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<title>ConfigMap · Kubernetes Handbook - jimmysong.io</title>
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<a href="https://jimmysong.io" target="_blank" class="custom-link">Jimmy Song</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/play-with-kubernetes.html">
<a href="../cloud-native/play-with-kubernetes.html">
<b>2.1.</b>
Play with Kubernetes
</a>
</li>
<li class="chapter " data-level="2.2" data-path="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<a href="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<b>2.2.</b>
Kubernetes与云原生应用概览
</a>
</li>
<li class="chapter " data-level="2.3" data-path="../cloud-native/from-kubernetes-to-cloud-native.html">
<a href="../cloud-native/from-kubernetes-to-cloud-native.html">
<b>2.3.</b>
云原生应用之路——从Kubernetes到Cloud Native
</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="objects.html">
<a href="objects.html">
<b>3.2.</b>
资源对象与基本概念解析
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.1" data-path="basic.html">
<a href="basic.html">
<b>3.2.1.</b>
基本概念
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.1.1" data-path="pod-overview.html">
<a href="pod-overview.html">
<b>3.2.1.1.</b>
Pod概览
</a>
</li>
<li class="chapter " data-level="3.2.1.2" data-path="pod.html">
<a href="pod.html">
<b>3.2.1.2.</b>
Pod解析
</a>
</li>
<li class="chapter " data-level="3.2.1.3" data-path="init-containers.html">
<a href="init-containers.html">
<b>3.2.1.3.</b>
Init容器
</a>
</li>
<li class="chapter " data-level="3.2.1.4" data-path="pod-security-policy.html">
<a href="pod-security-policy.html">
<b>3.2.1.4.</b>
Pod安全策略
</a>
</li>
<li class="chapter " data-level="3.2.1.5" data-path="pod-lifecycle.html">
<a href="pod-lifecycle.html">
<b>3.2.1.5.</b>
Pod的生命周期
</a>
</li>
<li class="chapter " data-level="3.2.1.6" data-path="pod-hook.html">
<a href="pod-hook.html">
<b>3.2.1.6.</b>
Pod Hook
</a>
</li>
<li class="chapter " data-level="3.2.1.7" data-path="pod-preset.html">
<a href="pod-preset.html">
<b>3.2.1.7.</b>
Pod Preset
</a>
</li>
<li class="chapter " data-level="3.2.1.8" data-path="pod-disruption-budget.html">
<a href="pod-disruption-budget.html">
<b>3.2.1.8.</b>
Pod中断与PDB（Pod中断预算）
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2.2" data-path="cluster.html">
<a href="cluster.html">
<b>3.2.2.</b>
集群配置
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.2.1" data-path="node.html">
<a href="node.html">
<b>3.2.2.1.</b>
Node
</a>
</li>
<li class="chapter " data-level="3.2.2.2" data-path="namespace.html">
<a href="namespace.html">
<b>3.2.2.2.</b>
Namespace
</a>
</li>
<li class="chapter " data-level="3.2.2.3" data-path="label.html">
<a href="label.html">
<b>3.2.2.3.</b>
Label
</a>
</li>
<li class="chapter " data-level="3.2.2.4" data-path="annotation.html">
<a href="annotation.html">
<b>3.2.2.4.</b>
Annotation
</a>
</li>
<li class="chapter " data-level="3.2.2.5" data-path="taint-and-toleration.html">
<a href="taint-and-toleration.html">
<b>3.2.2.5.</b>
Taint和Toleration（污点和容忍）
</a>
</li>
<li class="chapter " data-level="3.2.2.6" data-path="garbage-collection.html">
<a href="garbage-collection.html">
<b>3.2.2.6.</b>
垃圾收集
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2.3" data-path="controllers.html">
<a href="controllers.html">
<b>3.2.3.</b>
控制器
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.3.1" data-path="deployment.html">
<a href="deployment.html">
<b>3.2.3.1.</b>
Deployment
</a>
</li>
<li class="chapter " data-level="3.2.3.2" data-path="statefulset.html">
<a href="statefulset.html">
<b>3.2.3.2.</b>
StatefulSet
</a>
</li>
<li class="chapter " data-level="3.2.3.3" data-path="daemonset.html">
<a href="daemonset.html">
<b>3.2.3.3.</b>
DaemonSet
</a>
</li>
<li class="chapter " data-level="3.2.3.4" data-path="replicaset.html">
<a href="replicaset.html">
<b>3.2.3.4.</b>
ReplicationController和ReplicaSet
</a>
</li>
<li class="chapter " data-level="3.2.3.5" data-path="job.html">
<a href="job.html">
<b>3.2.3.5.</b>
Job
</a>
</li>
<li class="chapter " data-level="3.2.3.6" data-path="cronjob.html">
<a href="cronjob.html">
<b>3.2.3.6.</b>
CronJob
</a>
</li>
<li class="chapter " data-level="3.2.3.7" data-path="horizontal-pod-autoscaling.html">
<a href="horizontal-pod-autoscaling.html">
<b>3.2.3.7.</b>
Horizontal Pod Autoscaling
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.3.7.1" data-path="custom-metrics-hpa.html">
<a href="custom-metrics-hpa.html">
<b>3.2.3.7.1.</b>
自定义指标HPA
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2.4" data-path="service-discovery.html">
<a href="service-discovery.html">
<b>3.2.4.</b>
服务发现
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.4.1" data-path="service.html">
<a href="service.html">
<b>3.2.4.1.</b>
Service
</a>
</li>
<li class="chapter " data-level="3.2.4.2" data-path="ingress.html">
<a href="ingress.html">
<b>3.2.4.2.</b>
Ingress
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.4.2.1" data-path="traefik-ingress-controller.html">
<a href="traefik-ingress-controller.html">
<b>3.2.4.2.1.</b>
Traefik Ingress Controller
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2.5" data-path="authentication-and-permission.html">
<a href="authentication-and-permission.html">
<b>3.2.5.</b>
身份与权限控制
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.5.1" data-path="serviceaccount.html">
<a href="serviceaccount.html">
<b>3.2.5.1.</b>
ServiceAccount
</a>
</li>
<li class="chapter " data-level="3.2.5.2" data-path="rbac.html">
<a href="rbac.html">
<b>3.2.5.2.</b>
RBAC——基于角色的访问控制
</a>
</li>
<li class="chapter " data-level="3.2.5.3" data-path="network-policy.html">
<a href="network-policy.html">
<b>3.2.5.3.</b>
NetworkPolicy
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2.6" data-path="storage.html">
