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<title>ConfigMap 的热更新 · 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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<li>
<a href="https://jimmysong.io/awesome-cloud-native" target="_blank" class="custom-link">云原生开源项目大全</a>
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<li>
<a href="https://cloudnative.to" target="_blank" class="custom-link">云原生社区</a>
</li>
<li class="divider"></li>
<li class="header">前言</li>
<li class="chapter " data-level="1.1" data-path="../">
<a href="../">
<b>1.1.</b>
序言
</a>
</li>
<li class="header">云原生</li>
<li class="chapter " data-level="2.1" data-path="../cloud-native/cloud-native-definition.html">
<a href="../cloud-native/cloud-native-definition.html">
<b>2.1.</b>
云原生Cloud Native的定义
</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/quick-start.html">
<a href="../cloud-native/quick-start.html">
<b>2.3.</b>
云原生新手入门指南
</a>
</li>
<li class="chapter " data-level="2.4" data-path="../cloud-native/play-with-kubernetes.html">
<a href="../cloud-native/play-with-kubernetes.html">
<b>2.4.</b>
Play with Kubernetes
</a>
</li>
<li class="chapter " data-level="2.5" data-path="../cloud-native/cloud-native-local-quick-start.html">
<a href="../cloud-native/cloud-native-local-quick-start.html">
<b>2.5.</b>
快速部署一个云原生本地实验环境
</a>
</li>
<li class="chapter " data-level="2.6" data-path="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
<a href="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
<b>2.6.</b>
使用 Rancher 在阿里云上部署 Kubenretes 集群
</a>
</li>
<li class="chapter " data-level="2.7" data-path="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<a href="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<b>2.7.</b>
Kubernetes 与云原生应用概览
</a>
</li>
<li class="chapter " data-level="2.8" data-path="../cloud-native/from-kubernetes-to-cloud-native.html">
<a href="../cloud-native/from-kubernetes-to-cloud-native.html">
<b>2.8.</b>
云原生应用之路 —— 从 Kubernetes 到 Cloud Native
</a>
</li>
<li class="chapter " data-level="2.9" data-path="../cloud-native/define-cloud-native-app.html">
<a href="../cloud-native/define-cloud-native-app.html">
<b>2.9.</b>
定义云原生应用
</a>
<ul class="articles">
<li class="chapter " data-level="2.9.1" data-path="../cloud-native/oam.html">
<a href="../cloud-native/oam.html">
<b>2.9.1.</b>
OAM
</a>
<ul class="articles">
<li class="chapter " data-level="2.9.1.1" data-path="../cloud-native/workload.html">
<a href="../cloud-native/workload.html">
<b>2.9.1.1.</b>
Workload
</a>
</li>
<li class="chapter " data-level="2.9.1.2" data-path="../cloud-native/component.html">
<a href="../cloud-native/component.html">
<b>2.9.1.2.</b>
Component
</a>
</li>
<li class="chapter " data-level="2.9.1.3" data-path="../cloud-native/trait.html">
<a href="../cloud-native/trait.html">
<b>2.9.1.3.</b>
Trait
</a>
</li>
<li class="chapter " data-level="2.9.1.4" data-path="../cloud-native/application-scope.html">
<a href="../cloud-native/application-scope.html">
<b>2.9.1.4.</b>
Application Scope
</a>
</li>
<li class="chapter " data-level="2.9.1.5" data-path="../cloud-native/application-configuration.html">
<a href="../cloud-native/application-configuration.html">
<b>2.9.1.5.</b>
Application Configuration
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.9.2" data-path="../cloud-native/crossplane.html">
<a href="../cloud-native/crossplane.html">
<b>2.9.2.</b>
Crossplane
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.10" data-path="../cloud-native/cloud-native-programming-languages.html">
<a href="../cloud-native/cloud-native-programming-languages.html">
<b>2.10.</b>
云原生编程语言
</a>
<ul class="articles">
<li class="chapter " data-level="2.10.1" data-path="../cloud-native/cloud-native-programming-language-ballerina.html">
<a href="../cloud-native/cloud-native-programming-language-ballerina.html">
<b>2.10.1.</b>
云原生编程语言 Ballerina
</a>
</li>
<li class="chapter " data-level="2.10.2" data-path="../cloud-native/cloud-native-programming-language-pulumi.html">
<a href="../cloud-native/cloud-native-programming-language-pulumi.html">
<b>2.10.2.</b>
云原生编程语言 Pulumi
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.11" data-path="../cloud-native/the-future-of-cloud-native.html">
<a href="../cloud-native/the-future-of-cloud-native.html">
<b>2.11.</b>
云原生的未来
</a>
</li>
<li class="header">概念与原理</li>
<li class="chapter " data-level="3.1" data-path="./">
<a href="./">
<b>3.1.</b>
Kubernetes 架构
</a>
<ul class="articles">
<li class="chapter " data-level="3.1.1" data-path="concepts.html">
<a href="concepts.html">
<b>3.1.1.</b>
设计理念
</a>
</li>
<li class="chapter " data-level="3.1.2" data-path="etcd.html">
<a href="etcd.html">
<b>3.1.2.</b>
Etcd 解析
</a>
</li>
<li class="chapter " data-level="3.1.3" data-path="open-interfaces.html">
<a href="open-interfaces.html">
<b>3.1.3.</b>
开放接口
</a>
<ul class="articles">
<li class="chapter " data-level="3.1.3.1" data-path="cri.html">
<a href="cri.html">
<b>3.1.3.1.</b>
CRI - Container Runtime Interface容器运行时接口
</a>
</li>
<li class="chapter " data-level="3.1.3.2" data-path="cni.html">
<a href="cni.html">
<b>3.1.3.2.</b>
CNI - Container Network Interface容器网络接口
</a>
</li>
<li class="chapter " data-level="3.1.3.3" data-path="csi.html">
<a href="csi.html">
<b>3.1.3.3.</b>
CSI - Container Storage Interface容器存储接口
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2" data-path="networking.html">
<a href="networking.html">
<b>3.2.</b>
Kubernetes 中的网络
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.1" data-path="flannel.html">
<a href="flannel.html">
<b>3.2.1.</b>
Kubernetes 中的网络解析 —— 以 flannel 为例
</a>
</li>
<li class="chapter " data-level="3.2.2" data-path="calico.html">
<a href="calico.html">
<b>3.2.2.</b>
Kubernetes 中的网络解析 —— 以 calico 为例
</a>
</li>
<li class="chapter " data-level="3.2.3" data-path="cilium.html">
<a href="cilium.html">
<b>3.2.3.</b>
具备 API 感知的网络和安全性管理开源软件 Cilium
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.3.1" data-path="cilium-concepts.html">
<a href="cilium-concepts.html">
<b>3.2.3.1.</b>
Cilium 架构设计与概念解析
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.3" data-path="objects.html">
<a href="objects.html">
<b>3.3.</b>
资源对象与基本概念解析
</a>
</li>
<li class="chapter " data-level="3.4" data-path="pod-state-and-lifecycle.html">
<a href="pod-state-and-lifecycle.html">
<b>3.4.</b>
Pod 状态与生命周期管理
</a>
<ul class="articles">
<li class="chapter " data-level="3.4.1" data-path="pod-overview.html">
<a href="pod-overview.html">
<b>3.4.1.</b>
Pod 概览
</a>
</li>
<li class="chapter " data-level="3.4.2" data-path="pod.html">
<a href="pod.html">
<b>3.4.2.</b>
Pod 解析
</a>
</li>
<li class="chapter " data-level="3.4.3" data-path="init-containers.html">
<a href="init-containers.html">
<b>3.4.3.</b>
Init 容器
</a>
</li>
<li class="chapter " data-level="3.4.4" data-path="pause-container.html">
<a href="pause-container.html">
<b>3.4.4.</b>
Pause 容器
</a>
</li>
<li class="chapter " data-level="3.4.5" data-path="pod-security-policy.html">
<a href="pod-security-policy.html">
<b>3.4.5.</b>
Pod 安全策略
</a>
</li>
<li class="chapter " data-level="3.4.6" data-path="pod-lifecycle.html">
<a href="pod-lifecycle.html">
<b>3.4.6.</b>
Pod 的生命周期
</a>
</li>
<li class="chapter " data-level="3.4.7" data-path="pod-hook.html">
<a href="pod-hook.html">
<b>3.4.7.</b>
