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< a href = "https://jimmysong.io" target = "_blank" class = "custom-link" > Jimmy Song< / a >
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< li class = "divider" > < / li >
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< li class = "header" > 前言< / li >
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< a href = "../" >
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< b > 1.1.< / b >
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序言
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< li class = "chapter " data-level = "1.2" data-path = "../cloud-native/kubernetes-and-cloud-native-app-overview.html" >
< a href = "../cloud-native/kubernetes-and-cloud-native-app-overview.html" >
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< b > 1.2.< / b >
Kubernetes与云原生应用概览
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< / li >
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< li class = "header" > 概念与原理< / li >
< li class = "chapter " data-level = "2.1" data-path = "./" >
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< a href = "./" >
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< b > 2.1.< / b >
Kubernetes架构
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< / li >
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< li class = "chapter " data-level = "2.2" data-path = "concepts.html" >
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< a href = "concepts.html" >
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< b > 2.2.< / b >
设计理念
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< / li >
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< li class = "chapter " data-level = "2.3" data-path = "objects.html" >
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< a href = "objects.html" >
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< b > 2.3.< / b >
资源对象与基本概念解析
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< ul class = "articles" >
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< li class = "chapter " data-level = "2.3.1" data-path = "pod-overview.html" >
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< a href = "pod-overview.html" >
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< b > 2.3.1.< / b >
Pod
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< li class = "chapter " data-level = "2.3.1.1" data-path = "pod.html" >
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< a href = "pod.html" >
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< b > 2.3.1.1.< / b >
Pod解析
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< li class = "chapter " data-level = "2.3.1.2" data-path = "init-containers.html" >
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< a href = "init-containers.html" >
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< b > 2.3.1.2.< / b >
Init容器
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< / li >
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< li class = "chapter " data-level = "2.3.1.3" data-path = "pod-security-policy.html" >
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< a href = "pod-security-policy.html" >
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< b > 2.3.1.3.< / b >
Pod安全策略
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< li class = "chapter " data-level = "2.3.1.4" data-path = "pod-lifecycle.html" >
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< a href = "pod-lifecycle.html" >
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< b > 2.3.1.4.< / b >
Pod的生命周期
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< li class = "chapter " data-level = "2.3.1.5" data-path = "pod-hook.html" >
< a href = "pod-hook.html" >
< b > 2.3.1.5.< / b >
Pod hook
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< li class = "chapter " data-level = "2.3.2" data-path = "node.html" >
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< a href = "node.html" >
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< b > 2.3.2.< / b >
Node
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< / li >
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< li class = "chapter " data-level = "2.3.3" data-path = "namespace.html" >
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< a href = "namespace.html" >
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< b > 2.3.3.< / b >
Namespace
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< / li >
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< li class = "chapter " data-level = "2.3.4" data-path = "service.html" >
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< a href = "service.html" >
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< b > 2.3.4.< / b >
Service
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< / a >
< / li >
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< li class = "chapter " data-level = "2.3.5" data-path = "volume.html" >
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< a href = "volume.html" >
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< b > 2.3.5.< / b >
Volume和Persistent Volume
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< / li >
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< li class = "chapter " data-level = "2.3.6" data-path = "deployment.html" >
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< a href = "deployment.html" >
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< b > 2.3.6.< / b >
Deployment
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< / li >
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< li class = "chapter " data-level = "2.3.7" data-path = "secret.html" >
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< a href = "secret.html" >
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< b > 2.3.7.< / b >
Secret
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< / li >
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< li class = "chapter " data-level = "2.3.8" data-path = "statefulset.html" >
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< a href = "statefulset.html" >
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< b > 2.3.8.< / b >
StatefulSet
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< / li >
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< li class = "chapter " data-level = "2.3.9" data-path = "daemonset.html" >
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< a href = "daemonset.html" >
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< b > 2.3.9.< / b >
DaemonSet
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< / li >
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< li class = "chapter " data-level = "2.3.10" data-path = "serviceaccount.html" >
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< a href = "serviceaccount.html" >
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< b > 2.3.10.< / b >
ServiceAccount
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< / li >
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< li class = "chapter " data-level = "2.3.11" data-path = "replicaset.html" >
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< a href = "replicaset.html" >
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< b > 2.3.11.< / b >
ReplicationController和ReplicaSet
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< / li >
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< li class = "chapter " data-level = "2.3.12" data-path = "job.html" >
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< a href = "job.html" >
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< b > 2.3.12.< / b >
Job
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< / a >
< / li >
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< li class = "chapter " data-level = "2.3.13" data-path = "cronjob.html" >
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< a href = "cronjob.html" >
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< b > 2.3.13.< / b >
CronJob
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< / li >
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< li class = "chapter " data-level = "2.3.14" data-path = "ingress.html" >
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< a href = "ingress.html" >
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< b > 2.3.14.< / b >
Ingress
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< / li >