<a href="storage.html">
<b>3.2.6.</b>
存储
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.6.1" data-path="secret.html">
<a href="secret.html">
<b>3.2.6.1.</b>
Secret
</a>
</li>
<li class="chapter active" data-level="3.2.6.2" data-path="configmap.html">
<a href="configmap.html">
<b>3.2.6.2.</b>
ConfigMap
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.6.2.1" data-path="configmap-hot-update.html">
<a href="configmap-hot-update.html">
<b>3.2.6.2.1.</b>
ConfigMap的热更新
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2.6.3" data-path="volume.html">
<a href="volume.html">
<b>3.2.6.3.</b>
Volume
</a>
</li>
<li class="chapter " data-level="3.2.6.4" data-path="persistent-volume.html">
<a href="persistent-volume.html">
<b>3.2.6.4.</b>
Persistent Volume（持久化卷）
</a>
</li>
<li class="chapter " data-level="3.2.6.5" data-path="storageclass.html">
<a href="storageclass.html">
<b>3.2.6.5.</b>
Storage Class
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2.7" data-path="extension.html">
<a href="extension.html">
<b>3.2.7.</b>
扩展
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.7.1" data-path="custom-resource.html">
<a href="custom-resource.html">
<b>3.2.7.1.</b>
使用自定义资源扩展API
</a>
</li>
<li class="chapter " data-level="3.2.7.2" data-path="aggregated-api-server.html">
<a href="aggregated-api-server.html">
<b>3.2.7.2.</b>
Aggregated API Server
</a>
</li>
<li class="chapter " data-level="3.2.7.3" data-path="apiservice.html">
<a href="apiservice.html">
<b>3.2.7.3.</b>
APIService
</a>
</li>
</ul>
</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用户过度到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>
</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/service-discovery-and-loadbalancing.html">
<a href="../practice/service-discovery-and-loadbalancing.html">
<b>5.3.</b>
服务发现与负载均衡
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.1" data-path="../practice/traefik-ingress-installation.html">
<a href="../practice/traefik-ingress-installation.html">
<b>5.3.1.</b>
安装Traefik ingress
</a>
</li>
<li class="chapter " data-level="5.3.2" data-path="../practice/distributed-load-test.html">
<a href="../practice/distributed-load-test.html">
<b>5.3.2.</b>
分布式负载测试
</a>
</li>
<li class="chapter " data-level="5.3.3" data-path="../practice/network-and-cluster-perfermance-test.html">
<a href="../practice/network-and-cluster-perfermance-test.html">
<b>5.3.3.</b>
网络和集群性能测试
</a>
</li>
<li class="chapter " data-level="5.3.4" data-path="../practice/edge-node-configuration.html">
<a href="../practice/edge-node-configuration.html">
<b>5.3.4.</b>
边缘节点配置
</a>
</li>
<li class="chapter " data-level="5.3.5" data-path="../practice/nginx-ingress-installation.html">
<a href="../practice/nginx-ingress-installation.html">
<b>5.3.5.</b>
安装Nginx ingress
</a>
</li>
<li class="chapter " data-level="5.3.6" data-path="../practice/configuring-dns.html">
<a href="../practice/configuring-dns.html">
<b>5.3.6.</b>
配置内置DNS（kube-dns）
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.4" data-path="../practice/operation.html">
<a href="../practice/operation.html">
<b>5.4.</b>
运维管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.4.1" data-path="../practice/service-rolling-update.html">
<a href="../practice/service-rolling-update.html">
<b>5.4.1.</b>
服务滚动升级
</a>
</li>
<li class="chapter " data-level="5.4.2" data-path="../practice/app-log-collection.html">
<a href="../practice/app-log-collection.html">
<b>5.4.2.</b>
应用日志收集
</a>
</li>
<li class="chapter " data-level="5.4.3" data-path="../practice/configuration-best-practice.html">
<a href="../practice/configuration-best-practice.html">
<b>5.4.3.</b>
配置最佳实践
</a>
</li>
<li class="chapter " data-level="5.4.4" data-path="../practice/monitor.html">
<a href="../practice/monitor.html">
<b>5.4.4.</b>
集群及应用监控
</a>
</li>
<li class="chapter " data-level="5.4.5" data-path="../practice/data-persistence-problem.html">
<a href="../practice/data-persistence-problem.html">
<b>5.4.5.</b>
数据持久化问题
</a>
</li>
<li class="chapter " data-level="5.4.6" data-path="../practice/manage-compute-resources-container.html">
<a href="../practice/manage-compute-resources-container.html">
<b>5.4.6.</b>
管理容器的计算资源
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.5" data-path="../practice/storage.html">
<a href="../practice/storage.html">
<b>5.5.</b>
存储管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.5.1" data-path="../practice/glusterfs.html">
<a href="../practice/glusterfs.html">
<b>5.5.1.</b>
GlusterFS
</a>
<ul class="articles">
<li class="chapter " data-level="5.5.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
<a href="../practice/using-glusterfs-for-persistent-storage.html">
<b>5.5.1.1.</b>
使用GlusterFS做持久化存储
</a>
</li>
<li class="chapter " data-level="5.5.1.2" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<b>5.5.1.2.</b>
在OpenShift中使用GlusterFS做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.5.2" data-path="../practice/cephfs.html">
<a href="../practice/cephfs.html">
<b>5.5.2.</b>
CephFS
</a>
<ul class="articles">
<li class="chapter " data-level="5.5.2.1" data-path="../practice/using-ceph-for-persistent-storage.html">
<a href="../practice/using-ceph-for-persistent-storage.html">
<b>5.5.2.1.</b>
使用Ceph做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.5.3" data-path="../practice/openebs.html">
<a href="../practice/openebs.html">
<b>5.5.3.</b>
OpenEBS
</a>
<ul class="articles">
<li class="chapter " data-level="5.5.3.1" data-path="../practice/using-openebs-for-persistent-storage.html">
<a href="../practice/using-openebs-for-persistent-storage.html">
<b>5.5.3.1.</b>
使用OpenEBS做持久化存储
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6" data-path="../practice/monitoring.html">
<a href="../practice/monitoring.html">
