < span class = "token string" > `json:" metadata,omitempty" `< / span >
Items < span class = "token punctuation" > [< / span > < span class = "token punctuation" > ]< / span > Guestbook < span class = "token string" > `json:" items" `< / 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" > & < / span > Guestbook< span class = "token punctuation" > {< / span > < span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span > < span class = "token operator" > & < / 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 > 上 面 的 代 码 比 原 先 使 用 kubebuilder 生 成 的 默 认 代 码 增 加 了 以 下 内 容 ： < / p >
< pre class = "language-" > < code class = "lang-go" > FirstName < span class = "token builtin" > string< / span > < span class = "token string" > `json:" firstname" `< / span >
LastName < span class = "token builtin" > string< / span > < span class = "token string" > `json:" lastname" `< / span >
Status < span class = "token builtin" > string< / span > < span class = "token string" > `json:" Status" `< / span >
< span class = "token comment" > // +kubebuilder:subresource:status< / span >
< / code > < / pre >
< h3 id = "修改-reconcile-函数" > 修 改 Reconcile 函 数 < / h3 >
< p > Reconcile 函 数 是 Operator 的 核 心 逻 辑 ， Operator 的 业 务 逻 辑 都 位 于 < code > controllers/guestbook_controller.go< / code > 文 件 的 < code > func (r *GuestbookReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error)< / code > 函 数 中 。 < / 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" > " guestbook" < / 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" > " apiexamplea" < / span > < span class = "token punctuation" > ,< / span > req< span class = "token punctuation" > .< / span > NamespacedName< span class = "token punctuation" > )< / span >
< span class = "token comment" > // 获 取 当 前 的 CR， 并 打 印 < / span >
obj < span class = "token operator" > :=< / span > < span class = "token operator" > & < / 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" > " Unable to fetch object" < / 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" > " Geeting from Kubebuilder to" < / 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" > // 初 始 化 CR 的 Status 为 Running< / span >
obj< span class = "token punctuation" > .< / span > Status< span class = "token punctuation" > .< / span > Status < span class = "token operator" > =< / span > < span class = "token string" > " Running" < / 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" > " unable to update status" < / 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 > 这 段 代 码 的 业 务 逻 辑 是 当 发 现 有 < code > guestbooks.webapp.jimmysong.io< / code > 的 CR 变 更 时 ， 在 控 制 台 中 输 出 日 志 。 < / p >
< h3 id = "运行测试" > 运 行 测 试 < / h3 >
< p > 修 改 好 Operator 的 业 务 逻 辑 后 ， 再 测 试 一 下 新 的 逻 辑 是 否 可 以 正 常 运 行 。 < / p >
< p > < strong > 部 署 CRD< / strong > < / p >
< p > 跟 上 文 的 做 法 一 样 ， 执 行 下 面 的 命 令 部 署 CRD。 < / p >
< pre class = "language-" > < code class = "lang-bash" > < span class = "token function" > make< / span > < span class = "token function" > install< / span >
< / code > < / pre >
< p > < strong > 运 行 controller< / strong > < / p >
< p > 跟 上 文 的 做 法 一 样 ， 执 行 下 面 的 命 令 运 行 controller。 为 了 方 便 起 见 ， 我 们 将 在 本 地 运 行 controller， 当 然 您 也 可 以 将 其 部 署 到 Kubernetes 上 运 行 。 < / p >
< pre class = "language-" > < code class = "lang-bash" > < span class = "token function" > make< / span > run
< / code > < / pre >
< p > 保 持 该 窗 口 在 前 台 运 行 。 < / p >
< p > < strong > 部 署 CR< / strong > < / p >
< p > 修 改 < code > config/samples/webapp_v1_guestbook.yaml< / code > 文 件 中 的 配 置 。 < / 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 > 将 其 应 用 到 Kubernetes。 < / p >
< pre class = "language-" > < code class = "lang-bash" > kubectl apply -f config/samples/webapp_v1_guestbook.yaml
< / code > < / pre >