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< li class = "chapter " data-level = "2.3.15" data-path = "configmap.html" >
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< a href = "configmap.html" >
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< b > 2.3.15.< / b >
ConfigMap
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< / a >
< ul class = "articles" >
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< li class = "chapter active" data-level = "2.3.15.1" data-path = "configmap-hot-update.html" >
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< a href = "configmap-hot-update.html" >
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< b > 2.3.15.1.< / b >
ConfigMap的热更新
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< / a >
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< / li >
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< li class = "chapter " data-level = "2.3.16" data-path = "horizontal-pod-autoscaling.html" >
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< a href = "horizontal-pod-autoscaling.html" >
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< b > 2.3.16.< / b >
Horizontal Pod Autoscaling
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< / a >
< / li >
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< li class = "chapter " data-level = "2.3.17" data-path = "label.html" >
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< a href = "label.html" >
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< b > 2.3.17.< / b >
Label
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< / li >
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< li class = "chapter " data-level = "2.3.18" data-path = "garbage-collection.html" >
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< a href = "garbage-collection.html" >
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< b > 2.3.18.< / b >
垃圾收集
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< / a >
< / li >
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< li class = "chapter " data-level = "2.3.19" data-path = "network-policy.html" >
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< a href = "network-policy.html" >
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< b > 2.3.19.< / b >
NetworkPolicy
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< li class = "chapter " data-level = "2.3.20" data-path = "annotation.html" >
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< a href = "annotation.html" >
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< b > 2.3.20.< / b >
Annotation
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< / li >
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< li class = "header" > 用户指南< / li >
< li class = "chapter " data-level = "3.1" data-path = "../guide/" >
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< a href = "../guide/" >
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< b > 3.1.< / b >
用户指南
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< / li >
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< li class = "chapter " data-level = "3.2" data-path = "../guide/resource-configuration.html" >
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< a href = "../guide/resource-configuration.html" >
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< b > 3.2.< / b >
资源对象配置
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< / a >
< ul class = "articles" >
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< li class = "chapter " data-level = "3.2.1" data-path = "../guide/configure-liveness-readiness-probes.html" >
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< a href = "../guide/configure-liveness-readiness-probes.html" >
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< b > 3.2.1.< / b >
配置Pod的liveness和readiness探针
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< / a >
< / li >
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< li class = "chapter " data-level = "3.2.2" data-path = "../guide/configure-pod-service-account.html" >
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< a href = "../guide/configure-pod-service-account.html" >
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< b > 3.2.2.< / b >
配置Pod的Service Account
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< / a >
< / li >
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< li class = "chapter " data-level = "3.2.3" data-path = "../guide/secret-configuration.html" >
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< a href = "../guide/secret-configuration.html" >
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< b > 3.2.3.< / b >
Secret配置
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< / li >
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< li class = "chapter " data-level = "3.2.4" data-path = "../guide/resource-quota-management.html" >
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< a href = "../guide/resource-quota-management.html" >
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< b > 3.2.4.< / b >
管理namespace中的资源配额
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< li class = "chapter " data-level = "3.3" data-path = "../guide/command-usage.html" >
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< a href = "../guide/command-usage.html" >
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< b > 3.3.< / b >
命令使用
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< / a >
< ul class = "articles" >
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< li class = "chapter " data-level = "3.3.1" data-path = "../guide/docker-cli-to-kubectl.html" >
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< a href = "../guide/docker-cli-to-kubectl.html" >
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< b > 3.3.1.< / b >
docker用户过度到kubectl命令行指南
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< / a >
< / li >
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< li class = "chapter " data-level = "3.3.2" data-path = "../guide/using-kubectl.html" >
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< a href = "../guide/using-kubectl.html" >
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< b > 3.3.2.< / b >
kubectl命令概览
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< li class = "chapter " data-level = "3.3.3" data-path = "../guide/kubectl-cheatsheet.html" >
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< a href = "../guide/kubectl-cheatsheet.html" >
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< b > 3.3.3.< / b >
kubectl命令技巧大全
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< / a >
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< / li >
< li class = "chapter " data-level = "3.3.4" data-path = "../guide/using-etcdctl-to-access-kubernetes-data.html" >
< a href = "../guide/using-etcdctl-to-access-kubernetes-data.html" >
< b > 3.3.4.< / b >
使用etcdctl访问kuberentes数据
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< li class = "chapter " data-level = "3.4" data-path = "../guide/cluster-security-management.html" >
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< a href = "../guide/cluster-security-management.html" >
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< b > 3.4.< / b >
集群安全性管理
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< ul class = "articles" >
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< li class = "chapter " data-level = "3.4.1" data-path = "../guide/managing-tls-in-a-cluster.html" >
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< a href = "../guide/managing-tls-in-a-cluster.html" >
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< b > 3.4.1.< / b >
管理集群中的TLS
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< / a >
< / li >
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< li class = "chapter " data-level = "3.4.2" data-path = "../guide/kubelet-authentication-authorization.html" >
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< a href = "../guide/kubelet-authentication-authorization.html" >
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< b > 3.4.2.< / b >
kubelet的认证授权
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< / li >
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< li class = "chapter " data-level = "3.4.3" data-path = "../guide/tls-bootstrapping.html" >
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< a href = "../guide/tls-bootstrapping.html" >