Pod Hook
</a>
</li>
<li class="chapter " data-level="3.4.8" data-path="pod-preset.html">
<a href="pod-preset.html">
<b>3.4.8.</b>
Pod Preset
</a>
</li>
<li class="chapter " data-level="3.4.9" data-path="pod-disruption-budget.html">
<a href="pod-disruption-budget.html">
<b>3.4.9.</b>
Pod 中断与 PDBPod 中断预算)
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.5" data-path="cluster.html">
<a href="cluster.html">
<b>3.5.</b>
集群资源管理
</a>
<ul class="articles">
<li class="chapter " data-level="3.5.1" data-path="node.html">
<a href="node.html">
<b>3.5.1.</b>
Node
</a>
</li>
<li class="chapter " data-level="3.5.2" data-path="namespace.html">
<a href="namespace.html">
<b>3.5.2.</b>
Namespace
</a>
</li>
<li class="chapter " data-level="3.5.3" data-path="label.html">
<a href="label.html">
<b>3.5.3.</b>
Label
</a>
</li>
<li class="chapter " data-level="3.5.4" data-path="annotation.html">
<a href="annotation.html">
<b>3.5.4.</b>
Annotation
</a>
</li>
<li class="chapter " data-level="3.5.5" data-path="taint-and-toleration.html">
<a href="taint-and-toleration.html">
<b>3.5.5.</b>
Taint 和 Toleration污点和容忍
</a>
</li>
<li class="chapter " data-level="3.5.6" data-path="garbage-collection.html">
<a href="garbage-collection.html">
<b>3.5.6.</b>
垃圾收集
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.6" data-path="controllers.html">
<a href="controllers.html">
<b>3.6.</b>
控制器
</a>
<ul class="articles">
<li class="chapter " data-level="3.6.1" data-path="deployment.html">
<a href="deployment.html">
<b>3.6.1.</b>
Deployment
</a>
</li>
<li class="chapter " data-level="3.6.2" data-path="statefulset.html">
<a href="statefulset.html">
<b>3.6.2.</b>
StatefulSet
</a>
</li>
<li class="chapter " data-level="3.6.3" data-path="daemonset.html">
<a href="daemonset.html">
<b>3.6.3.</b>
DaemonSet
</a>
</li>
<li class="chapter " data-level="3.6.4" data-path="replicaset.html">
<a href="replicaset.html">
<b>3.6.4.</b>
ReplicationController 和 ReplicaSet
</a>
</li>
<li class="chapter " data-level="3.6.5" data-path="job.html">
<a href="job.html">
<b>3.6.5.</b>
Job
</a>
</li>
<li class="chapter " data-level="3.6.6" data-path="cronjob.html">
<a href="cronjob.html">
<b>3.6.6.</b>
CronJob
</a>
</li>
<li class="chapter " data-level="3.6.7" data-path="horizontal-pod-autoscaling.html">
<a href="horizontal-pod-autoscaling.html">
<b>3.6.7.</b>
Horizontal Pod Autoscaling
</a>
<ul class="articles">
<li class="chapter " data-level="3.6.7.1" data-path="custom-metrics-hpa.html">
<a href="custom-metrics-hpa.html">
<b>3.6.7.1.</b>
自定义指标 HPA
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.6.8" data-path="admission-controller.html">
<a href="admission-controller.html">
<b>3.6.8.</b>
准入控制器Admission Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.7" data-path="service-discovery.html">
<a href="service-discovery.html">
<b>3.7.</b>
服务发现
</a>
<ul class="articles">
<li class="chapter " data-level="3.7.1" data-path="service.html">
<a href="service.html">
<b>3.7.1.</b>
Service
</a>
</li>
<li class="chapter " data-level="3.7.2" data-path="ingress.html">
<a href="ingress.html">
<b>3.7.2.</b>
Ingress
</a>
<ul class="articles">
<li class="chapter " data-level="3.7.2.1" data-path="traefik-ingress-controller.html">
<a href="traefik-ingress-controller.html">
<b>3.7.2.1.</b>
Traefik Ingress Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.7.3" data-path="kubernetes-service-api.html">
<a href="kubernetes-service-api.html">
<b>3.7.3.</b>
Kubernetes Service API
</a>
<ul class="articles">
<li class="chapter " data-level="3.7.3.1" data-path="service-api-overview.html">
<a href="service-api-overview.html">
<b>3.7.3.1.</b>
Service API 简介
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.8" data-path="authentication-and-permission.html">
<a href="authentication-and-permission.html">
<b>3.8.</b>
身份与权限控制
</a>
<ul class="articles">
<li class="chapter " data-level="3.8.1" data-path="serviceaccount.html">
<a href="serviceaccount.html">
<b>3.8.1.</b>
ServiceAccount
</a>
</li>
<li class="chapter " data-level="3.8.2" data-path="rbac.html">
<a href="rbac.html">
<b>3.8.2.</b>
RBAC—— 基于角色的访问控制
</a>
</li>
<li class="chapter " data-level="3.8.3" data-path="network-policy.html">
<a href="network-policy.html">
<b>3.8.3.</b>
NetworkPolicy
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.9" data-path="storage.html">
<a href="storage.html">
<b>3.9.</b>
存储
</a>
<ul class="articles">
<li class="chapter " data-level="3.9.1" data-path="secret.html">
<a href="secret.html">
<b>3.9.1.</b>
Secret
</a>
</li>
<li class="chapter " data-level="3.9.2" data-path="configmap.html">
<a href="configmap.html">
<b>3.9.2.</b>
ConfigMap
</a>
<ul class="articles">
<li class="chapter active" data-level="3.9.2.1" data-path="configmap-hot-update.html">
<a href="configmap-hot-update.html">
<b>3.9.2.1.</b>
ConfigMap 的热更新
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.9.3" data-path="volume.html">
<a href="volume.html">
<b>3.9.3.</b>
Volume
</a>
</li>
<li class="chapter " data-level="3.9.4" data-path="persistent-volume.html">
<a href="persistent-volume.html">
<b>3.9.4.</b>
Persistent Volume持久化卷
</a>
</li>
<li class="chapter " data-level="3.9.5" data-path="storageclass.html">
<a href="storageclass.html">
<b>3.9.5.</b>
Storage Class
</a>
</li>
<li class="chapter " data-level="3.9.6" data-path="local-persistent-storage.html">
<a href="local-persistent-storage.html">
<b>3.9.6.</b>
本地持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.10" data-path="extension.html">
<a href="extension.html">
<b>3.10.</b>
集群扩展
</a>
<ul class="articles">
<li class="chapter " data-level="3.10.1" data-path="custom-resource.html">
<a href="custom-resource.html">
<b>3.10.1.</b>
使用自定义资源扩展 API
</a>
</li>
<li class="chapter " data-level="3.10.2" data-path="crd.html">
<a href="crd.html">
<b>3.10.2.</b>
使用 CRD 扩展 Kubernetes API
</a>
</li>
<li class="chapter " data-level="3.10.3" data-path="aggregated-api-server.html">
<a href="aggregated-api-server.html">
<b>3.10.3.</b>
Aggregated API Server
</a>
</li>
<li class="chapter " data-level="3.10.4" data-path="apiservice.html">
<a href="apiservice.html">
<b>3.10.4.</b>
APIService
</a>
</li>
<li class="chapter " data-level="3.10.5" data-path="service-catalog.html">
<a href="service-catalog.html">
<b>3.10.5.</b>
Service Catalog
</a>
</li>
<li class="chapter " data-level="3.10.6" data-path="multicluster.html">
<a href="multicluster.html">
<b>3.10.6.</b>
多集群管理
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.11" data-path="scheduling.html">
<a href="scheduling.html">
<b>3.11.</b>
资源调度
</a>
<ul class="articles">
<li class="chapter " data-level="3.11.1" data-path="qos.html">
<a href="qos.html">
<b>3.11.1.</b>
QoS服务质量等级
</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>
Lens - Kubernetes IDE/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>
<ul class="articles">
<li class="chapter " data-level="5.12.1.1" data-path="../practice/in-place-update.html">
<a href="../practice/in-place-update.html">
<b>5.12.1.1.</b>
原地升级
</a>
</li>
</ul>
</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/observability.html">
<a href="../usecases/observability.html">
<b>6.3.</b>
可观察性
</a>
</li>
<li class="chapter " data-level="6.4" data-path="../usecases/service-mesh.html">
<a href="../usecases/service-mesh.html">