<b>5.6.</b>
集群与应用监控
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.1" data-path="../practice/heapster.html">
<a href="../practice/heapster.html">
<b>5.6.1.</b>
Heapster
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.1.1" data-path="../practice/using-heapster-to-get-object-metrics.html">
<a href="../practice/using-heapster-to-get-object-metrics.html">
<b>5.6.1.1.</b>
使用Heapster获取集群和对象的metric数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6.2" data-path="../practice/prometheus.html">
<a href="../practice/prometheus.html">
<b>5.6.2.</b>
Prometheus
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.2.1" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<b>5.6.2.1.</b>
使用Prometheus监控kubernetes集群
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="5.7" data-path="../practice/services-management-tool.html">
<a href="../practice/services-management-tool.html">
<b>5.7.</b>
服务编排管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.7.1" data-path="../practice/helm.html">
<a href="../practice/helm.html">
<b>5.7.1.</b>
使用Helm管理kubernetes应用
</a>
</li>
<li class="chapter " data-level="5.7.2" data-path="../practice/create-private-charts-repo.html">
<a href="../practice/create-private-charts-repo.html">
<b>5.7.2.</b>
构建私有Chart仓库
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.8" data-path="../practice/ci-cd.html">
<a href="../practice/ci-cd.html">
<b>5.8.</b>
持续集成与发布
</a>
<ul class="articles">
<li class="chapter " data-level="5.8.1" data-path="../practice/jenkins-ci-cd.html">
<a href="../practice/jenkins-ci-cd.html">
<b>5.8.1.</b>
使用Jenkins进行持续集成与发布
</a>
</li>
<li class="chapter " data-level="5.8.2" data-path="../practice/drone-ci-cd.html">
<a href="../practice/drone-ci-cd.html">
<b>5.8.2.</b>
使用Drone进行持续集成与发布
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.9" data-path="../practice/update-and-upgrade.html">
<a href="../practice/update-and-upgrade.html">
<b>5.9.</b>
更新与升级
</a>
<ul class="articles">
<li class="chapter " data-level="5.9.1" data-path="../practice/manually-upgrade.html">
<a href="../practice/manually-upgrade.html">
<b>5.9.1.</b>
手动升级Kubernetes集群
</a>
</li>
<li class="chapter " data-level="5.9.2" data-path="../practice/dashboard-upgrade.html">
<a href="../practice/dashboard-upgrade.html">
<b>5.9.2.</b>
升级dashboard
</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>
</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/istio.html">
<a href="../usecases/istio.html">
<b>6.3.1.</b>
Istio
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.1.1" data-path="../usecases/istio-installation.html">
<a href="../usecases/istio-installation.html">
<b>6.3.1.1.</b>
安装并试用Istio service mesh
</a>
</li>
<li class="chapter " data-level="6.3.1.2" data-path="../usecases/configuring-request-routing.html">
<a href="../usecases/configuring-request-routing.html">
<b>6.3.1.2.</b>
配置请求的路由规则
</a>
</li>
<li class="chapter " data-level="6.3.1.3" data-path="../usecases/install-and-expand-istio-mesh.html">
<a href="../usecases/install-and-expand-istio-mesh.html">
<b>6.3.1.3.</b>
安装和拓展Istio service mesh
</a>
</li>
<li class="chapter " data-level="6.3.1.4" data-path="../usecases/integrating-vms.html">
<a href="../usecases/integrating-vms.html">
<b>6.3.1.4.</b>
集成虚拟机
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.2" data-path="../usecases/linkerd.html">
<a href="../usecases/linkerd.html">
<b>6.3.2.</b>
Linkerd
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.2.1" data-path="../usecases/linkerd-user-guide.html">
<a href="../usecases/linkerd-user-guide.html">
<b>6.3.2.1.</b>
Linkerd 使用指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.3" data-path="../usecases/conduit.html">
<a href="../usecases/conduit.html">
<b>6.3.3.</b>
Conduit
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.3.1" data-path="../usecases/conduit-overview.html">
<a href="../usecases/conduit-overview.html">
<b>6.3.3.1.</b>
Condiut概览
</a>
</li>
<li class="chapter " data-level="6.3.3.2" data-path="../usecases/conduit-installation.html">
<a href="../usecases/conduit-installation.html">
<b>6.3.3.2.</b>
安装Conduit
</a>
</li>
</ul>
</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-函数即服务
</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>
</ul>
</li>
<li class="chapter " data-level="6.6" data-path="../usecases/edge-computing.html">
<a href="../usecases/edge-computing.html">
<b>6.6.</b>
边缘计算
</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>
</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>
</li>
<li class="chapter " data-level="7.7" data-path="../develop/contribute.html">
<a href="../develop/contribute.html">
<b>7.7.</b>
社区贡献
</a>
</li>
<li class="chapter " data-level="7.8" data-path="../develop/minikube.html">
<a href="../develop/minikube.html">
<b>7.8.</b>
Minikube
</a>
</li>
<li class="header">附录</li>
<li class="chapter " data-level="8.1" data-path="../appendix/">
<a href="../appendix/">
<b>8.1.</b>
附录说明
</a>
</li>
<li class="chapter " data-level="8.2" data-path="../appendix/debug-kubernetes-services.html">
<a href="../appendix/debug-kubernetes-services.html">
<b>8.2.</b>
Kubernetes中的应用故障排查
</a>
</li>
<li class="chapter " data-level="8.3" data-path="../appendix/material-share.html">
<a href="../appendix/material-share.html">
<b>8.3.</b>
Kubernetes相关资讯和情报链接
</a>
</li>
<li class="chapter " data-level="8.4" data-path="../appendix/docker-best-practice.html">
<a href="../appendix/docker-best-practice.html">
<b>8.4.</b>
Docker最佳实践
</a>
</li>
<li class="chapter " data-level="8.5" data-path="../appendix/tricks.html">
<a href="../appendix/tricks.html">
<b>8.5.</b>
使用技巧
</a>
</li>
<li class="chapter " data-level="8.6" data-path="../appendix/issues.html">
<a href="../appendix/issues.html">
<b>8.6.</b>
问题记录
</a>
</li>