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< b > 3.4.3.< / b >
TLS bootstrap
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< / a >
< / li >
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< li class = "chapter " data-level = "3.4.4" data-path = "../guide/kubectl-user-authentication-authorization.html" >
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< a href = "../guide/kubectl-user-authentication-authorization.html" >
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< b > 3.4.4.< / b >
创建用户认证授权的kubeconfig文件
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< li class = "chapter " data-level = "3.4.5" data-path = "../guide/rbac.html" >
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< a href = "../guide/rbac.html" >
2017-11-15 21:18:59 +08:00
< b > 3.4.5.< / b >
RBAC——基于角色的访问控制
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.4.6" data-path = "../guide/ip-masq-agent.html" >
2017-11-08 19:28:16 +08:00
< a href = "../guide/ip-masq-agent.html" >
2017-11-15 21:18:59 +08:00
< b > 3.4.6.< / b >
IP伪装代理
2017-11-08 19:28:16 +08:00
< / a >
2017-11-10 23:22:45 +08:00
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.4.7" data-path = "../guide/auth-with-kubeconfig-or-token.html" >
2017-11-10 23:22:45 +08:00
< a href = "../guide/auth-with-kubeconfig-or-token.html" >
2017-11-15 21:18:59 +08:00
< b > 3.4.7.< / b >
使用kubeconfig或token进行用户身份认证
2017-11-10 23:22:45 +08:00
< / a >
2017-11-14 13:46:53 +08:00
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.4.8" data-path = "../guide/authentication.html" >
2017-11-14 13:46:53 +08:00
< a href = "../guide/authentication.html" >
2017-11-15 21:18:59 +08:00
< b > 3.4.8.< / b >
kubernetes中的用户与身份认证授权
2017-11-14 13:46:53 +08:00
< / a >
2017-11-08 19:28:16 +08:00
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.5" data-path = "../guide/access-kubernetes-cluster.html" >
2017-11-08 19:28:16 +08:00
< a href = "../guide/access-kubernetes-cluster.html" >
2017-11-15 21:18:59 +08:00
< b > 3.5.< / b >
2017-11-21 20:10:10 +08:00
访问Kubernetes集群
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.5.1" data-path = "../guide/access-cluster.html" >
2017-11-08 19:28:16 +08:00
< a href = "../guide/access-cluster.html" >
2017-11-15 21:18:59 +08:00
< b > 3.5.1.< / b >
访问集群
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.5.2" data-path = "../guide/authenticate-across-clusters-kubeconfig.html" >
2017-11-08 19:28:16 +08:00
< a href = "../guide/authenticate-across-clusters-kubeconfig.html" >
2017-11-15 21:18:59 +08:00
< b > 3.5.2.< / b >
2017-11-21 20:10:10 +08:00
使用kubeconfig文件配置跨集群认证
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.5.3" data-path = "../guide/connecting-to-applications-port-forward.html" >
2017-11-08 19:28:16 +08:00
< a href = "../guide/connecting-to-applications-port-forward.html" >
2017-11-15 21:18:59 +08:00
< b > 3.5.3.< / b >
通过端口转发访问集群中的应用程序
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.5.4" data-path = "../guide/service-access-application-cluster.html" >
2017-11-08 19:28:16 +08:00
< a href = "../guide/service-access-application-cluster.html" >
2017-11-15 21:18:59 +08:00
< b > 3.5.4.< / b >
2017-11-21 20:10:10 +08:00
使用service访问群集中的应用程序
< / a >
< / li >
< li class = "chapter " data-level = "3.5.5" 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 > 3.5.5.< / b >
从外部访问Kubernetes中的Pod
2017-11-08 19:28:16 +08:00
< / a >
2017-11-22 18:43:03 +08:00
< / li >
< li class = "chapter " data-level = "3.5.6" data-path = "../guide/carbin-mobile-dashboard-for-kubernetes.html" >
< a href = "../guide/carbin-mobile-dashboard-for-kubernetes.html" >
< b > 3.5.6.< / b >
Carbin - Kuberentes手机客户端
< / a >
2017-11-08 19:28:16 +08:00
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.6" data-path = "../guide/application-development-deployment-flow.html" >
2017-11-08 19:28:16 +08:00
< a href = "../guide/application-development-deployment-flow.html" >
2017-11-15 21:18:59 +08:00
< b > 3.6.< / b >
在kubernetes中开发部署应用
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.6.1" data-path = "../guide/deploy-applications-in-kubernetes.html" >
2017-11-08 19:28:16 +08:00
< a href = "../guide/deploy-applications-in-kubernetes.html" >
2017-11-15 21:18:59 +08:00
< b > 3.6.1.< / b >
适用于kubernetes的应用开发部署流程
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.6.2" data-path = "../guide/migrating-hadoop-yarn-to-kubernetes.html" >
2017-11-08 19:28:16 +08:00
< a href = "../guide/migrating-hadoop-yarn-to-kubernetes.html" >
2017-11-15 21:18:59 +08:00
< b > 3.6.2.< / b >
迁移传统应用到kubernetes中——以Hadoop YARN为例
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "3.6.3" data-path = "../guide/using-statefulset.html" >
2017-11-08 19:28:16 +08:00
< a href = "../guide/using-statefulset.html" >
2017-11-15 21:18:59 +08:00
< b > 3.6.3.< / b >
使用StatefulSet部署用状态应用
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "header" > 最佳实践< / li >
< li class = "chapter " data-level = "4.1" data-path = "../practice/" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/" >
2017-11-15 21:18:59 +08:00
< b > 4.1.< / b >
最佳实践概览
2017-11-08 19:28:16 +08:00
< / a >
2017-11-15 21:18:59 +08:00
< / li >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2" data-path = "../practice/install-kbernetes1.6-on-centos.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/install-kbernetes1.6-on-centos.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.< / b >
在CentOS上部署kubernetes1.6集群
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2.1" data-path = "../practice/create-tls-and-secret-key.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/create-tls-and-secret-key.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.1.< / b >
创建TLS证书和秘钥
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2.2" data-path = "../practice/create-kubeconfig.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/create-kubeconfig.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.2.< / b >
创建kubeconfig文件
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2.3" data-path = "../practice/etcd-cluster-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/etcd-cluster-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.3.< / b >
创建高可用etcd集群
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2.4" data-path = "../practice/kubectl-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/kubectl-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.4.< / b >
安装kubectl命令行工具
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2.5" data-path = "../practice/master-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/master-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.5.< / b >
部署master节点
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2.6" data-path = "../practice/node-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/node-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.6.< / b >
部署node节点
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2.7" data-path = "../practice/kubedns-addon-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/kubedns-addon-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.7.< / b >
安装kubedns插件
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2.8" data-path = "../practice/dashboard-addon-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/dashboard-addon-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.8.< / b >
安装dashboard插件
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2.9" data-path = "../practice/heapster-addon-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/heapster-addon-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.9.< / b >
安装heapster插件
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.2.10" data-path = "../practice/efk-addon-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/efk-addon-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.2.10.< / b >
安装EFK插件
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.3" data-path = "../practice/service-discovery-and-loadbalancing.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/service-discovery-and-loadbalancing.html" >
2017-11-15 21:18:59 +08:00
< b > 4.3.< / b >
服务发现与负载均衡
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.3.1" data-path = "../practice/traefik-ingress-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/traefik-ingress-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.3.1.< / b >
安装Traefik ingress
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.3.2" data-path = "../practice/distributed-load-test.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/distributed-load-test.html" >