<b>6.4.</b>
Service Mesh 服务网格
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.1" data-path="../usecases/the-enterprise-path-to-service-mesh-architectures.html">
<a href="../usecases/the-enterprise-path-to-service-mesh-architectures.html">
<b>6.4.1.</b>
企业级服务网格架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.1.1" data-path="../usecases/service-mesh-fundamental.html">
<a href="../usecases/service-mesh-fundamental.html">
<b>6.4.1.1.</b>
Service Mesh 基础
</a>
</li>
<li class="chapter " data-level="6.4.1.2" data-path="../usecases/comparing-service-mesh-technologies.html">
<a href="../usecases/comparing-service-mesh-technologies.html">
<b>6.4.1.2.</b>
Service Mesh 技术对比
</a>
</li>
<li class="chapter " data-level="6.4.1.3" data-path="../usecases/service-mesh-adoption-and-evolution.html">
<a href="../usecases/service-mesh-adoption-and-evolution.html">
<b>6.4.1.3.</b>
采纳和演进
</a>
</li>
<li class="chapter " data-level="6.4.1.4" data-path="../usecases/service-mesh-customization-and-integration.html">
<a href="../usecases/service-mesh-customization-and-integration.html">
<b>6.4.1.4.</b>
定制和集成
</a>
</li>
<li class="chapter " data-level="6.4.1.5" data-path="../usecases/service-mesh-conclusion.html">
<a href="../usecases/service-mesh-conclusion.html">
<b>6.4.1.5.</b>
总结
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4.2" data-path="../usecases/istio.html">
<a href="../usecases/istio.html">
<b>6.4.2.</b>
Istio
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.2.1" data-path="../usecases/istio-installation.html">
<a href="../usecases/istio-installation.html">
<b>6.4.2.1.</b>
安装并试用 Istio
</a>
</li>
<li class="chapter " data-level="6.4.2.2" data-path="../usecases/sidecar-spec-in-istio.html">
<a href="../usecases/sidecar-spec-in-istio.html">
<b>6.4.2.2.</b>
Istio 中 sidecar 的注入规范及示例
</a>
</li>
<li class="chapter " data-level="6.4.2.3" data-path="../usecases/istio-community-tips.html">
<a href="../usecases/istio-community-tips.html">
<b>6.4.2.3.</b>
如何参与 Istio 社区及注意事项
</a>
</li>
<li class="chapter " data-level="6.4.2.4" data-path="../usecases/istio-tutorials-collection.html">
<a href="../usecases/istio-tutorials-collection.html">
<b>6.4.2.4.</b>
Istio 免费学习资源汇总
</a>
</li>
<li class="chapter " data-level="6.4.2.5" 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>6.4.2.5.</b>
Sidecar 的注入与流量劫持
</a>
</li>
<li class="chapter " data-level="6.4.2.6" 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>6.4.2.6.</b>
Envoy Sidecar 代理的路由转发
</a>
</li>
<li class="chapter " data-level="6.4.2.7" data-path="../usecases/how-to-integrate-istio-with-vm.html">
<a href="../usecases/how-to-integrate-istio-with-vm.html">
<b>6.4.2.7.</b>
Istio 如何支持虚拟机
</a>
</li>
<li class="chapter " data-level="6.4.2.8" data-path="../usecases/istio-vm-support.html">
<a href="../usecases/istio-vm-support.html">
<b>6.4.2.8.</b>
Istio 支持虚拟机的历史
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4.3" data-path="../usecases/linkerd.html">
<a href="../usecases/linkerd.html">
<b>6.4.3.</b>
Linkerd
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.3.1" data-path="../usecases/linkerd-user-guide.html">
<a href="../usecases/linkerd-user-guide.html">
<b>6.4.3.1.</b>
Linkerd 使用指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4.4" data-path="../usecases/conduit.html">
<a href="../usecases/conduit.html">
<b>6.4.4.</b>
Conduit
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.4.1" data-path="../usecases/conduit-overview.html">
<a href="../usecases/conduit-overview.html">
<b>6.4.4.1.</b>
Condiut 概览
</a>
</li>
<li class="chapter " data-level="6.4.4.2" data-path="../usecases/conduit-installation.html">
<a href="../usecases/conduit-installation.html">
<b>6.4.4.2.</b>
安装 Conduit
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4.5" data-path="../usecases/envoy.html">
<a href="../usecases/envoy.html">
<b>6.4.5.</b>
Envoy
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.5.1" data-path="../usecases/envoy-terminology.html">
<a href="../usecases/envoy-terminology.html">
<b>6.4.5.1.</b>
Envoy 的架构与基本术语
</a>
</li>
<li class="chapter " data-level="6.4.5.2" data-path="../usecases/envoy-front-proxy.html">
<a href="../usecases/envoy-front-proxy.html">
<b>6.4.5.2.</b>
Envoy 作为前端代理
</a>
</li>
<li class="chapter " data-level="6.4.5.3" data-path="../usecases/envoy-mesh-in-kubernetes-tutorial.html">
<a href="../usecases/envoy-mesh-in-kubernetes-tutorial.html">
<b>6.4.5.3.</b>
Envoy mesh 教程
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4.6" data-path="../usecases/mosn.html">
<a href="../usecases/mosn.html">
<b>6.4.6.</b>
MOSN
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.5" data-path="../usecases/big-data.html">
<a href="../usecases/big-data.html">
<b>6.5.</b>
大数据
</a>
<ul class="articles">
<li class="chapter " data-level="6.5.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
<a href="../usecases/spark-standalone-on-kubernetes.html">
<b>6.5.1.</b>
Spark standalone on Kubernetes
</a>
</li>
<li class="chapter " data-level="6.5.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<b>6.5.2.</b>
运行支持 Kubernetes 原生调度的 Spark 程序
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.6" data-path="../usecases/serverless.html">
<a href="../usecases/serverless.html">
<b>6.6.</b>
Serverless 架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.6.1" data-path="../usecases/understanding-serverless.html">
<a href="../usecases/understanding-serverless.html">
<b>6.6.1.</b>
理解 Serverless
</a>
</li>
<li class="chapter " data-level="6.6.2" data-path="../usecases/faas.html">
<a href="../usecases/faas.html">
<b>6.6.2.</b>
FaaS函数即服务
</a>
<ul class="articles">
<li class="chapter " data-level="6.6.2.1" data-path="../usecases/openfaas-quick-start.html">
<a href="../usecases/openfaas-quick-start.html">
<b>6.6.2.1.</b>
OpenFaaS 快速入门指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.6.3" data-path="../usecases/knative.html">
<a href="../usecases/knative.html">
<b>6.6.3.</b>
Knative
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.7" data-path="../usecases/edge-computing.html">
<a href="../usecases/edge-computing.html">
<b>6.7.</b>
边缘计算
</a>
</li>
<li class="chapter " data-level="6.8" data-path="../usecases/ai.html">
<a href="../usecases/ai.html">
<b>6.8.</b>
人工智能
</a>
</li>
<li class="header">开发指南</li>
<li class="chapter " data-level="7.1" data-path="../develop/">
<a href="../develop/">
<b>7.1.</b>
开发指南概览
</a>
</li>
<li class="chapter " data-level="7.2" data-path="../develop/sigs-and-working-group.html">
<a href="../develop/sigs-and-working-group.html">
<b>7.2.</b>
SIG 和工作组
</a>
</li>
<li class="chapter " data-level="7.3" data-path="../develop/developing-environment.html">
<a href="../develop/developing-environment.html">
<b>7.3.</b>
开发环境搭建
</a>
<ul class="articles">
<li class="chapter " data-level="7.3.1" data-path="../develop/using-vagrant-and-virtualbox-for-development.html">
<a href="../develop/using-vagrant-and-virtualbox-for-development.html">
<b>7.3.1.</b>
本地分布式开发环境搭建(使用 Vagrant 和 Virtualbox
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.4" data-path="../develop/testing.html">
<a href="../develop/testing.html">
<b>7.4.</b>
单元测试和集成测试
</a>
</li>
<li class="chapter " data-level="7.5" data-path="../develop/client-go-sample.html">
<a href="../develop/client-go-sample.html">