<li class="chapter " data-level="8.7" data-path="../appendix/kubernetes-changelog.html">
<a href="../appendix/kubernetes-changelog.html">
<b>8.7.</b>
Kubernetes版本更新日志
</a>
<ul class="articles">
<li class="chapter " data-level="8.7.1" data-path="../appendix/kubernetes-1.7-changelog.html">
<a href="../appendix/kubernetes-1.7-changelog.html">
<b>8.7.1.</b>
Kubernetes1.7更新日志
</a>
</li>
<li class="chapter " data-level="8.7.2" data-path="../appendix/kubernetes-1.8-changelog.html">
<a href="../appendix/kubernetes-1.8-changelog.html">
<b>8.7.2.</b>
Kubernetes1.8更新日志
</a>
</li>
<li class="chapter " data-level="8.7.3" data-path="../appendix/kubernetes-1.9-changelog.html">
<a href="../appendix/kubernetes-1.9-changelog.html">
<b>8.7.3.</b>
Kubernetes1.9更新日志
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="8.8" data-path="../appendix/summary-and-outlook.html">
<a href="../appendix/summary-and-outlook.html">
<b>8.8.</b>
Kubernetes及云原生年度总结及展望
</a>
<ul class="articles">
<li class="chapter " data-level="8.8.1" 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>8.8.1.</b>
Kubernetes与云原生2017年年终总结及2018年展望
</a>
</li>
</ul>
</li>
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<a href=".." >ConfigMap</a>
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<h2 id="configmap">ConfigMap</h2>
<p>&#x5176;&#x5B9E;ConfigMap&#x529F;&#x80FD;&#x5728;Kubernetes1.2&#x7248;&#x672C;&#x7684;&#x65F6;&#x5019;&#x5C31;&#x6709;&#x4E86;&#xFF0C;&#x8BB8;&#x591A;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x4F1A;&#x4ECE;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x3001;&#x547D;&#x4EE4;&#x884C;&#x53C2;&#x6570;&#x6216;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x4E2D;&#x8BFB;&#x53D6;&#x914D;&#x7F6E;&#x4FE1;&#x606F;&#x3002;&#x8FD9;&#x4E9B;&#x914D;&#x7F6E;&#x4FE1;&#x606F;&#x9700;&#x8981;&#x4E0E;docker image&#x89E3;&#x8026;&#xFF0C;&#x4F60;&#x603B;&#x4E0D;&#x80FD;&#x6BCF;&#x4FEE;&#x6539;&#x4E00;&#x4E2A;&#x914D;&#x7F6E;&#x5C31;&#x91CD;&#x505A;&#x4E00;&#x4E2A;image&#x5427;&#xFF1F;ConfigMap API&#x7ED9;&#x6211;&#x4EEC;&#x63D0;&#x4F9B;&#x4E86;&#x5411;&#x5BB9;&#x5668;&#x4E2D;&#x6CE8;&#x5165;&#x914D;&#x7F6E;&#x4FE1;&#x606F;&#x7684;&#x673A;&#x5236;&#xFF0C;ConfigMap&#x53EF;&#x4EE5;&#x88AB;&#x7528;&#x6765;&#x4FDD;&#x5B58;&#x5355;&#x4E2A;&#x5C5E;&#x6027;&#xFF0C;&#x4E5F;&#x53EF;&#x4EE5;&#x7528;&#x6765;&#x4FDD;&#x5B58;&#x6574;&#x4E2A;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x6216;&#x8005;JSON&#x4E8C;&#x8FDB;&#x5236;&#x5927;&#x5BF9;&#x8C61;&#x3002;</p>
<h2 id="configmap&#x6982;&#x89C8;">ConfigMap&#x6982;&#x89C8;</h2>
<p><strong>ConfigMap API</strong>&#x8D44;&#x6E90;&#x7528;&#x6765;&#x4FDD;&#x5B58;<strong>key-value pair</strong>&#x914D;&#x7F6E;&#x6570;&#x636E;&#xFF0C;&#x8FD9;&#x4E2A;&#x6570;&#x636E;&#x53EF;&#x4EE5;&#x5728;<strong>pods</strong>&#x91CC;&#x4F7F;&#x7528;&#xFF0C;&#x6216;&#x8005;&#x88AB;&#x7528;&#x6765;&#x4E3A;&#x50CF;<strong>controller</strong>&#x4E00;&#x6837;&#x7684;&#x7CFB;&#x7EDF;&#x7EC4;&#x4EF6;&#x5B58;&#x50A8;&#x914D;&#x7F6E;&#x6570;&#x636E;&#x3002;&#x867D;&#x7136;ConfigMap&#x8DDF;<a href="https://kubernetes.io/docs/user-guide/secrets/" target="_blank">Secrets</a>&#x7C7B;&#x4F3C;&#xFF0C;&#x4F46;&#x662F;ConfigMap&#x66F4;&#x65B9;&#x4FBF;&#x7684;&#x5904;&#x7406;&#x4E0D;&#x542B;&#x654F;&#x611F;&#x4FE1;&#x606F;&#x7684;&#x5B57;&#x7B26;&#x4E32;&#x3002; &#x6CE8;&#x610F;&#xFF1A;ConfigMaps&#x4E0D;&#x662F;&#x5C5E;&#x6027;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x7684;&#x66FF;&#x4EE3;&#x54C1;&#x3002;ConfigMaps&#x53EA;&#x662F;&#x4F5C;&#x4E3A;&#x591A;&#x4E2A;properties&#x6587;&#x4EF6;&#x7684;&#x5F15;&#x7528;&#x3002;&#x4F60;&#x53EF;&#x4EE5;&#x628A;&#x5B83;&#x7406;&#x89E3;&#x4E3A;Linux&#x7CFB;&#x7EDF;&#x4E2D;&#x7684;<code>/etc</code>&#x76EE;&#x5F55;&#xFF0C;&#x4E13;&#x95E8;&#x7528;&#x6765;&#x5B58;&#x50A8;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x7684;&#x76EE;&#x5F55;&#x3002;&#x4E0B;&#x9762;&#x4E3E;&#x4E2A;&#x4F8B;&#x5B50;&#xFF0C;&#x4F7F;&#x7528;ConfigMap&#x914D;&#x7F6E;&#x6765;&#x521B;&#x5EFA;Kuberntes Volumes&#xFF0C;ConfigMap&#x4E2D;&#x7684;&#x6BCF;&#x4E2A;data&#x9879;&#x90FD;&#x4F1A;&#x6210;&#x4E3A;&#x4E00;&#x4E2A;&#x65B0;&#x6587;&#x4EF6;&#x3002;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">kind:</span> ConfigMap
<span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> creationTimestamp:</span> <span class="hljs-number">2016</span><span class="hljs-bullet">-02</span><span class="hljs-bullet">-18</span>T19:<span class="hljs-number">14</span>:<span class="hljs-number">38</span>Z
<span class="hljs-attr"> name:</span> example-config
<span class="hljs-attr"> namespace:</span> default
<span class="hljs-attr">data:</span>
example.property<span class="hljs-number">.1</span>: hello
example.property<span class="hljs-number">.2</span>: world
example.property.file: |-
property<span class="hljs-number">.1</span>=value<span class="hljs-bullet">-1</span>
property<span class="hljs-number">.2</span>=value<span class="hljs-bullet">-2</span>
property<span class="hljs-number">.3</span>=value<span class="hljs-bullet">-3</span>
</code></pre>
<p><code>data</code>&#x4E00;&#x680F;&#x5305;&#x62EC;&#x4E86;&#x914D;&#x7F6E;&#x6570;&#x636E;&#xFF0C;ConfigMap&#x53EF;&#x4EE5;&#x88AB;&#x7528;&#x6765;&#x4FDD;&#x5B58;&#x5355;&#x4E2A;&#x5C5E;&#x6027;&#xFF0C;&#x4E5F;&#x53EF;&#x4EE5;&#x7528;&#x6765;&#x4FDD;&#x5B58;&#x4E00;&#x4E2A;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x3002; &#x914D;&#x7F6E;&#x6570;&#x636E;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x5F88;&#x591A;&#x79CD;&#x65B9;&#x5F0F;&#x5728;Pods&#x91CC;&#x88AB;&#x4F7F;&#x7528;&#x3002;ConfigMaps&#x53EF;&#x4EE5;&#x88AB;&#x7528;&#x6765;&#xFF1A;</p>
<ol>
<li>&#x8BBE;&#x7F6E;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x7684;&#x503C;</li>