< p > 此 时 转 到 上 文 中 运 行 controller 的 窗 口 ， 将 在 命 令 行 前 台 中 看 到 如 下 输 出 。 < / 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" > " crd:trivialVersions=true" < / 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" > " ./..." < / 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" > " addr" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " :8080" < / 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" > " path" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " /metrics" < / 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" > " controller" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " guestbook" < / span > , < span class = "token string" > " source" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " kind source: /, Kind=" < / 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" > " controller" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " guestbook" < / 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" > " controller" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " guestbook" < / span > , < span class = "token string" > " worker count" < / 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" > " controller" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " guestbook" < / span > , < span class = "token string" > " request" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " kubebuilder-example-system/guestbook-sample" < / span > < span class = "token punctuation" > }< / span >
< / code > < / pre >
< p > 从 上 面 的 日 志 中 ， 可 以 看 到 这 条 输 出 。 < / 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 > 这 正 是 在 < code > Reconcile< / code > 函 数 中 的 输 出 。 < / p >
< p > < strong > 获 取 当 前 的 CR< / strong > < / p >
< p > 使 用 下 面 的 命 令 获 取 当 前 的 CR。 < / 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 > 将 看 到 如 下 输 出 。 < / 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" >
{" apiVersion" :" webapp.jimmysong.io/v1" ," kind" :" Guestbook" ," metadata" :{" annotations" :{}," name" :" guestbook-sample" ," namespace" :" kubebuilder-example-system" }," spec" :{" firstname" :" Jimmy" ," lastname" :" Song" }}< / span >
< span class = "token key atrule" > creationTimestamp< / span > < span class = "token punctuation" > :< / span > < span class = "token string" > " 2020-06-07T02:54:46Z" < / 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" > " 2020-06-07T02:54:46Z" < / 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" > " 2020-06-07T02:56:38Z" < / 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" > " 1813769" < / 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 > 我 们 输 出 的 最 后 部 分 ： < / 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 > 这 正 是 我 们 在 CRD 里 定 义 的 字 段 。 < / p >
< p > < strong > 删 除 CR< / strong > < / p >
< p > 使 用 下 面 的 命 令 删 除 CR。 < / p >
< pre class = "language-" > < code class = "lang-bash" > kubectl delete guestbooks.webapp.jimmysong.io guestbook-sample
< / code > < / pre >
< p > 此 时 在 controller 的 前 台 输 出 中 可 以 看 到 以 下 内 容 。 < / 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" > " guestbook-sample" < / 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" > " controller" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " guestbook" < / span > , < span class = "token string" > " request" < / span > < span class = "token builtin class-name" > :< / span > < span class = "token string" > " kubebuilder-example-system/guestbook-sample" < / span > < span class = "token punctuation" > }< / span >
< / code > < / pre >
< p > 因 为 该 CR 被 删 除 ， 因 此 日 志 中 会 提 示 资 源 找 不 到 。 < / p >
< h2 id = "更多" > 更 多 < / h2 >
< p > 本 示 例 仅 展 示 了 使 用 kubebuilder 创 建 Operator 的 基 本 逻 辑 ， 步 骤 为 ： < / p >
< ul >
< li > 初 始 化 项 目 和 API< / li >
< li > 安 装 CRD< / li >
< li > 部 署 Controller< / li >
< li > 创 建 CR< / li >
< / ul >
< p > Operator 的 核 心 逻 辑 都 在 controller 的 < code > Reconcile< / code > 函 数 中 ， 请 参 考 < a href = "https://jimmysong.io/awesome-cloud-native/#kubernetes-operators" target = "_blank" > Awesome Cloud Native< / a > 中 的 Operator 实 现 ， 本 书 后 续 将 会 讨 论 。 < / p >
< h2 id = "参考" > 参 考 < / h2 >
< ul >
< li > < a href = "https://chenshaowen.com/blog/how-to-develop-a-operator-using-kubebuilder.html" target = "_blank" > 如 何 使 用 KubeBuilder 开 发 一 个 Operator - chenshaowen.com< / a > < / li >
< li > < a href = "https://sealyun.com/blog/2019/07/20/crd/" target = "_blank" > Kubernetes CRD 如 何 简 单 - sealyun.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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