2017-11-15 21:18:59 +08:00
< b > 4.3.2.< / b >
分布式负载测试
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.3.3" data-path = "../practice/network-and-cluster-perfermance-test.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/network-and-cluster-perfermance-test.html" >
2017-11-15 21:18:59 +08:00
< b > 4.3.3.< / b >
网络和集群性能测试
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.3.4" data-path = "../practice/edge-node-configuration.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/edge-node-configuration.html" >
2017-11-15 21:18:59 +08:00
< b > 4.3.4.< / b >
边缘节点配置
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.3.5" data-path = "../practice/nginx-ingress-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/nginx-ingress-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.3.5.< / b >
安装Nginx ingress
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.4" data-path = "../practice/operation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/operation.html" >
2017-11-15 21:18:59 +08:00
< b > 4.4.< / b >
运维管理
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.4.1" data-path = "../practice/service-rolling-update.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/service-rolling-update.html" >
2017-11-15 21:18:59 +08:00
< b > 4.4.1.< / b >
服务滚动升级
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.4.2" data-path = "../practice/app-log-collection.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/app-log-collection.html" >
2017-11-15 21:18:59 +08:00
< b > 4.4.2.< / b >
应用日志收集
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.4.3" data-path = "../practice/configuration-best-practice.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/configuration-best-practice.html" >
2017-11-15 21:18:59 +08:00
< b > 4.4.3.< / b >
配置最佳实践
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.4.4" data-path = "../practice/monitor.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/monitor.html" >
2017-11-15 21:18:59 +08:00
< b > 4.4.4.< / b >
集群及应用监控
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.4.5" data-path = "../practice/data-persistence-problem.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/data-persistence-problem.html" >
2017-11-15 21:18:59 +08:00
< b > 4.4.5.< / b >
数据持久化问题
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.4.6" data-path = "../practice/manage-compute-resources-container.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/manage-compute-resources-container.html" >
2017-11-15 21:18:59 +08:00
< b > 4.4.6.< / b >
管理容器的计算资源
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-09 10:55:38 +08:00
< / ul >
2017-11-08 19:28:16 +08:00
2017-11-09 10:55:38 +08:00
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.5" data-path = "../practice/storage.html" >
2017-11-09 10:55:38 +08:00
< a href = "../practice/storage.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 4.5.< / b >
存储管理
2017-11-09 10:55:38 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.5.1" data-path = "../practice/glusterfs.html" >
2017-11-09 10:55:38 +08:00
< a href = "../practice/glusterfs.html" >
2017-11-15 21:18:59 +08:00
< b > 4.5.1.< / b >
GlusterFS
2017-11-09 10:55:38 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.5.1.1" data-path = "../practice/using-glusterfs-for-persistent-storage.html" >
2017-11-09 10:55:38 +08:00
< a href = "../practice/using-glusterfs-for-persistent-storage.html" >
2017-11-15 21:18:59 +08:00
< b > 4.5.1.1.< / b >
使用GlusterFS做持久化存储
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.5.1.2" data-path = "../practice/storage-for-containers-using-glusterfs-with-openshift.html" >
2017-11-08 19:28:16 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/storage-for-containers-using-glusterfs-with-openshift.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 4.5.1.2.< / b >
在OpenShift中使用GlusterFS做持久化存储
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.5.2" data-path = "../practice/cephfs.html" >
2017-11-08 19:28:16 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/cephfs.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 4.5.2.< / b >
CephFS
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.5.2.1" data-path = "../practice/using-ceph-for-persistent-storage.html" >
2017-11-08 19:28:16 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/using-ceph-for-persistent-storage.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 4.5.2.1.< / b >
使用Ceph做持久化存储
2017-11-09 10:55:38 +08:00
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.6" data-path = "../practice/monitoring.html" >
2017-11-09 10:55:38 +08:00
< a href = "../practice/monitoring.html" >
2017-11-15 21:18:59 +08:00
< b > 4.6.< / b >
集群与应用监控
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.6.1" data-path = "../practice/heapster.html" >
2017-11-08 19:28:16 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/heapster.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 4.6.1.< / b >
Heapster
2017-11-08 19:28:16 +08:00
< / a >
2017-11-09 10:55:38 +08:00
< ul class = "articles" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.6.1.1" data-path = "../practice/using-heapster-to-get-object-metrics.html" >
2017-11-08 19:28:16 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/using-heapster-to-get-object-metrics.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 4.6.1.1.< / b >
使用Heapster获取集群和对象的metric数据
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.6.2" data-path = "../practice/prometheus.html" >
2017-11-08 19:28:16 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/prometheus.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 4.6.2.< / b >
Prometheus
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.6.2.1" data-path = "../practice/using-prometheus-to-monitor-kuberentes-cluster.html" >
2017-11-08 19:28:16 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/using-prometheus-to-monitor-kuberentes-cluster.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 4.6.2.1.< / b >
使用Prometheus监控kubernetes集群
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.7" data-path = "../practice/services-management-tool.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/services-management-tool.html" >
2017-11-15 21:18:59 +08:00
< b > 4.7.< / b >
服务编排管理
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.7.1" data-path = "../practice/helm.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/helm.html" >
2017-11-15 21:18:59 +08:00
< b > 4.7.1.< / b >
使用Helm管理kubernetes应用
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.7.2" data-path = "../practice/create-private-charts-repo.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/create-private-charts-repo.html" >
2017-11-15 21:18:59 +08:00
< b > 4.7.2.< / b >
构建私有Chart仓库
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.8" data-path = "../practice/ci-cd.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/ci-cd.html" >
2017-11-15 21:18:59 +08:00
< b > 4.8.< / b >
持续集成与发布
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.8.1" data-path = "../practice/jenkins-ci-cd.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/jenkins-ci-cd.html" >
2017-11-15 21:18:59 +08:00
< b > 4.8.1.< / b >
使用Jenkins进行持续集成与发布
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.8.2" data-path = "../practice/drone-ci-cd.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/drone-ci-cd.html" >
2017-11-15 21:18:59 +08:00
< b > 4.8.2.< / b >
使用Drone进行持续集成与发布
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.9" data-path = "../practice/update-and-upgrade.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/update-and-upgrade.html" >
2017-11-15 21:18:59 +08:00
< b > 4.9.< / b >
更新与升级
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.9.1" data-path = "../practice/manually-upgrade.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/manually-upgrade.html" >
2017-11-15 21:18:59 +08:00
< b > 4.9.1.< / b >
手动升级kubernetes集群
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "4.9.2" data-path = "../practice/dashboard-upgrade.html" >
2017-11-08 19:28:16 +08:00
< a href = "../practice/dashboard-upgrade.html" >
2017-11-15 21:18:59 +08:00
< b > 4.9.2.< / b >
升级dashboard
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "header" > 领域应用< / li >
< li class = "chapter " data-level = "5.1" data-path = "../usecases/" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/" >
2017-11-15 21:18:59 +08:00
< b > 5.1.< / b >
领域应用概览
2017-11-08 19:28:16 +08:00