<li>&#x5728;&#x5BB9;&#x5668;&#x91CC;&#x8BBE;&#x7F6E;&#x547D;&#x4EE4;&#x884C;&#x53C2;&#x6570;</li>
<li>&#x5728;&#x6570;&#x636E;&#x5377;&#x91CC;&#x9762;&#x521B;&#x5EFA;config&#x6587;&#x4EF6;</li>
</ol>
<p>&#x7528;&#x6237;&#x548C;&#x7CFB;&#x7EDF;&#x7EC4;&#x4EF6;&#x4E24;&#x8005;&#x90FD;&#x53EF;&#x4EE5;&#x5728;ConfigMap&#x91CC;&#x9762;&#x5B58;&#x50A8;&#x914D;&#x7F6E;&#x6570;&#x636E;&#x3002;</p>
<p>&#x5176;&#x5B9E;&#x4E0D;&#x7528;&#x770B;&#x4E0B;&#x9762;&#x7684;&#x6587;&#x7AE0;&#xFF0C;&#x76F4;&#x63A5;&#x4ECE;<code>kubectl create configmap -h</code>&#x7684;&#x5E2E;&#x52A9;&#x4FE1;&#x606F;&#x4E2D;&#x5C31;&#x53EF;&#x4EE5;&#x5BF9;ConfigMap&#x7A76;&#x7ADF;&#x5982;&#x4F55;&#x521B;&#x5EFA;&#x7565;&#x77E5;&#x4E00;&#x4E8C;&#x4E86;&#x3002;</p>
<pre><code>Examples:
# Create a new configmap named my-config based on folder bar
kubectl create configmap my-config --from-file=path/to/bar
# Create a new configmap named my-config with specified keys instead of file basenames on disk
kubectl create configmap my-config --from-file=key1=/path/to/bar/file1.txt --from-file=key2=/path/to/bar/file2.txt
# Create a new configmap named my-config with key1=config1 and key2=config2
kubectl create configmap my-config --from-literal=key1=config1 --from-literal=key2=config2
</code></pre><h2 id="&#x521B;&#x5EFA;configmaps">&#x521B;&#x5EFA;ConfigMaps</h2>
<p>&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x8BE5;&#x547D;&#x4EE4;&#xFF0C;&#x7528;&#x7ED9;&#x5B9A;&#x503C;&#x3001;&#x6587;&#x4EF6;&#x6216;&#x76EE;&#x5F55;&#x6765;&#x521B;&#x5EFA;ConfigMap&#x3002;</p>
<pre><code>kubectl create configmap
</code></pre><h3 id="&#x4F7F;&#x7528;&#x76EE;&#x5F55;&#x521B;&#x5EFA;">&#x4F7F;&#x7528;&#x76EE;&#x5F55;&#x521B;&#x5EFA;</h3>
<p>&#x6BD4;&#x5982;&#x6211;&#x4EEC;&#x5DF2;&#x7ECF;&#x6709;&#x4E2A;&#x4E86;&#x5305;&#x542B;&#x4E00;&#x4E9B;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#xFF0C;&#x5176;&#x4E2D;&#x5305;&#x542B;&#x4E86;&#x6211;&#x4EEC;&#x60F3;&#x8981;&#x8BBE;&#x7F6E;&#x7684;ConfigMap&#x7684;&#x503C;&#xFF1A;</p>
<pre><code class="lang-bash">$ ls docs/user-guide/configmap/kubectl/
game.properties
ui.properties
$ cat docs/user-guide/configmap/kubectl/game.properties
enemies=aliens
lives=3
enemies.cheat=<span class="hljs-literal">true</span>
enemies.cheat.level=noGoodRotten
secret.code.passphrase=UUDDLRLRBABAS
secret.code.allowed=<span class="hljs-literal">true</span>
secret.code.lives=30
$ cat docs/user-guide/configmap/kubectl/ui.properties
color.good=purple
color.bad=yellow
allow.textmode=<span class="hljs-literal">true</span>
how.nice.to.look=fairlyNice
</code></pre>
<p>&#x4F7F;&#x7528;&#x4E0B;&#x9762;&#x7684;&#x547D;&#x4EE4;&#x53EF;&#x4EE5;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x5305;&#x542B;&#x76EE;&#x5F55;&#x4E2D;&#x6240;&#x6709;&#x6587;&#x4EF6;&#x7684;ConfigMap&#x3002;</p>
<pre><code class="lang-bash">$ kubectl create configmap game-config --from-file=docs/user-guide/configmap/kubectl
</code></pre>
<p><code>&#x2014;from-file</code>&#x6307;&#x5B9A;&#x5728;&#x76EE;&#x5F55;&#x4E0B;&#x7684;&#x6240;&#x6709;&#x6587;&#x4EF6;&#x90FD;&#x4F1A;&#x88AB;&#x7528;&#x5728;ConfigMap&#x91CC;&#x9762;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x952E;&#x503C;&#x5BF9;&#xFF0C;&#x952E;&#x7684;&#x540D;&#x5B57;&#x5C31;&#x662F;&#x6587;&#x4EF6;&#x540D;&#xFF0C;&#x503C;&#x5C31;&#x662F;&#x6587;&#x4EF6;&#x7684;&#x5185;&#x5BB9;&#x3002;</p>
<p>&#x8BA9;&#x6211;&#x4EEC;&#x6765;&#x770B;&#x4E00;&#x4E0B;&#x8FD9;&#x4E2A;&#x547D;&#x4EE4;&#x521B;&#x5EFA;&#x7684;ConfigMap&#xFF1A;</p>
<pre><code class="lang-Yaml">$ kubectl describe configmaps game-config
<span class="hljs-attr">Name:</span> game-config
<span class="hljs-attr">Namespace:</span> default
<span class="hljs-attr">Labels:</span> &lt;none<span class="hljs-string">&gt;
</span><span class="hljs-attr">Annotations:</span> &lt;none<span class="hljs-string">&gt;
Data
====
game.properties: 158 bytes
ui.properties: 83 bytes
</span></code></pre>
<p>&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x770B;&#x5230;&#x90A3;&#x4E24;&#x4E2A;key&#x662F;&#x4ECE;kubectl&#x6307;&#x5B9A;&#x7684;&#x76EE;&#x5F55;&#x4E2D;&#x7684;&#x6587;&#x4EF6;&#x540D;&#x3002;&#x8FD9;&#x4E9B;key&#x7684;&#x5185;&#x5BB9;&#x53EF;&#x80FD;&#x4F1A;&#x5F88;&#x5927;&#xFF0C;&#x6240;&#x4EE5;&#x5728;kubectl describe&#x7684;&#x8F93;&#x51FA;&#x4E2D;&#xFF0C;&#x53EA;&#x80FD;&#x591F;&#x770B;&#x5230;&#x952E;&#x7684;&#x540D;&#x5B57;&#x548C;&#x4ED6;&#x4EEC;&#x7684;&#x5927;&#x5C0F;&#x3002; &#x5982;&#x679C;&#x60F3;&#x8981;&#x770B;&#x5230;&#x952E;&#x7684;&#x503C;&#x7684;&#x8BDD;&#xFF0C;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;<code>kubectl get</code>&#xFF1A;</p>
<pre><code class="lang-bash">$ kubectl get configmaps game-config -o yaml
</code></pre>
<p>&#x6211;&#x4EEC;&#x4EE5;<code>yaml</code>&#x683C;&#x5F0F;&#x8F93;&#x51FA;&#x914D;&#x7F6E;&#x3002;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">data:</span>
game.properties: <span class="hljs-string">|
enemies=aliens
lives=3
enemies.cheat=true
enemies.cheat.level=noGoodRotten
secret.code.passphrase=UUDDLRLRBABAS
secret.code.allowed=true
secret.code.lives=30
ui.properties: |
color.good=purple
color.bad=yellow
allow.textmode=true
how.nice.to.look=fairlyNice
</span><span class="hljs-attr">kind:</span> ConfigMap
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> creationTimestamp:</span> <span class="hljs-number">2016</span><span class="hljs-bullet">-02</span><span class="hljs-bullet">-18</span>T18:<span class="hljs-number">34</span>:<span class="hljs-number">05</span>Z
<span class="hljs-attr"> name:</span> game-config
<span class="hljs-attr"> namespace:</span> default
<span class="hljs-attr"> resourceVersion:</span> <span class="hljs-string">&quot;407&quot;</span>
<span class="hljs-attr"> selfLink:</span> /api/v1/namespaces/default/configmaps/game-config