<b>7.5.</b>
client-go 示例
</a>
</li>
<li class="chapter " data-level="7.6" data-path="../develop/operator.html">
<a href="../develop/operator.html">
<b>7.6.</b>
Operator
</a>
<ul class="articles">
<li class="chapter " data-level="7.6.1" data-path="../develop/operator-sdk.html">
<a href="../develop/operator-sdk.html">
<b>7.6.1.</b>
operator-sdk
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.7" data-path="../develop/kubebuilder.html">
<a href="../develop/kubebuilder.html">
<b>7.7.</b>
kubebuilder
</a>
<ul class="articles">
<li class="chapter " data-level="7.7.1" data-path="../develop/kubebuilder-example.html">
<a href="../develop/kubebuilder-example.html">
<b>7.7.1.</b>
使用 kubebuilder 创建 operator 示例
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.8" data-path="../develop/advance-developer.html">
<a href="../develop/advance-developer.html">
<b>7.8.</b>
高级开发指南
</a>
</li>
<li class="chapter " data-level="7.9" data-path="../develop/contribute.html">
<a href="../develop/contribute.html">
<b>7.9.</b>
社区贡献
</a>
</li>
<li class="chapter " data-level="7.10" data-path="../develop/minikube.html">
<a href="../develop/minikube.html">
<b>7.10.</b>
Minikube
</a>
</li>
<li class="header">CNCF云原生计算基金会</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SIG说明
</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>
</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>
<li class="chapter " data-level="9.9.2" data-path="../appendix/cncf-annual-report-2020.html">
<a href="../appendix/cncf-annual-report-2020.html">
<b>9.9.2.</b>
CNCF 2020 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KCSP说明
</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CKA说明
</a>
</li>
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<section class="normal markdown-section">
<h1 id="configmap&#x7684;&#x70ED;&#x66F4;&#x65B0;">ConfigMap&#x7684;&#x70ED;&#x66F4;&#x65B0;</h1>
<p>ConfigMap&#x662F;&#x7528;&#x6765;&#x5B58;&#x50A8;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x7684;kubernetes&#x8D44;&#x6E90;&#x5BF9;&#x8C61;&#xFF0C;&#x6240;&#x6709;&#x7684;&#x914D;&#x7F6E;&#x5185;&#x5BB9;&#x90FD;&#x5B58;&#x50A8;&#x5728;etcd&#x4E2D;&#xFF0C;&#x4E0B;&#x6587;&#x4E3B;&#x8981;&#x662F;&#x63A2;&#x7A76; ConfigMap &#x7684;&#x521B;&#x5EFA;&#x548C;&#x66F4;&#x65B0;&#x6D41;&#x7A0B;&#xFF0C;&#x4EE5;&#x53CA;&#x5BF9; ConfigMap &#x66F4;&#x65B0;&#x540E;&#x5BB9;&#x5668;&#x5185;&#x6302;&#x8F7D;&#x7684;&#x5185;&#x5BB9;&#x662F;&#x5426;&#x540C;&#x6B65;&#x66F4;&#x65B0;&#x7684;&#x6D4B;&#x8BD5;&#x3002;</p>
<h2 id="&#x6D4B;&#x8BD5;&#x793A;&#x4F8B;">&#x6D4B;&#x8BD5;&#x793A;&#x4F8B;</h2>
<p>&#x5047;&#x8BBE;&#x6211;&#x4EEC;&#x5728; <code>default</code> namespace &#x4E0B;&#x6709;&#x4E00;&#x4E2A;&#x540D;&#x4E3A; <code>nginx-config</code> &#x7684; ConfigMap&#xFF0C;&#x53EF;&#x4EE5;&#x4F7F;&#x7528; <code>kubectl</code>&#x547D;&#x4EE4;&#x6765;&#x83B7;&#x53D6;&#xFF1A;</p>
<pre class="language-"><code class="lang-bash">$ kubectl get configmap nginx-config
NAME DATA AGE
nginx-config <span class="token number">1</span> 99d
</code></pre>
<p>&#x83B7;&#x53D6;&#x8BE5;ConfigMap&#x7684;&#x5185;&#x5BB9;&#x3002;</p>
<pre class="language-"><code class="lang-bash">kubectl get configmap nginx-config -o yaml
</code></pre>
<pre class="language-"><code class="lang-bash">apiVersion: v1
data:
nginx.conf: <span class="token operator">|</span>-
worker_processes <span class="token number">1</span><span class="token punctuation">;</span>
events <span class="token punctuation">{</span> worker_connections <span class="token number">1024</span><span class="token punctuation">;</span> <span class="token punctuation">}</span>
http <span class="token punctuation">{</span>
sendfile on<span class="token punctuation">;</span>
server <span class="token punctuation">{</span>
listen <span class="token number">80</span><span class="token punctuation">;</span>
<span class="token comment"># a test endpoint that returns http 200s</span>
location / <span class="token punctuation">{</span>
proxy_pass http://httpstat.us/200<span class="token punctuation">;</span>
proxy_set_header X-Real-IP <span class="token variable">$remote_addr</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
server <span class="token punctuation">{</span>
listen <span class="token number">80</span><span class="token punctuation">;</span>
server_name api.hello.world<span class="token punctuation">;</span>
location / <span class="token punctuation">{</span>
proxy_pass http://l5d.default.svc.cluster.local<span class="token punctuation">;</span>
proxy_set_header Host <span class="token variable">$host</span><span class="token punctuation">;</span>
proxy_set_header Connection <span class="token string">&quot;&quot;</span><span class="token punctuation">;</span>
proxy_http_version <span class="token number">1.1</span><span class="token punctuation">;</span>
more_clear_input_headers <span class="token string">&apos;l5d-ctx-*&apos;</span> <span class="token string">&apos;l5d-dtab&apos;</span> <span class="token string">&apos;l5d-sample&apos;</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
server <span class="token punctuation">{</span>
listen <span class="token number">80</span><span class="token punctuation">;</span>
server_name www.hello.world<span class="token punctuation">;</span>
location / <span class="token punctuation">{</span>
<span class="token comment"># allow &apos;employees&apos; to perform dtab overrides</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token variable">$cookie_special_employee_cookie</span> <span class="token operator">!=</span> <span class="token string">&quot;letmein&quot;</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
more_clear_input_headers <span class="token string">&apos;l5d-ctx-*&apos;</span> <span class="token string">&apos;l5d-dtab&apos;</span> <span class="token string">&apos;l5d-sample&apos;</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment"># add a dtab override to get people to our beta, world-v2</span>
<span class="token builtin class-name">set</span> <span class="token variable">$xheader</span> <span class="token string">&quot;&quot;</span><span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token variable">$cookie_special_employee_cookie</span> ~* <span class="token string">&quot;dogfood&quot;</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
<span class="token builtin class-name">set</span> <span class="token variable">$xheader</span> <span class="token string">&quot;/host/world =&gt; /srv/world-v2;&quot;</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
proxy_set_header <span class="token string">&apos;l5d-dtab&apos;</span> <span class="token variable">$xheader</span><span class="token punctuation">;</span>
proxy_pass http://l5d.default.svc.cluster.local<span class="token punctuation">;</span>
proxy_set_header Host <span class="token variable">$host</span><span class="token punctuation">;</span>
proxy_set_header Connection <span class="token string">&quot;&quot;</span><span class="token punctuation">;</span>
proxy_http_version <span class="token number">1.1</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
kind: ConfigMap
metadata:
creationTimestamp: <span class="token number">2017</span>-08-01T06:53:17Z
name: nginx-config
namespace: default