< / a >
2017-11-15 21:18:59 +08:00
< / li >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.2" data-path = "../usecases/microservices.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/microservices.html" >
2017-11-15 21:18:59 +08:00
< b > 5.2.< / b >
微服务架构
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.2.1" data-path = "../usecases/service-discovery-in-microservices.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/service-discovery-in-microservices.html" >
2017-11-15 21:18:59 +08:00
< b > 5.2.1.< / b >
微服务中的服务发现
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.3" data-path = "../usecases/service-mesh.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/service-mesh.html" >
2017-11-15 21:18:59 +08:00
< b > 5.3.< / b >
Service Mesh 服务网格
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.3.1" data-path = "../usecases/istio.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/istio.html" >
2017-11-15 21:18:59 +08:00
< b > 5.3.1.< / b >
Istio
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.3.1.1" data-path = "../usecases/istio-installation.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/istio-installation.html" >
2017-11-15 21:18:59 +08:00
< b > 5.3.1.1.< / b >
安装并试用Istio service mesh
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.3.1.2" data-path = "../usecases/configuring-request-routing.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/configuring-request-routing.html" >
2017-11-15 21:18:59 +08:00
< b > 5.3.1.2.< / b >
配置请求的路由规则
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.3.1.3" data-path = "../usecases/install-and-expand-istio-mesh.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/install-and-expand-istio-mesh.html" >
2017-11-15 21:18:59 +08:00
< b > 5.3.1.3.< / b >
安装和拓展Istio service mesh
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.3.1.4" data-path = "../usecases/integrating-vms.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/integrating-vms.html" >
2017-11-15 21:18:59 +08:00
< b > 5.3.1.4.< / b >
集成虚拟机
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.3.2" data-path = "../usecases/linkerd.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/linkerd.html" >
2017-11-15 21:18:59 +08:00
< b > 5.3.2.< / b >
Linkerd
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.3.2.1" data-path = "../usecases/linkerd-user-guide.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/linkerd-user-guide.html" >
2017-11-15 21:18:59 +08:00
< b > 5.3.2.1.< / b >
Linkerd 使用指南
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.4" data-path = "../usecases/big-data.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/big-data.html" >
2017-11-15 21:18:59 +08:00
< b > 5.4.< / b >
大数据
2017-11-08 19:28:16 +08:00
< / a >
< ul class = "articles" >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.4.1" data-path = "../usecases/spark-standalone-on-kubernetes.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/spark-standalone-on-kubernetes.html" >
2017-11-15 21:18:59 +08:00
< b > 5.4.1.< / b >
Spark standalone on Kubernetes
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.4.2" data-path = "../usecases/running-spark-with-kubernetes-native-scheduler.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/running-spark-with-kubernetes-native-scheduler.html" >
2017-11-15 21:18:59 +08:00
< b > 5.4.2.< / b >
运行支持kubernetes原生调度的Spark程序
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.5" data-path = "../usecases/serverless.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/serverless.html" >
2017-11-15 21:18:59 +08:00
< b > 5.5.< / b >
Serverless架构
2017-11-08 19:28:16 +08:00
< / a >
2017-11-23 11:03:04 +08:00
< ul class = "articles" >
< li class = "chapter " data-level = "5.5.1" data-path = "../usecases/understanding-serverless.html" >
< a href = "../usecases/understanding-serverless.html" >
< b > 5.5.1.< / b >
理解Serverless
< / a >
< / li >
< / ul >
2017-11-08 19:28:16 +08:00
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "5.6" data-path = "../usecases/edge-computing.html" >
2017-11-08 19:28:16 +08:00
< a href = "../usecases/edge-computing.html" >
2017-11-15 21:18:59 +08:00
< b > 5.6.< / b >
边缘计算
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "header" > 开发指南< / li >
< li class = "chapter " data-level = "6.1" data-path = "../develop/" >
2017-11-08 19:28:16 +08:00
< a href = "../develop/" >
2017-11-15 21:18:59 +08:00
< b > 6.1.< / b >
开发指南概览
2017-11-08 19:28:16 +08:00
< / a >
2017-11-15 21:18:59 +08:00
< / li >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "6.2" data-path = "../develop/developing-environment.html" >
2017-11-08 19:28:16 +08:00
< a href = "../develop/developing-environment.html" >
2017-11-15 21:18:59 +08:00
< b > 6.2.< / b >
开发环境搭建
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "6.3" data-path = "../develop/testing.html" >
2017-11-08 19:28:16 +08:00
< a href = "../develop/testing.html" >
2017-11-15 21:18:59 +08:00
< b > 6.3.< / b >
单元测试和集成测试
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "6.4" data-path = "../develop/client-go-sample.html" >
2017-11-08 19:28:16 +08:00
< a href = "../develop/client-go-sample.html" >
2017-11-15 21:18:59 +08:00
< b > 6.4.< / b >
client-go示例
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "6.5" data-path = "../develop/contribute.html" >
2017-11-08 19:28:16 +08:00
< a href = "../develop/contribute.html" >
2017-11-15 21:18:59 +08:00
< b > 6.5.< / b >
社区贡献
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "6.6" data-path = "../develop/minikube.html" >
2017-11-08 19:28:16 +08:00
< a href = "../develop/minikube.html" >
2017-11-15 21:18:59 +08:00
< b > 6.6.< / b >
Minikube
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "header" > 附录< / li >
< li class = "chapter " data-level = "7.1" data-path = "../appendix/" >
2017-11-08 19:28:16 +08:00
< a href = "../appendix/" >
2017-11-15 21:18:59 +08:00
< b > 7.1.< / b >
附录说明
2017-11-08 19:28:16 +08:00
< / a >
2017-11-15 21:18:59 +08:00
< / li >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "7.2" data-path = "../appendix/debug-kubernetes-services.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< a href = "../appendix/debug-kubernetes-services.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 7.2.< / b >
Kubernetes中的应用故障排查
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "7.3" data-path = "../appendix/material-share.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< a href = "../appendix/material-share.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 7.3.< / b >
Kubernetes相关资讯和情报链接
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "7.4" data-path = "../appendix/docker-best-practice.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< a href = "../appendix/docker-best-practice.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 7.4.< / b >
Docker最佳实践
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "7.5" data-path = "../appendix/tricks.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< a href = "../appendix/tricks.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 7.5.< / b >
使用技巧
2017-11-08 19:28:16 +08:00
< / a >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "chapter " data-level = "7.6" data-path = "../appendix/issues.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< a href = "../appendix/issues.html" >
2017-11-08 19:28:16 +08:00
2017-11-15 21:18:59 +08:00
< b > 7.6.< / b >
问题记录
2017-11-08 19:28:16 +08:00
< / a >
< / li >
< li class = "divider" > < / li >
< li >
< a href = "https://www.gitbook.com" target = "blank" class = "gitbook-link" >
本书使用 GitBook 发布
< / a >
< / li >
< / ul >
< / nav >
< / div >
< div class = "book-body" >
< div class = "body-inner" >
< div class = "book-header" role = "navigation" >
<!-- Title -->
< h1 >
< i class = "fa fa-circle-o-notch fa-spin" > < / i >
2017-11-15 21:18:59 +08:00
< a href = ".." > ConfigMap的热更新< / a >
2017-11-08 19:28:16 +08:00
< / h1 >
< / div >
< div class = "page-wrapper" tabindex = "-1" role = "main" >
< div class = "page-inner" >
< div class = "search-plus" id = "book-search-results" >
< div class = "search-noresults" >
< section class = "normal markdown-section" >
< h1 id = "configmap的热更新" > ConfigMap的 热 更 新 < / h1 >
< p > ConfigMap是 用 来 存 储 配 置 文 件 的 kubernetes资 源 对 象 ， 所 有 的 配 置 内 容 都 存 储 在 etcd中 ， 下 文 主 要 是 探 究 ConfigMap 的 创 建 和 更 新 流 程 ， 以 及 对 ConfigMap 更 新 后 容 器 内 挂 载 的 内 容 是 否 同 步 更 新 的 测 试 。 < / p >
< h2 id = "测试示例" > 测 试 示 例 < / h2 >