<span class="hljs-attr"> uid:</span> <span class="hljs-number">30944725</span>-d66e<span class="hljs-bullet">-11e5</span><span class="hljs-bullet">-8</span>cd0<span class="hljs-bullet">-68</span>f728db1985
</code></pre>
<h3 id="&#x4F7F;&#x7528;&#x6587;&#x4EF6;&#x521B;&#x5EFA;">&#x4F7F;&#x7528;&#x6587;&#x4EF6;&#x521B;&#x5EFA;</h3>
<p>&#x521A;&#x624D;<strong>&#x4F7F;&#x7528;&#x76EE;&#x5F55;&#x521B;&#x5EFA;</strong>&#x7684;&#x65F6;&#x5019;&#x6211;&#x4EEC;<code>&#x2014;from-file</code>&#x6307;&#x5B9A;&#x7684;&#x662F;&#x4E00;&#x4E2A;&#x76EE;&#x5F55;&#xFF0C;&#x53EA;&#x8981;&#x6307;&#x5B9A;&#x4E3A;&#x4E00;&#x4E2A;&#x6587;&#x4EF6;&#x5C31;&#x53EF;&#x4EE5;&#x4ECE;&#x5355;&#x4E2A;&#x6587;&#x4EF6;&#x4E2D;&#x521B;&#x5EFA;ConfigMap&#x3002;</p>
<pre><code class="lang-bash">$ kubectl create configmap game-config-2 --from-file=docs/user-guide/configmap/kubectl/game.properties
$ kubectl get configmaps game-config-2 -o yaml
</code></pre>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">data:</span>
<span class="hljs-attr"> game-special-key:</span> <span class="hljs-string">|
enemies=aliens
lives=3
enemies.cheat=true
enemies.cheat.level=noGoodRotten
secret.code.passphrase=UUDDLRLRBABAS
secret.code.allowed=true
secret.code.lives=30
</span><span class="hljs-attr">kind:</span> ConfigMap
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> creationTimestamp:</span> <span class="hljs-number">2016</span><span class="hljs-bullet">-02</span><span class="hljs-bullet">-18</span>T18:<span class="hljs-number">54</span>:<span class="hljs-number">22</span>Z
<span class="hljs-attr"> name:</span> game-config<span class="hljs-bullet">-3</span>
<span class="hljs-attr"> namespace:</span> default
<span class="hljs-attr"> resourceVersion:</span> <span class="hljs-string">&quot;530&quot;</span>
<span class="hljs-attr"> selfLink:</span> /api/v1/namespaces/default/configmaps/game-config<span class="hljs-bullet">-3</span>
<span class="hljs-attr"> uid:</span> <span class="hljs-number">05</span>f8da22-d671<span class="hljs-bullet">-11e5</span><span class="hljs-bullet">-8</span>cd0<span class="hljs-bullet">-68</span>f728db1985
</code></pre>
<p><code>&#x2014;from-file</code>&#x8FD9;&#x4E2A;&#x53C2;&#x6570;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x591A;&#x6B21;&#xFF0C;&#x4F60;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x4E24;&#x6B21;&#x5206;&#x522B;&#x6307;&#x5B9A;&#x4E0A;&#x4E2A;&#x5B9E;&#x4F8B;&#x4E2D;&#x7684;&#x90A3;&#x4E24;&#x4E2A;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#xFF0C;&#x6548;&#x679C;&#x5C31;&#x8DDF;&#x6307;&#x5B9A;&#x6574;&#x4E2A;&#x76EE;&#x5F55;&#x662F;&#x4E00;&#x6837;&#x7684;&#x3002;</p>
<h3 id="&#x4F7F;&#x7528;&#x5B57;&#x9762;&#x503C;&#x521B;&#x5EFA;">&#x4F7F;&#x7528;&#x5B57;&#x9762;&#x503C;&#x521B;&#x5EFA;</h3>
<p>&#x4F7F;&#x7528;&#x6587;&#x5B57;&#x503C;&#x521B;&#x5EFA;&#xFF0C;&#x5229;&#x7528;<code>&#x2014;from-literal</code>&#x53C2;&#x6570;&#x4F20;&#x9012;&#x914D;&#x7F6E;&#x4FE1;&#x606F;&#xFF0C;&#x8BE5;&#x53C2;&#x6570;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x591A;&#x6B21;&#xFF0C;&#x683C;&#x5F0F;&#x5982;&#x4E0B;&#xFF1B;</p>
<pre><code class="lang-bash">$ kubectl create configmap special-config --from-literal=special.how=very --from-literal=special.type=charm
$ kubectl get configmaps special-config -o yaml
</code></pre>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">data:</span>
special.how: very
special.type: charm
<span class="hljs-attr">kind:</span> ConfigMap
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> creationTimestamp:</span> <span class="hljs-number">2016</span><span class="hljs-bullet">-02</span><span class="hljs-bullet">-18</span>T19:<span class="hljs-number">14</span>:<span class="hljs-number">38</span>Z
<span class="hljs-attr"> name:</span> special-config
<span class="hljs-attr"> namespace:</span> default
<span class="hljs-attr"> resourceVersion:</span> <span class="hljs-string">&quot;651&quot;</span>
<span class="hljs-attr"> selfLink:</span> /api/v1/namespaces/default/configmaps/special-config
<span class="hljs-attr"> uid:</span> dadce046-d673<span class="hljs-bullet">-11e5</span><span class="hljs-bullet">-8</span>cd0<span class="hljs-bullet">-68</span>f728db1985
</code></pre>
<h2 id="pod&#x4E2D;&#x4F7F;&#x7528;configmap">Pod&#x4E2D;&#x4F7F;&#x7528;ConfigMap</h2>
<p><strong>&#x4F7F;&#x7528;ConfigMap&#x6765;&#x66FF;&#x4EE3;&#x73AF;&#x5883;&#x53D8;&#x91CF;</strong></p>
<p>ConfigMap&#x53EF;&#x4EE5;&#x88AB;&#x7528;&#x6765;&#x586B;&#x5165;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x3002;&#x770B;&#x4E0B;&#x4E0B;&#x9762;&#x7684;ConfigMap&#x3002;</p>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> ConfigMap
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> special-config
<span class="hljs-attr"> namespace:</span> default
<span class="hljs-attr">data:</span>
special.how: very
special.type: charm
</code></pre>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> ConfigMap
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> env-config
<span class="hljs-attr"> namespace:</span> default
<span class="hljs-attr">data:</span>
<span class="hljs-attr"> log_level:</span> INFO
</code></pre>
<p>&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x5728;Pod&#x4E2D;&#x8FD9;&#x6837;&#x4F7F;&#x7528;ConfigMap&#xFF1A;</p>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> dapi-test-pod
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> test-container
<span class="hljs-attr"> image:</span> gcr.io/google_containers/busybox
<span class="hljs-attr"> command:</span> [ <span class="hljs-string">&quot;/bin/sh&quot;</span>, <span class="hljs-string">&quot;-c&quot;</span>, <span class="hljs-string">&quot;env&quot;</span> ]
<span class="hljs-attr"> env:</span>
<span class="hljs-attr"> - name:</span> SPECIAL_LEVEL_KEY