resourceVersion: <span class="token string">&quot;14925806&quot;</span>
selfLink: /api/v1/namespaces/default/configmaps/nginx-config
uid: 18d70527-7686-11e7-bfbd-8af1e3a7c5bd
</code></pre>
<p>ConfigMap&#x4E2D;&#x7684;&#x5185;&#x5BB9;&#x662F;&#x5B58;&#x50A8;&#x5230;etcd&#x4E2D;&#x7684;&#xFF0C;&#x7136;&#x540E;&#x67E5;&#x8BE2;etcd&#xFF1A;</p>
<pre class="language-"><code class="lang-bash"><span class="token assign-left variable">ETCDCTL_API</span><span class="token operator">=</span><span class="token number">3</span> etcdctl get /registry/configmaps/default/nginx-config -w json<span class="token operator">|</span>python -m json.tool
</code></pre>
<p>&#x6CE8;&#x610F;&#x4F7F;&#x7528; v3 &#x7248;&#x672C;&#x7684; etcdctl API&#xFF0C;&#x4E0B;&#x9762;&#x662F;&#x8F93;&#x51FA;&#x7ED3;&#x679C;&#xFF1A;</p>
<pre class="language-"><code class="lang-json"><span class="token punctuation">{</span>
<span class="token property">&quot;count&quot;</span><span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
<span class="token property">&quot;header&quot;</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token property">&quot;cluster_id&quot;</span><span class="token operator">:</span> <span class="token number">12091028579527406772</span><span class="token punctuation">,</span>
<span class="token property">&quot;member_id&quot;</span><span class="token operator">:</span> <span class="token number">16557816780141026208</span><span class="token punctuation">,</span>
<span class="token property">&quot;raft_term&quot;</span><span class="token operator">:</span> <span class="token number">36</span><span class="token punctuation">,</span>
<span class="token property">&quot;revision&quot;</span><span class="token operator">:</span> <span class="token number">29258723</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token property">&quot;kvs&quot;</span><span class="token operator">:</span> <span class="token punctuation">[</span>
<span class="token punctuation">{</span>
<span class="token property">&quot;create_revision&quot;</span><span class="token operator">:</span> <span class="token number">14925806</span><span class="token punctuation">,</span>
<span class="token property">&quot;key&quot;</span><span class="token operator">:</span> <span class="token string">&quot;L3JlZ2lzdHJ5L2NvbmZpZ21hcHMvZGVmYXVsdC9uZ2lueC1jb25maWc=&quot;</span><span class="token punctuation">,</span>
<span class="token property">&quot;mod_revision&quot;</span><span class="token operator">:</span> <span class="token number">14925806</span><span class="token punctuation">,</span>
<span class="token property">&quot;value&quot;</span><span class="token operator">:</span> <span class="token string">&quot;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&quot;</span><span class="token punctuation">,</span>
<span class="token property">&quot;version&quot;</span><span class="token operator">:</span> <span class="token number">1</span>
<span class="token punctuation">}</span>
<span class="token punctuation">]</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x5176;&#x4E2D;&#x7684;value&#x5C31;&#x662F; <code>nginx.conf</code> &#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x7684;&#x5185;&#x5BB9;&#x3002;</p>
<p>&#x53EF;&#x4EE5;&#x4F7F;&#x7528;base64&#x89E3;&#x7801;&#x67E5;&#x770B;&#x5177;&#x4F53;&#x503C;&#xFF0C;&#x5173;&#x4E8E;etcdctl&#x7684;&#x4F7F;&#x7528;&#x8BF7;&#x53C2;&#x8003;<a href="../guide/using-etcdctl-to-access-kubernetes-data.html">&#x4F7F;&#x7528;etcdctl&#x8BBF;&#x95EE;kuberentes&#x6570;&#x636E;</a>&#x3002;</p>
<h2 id="&#x4EE3;&#x7801;">&#x4EE3;&#x7801;</h2>
<p>ConfigMap &#x7ED3;&#x6784;&#x4F53;&#x7684;&#x5B9A;&#x4E49;&#xFF1A;</p>
<pre class="language-"><code class="lang-go"><span class="token comment">// ConfigMap holds configuration data for pods to consume.</span>
<span class="token keyword">type</span> ConfigMap <span class="token keyword">struct</span> <span class="token punctuation">{</span>
metav1<span class="token punctuation">.</span>TypeMeta <span class="token string">`json:&quot;,inline&quot;`</span>
<span class="token comment">// Standard object&apos;s metadata.</span>
<span class="token comment">// More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#metadata</span>
<span class="token comment">// +optional</span>
metav1<span class="token punctuation">.</span>ObjectMeta <span class="token string">`json:&quot;metadata,omitempty&quot; protobuf:&quot;bytes,1,opt,name=metadata&quot;`</span>
<span class="token comment">// Data contains the configuration data.</span>
<span class="token comment">// Each key must be a valid DNS_SUBDOMAIN with an optional leading dot.</span>
<span class="token comment">// +optional</span>
Data <span class="token keyword">map</span><span class="token punctuation">[</span><span class="token builtin">string</span><span class="token punctuation">]</span><span class="token builtin">string</span> <span class="token string">`json:&quot;data,omitempty&quot; protobuf:&quot;bytes,2,rep,name=data&quot;`</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x5728; <code>staging/src/k8s.io/client-go/kubernetes/typed/core/v1/configmap.go</code> &#x4E2D;ConfigMap &#x7684;&#x63A5;&#x53E3;&#x5B9A;&#x4E49;&#xFF1A;</p>
<pre class="language-"><code class="lang-go"><span class="token comment">// ConfigMapInterface has methods to work with ConfigMap resources.</span>
<span class="token keyword">type</span> ConfigMapInterface <span class="token keyword">interface</span> <span class="token punctuation">{</span>
<span class="token function">Create</span><span class="token punctuation">(</span><span class="token operator">*</span>v1<span class="token punctuation">.</span>ConfigMap<span class="token punctuation">)</span> <span class="token punctuation">(</span><span class="token operator">*</span>v1<span class="token punctuation">.</span>ConfigMap<span class="token punctuation">,</span> <span class="token builtin">error</span><span class="token punctuation">)</span>
<span class="token function">Update</span><span class="token punctuation">(</span><span class="token operator">*</span>v1<span class="token punctuation">.</span>ConfigMap<span class="token punctuation">)</span> <span class="token punctuation">(</span><span class="token operator">*</span>v1<span class="token punctuation">.</span>ConfigMap<span class="token punctuation">,</span> <span class="token builtin">error</span><span class="token punctuation">)</span>
<span class="token function">Delete</span><span class="token punctuation">(</span>name <span class="token builtin">string</span><span class="token punctuation">,</span> options <span class="token operator">*</span>meta_v1<span class="token punctuation">.</span>DeleteOptions<span class="token punctuation">)</span> <span class="token builtin">error</span>
<span class="token function">DeleteCollection</span><span class="token punctuation">(</span>options <span class="token operator">*</span>meta_v1<span class="token punctuation">.</span>DeleteOptions<span class="token punctuation">,</span> listOptions meta_v1<span class="token punctuation">.</span>ListOptions<span class="token punctuation">)</span> <span class="token builtin">error</span>