< p > 假 设 我 们 在 < code > default< / code > namespace 下 有 一 个 名 为 < code > nginx-config< / code > 的 ConfigMap， 可 以 使 用 < code > kubectl< / code > 命 令 来 获 取 ： < / p >
< pre > < code class = "lang-bash" > $ kubectl get configmap nginx-config
NAME DATA AGE
nginx-config 1 99d
< / code > < / pre >
< p > 获 取 该 ConfigMap的 内 容 。 < / p >
< pre > < code class = "lang-bash" > kubectl get configmap nginx-config -o yaml
< / code > < / pre >
< pre > < code class = "lang-bash" > apiVersion: v1
data:
nginx.conf: |-
worker_processes 1;
events { worker_connections 1024; }
http {
sendfile on;
server {
listen 80;
< span class = "hljs-comment" > # a test endpoint that returns http 200s< / span >
location / {
proxy_pass http://httpstat.us/200;
proxy_< span class = "hljs-built_in" > set< / span > _header X-Real-IP < span class = "hljs-variable" > $remote_addr< / span > ;
}
}
server {
listen 80;
server_name api.hello.world;
location / {
proxy_pass http://l5d.default.svc.cluster.local;
proxy_< span class = "hljs-built_in" > set< / span > _header Host < span class = "hljs-variable" > $host< / span > ;
proxy_< span class = "hljs-built_in" > set< / span > _header Connection < span class = "hljs-string" > " " < / span > ;
proxy_http_version 1.1;
more_clear_input_headers < span class = "hljs-string" > ' l5d-ctx-*' < / span > < span class = "hljs-string" > ' l5d-dtab' < / span > < span class = "hljs-string" > ' l5d-sample' < / span > ;
}
}
server {
listen 80;
server_name www.hello.world;
location / {
< span class = "hljs-comment" > # allow ' employees' to perform dtab overrides< / span >
< span class = "hljs-keyword" > if< / span > (< span class = "hljs-variable" > $cookie_special_employee_cookie< / span > != < span class = "hljs-string" > " letmein" < / span > ) {
more_clear_input_headers < span class = "hljs-string" > ' l5d-ctx-*' < / span > < span class = "hljs-string" > ' l5d-dtab' < / span > < span class = "hljs-string" > ' l5d-sample' < / span > ;
}
< span class = "hljs-comment" > # add a dtab override to get people to our beta, world-v2< / span >
< span class = "hljs-built_in" > set< / span > < span class = "hljs-variable" > $xheader< / span > < span class = "hljs-string" > " " < / span > ;
< span class = "hljs-keyword" > if< / span > (< span class = "hljs-variable" > $cookie_special_employee_cookie< / span > ~* < span class = "hljs-string" > " dogfood" < / span > ) {
< span class = "hljs-built_in" > set< / span > < span class = "hljs-variable" > $xheader< / span > < span class = "hljs-string" > " /host/world => /srv/world-v2;" < / span > ;
}
proxy_< span class = "hljs-built_in" > set< / span > _header < span class = "hljs-string" > ' l5d-dtab' < / span > < span class = "hljs-variable" > $xheader< / span > ;
proxy_pass http://l5d.default.svc.cluster.local;
proxy_< span class = "hljs-built_in" > set< / span > _header Host < span class = "hljs-variable" > $host< / span > ;
proxy_< span class = "hljs-built_in" > set< / span > _header Connection < span class = "hljs-string" > " " < / span > ;
proxy_http_version 1.1;
}
}
}
kind: ConfigMap
metadata:
creationTimestamp: 2017-08-01T06:53:17Z
name: nginx-config
namespace: default
resourceVersion: < span class = "hljs-string" > " 14925806" < / span >
selfLink: /api/v1/namespaces/default/configmaps/nginx-config
uid: 18d70527-7686-11e7-bfbd-8af1e3a7c5bd
< / code > < / pre >
< p > ConfigMap中 的 内 容 是 存 储 到 etcd中 的 ， 然 后 查 询 etcd： < / p >
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< pre > < code class = "lang-bash" > ETCDCTL_API=3 etcdctl get /registry/configmaps/default/nginx-config -w json|python -m json.tool
2017-11-08 19:28:16 +08:00
< / code > < / pre >
< p > 注 意 使 用 v3 版 本 的 etcdctl API， 下 面 是 输 出 结 果 ： < / p >
2017-11-23 13:51:12 +08:00
< pre > < code class = "lang-json" > {
< span class = "hljs-string" > " count" < / span > : < span class = "hljs-number" > 1< / span > ,
< span class = "hljs-string" > " header" < / span > : {
< span class = "hljs-string" > " cluster_id" < / span > : < span class = "hljs-number" > 12091028579527406772< / span > ,
< span class = "hljs-string" > " member_id" < / span > : < span class = "hljs-number" > 16557816780141026208< / span > ,
< span class = "hljs-string" > " raft_term" < / span > : < span class = "hljs-number" > 36< / span > ,
< span class = "hljs-string" > " revision" < / span > : < span class = "hljs-number" > 29258723< / span >
},
< span class = "hljs-string" > " kvs" < / span > : [
{
< span class = "hljs-string" > " create_revision" < / span > : < span class = "hljs-number" > 14925806< / span > ,
< span class = "hljs-string" > " key" < / span > : < span class = "hljs-string" > " L3JlZ2lzdHJ5L2NvbmZpZ21hcHMvZGVmYXVsdC9uZ2lueC1jb25maWc=" < / span > ,
< span class = "hljs-string" > " mod_revision" < / span > : < span class = "hljs-number" > 14925806< / span > ,
< span class = "hljs-string" > " value" < / span > : < span class = "hljs-string" > " 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" < / span > ,
< span class = "hljs-string" > " version" < / span > : < span class = "hljs-number" > 1< / span >
2017-11-08 19:28:16 +08:00
}
2017-11-23 13:51:12 +08:00
]
}
2017-11-08 19:28:16 +08:00
< / code > < / pre >
2017-11-23 13:51:12 +08:00
< p > 其 中 的 value就 是 < code > nginx.conf< / code > 配 置 文 件 的 内 容 。 < / p >
< p > 可 以 使 用 base64解 码 查 看 具 体 值 ， 关 于 etcdctl的 使 用 请 参 考 < a href = "../guide/using-etcdctl-to-access-kubernetes-data.html" > 使 用 etcdctl访 问 kuberentes数 据 < / a > 。 < / p >
2017-11-08 19:28:16 +08:00
< h2 id = "代码" > 代 码 < / h2 >
< p > ConfigMap 结 构 体 的 定 义 ： < / p >
< pre > < code class = "lang-go" > < span class = "hljs-comment" > // ConfigMap holds configuration data for pods to consume.< / span >
< span class = "hljs-keyword" > type< / span > ConfigMap < span class = "hljs-keyword" > struct< / span > {
metav1.TypeMeta < span class = "hljs-string" > `json:" ,inline" `< / span >
< span class = "hljs-comment" > // Standard object' s metadata.< / span >
< span class = "hljs-comment" > // More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#metadata< / span >
< span class = "hljs-comment" > // +optional< / span >
metav1.ObjectMeta < span class = "hljs-string" > `json:" metadata,omitempty" protobuf:" bytes,1,opt,name=metadata" `< / span >
< span class = "hljs-comment" > // Data contains the configuration data.< / span >
< span class = "hljs-comment" > // Each key must be a valid DNS_SUBDOMAIN with an optional leading dot.< / span >
< span class = "hljs-comment" > // +optional< / span >
Data < span class = "hljs-keyword" > map< / span > [< span class = "hljs-keyword" > string< / span > ]< span class = "hljs-keyword" > string< / span > < span class = "hljs-string" > `json:" data,omitempty" protobuf:" bytes,2,rep,name=data" `< / span >
}
< / code > < / pre >
< p > 在 < code > staging/src/k8s.io/client-go/kubernetes/typed/core/v1/configmap.go< / code > 中 ConfigMap 的 接 口 定 义 ： < / p >
< pre > < code class = "lang-go" > < span class = "hljs-comment" > // ConfigMapInterface has methods to work with ConfigMap resources.< / span >
< span class = "hljs-keyword" > type< / span > ConfigMapInterface < span class = "hljs-keyword" > interface< / span > {
Create(*v1.ConfigMap) (*v1.ConfigMap, error)
Update(*v1.ConfigMap) (*v1.ConfigMap, error)
Delete(name < span class = "hljs-keyword" > string< / span > , options *meta_v1.DeleteOptions) error
DeleteCollection(options *meta_v1.DeleteOptions, listOptions meta_v1.ListOptions) error
Get(name < span class = "hljs-keyword" > string< / span > , options meta_v1.GetOptions) (*v1.ConfigMap, error)
List(opts meta_v1.ListOptions) (*v1.ConfigMapList, error)
Watch(opts meta_v1.ListOptions) (watch.Interface, error)
Patch(name < span class = "hljs-keyword" > string< / span > , pt types.PatchType, data []< span class = "hljs-keyword" > byte< / span > , subresources ...< span class = "hljs-keyword" > string< / span > ) (result *v1.ConfigMap, err error)
ConfigMapExpansion
}
< / code > < / pre >
< p > 在 < code > staging/src/k8s.io/client-go/kubernetes/typed/core/v1/configmap.go< / code > 中 创 建 ConfigMap 的 方 法 如 下 :< / p >
< pre > < code class = "lang-go" > < span class = "hljs-comment" > // Create takes the representation of a configMap and creates it. Returns the server' s representation of the configMap, and an error, if there is any.< / span >
< span class = "hljs-keyword" > func< / span > (c *configMaps) Create(configMap *v1.ConfigMap) (result *v1.ConfigMap, err error) {
result = & v1.ConfigMap{}
err = c.client.Post().