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> special-config
<span class="hljs-attr"> key:</span> special.how
<span class="hljs-attr"> - name:</span> SPECIAL_TYPE_KEY
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> special-config
<span class="hljs-attr"> key:</span> special.type
<span class="hljs-attr"> envFrom:</span>
<span class="hljs-attr"> - configMapRef:</span>
<span class="hljs-attr"> name:</span> env-config
<span class="hljs-attr"> restartPolicy:</span> Never
</code></pre>
<p>&#x8FD9;&#x4E2A;Pod&#x8FD0;&#x884C;&#x540E;&#x4F1A;&#x8F93;&#x51FA;&#x5982;&#x4E0B;&#x51E0;&#x884C;&#xFF1A;</p>
<pre><code>SPECIAL_LEVEL_KEY=very
SPECIAL_TYPE_KEY=charm
log_level=INFO
</code></pre><p><strong>&#x7528;ConfigMap&#x8BBE;&#x7F6E;&#x547D;&#x4EE4;&#x884C;&#x53C2;&#x6570;</strong></p>
<p>ConfigMap&#x4E5F;&#x53EF;&#x4EE5;&#x88AB;&#x4F7F;&#x7528;&#x6765;&#x8BBE;&#x7F6E;&#x5BB9;&#x5668;&#x4E2D;&#x7684;&#x547D;&#x4EE4;&#x6216;&#x8005;&#x53C2;&#x6570;&#x503C;&#x3002;&#x5B83;&#x4F7F;&#x7528;&#x7684;&#x662F;Kubernetes&#x7684;$(VAR_NAME)&#x66FF;&#x6362;&#x8BED;&#x6CD5;&#x3002;&#x6211;&#x4EEC;&#x770B;&#x4E0B;&#x4E0B;&#x9762;&#x8FD9;&#x4E2A;ConfigMap&#x3002;</p>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> ConfigMap
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> special-config
<span class="hljs-attr"> namespace:</span> default
<span class="hljs-attr">data:</span>
special.how: very
special.type: charm
</code></pre>
<p>&#x4E3A;&#x4E86;&#x5C06;ConfigMap&#x4E2D;&#x7684;&#x503C;&#x6CE8;&#x5165;&#x5230;&#x547D;&#x4EE4;&#x884C;&#x7684;&#x53C2;&#x6570;&#x91CC;&#x9762;&#xFF0C;&#x6211;&#x4EEC;&#x8FD8;&#x8981;&#x50CF;&#x524D;&#x9762;&#x90A3;&#x4E2A;&#x4F8B;&#x5B50;&#x4E00;&#x6837;&#x4F7F;&#x7528;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#x66FF;&#x6362;&#x8BED;&#x6CD5;<code>${VAR_NAME)</code>&#x3002;&#xFF08;&#x5176;&#x5B9E;&#x8FD9;&#x4E2A;&#x4E1C;&#x897F;&#x5C31;&#x662F;&#x7ED9;Docker&#x5BB9;&#x5668;&#x8BBE;&#x7F6E;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#xFF0C;&#x4EE5;&#x524D;&#x6211;&#x521B;&#x5EFA;&#x955C;&#x50CF;&#x7684;&#x65F6;&#x5019;&#x7ECF;&#x5E38;&#x8FD9;&#x4E48;&#x73A9;&#xFF0C;&#x901A;&#x8FC7;docker run&#x7684;&#x65F6;&#x5019;&#x6307;&#x5B9A;-e&#x53C2;&#x6570;&#x4FEE;&#x6539;&#x955C;&#x50CF;&#x91CC;&#x7684;&#x73AF;&#x5883;&#x53D8;&#x91CF;&#xFF0C;&#x7136;&#x540E;docker&#x7684;CMD&#x547D;&#x4EE4;&#x518D;&#x5229;&#x7528;&#x8BE5;$(VAR_NAME)&#x901A;&#x8FC7;sed&#x6765;&#x4FEE;&#x6539;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x6216;&#x8005;&#x4F5C;&#x4E3A;&#x547D;&#x4EE4;&#x884C;&#x542F;&#x52A8;&#x53C2;&#x6570;&#x3002;&#xFF09;</p>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> dapi-test-pod
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> test-container
<span class="hljs-attr"> image:</span> gcr.io/google_containers/busybox
<span class="hljs-attr"> command:</span> [ <span class="hljs-string">&quot;/bin/sh&quot;</span>, <span class="hljs-string">&quot;-c&quot;</span>, <span class="hljs-string">&quot;echo $(SPECIAL_LEVEL_KEY) $(SPECIAL_TYPE_KEY)&quot;</span> ]
<span class="hljs-attr"> env:</span>
<span class="hljs-attr"> - name:</span> SPECIAL_LEVEL_KEY
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> special-config
<span class="hljs-attr"> key:</span> special.how
<span class="hljs-attr"> - name:</span> SPECIAL_TYPE_KEY
<span class="hljs-attr"> valueFrom:</span>
<span class="hljs-attr"> configMapKeyRef:</span>
<span class="hljs-attr"> name:</span> special-config
<span class="hljs-attr"> key:</span> special.type
<span class="hljs-attr"> restartPolicy:</span> Never
</code></pre>
<p>&#x8FD0;&#x884C;&#x8FD9;&#x4E2A;Pod&#x540E;&#x4F1A;&#x8F93;&#x51FA;&#xFF1A;</p>
<pre><code>very charm
</code></pre><p><strong>&#x901A;&#x8FC7;&#x6570;&#x636E;&#x5377;&#x63D2;&#x4EF6;&#x4F7F;&#x7528;ConfigMap</strong></p>
<p>ConfigMap&#x4E5F;&#x53EF;&#x4EE5;&#x5728;&#x6570;&#x636E;&#x5377;&#x91CC;&#x9762;&#x88AB;&#x4F7F;&#x7528;&#x3002;&#x8FD8;&#x662F;&#x8FD9;&#x4E2A;ConfigMap&#x3002;</p>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> ConfigMap
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> special-config
<span class="hljs-attr"> namespace:</span> default
<span class="hljs-attr">data:</span>
special.how: very
special.type: charm
</code></pre>
<p>&#x5728;&#x6570;&#x636E;&#x5377;&#x91CC;&#x9762;&#x4F7F;&#x7528;&#x8FD9;&#x4E2A;ConfigMap&#xFF0C;&#x6709;&#x4E0D;&#x540C;&#x7684;&#x9009;&#x9879;&#x3002;&#x6700;&#x57FA;&#x672C;&#x7684;&#x5C31;&#x662F;&#x5C06;&#x6587;&#x4EF6;&#x586B;&#x5165;&#x6570;&#x636E;&#x5377;&#xFF0C;&#x5728;&#x8FD9;&#x4E2A;&#x6587;&#x4EF6;&#x4E2D;&#xFF0C;&#x952E;&#x5C31;&#x662F;&#x6587;&#x4EF6;&#x540D;&#xFF0C;&#x952E;&#x503C;&#x5C31;&#x662F;&#x6587;&#x4EF6;&#x5185;&#x5BB9;&#xFF1A;</p>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> dapi-test-pod
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> test-container
<span class="hljs-attr"> image:</span> gcr.io/google_containers/busybox
<span class="hljs-attr"> command:</span> [ <span class="hljs-string">&quot;/bin/sh&quot;</span>, <span class="hljs-string">&quot;-c&quot;</span>, <span class="hljs-string">&quot;cat /etc/config/special.how&quot;</span> ]
<span class="hljs-attr"> volumeMounts:</span>
<span class="hljs-attr"> - name:</span> config-volume
<span class="hljs-attr"> mountPath:</span> /etc/config
<span class="hljs-attr"> volumes:</span>
<span class="hljs-attr"> - name:</span> config-volume
<span class="hljs-attr"> configMap:</span>
<span class="hljs-attr"> name:</span> special-config
<span class="hljs-attr"> restartPolicy:</span> Never
</code></pre>
<p>&#x8FD0;&#x884C;&#x8FD9;&#x4E2A;Pod&#x7684;&#x8F93;&#x51FA;&#x662F;<code>very</code>&#x3002;</p>