<span class="token function">Get</span><span class="token punctuation">(</span>name <span class="token builtin">string</span><span class="token punctuation">,</span> options meta_v1<span class="token punctuation">.</span>GetOptions<span class="token punctuation">)</span> <span class="token punctuation">(</span><span class="token operator">*</span>v1<span class="token punctuation">.</span>ConfigMap<span class="token punctuation">,</span> <span class="token builtin">error</span><span class="token punctuation">)</span>
<span class="token function">List</span><span class="token punctuation">(</span>opts meta_v1<span class="token punctuation">.</span>ListOptions<span class="token punctuation">)</span> <span class="token punctuation">(</span><span class="token operator">*</span>v1<span class="token punctuation">.</span>ConfigMapList<span class="token punctuation">,</span> <span class="token builtin">error</span><span class="token punctuation">)</span>
<span class="token function">Watch</span><span class="token punctuation">(</span>opts meta_v1<span class="token punctuation">.</span>ListOptions<span class="token punctuation">)</span> <span class="token punctuation">(</span>watch<span class="token punctuation">.</span>Interface<span class="token punctuation">,</span> <span class="token builtin">error</span><span class="token punctuation">)</span>
<span class="token function">Patch</span><span class="token punctuation">(</span>name <span class="token builtin">string</span><span class="token punctuation">,</span> pt types<span class="token punctuation">.</span>PatchType<span class="token punctuation">,</span> data <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token builtin">byte</span><span class="token punctuation">,</span> subresources <span class="token operator">...</span><span class="token builtin">string</span><span class="token punctuation">)</span> <span class="token punctuation">(</span>result <span class="token operator">*</span>v1<span class="token punctuation">.</span>ConfigMap<span class="token punctuation">,</span> err <span class="token builtin">error</span><span class="token punctuation">)</span>
ConfigMapExpansion
<span class="token punctuation">}</span>
</code></pre>
<p>&#x5728; <code>staging/src/k8s.io/client-go/kubernetes/typed/core/v1/configmap.go</code> &#x4E2D;&#x521B;&#x5EFA; ConfigMap &#x7684;&#x65B9;&#x6CD5;&#x5982;&#x4E0B;:</p>
<pre class="language-"><code class="lang-go"><span class="token comment">// Create takes the representation of a configMap and creates it. Returns the server&apos;s representation of the configMap, and an error, if there is any.</span>
<span class="token keyword">func</span> <span class="token punctuation">(</span>c <span class="token operator">*</span>configMaps<span class="token punctuation">)</span> <span class="token function">Create</span><span class="token punctuation">(</span>configMap <span class="token operator">*</span>v1<span class="token punctuation">.</span>ConfigMap<span class="token punctuation">)</span> <span class="token punctuation">(</span>result <span class="token operator">*</span>v1<span class="token punctuation">.</span>ConfigMap<span class="token punctuation">,</span> err <span class="token builtin">error</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
result <span class="token operator">=</span> <span class="token operator">&amp;</span>v1<span class="token punctuation">.</span>ConfigMap<span class="token punctuation">{</span><span class="token punctuation">}</span>
err <span class="token operator">=</span> c<span class="token punctuation">.</span>client<span class="token punctuation">.</span><span class="token function">Post</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span>
<span class="token function">Namespace</span><span class="token punctuation">(</span>c<span class="token punctuation">.</span>ns<span class="token punctuation">)</span><span class="token punctuation">.</span>
<span class="token function">Resource</span><span class="token punctuation">(</span><span class="token string">&quot;configmaps&quot;</span><span class="token punctuation">)</span><span class="token punctuation">.</span>
<span class="token function">Body</span><span class="token punctuation">(</span>configMap<span class="token punctuation">)</span><span class="token punctuation">.</span>
<span class="token function">Do</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">.</span>
<span class="token function">Into</span><span class="token punctuation">(</span>result<span class="token punctuation">)</span>
<span class="token keyword">return</span>
<span class="token punctuation">}</span>
</code></pre>
<p>&#x901A;&#x8FC7; RESTful &#x8BF7;&#x6C42;&#x5728; etcd &#x4E2D;&#x5B58;&#x50A8; ConfigMap &#x7684;&#x914D;&#x7F6E;&#xFF0C;&#x8BE5;&#x65B9;&#x6CD5;&#x4E2D;&#x8BBE;&#x7F6E;&#x4E86;&#x8D44;&#x6E90;&#x5BF9;&#x8C61;&#x7684; namespace &#x548C; HTTP &#x8BF7;&#x6C42;&#x4E2D;&#x7684; body&#xFF0C;&#x6267;&#x884C;&#x540E;&#x5C06;&#x8BF7;&#x6C42;&#x7ED3;&#x679C;&#x4FDD;&#x5B58;&#x5230; result &#x4E2D;&#x8FD4;&#x56DE;&#x7ED9;&#x8C03;&#x7528;&#x8005;&#x3002;</p>
<p><strong>&#x6CE8;&#x610F; Body &#x7684;&#x7ED3;&#x6784;</strong></p>
<pre class="language-"><code class="lang-java"><span class="token comment">// Body makes the request use obj as the body. Optional.</span>
<span class="token comment">// If obj is a string, try to read a file of that name.</span>
<span class="token comment">// If obj is a []byte, send it directly.</span>
<span class="token comment">// If obj is an io.Reader, use it directly.</span>
<span class="token comment">// If obj is a runtime.Object, marshal it correctly, and set Content-Type header.</span>
<span class="token comment">// If obj is a runtime.Object and nil, do nothing.</span>
<span class="token comment">// Otherwise, set an error.</span>
</code></pre>
<p>&#x521B;&#x5EFA; ConfigMap RESTful &#x8BF7;&#x6C42;&#x4E2D;&#x7684;&#x7684; Body &#x4E2D;&#x5305;&#x542B; <code>ObjectMeta</code> &#x548C; <code>namespace</code>&#x3002;</p>
<p>HTTP &#x8BF7;&#x6C42;&#x4E2D;&#x7684;&#x7ED3;&#x6784;&#x4F53;&#xFF1A;</p>
<pre class="language-"><code class="lang-go"><span class="token comment">// Request allows for building up a request to a server in a chained fashion.</span>
<span class="token comment">// Any errors are stored until the end of your call, so you only have to</span>
<span class="token comment">// check once.</span>
<span class="token keyword">type</span> Request <span class="token keyword">struct</span> <span class="token punctuation">{</span>
<span class="token comment">// required</span>
client HTTPClient
verb <span class="token builtin">string</span>
baseURL <span class="token operator">*</span>url<span class="token punctuation">.</span>URL
content ContentConfig
serializers Serializers
<span class="token comment">// generic components accessible via method setters</span>
pathPrefix <span class="token builtin">string</span>
subpath <span class="token builtin">string</span>
params url<span class="token punctuation">.</span>Values
headers http<span class="token punctuation">.</span>Header
<span class="token comment">// structural elements of the request that are part of the Kubernetes API conventions</span>
namespace <span class="token builtin">string</span>
namespaceSet <span class="token builtin">bool</span>
resource <span class="token builtin">string</span>