Namespace(c.ns).
Resource(< span class = "hljs-string" > " configmaps" < / span > ).
Body(configMap).
Do().
Into(result)
< span class = "hljs-keyword" > return< / span >
}
< / code > < / pre >
< p > 通 过 RESTful 请 求 在 etcd 中 存 储 ConfigMap 的 配 置 ， 该 方 法 中 设 置 了 资 源 对 象 的 namespace 和 HTTP 请 求 中 的 body， 执 行 后 将 请 求 结 果 保 存 到 result 中 返 回 给 调 用 者 。 < / p >
< p > < strong > 注 意 Body 的 结 构 < / strong > < / p >
< pre > < code class = "lang-java" > < span class = "hljs-comment" > // Body makes the request use obj as the body. Optional.< / span >
< span class = "hljs-comment" > // If obj is a string, try to read a file of that name.< / span >
< span class = "hljs-comment" > // If obj is a []byte, send it directly.< / span >
< span class = "hljs-comment" > // If obj is an io.Reader, use it directly.< / span >
< span class = "hljs-comment" > // If obj is a runtime.Object, marshal it correctly, and set Content-Type header.< / span >
< span class = "hljs-comment" > // If obj is a runtime.Object and nil, do nothing.< / span >
< span class = "hljs-comment" > // Otherwise, set an error.< / span >
< / code > < / pre >
< p > 创 建 ConfigMap RESTful 请 求 中 的 的 Body 中 包 含 < code > ObjectMeta< / code > 和 < code > namespace< / code > 。 < / p >
< p > HTTP 请 求 中 的 结 构 体 ： < / p >
< pre > < code class = "lang-go" > < span class = "hljs-comment" > // Request allows for building up a request to a server in a chained fashion.< / span >
< span class = "hljs-comment" > // Any errors are stored until the end of your call, so you only have to< / span >
< span class = "hljs-comment" > // check once.< / span >
< span class = "hljs-keyword" > type< / span > Request < span class = "hljs-keyword" > struct< / span > {
< span class = "hljs-comment" > // required< / span >
client HTTPClient
verb < span class = "hljs-keyword" > string< / span >
baseURL *url.URL
content ContentConfig
serializers Serializers
< span class = "hljs-comment" > // generic components accessible via method setters< / span >
pathPrefix < span class = "hljs-keyword" > string< / span >
subpath < span class = "hljs-keyword" > string< / span >
params url.Values
headers http.Header
< span class = "hljs-comment" > // structural elements of the request that are part of the Kubernetes API conventions< / span >
namespace < span class = "hljs-keyword" > string< / span >
namespaceSet < span class = "hljs-keyword" > bool< / span >
resource < span class = "hljs-keyword" > string< / span >
resourceName < span class = "hljs-keyword" > string< / span >
subresource < span class = "hljs-keyword" > string< / span >
timeout time.Duration
< span class = "hljs-comment" > // output< / span >
err error
body io.Reader
< span class = "hljs-comment" > // This is only used for per-request timeouts, deadlines, and cancellations.< / span >
ctx context.Context
backoffMgr BackoffManager
throttle flowcontrol.RateLimiter
}
< / code > < / pre >
< h2 id = "测试" > 测 试 < / h2 >
< p > 分 别 测 试 使 用 ConfigMap 挂 载 Env 和 Volume 的 情 况 。 < / p >
< h3 id = "更新使用configmap挂载的env" > 更 新 使 用 ConfigMap挂 载 的 Env< / h3 >
< p > 使 用 下 面 的 配 置 创 建 nginx 容 器 测 试 更 新 ConfigMap 后 容 器 内 的 环 境 变 量 是 否 也 跟 着 更 新 。 < / p >
< pre > < code class = "lang-yaml" > < span class = "hljs-attr" > apiVersion:< / span > extensions/v1beta1
< span class = "hljs-attr" > kind:< / span > Deployment
< span class = "hljs-attr" > metadata:< / span >
< span class = "hljs-attr" > name:< / span > my-nginx
< span class = "hljs-attr" > spec:< / span >
< span class = "hljs-attr" > replicas:< / span > < span class = "hljs-number" > 1< / span >
< span class = "hljs-attr" > template:< / span >
< span class = "hljs-attr" > metadata:< / span >
< span class = "hljs-attr" > labels:< / span >
< span class = "hljs-attr" > run:< / span > my-nginx
< span class = "hljs-attr" > spec:< / span >
< span class = "hljs-attr" > containers:< / span >
< span class = "hljs-attr" > - name:< / span > my-nginx
< span class = "hljs-attr" > image:< / span > sz-pg-oam-docker-hub< span class = "hljs-bullet" > -001.< / span > tendcloud.com/library/nginx:< span class = "hljs-number" > 1.9< / span >
< span class = "hljs-attr" > ports:< / span >
< span class = "hljs-attr" > - containerPort:< / span > < span class = "hljs-number" > 80< / span >
< span class = "hljs-attr" > envFrom:< / span >
< span class = "hljs-attr" > - configMapRef:< / span >
< span class = "hljs-attr" > name:< / span > env-config
< span class = "hljs-meta" > ---< / span >
< 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 > 获 取 环 境 变 量 的 值 < / p >
< pre > < code class = "lang-bash" > $ kubectl < span class = "hljs-built_in" > exec< / span > `kubectl get pods < span class = "hljs-_" > -l< / span > run=my-nginx -o=name|cut < span class = "hljs-_" > -d< / span > < span class = "hljs-string" > " /" < / span > < span class = "hljs-_" > -f< / span > 2` env|grep < span class = "hljs-built_in" > log< / span > _level