<p>&#x6211;&#x4EEC;&#x4E5F;&#x53EF;&#x4EE5;&#x5728;ConfigMap&#x503C;&#x88AB;&#x6620;&#x5C04;&#x7684;&#x6570;&#x636E;&#x5377;&#x91CC;&#x63A7;&#x5236;&#x8DEF;&#x5F84;&#x3002;</p>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> dapi-test-pod
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> test-container
<span class="hljs-attr"> image:</span> gcr.io/google_containers/busybox
<span class="hljs-attr"> command:</span> [ <span class="hljs-string">&quot;/bin/sh&quot;</span>,<span class="hljs-string">&quot;-c&quot;</span>,<span class="hljs-string">&quot;cat /etc/config/path/to/special-key&quot;</span> ]
<span class="hljs-attr"> volumeMounts:</span>
<span class="hljs-attr"> - name:</span> config-volume
<span class="hljs-attr"> mountPath:</span> /etc/config
<span class="hljs-attr"> volumes:</span>
<span class="hljs-attr"> - name:</span> config-volume
<span class="hljs-attr"> configMap:</span>
<span class="hljs-attr"> name:</span> special-config
<span class="hljs-attr"> items:</span>
<span class="hljs-attr"> - key:</span> special.how
<span class="hljs-attr"> path:</span> path/to/special-key
<span class="hljs-attr"> restartPolicy:</span> Never
</code></pre>
<p>&#x8FD0;&#x884C;&#x8FD9;&#x4E2A;Pod&#x540E;&#x7684;&#x7ED3;&#x679C;&#x662F;<code>very</code>&#x3002; </p>
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_CAPTION_","label":"service mesh架构图","attributes":{},"skip":false,"key":"2.2.10"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig2.2.11","level":"2.2","list_caption":"Figure: kibana界面","alt":"kibana界面","nro":12,"url":"../images/filebeat-docker-test.jpg","index":11,"caption_template":"图片 - _CAPTION_","label":"kibana界面","attributes":{},"skip":false,"key":"2.2.11"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig2.2.12","level":"2.2","list_caption":"Figure: Grafana界面示意图1","alt":"Grafana界面示意图1","nro":13,"url":"../images/kubernetes-devops-example-grafana-1.png","index":12,"caption_template":"图片 - _CAPTION_","label":"Grafana界面示意图1","attributes":{},"skip":false,"key":"2.2.12"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig2.2.13","level":"2.2","list_caption":"Figure: Grafana界面示意图2","alt":"Grafana界面示意图2","nro":14,"url":"../images/kubernetes-devops-example-grafana-2.png","index":13,"caption_template":"图片 - _CAPTION_","label":"Grafana界面示意图2","attributes":{},"skip":false,"key":"2.2.13"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig2.2.14","level":"2.2","list_caption":"Figure: Grafana界面示意图3","alt":"Grafana界面示意图3","nro":15,"url":"../images/kubernetes-devops-example-grafana-3.png","index":14,"caption_template":"图片 - _CAPTION_","label":"Grafana界面示意图3","attributes":{},"skip":false,"key":"2.2.14"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig2.2.15","level":"2.2","list_caption":"Figure: dashboard","alt":"dashboard","nro":16,"url":"../images/spark-job-on-kubernetes-example-1.jpg","index":15,"caption_template":"图片 - _CAPTION_","label":"dashboard","attributes":{},"skip":false,"key":"2.2.15"},{"backlink":"cloud-native/kubernetes-and-cloud-native-app-overview.html#fig2.2.16","level":"2.2","list_caption":"Figure: Grafana","alt":"Grafana","nro":17,"url":"../images/spark-job-on-kubernetes-example-2.jpg","index":16,"caption_template":"图片 - _CAPTION_","label":"Grafana","attributes":{},"skip":false,"key":"2.2.16"},{"backlink":"cloud-native/from-kubernetes-to-cloud-native.html#fig2.3.1","level":"2.3","list_caption":"Figure: Cloud Native容器实验室","alt":"Cloud Native容器实验室","nro":18,"url":"https://res.cloudinary.com/jimmysong/image/upload/images/cloud-native-container-lab.jpg","index":1,"caption_template":"图片 - _CAPTION_","label":"Cloud Native容器实验室","attributes":{},"skip":false,"key":"2.3.1"},{"backlink":"cloud-native/from-kubernetes-to-cloud-native.html#fig2.3.2","level":"2.3","list_caption":"Figure: 容器生态图 Container ecosystem","alt":"容器生态图 Container ecosystem","nro":19,"url":"../images/container-ecosystem.png","index":2,"caption_template":"图片 - _CAPTION_","label":"容器生态图 Container ecosystem","attributes":{},"skip":false,"key":"2.3.2"},{"backlink":"cloud-native/from-kubernetes-to-cloud-native.html#fig2.3.3","level":"2.3","list_caption":"Figure: Cloud Native油井","alt":"Cloud Native油井","nro":20,"url":"https://res.cloudinary.com/jimmysong/image/upload/images/cloud-native-oil-well.jpg","index":3,"caption_template":"图片 - _CAPTION_","label":"Cloud Native油井","attributes":{},"skip":false,"key":"2.3.3"},{"backlink":"cloud-native/from-kubernetes-to-cloud-native.html#fig2.3.4","level":"2.3","list_caption":"Figure: Kuberentes架构","alt":"Kuberentes架构","nro":21,"url":"../images/kubernetes-high-level-component-archtecture.jpg","index":4,"caption_template":"图片 - _CAPTION_","label":"Kuberentes架构","attributes":{},"skip":false,"key":"2.3.4"},{"backlink":"cloud-native/from-kubernetes-to-cloud-native.html#fig2.3.5","level":"2.3","list_caption":"Figure: Cloud Native Core target","alt":"Cloud Native Core target","nro":22,"url":"../images/cloud-native-core-target.jpg","index":5,"caption_template":"图片 - _CAPTION_","label":"Cloud Native Core target","attributes":{},"skip":false,"key":"2.3.5"},{"backlink":"cloud-native/from-kubernetes-to-cloud-native.html#fig2.3.6","level":"2.3","list_caption":"Figure: FaaS Landscape","alt":"FaaS Landscape","nro":23,"url":"../images/redpoint-faas-landscape.jpg","index":6,"caption_template":"图片 - _CAPTION_","label":"FaaS Landscape","attributes":{},"skip":false,"key":"2.3.6"},{"backlink":"cloud-native/from-kubernetes-to-cloud-native.html#fig2.3.7","level":"2.3","list_caption":"Figure: Workloads running on Kubernetes","alt":"Workloads running on Kubernetes","nro":24,"url":"https://res.cloudinary.com/jimmysong/image/upload/images/workloads-running-on-kubernetes-2017-thenewstack.jpg","index":7,"caption_template":"图片 - 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