resourceName <span class="token builtin">string</span>
subresource <span class="token builtin">string</span>
timeout time<span class="token punctuation">.</span>Duration
<span class="token comment">// output</span>
err <span class="token builtin">error</span>
body io<span class="token punctuation">.</span>Reader
<span class="token comment">// This is only used for per-request timeouts, deadlines, and cancellations.</span>
ctx context<span class="token punctuation">.</span>Context
backoffMgr BackoffManager
throttle flowcontrol<span class="token punctuation">.</span>RateLimiter
<span class="token punctuation">}</span>
</code></pre>
<h2 id="&#x6D4B;&#x8BD5;">&#x6D4B;&#x8BD5;</h2>
<p>&#x5206;&#x522B;&#x6D4B;&#x8BD5;&#x4F7F;&#x7528; ConfigMap &#x6302;&#x8F7D; Env &#x548C; Volume &#x7684;&#x60C5;&#x51B5;&#x3002;</p>
<h3 id="&#x66F4;&#x65B0;&#x4F7F;&#x7528;configmap&#x6302;&#x8F7D;&#x7684;env">&#x66F4;&#x65B0;&#x4F7F;&#x7528;ConfigMap&#x6302;&#x8F7D;&#x7684;Env</h3>
<p>&#x4F7F;&#x7528;&#x4E0B;&#x9762;&#x7684;&#x914D;&#x7F6E;&#x521B;&#x5EFA; nginx &#x5BB9;&#x5668;&#x6D4B;&#x8BD5;&#x66F4;&#x65B0; ConfigMap &#x540E;&#x5BB9;&#x5668;&#x5185;&#x7684;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x662F;&#x5426;&#x4E5F;&#x8DDF;&#x7740;&#x66F4;&#x65B0;&#x3002;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> extensions/v1beta1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> Deployment
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>nginx
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">replicas</span><span class="token punctuation">:</span> <span class="token number">1</span>
<span class="token key atrule">template</span><span class="token punctuation">:</span>
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">labels</span><span class="token punctuation">:</span>
<span class="token key atrule">run</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>nginx
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">containers</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>nginx
<span class="token key atrule">image</span><span class="token punctuation">:</span> harbor<span class="token punctuation">-</span>001.jimmysong.io/library/nginx<span class="token punctuation">:</span><span class="token number">1.9</span>
<span class="token key atrule">ports</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">containerPort</span><span class="token punctuation">:</span> <span class="token number">80</span>
<span class="token key atrule">envFrom</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">configMapRef</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> env<span class="token punctuation">-</span>config
<span class="token punctuation">---</span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> ConfigMap
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> env<span class="token punctuation">-</span>config
<span class="token key atrule">namespace</span><span class="token punctuation">:</span> default
<span class="token key atrule">data</span><span class="token punctuation">:</span>
<span class="token key atrule">log_level</span><span class="token punctuation">:</span> INFO
</code></pre>
<p>&#x83B7;&#x53D6;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x7684;&#x503C;</p>
<pre class="language-"><code class="lang-bash">$ kubectl <span class="token builtin class-name">exec</span> <span class="token variable"><span class="token variable">`</span>kubectl get pods -l <span class="token assign-left variable">run</span><span class="token operator">=</span>my-nginx -o<span class="token operator">=</span>name<span class="token operator">|</span><span class="token function">cut</span> -d <span class="token string">&quot;/&quot;</span> -f2<span class="token variable">`</span></span> <span class="token function">env</span><span class="token operator">|</span><span class="token function">grep</span> log_level
<span class="token assign-left variable">log_level</span><span class="token operator">=</span>INFO
</code></pre>
<p>&#x4FEE;&#x6539; ConfigMap</p>
<pre class="language-"><code class="lang-bash">$ kubectl edit configmap env-config
</code></pre>
<p>&#x4FEE;&#x6539; <code>log_level</code> &#x7684;&#x503C;&#x4E3A; <code>DEBUG</code>&#x3002;</p>
<p>&#x518D;&#x6B21;&#x67E5;&#x770B;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x7684;&#x503C;&#x3002;</p>
<pre class="language-"><code class="lang-bash">$ kubectl <span class="token builtin class-name">exec</span> <span class="token variable"><span class="token variable">`</span>kubectl get pods -l <span class="token assign-left variable">run</span><span class="token operator">=</span>my-nginx -o<span class="token operator">=</span>name<span class="token operator">|</span><span class="token function">cut</span> -d <span class="token string">&quot;/&quot;</span> -f2<span class="token variable">`</span></span> <span class="token function">env</span><span class="token operator">|</span><span class="token function">grep</span> log_level
<span class="token assign-left variable">log_level</span><span class="token operator">=</span>INFO
</code></pre>
<p>&#x5B9E;&#x8DF5;&#x8BC1;&#x660E;&#x4FEE;&#x6539; ConfigMap &#x65E0;&#x6CD5;&#x66F4;&#x65B0;&#x5BB9;&#x5668;&#x4E2D;&#x5DF2;&#x6CE8;&#x5165;&#x7684;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x4FE1;&#x606F;&#x3002;</p>
<h3 id="&#x66F4;&#x65B0;&#x4F7F;&#x7528;configmap&#x6302;&#x8F7D;&#x7684;volume">&#x66F4;&#x65B0;&#x4F7F;&#x7528;ConfigMap&#x6302;&#x8F7D;&#x7684;Volume</h3>
<p>&#x4F7F;&#x7528;&#x4E0B;&#x9762;&#x7684;&#x914D;&#x7F6E;&#x521B;&#x5EFA; nginx &#x5BB9;&#x5668;&#x6D4B;&#x8BD5;&#x66F4;&#x65B0; ConfigMap &#x540E;&#x5BB9;&#x5668;&#x5185;&#x6302;&#x8F7D;&#x7684;&#x6587;&#x4EF6;&#x662F;&#x5426;&#x4E5F;&#x8DDF;&#x7740;&#x66F4;&#x65B0;&#x3002;</p>
<pre class="language-"><code class="lang-yaml"><span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> extensions/v1beta1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> Deployment
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>nginx
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">replicas</span><span class="token punctuation">:</span> <span class="token number">1</span>
<span class="token key atrule">template</span><span class="token punctuation">:</span>
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">labels</span><span class="token punctuation">:</span>
<span class="token key atrule">run</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>nginx
<span class="token key atrule">spec</span><span class="token punctuation">:</span>
<span class="token key atrule">containers</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> my<span class="token punctuation">-</span>nginx
<span class="token key atrule">image</span><span class="token punctuation">:</span> harbor<span class="token punctuation">-</span>001.jimmysong.io/library/nginx<span class="token punctuation">:</span><span class="token number">1.9</span>
<span class="token key atrule">ports</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">containerPort</span><span class="token punctuation">:</span> <span class="token number">80</span>
<span class="token key atrule">volumeMounts</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> config<span class="token punctuation">-</span>volume