< span class = "hljs-built_in" > log< / span > _level=INFO
< / code > < / pre >
< p > 修 改 ConfigMap< / p >
< pre > < code class = "lang-bash" > $ kubectl edit configmap env-config
< / code > < / pre >
< p > 修 改 < code > log_level< / code > 的 值 为 < code > DEBUG< / code > 。 < / p >
< p > 再 次 查 看 环 境 变 量 的 值 。 < / p >
< pre > < code class = "lang-bash" > $ kubectl < span class = "hljs-built_in" > exec< / span > `kubectl get pods < span class = "hljs-_" > -l< / span > run=my-nginx -o=name|cut < span class = "hljs-_" > -d< / span > < span class = "hljs-string" > " /" < / span > < span class = "hljs-_" > -f< / span > 2` env|grep < span class = "hljs-built_in" > log< / span > _level
< span class = "hljs-built_in" > log< / span > _level=INFO
< / code > < / pre >
< p > 实 践 证 明 修 改 ConfigMap 无 法 更 新 容 器 中 已 注 入 的 环 境 变 量 信 息 。 < / p >
< h3 id = "更新使用configmap挂载的volume" > 更 新 使 用 ConfigMap挂 载 的 Volume< / h3 >
< p > 使 用 下 面 的 配 置 创 建 nginx 容 器 测 试 更 新 ConfigMap 后 容 器 内 挂 载 的 文 件 是 否 也 跟 着 更 新 。 < / p >
< pre > < code class = "lang-yaml" > < span class = "hljs-attr" > apiVersion:< / span > extensions/v1beta1
< span class = "hljs-attr" > kind:< / span > Deployment
< span class = "hljs-attr" > metadata:< / span >
< span class = "hljs-attr" > name:< / span > my-nginx
< span class = "hljs-attr" > spec:< / span >
< span class = "hljs-attr" > replicas:< / span > < span class = "hljs-number" > 1< / span >
< span class = "hljs-attr" > template:< / span >
< span class = "hljs-attr" > metadata:< / span >
< span class = "hljs-attr" > labels:< / span >
< span class = "hljs-attr" > run:< / span > my-nginx
< span class = "hljs-attr" > spec:< / span >
< span class = "hljs-attr" > containers:< / span >
< span class = "hljs-attr" > - name:< / span > my-nginx
< span class = "hljs-attr" > image:< / span > sz-pg-oam-docker-hub< span class = "hljs-bullet" > -001.< / span > tendcloud.com/library/nginx:< span class = "hljs-number" > 1.9< / span >
< span class = "hljs-attr" > ports:< / span >
< span class = "hljs-attr" > - containerPort:< / span > < span class = "hljs-number" > 80< / 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-meta" > ---< / span >
< 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 >
< span class = "hljs-attr" > log_level:< / span > INFO
< / code > < / pre >
< pre > < code class = "lang-bash" > $ kubectl < span class = "hljs-built_in" > exec< / span > `kubectl get pods < span class = "hljs-_" > -l< / span > run=my-nginx -o=name|cut < span class = "hljs-_" > -d< / span > < span class = "hljs-string" > " /" < / span > < span class = "hljs-_" > -f< / span > 2` cat /tmp/< span class = "hljs-built_in" > log< / span > _level
INFO
< / code > < / pre >
< p > 修 改 ConfigMap< / p >
< pre > < code class = "lang-bash" > $ kubectl edit configmap special-config
< / code > < / pre >
< p > 修 改 < code > log_level< / code > 的 值 为 < code > DEBUG< / code > 。 < / p >
< p > 等 待 大 概 10秒 钟 时 间 ， 再 次 查 看 环 境 变 量 的 值 。 < / p >
< pre > < code class = "lang-bash" > $ kubectl < span class = "hljs-built_in" > exec< / span > `kubectl get pods < span class = "hljs-_" > -l< / span > run=my-nginx -o=name|cut < span class = "hljs-_" > -d< / span > < span class = "hljs-string" > " /" < / span > < span class = "hljs-_" > -f< / span > 2` cat /tmp/< span class = "hljs-built_in" > log< / span > _level
DEBUG
< / code > < / pre >
< p > 我 们 可 以 看 到 使 用 ConfigMap 方 式 挂 载 的 Volume 的 文 件 中 的 内 容 已 经 变 成 了 < code > DEBUG< / code > 。 < / p >
< h2 id = "总结" > 总 结 < / h2 >
< p > 更 新 ConfigMap 后 ： < / p >
< ul >
< li > 使 用 该 ConfigMap 挂 载 的 Env < strong > 不 会 < / strong > 同 步 更 新 < / li >
< li > 使 用 该 ConfigMap 挂 载 的 Volume 中 的 数 据 需 要 一 段 时 间 （ 实 测 大 概 10秒 ） 才 能 同 步 更 新 < / li >
< / ul >
< p > ENV 是 在 容 器 启 动 的 时 候 注 入 的 ， 启 动 之 后 kubernetes 就 不 会 再 改 变 环 境 变 量 的 值 ， 且 同 一 个 namespace 中 的 pod 的 环 境 变 量 是 不 断 累 加 的 ， 参 考 < a href = "https://jimmysong.io/posts/exploring-kubernetes-env-with-docker/" target = "_blank" > Kubernetes中 的 服 务 发 现 与 docker容 器 间 的 环 境 变 量 传 递 源 码 探 究 < / a > 。 为 了 更 新 容 器 中 使 用 ConfigMap 挂 载 的 配 置 ， 可 以 通 过 滚 动 更 新 pod 的 方 式 来 强 制 重 新 挂 载 ConfigMap， 也 可 以 在 更 新 了 ConfigMap 后 ， 先 将 副 本 数 设 置 为 0， 然 后 再 扩 容 。 < / p >
< h2 id = "参考" > 参 考 < / 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" > 创 建 高 可 用 ectd集 群 | Kubernetes handbook - jimmysong.io< / a > < / li >
< li > < a href = "https://jimmysong.io/posts/exploring-kubernetes-env-with-docker/" target = "_blank" > Kubernetes中 的 服 务 发 现 与 docker容 器 间 的 环 境 变 量 传 递 源 码 探 究 < / a > < / li >
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