<span class="token key atrule">mountPath</span><span class="token punctuation">:</span> /etc/config
<span class="token key atrule">volumes</span><span class="token punctuation">:</span>
<span class="token punctuation">-</span> <span class="token key atrule">name</span><span class="token punctuation">:</span> config<span class="token punctuation">-</span>volume
<span class="token key atrule">configMap</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> special<span class="token punctuation">-</span>config
<span class="token punctuation">---</span>
<span class="token key atrule">apiVersion</span><span class="token punctuation">:</span> v1
<span class="token key atrule">kind</span><span class="token punctuation">:</span> ConfigMap
<span class="token key atrule">metadata</span><span class="token punctuation">:</span>
<span class="token key atrule">name</span><span class="token punctuation">:</span> special<span class="token punctuation">-</span>config
<span class="token key atrule">namespace</span><span class="token punctuation">:</span> default
<span class="token key atrule">data</span><span class="token punctuation">:</span>
<span class="token key atrule">log_level</span><span class="token punctuation">:</span> INFO
</code></pre>
<pre class="language-"><code class="lang-bash">$ kubectl <span class="token builtin class-name">exec</span> <span class="token variable"><span class="token variable">`</span>kubectl get pods -l <span class="token assign-left variable">run</span><span class="token operator">=</span>my-nginx -o<span class="token operator">=</span>name<span class="token operator">|</span><span class="token function">cut</span> -d <span class="token string">&quot;/&quot;</span> -f2<span class="token variable">`</span></span> <span class="token function">cat</span> /etc/config/log_level
INFO
</code></pre>
<p>&#x4FEE;&#x6539; ConfigMap</p>
<pre class="language-"><code class="lang-bash">$ kubectl edit configmap special-config
</code></pre>
<p>&#x4FEE;&#x6539; <code>log_level</code> &#x7684;&#x503C;&#x4E3A; <code>DEBUG</code>&#x3002;</p>
<p>&#x7B49;&#x5F85;&#x5927;&#x6982;10&#x79D2;&#x949F;&#x65F6;&#x95F4;&#xFF0C;&#x518D;&#x6B21;&#x67E5;&#x770B;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x7684;&#x503C;&#x3002;</p>
<pre class="language-"><code class="lang-bash">$ kubectl <span class="token builtin class-name">exec</span> <span class="token variable"><span class="token variable">`</span>kubectl get pods -l <span class="token assign-left variable">run</span><span class="token operator">=</span>my-nginx -o<span class="token operator">=</span>name<span class="token operator">|</span><span class="token function">cut</span> -d <span class="token string">&quot;/&quot;</span> -f2<span class="token variable">`</span></span> <span class="token function">cat</span> /tmp/log_level
DEBUG
</code></pre>
<p>&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x4F7F;&#x7528; ConfigMap &#x65B9;&#x5F0F;&#x6302;&#x8F7D;&#x7684; Volume &#x7684;&#x6587;&#x4EF6;&#x4E2D;&#x7684;&#x5185;&#x5BB9;&#x5DF2;&#x7ECF;&#x53D8;&#x6210;&#x4E86; <code>DEBUG</code>&#x3002;</p>
<p>Known Issue&#xFF1A;
&#x5982;&#x679C;&#x4F7F;&#x7528;ConfigMap&#x7684;<strong>subPath</strong>&#x6302;&#x8F7D;&#x4E3A;Container&#x7684;Volume&#xFF0C;Kubernetes&#x4E0D;&#x4F1A;&#x505A;&#x81EA;&#x52A8;&#x70ED;&#x66F4;&#x65B0;:
<a href="https://kubernetes.io/docs/tasks/configure-pod-container/configure-pod-configmap/#mounted-configmaps-are-updated-automatically" target="_blank">https://kubernetes.io/docs/tasks/configure-pod-container/configure-pod-configmap/#mounted-configmaps-are-updated-automatically</a></p>
<h2 id="configmap-&#x66F4;&#x65B0;&#x540E;&#x6EDA;&#x52A8;&#x66F4;&#x65B0;-pod">ConfigMap &#x66F4;&#x65B0;&#x540E;&#x6EDA;&#x52A8;&#x66F4;&#x65B0; Pod</h2>
<p>&#x66F4;&#x65B0; ConfigMap &#x76EE;&#x524D;&#x5E76;&#x4E0D;&#x4F1A;&#x89E6;&#x53D1;&#x76F8;&#x5173; Pod &#x7684;&#x6EDA;&#x52A8;&#x66F4;&#x65B0;&#xFF0C;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x4FEE;&#x6539; pod annotations &#x7684;&#x65B9;&#x5F0F;&#x5F3A;&#x5236;&#x89E6;&#x53D1;&#x6EDA;&#x52A8;&#x66F4;&#x65B0;&#x3002;</p>
<pre class="language-"><code class="lang-bash">$ kubectl patch deployment my-nginx --patch <span class="token string">&apos;{&quot;spec&quot;: {&quot;template&quot;: {&quot;metadata&quot;: {&quot;annotations&quot;: {&quot;version/config&quot;: &quot;20180411&quot; }}}}}&apos;</span>
</code></pre>
<p>&#x8FD9;&#x4E2A;&#x4F8B;&#x5B50;&#x91CC;&#x6211;&#x4EEC;&#x5728; <code>.spec.template.metadata.annotations</code> &#x4E2D;&#x6DFB;&#x52A0; <code>version/config</code>&#xFF0C;&#x6BCF;&#x6B21;&#x901A;&#x8FC7;&#x4FEE;&#x6539; <code>version/config</code> &#x6765;&#x89E6;&#x53D1;&#x6EDA;&#x52A8;&#x66F4;&#x65B0;&#x3002;</p>
<h2 id="&#x603B;&#x7ED3;">&#x603B;&#x7ED3;</h2>
<p>&#x66F4;&#x65B0; ConfigMap &#x540E;&#xFF1A;</p>
<ul>
<li>&#x4F7F;&#x7528;&#x8BE5; ConfigMap &#x6302;&#x8F7D;&#x7684; Env <strong>&#x4E0D;&#x4F1A;</strong>&#x540C;&#x6B65;&#x66F4;&#x65B0;</li>
<li>&#x4F7F;&#x7528;&#x8BE5; ConfigMap &#x6302;&#x8F7D;&#x7684; Volume &#x4E2D;&#x7684;&#x6570;&#x636E;&#x9700;&#x8981;&#x4E00;&#x6BB5;&#x65F6;&#x95F4;&#xFF08;&#x5B9E;&#x6D4B;&#x5927;&#x6982;10&#x79D2;&#xFF09;&#x624D;&#x80FD;&#x540C;&#x6B65;&#x66F4;&#x65B0;</li>
</ul>
<p>ENV &#x662F;&#x5728;&#x5BB9;&#x5668;&#x542F;&#x52A8;&#x7684;&#x65F6;&#x5019;&#x6CE8;&#x5165;&#x7684;&#xFF0C;&#x542F;&#x52A8;&#x4E4B;&#x540E; kubernetes &#x5C31;&#x4E0D;&#x4F1A;&#x518D;&#x6539;&#x53D8;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x7684;&#x503C;&#xFF0C;&#x4E14;&#x540C;&#x4E00;&#x4E2A; namespace &#x4E2D;&#x7684; pod &#x7684;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x662F;&#x4E0D;&#x65AD;&#x7D2F;&#x52A0;&#x7684;&#xFF0C;&#x53C2;&#x8003; <a href="https://jimmysong.io/posts/exploring-kubernetes-env-with-docker/" target="_blank">Kubernetes&#x4E2D;&#x7684;&#x670D;&#x52A1;&#x53D1;&#x73B0;&#x4E0E;docker&#x5BB9;&#x5668;&#x95F4;&#x7684;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x4F20;&#x9012;&#x6E90;&#x7801;&#x63A2;&#x7A76;</a>&#x3002;&#x4E3A;&#x4E86;&#x66F4;&#x65B0;&#x5BB9;&#x5668;&#x4E2D;&#x4F7F;&#x7528; ConfigMap &#x6302;&#x8F7D;&#x7684;&#x914D;&#x7F6E;&#xFF0C;&#x9700;&#x8981;&#x901A;&#x8FC7;&#x6EDA;&#x52A8;&#x66F4;&#x65B0; pod &#x7684;&#x65B9;&#x5F0F;&#x6765;&#x5F3A;&#x5236;&#x91CD;&#x65B0;&#x6302;&#x8F7D; ConfigMap&#x3002;</p>
<h2 id="&#x53C2;&#x8003;">&#x53C2;&#x8003;</h2>
<ul>
<li><a href="https://acotten.com/post/kube17-security" target="_blank">Kubernetes 1.7 security in practice</a></li>
<li><a href="https://jimmysong.io/kubernetes-handbook/concepts/configmap.html" target="_blank">ConfigMap | kubernetes handbook - jimmysong.io</a></li>
<li><a href="https://jimmysong.io/kubernetes-handbook/practice/etcd-cluster-installation.html" target="_blank">&#x521B;&#x5EFA;&#x9AD8;&#x53EF;&#x7528;ectd&#x96C6;&#x7FA4; | Kubernetes handbook - jimmysong.io</a></li>
<li><a href="https://jimmysong.io/posts/exploring-kubernetes-env-with-docker/" target="_blank">Kubernetes&#x4E2D;&#x7684;&#x670D;&#x52A1;&#x53D1;&#x73B0;&#x4E0E;docker&#x5BB9;&#x5668;&#x95F4;&#x7684;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x4F20;&#x9012;&#x6E90;&#x7801;&#x63A2;&#x7A76;</a></li>
</ul>
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