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< title > Envoy Sidecar代理的路由转发 · Kubernetes Handbook - Kubernetes中文指南/云原生应用架构实践手册 by Jimmy Song(宋净超)< / title >
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< a href = "https://jimmysong.io" target = "_blank" class = "custom-link" > 回到主页< / a >
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< a href = "https://jimmysong.io/awesome-cloud-native" target = "_blank" class = "custom-link" > Awesome Cloud Native< / a >
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< 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
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< / li >
< li class = "header" > 云原生< / li >
< li class = "chapter " data-level = "2.1" data-path = "../cloud-native/cloud-native-definition.html" >
< a href = "../cloud-native/cloud-native-definition.html" >
< b > 2.1.< / b >
云原生（ ）
< / a >
< / li >
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< li class = "chapter " data-level = "2.2" data-path = "../cloud-native/cloud-native-philosophy.html" >
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< a href = "../cloud-native/cloud-native-philosophy.html" >
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< b > 2.2.< / b >
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云原生的设计哲学
< / a >
< / li >
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< li class = "chapter " data-level = "2.3" data-path = "../cloud-native/play-with-kubernetes.html" >
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< a href = "../cloud-native/play-with-kubernetes.html" >
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< b > 2.3.< / b >
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Play with Kubernetes
< / a >
< / li >
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< li class = "chapter " data-level = "2.4" data-path = "../cloud-native/cloud-native-local-quick-start.html" >
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< a href = "../cloud-native/cloud-native-local-quick-start.html" >
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< b > 2.4.< / b >
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快速部署一个云原生本地实验环境
< / a >
< / li >
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< li class = "chapter " data-level = "2.5" data-path = "../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html" >
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< a href = "../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html" >
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< b > 2.5.< / b >
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使用Rancher在阿里云上部署Kubenretes集群
< / a >
< / li >
< li class = "chapter " data-level = "2.6" data-path = "../cloud-native/kubernetes-and-cloud-native-app-overview.html" >
< a href = "../cloud-native/kubernetes-and-cloud-native-app-overview.html" >
< b > 2.6.< / b >
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Kubernetes与云原生应用概览
< / a >
< / li >
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< li class = "chapter " data-level = "2.7" data-path = "../cloud-native/from-kubernetes-to-cloud-native.html" >
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< a href = "../cloud-native/from-kubernetes-to-cloud-native.html" >
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< b > 2.7.< / b >
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云原生应用之路——从Kubernetes到Cloud Native
< / a >
< / li >
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< li class = "chapter " data-level = "2.8" data-path = "../cloud-native/cloud-native-programming-languages.html" >
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< a href = "../cloud-native/cloud-native-programming-languages.html" >
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< b > 2.8.< / b >
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云原生编程语言
< / a >
< ul class = "articles" >
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< li class = "chapter " data-level = "2.8.1" data-path = "../cloud-native/cloud-native-programming-language-ballerina.html" >
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< a href = "../cloud-native/cloud-native-programming-language-ballerina.html" >
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< b > 2.8.1.< / b >
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云原生编程语言Ballerina
< / a >
< / li >
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< li class = "chapter " data-level = "2.8.2" data-path = "../cloud-native/cloud-native-programming-language-pulumi.html" >
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< a href = "../cloud-native/cloud-native-programming-language-pulumi.html" >
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< b > 2.8.2.< / b >
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云原生编程语言Pulumi
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< / li >
< / ul >
< / li >
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< li class = "chapter " data-level = "2.9" data-path = "../cloud-native/the-future-of-cloud-native.html" >
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< a href = "../cloud-native/the-future-of-cloud-native.html" >
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< b > 2.9.< / b >
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云原生的未来
< / a >
< / li >
< li class = "header" > 概念与原理< / li >
< li class = "chapter " data-level = "3.1" data-path = "../concepts/" >
< a href = "../concepts/" >
< b > 3.1.< / b >
Kubernetes架构
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.1.1" data-path = "../concepts/concepts.html" >
< a href = "../concepts/concepts.html" >
< b > 3.1.1.< / b >
设计理念
< / a >
< / li >
< li class = "chapter " data-level = "3.1.2" data-path = "../concepts/etcd.html" >
< a href = "../concepts/etcd.html" >
< b > 3.1.2.< / b >
Etcd解析
< / a >
< / li >
< li class = "chapter " data-level = "3.1.3" data-path = "../concepts/open-interfaces.html" >
< a href = "../concepts/open-interfaces.html" >
< b > 3.1.3.< / b >
开放接口
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< li class = "chapter " data-level = "3.1.3.1" data-path = "../concepts/cri.html" >
< a href = "../concepts/cri.html" >
< b > 3.1.3.1.< / b >
CRI - Container Runtime Interface（ ）
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< / li >
< li class = "chapter " data-level = "3.1.3.2" data-path = "../concepts/cni.html" >
< a href = "../concepts/cni.html" >
< b > 3.1.3.2.< / b >
CNI - Container Network Interface（ ）
< / a >
< / li >
< li class = "chapter " data-level = "3.1.3.3" data-path = "../concepts/csi.html" >
< a href = "../concepts/csi.html" >
< b > 3.1.3.3.< / b >
CSI - Container Storage Interface（ ）
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< / ul >
< / li >
< li class = "chapter " data-level = "3.2" data-path = "../concepts/networking.html" >
< a href = "../concepts/networking.html" >
< b > 3.2.< / b >
Kubernetes中的网络
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< li class = "chapter " data-level = "3.2.1" data-path = "../concepts/flannel.html" >
< a href = "../concepts/flannel.html" >
< b > 3.2.1.< / b >
Kubernetes中的网络解析——以flannel为例
< / a >
< / li >
< li class = "chapter " data-level = "3.2.2" data-path = "../concepts/calico.html" >
< a href = "../concepts/calico.html" >
< b > 3.2.2.< / b >
Kubernetes中的网络解析——以calico为例
< / a >
< / li >
< li class = "chapter " data-level = "3.2.3" data-path = "../concepts/cilium.html" >
< a href = "../concepts/cilium.html" >
< b > 3.2.3.< / b >
具备API感知的网络和安全性管理开源软件Cilium
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.2.3.1" data-path = "../concepts/cilium-concepts.html" >
< a href = "../concepts/cilium-concepts.html" >
< b > 3.2.3.1.< / b >
Cilium架构设计与概念解析
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< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.3" data-path = "../concepts/objects.html" >
< a href = "../concepts/objects.html" >
< b > 3.3.< / b >
资源对象与基本概念解析
< / a >
< / li >
< li class = "chapter " data-level = "3.4" data-path = "../concepts/pod-state-and-lifecycle.html" >
< a href = "../concepts/pod-state-and-lifecycle.html" >
< b > 3.4.< / b >
Pod状态与生命周期管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.4.1" data-path = "../concepts/pod-overview.html" >
< a href = "../concepts/pod-overview.html" >
< b > 3.4.1.< / b >
Pod概览
< / a >
< / li >
< li class = "chapter " data-level = "3.4.2" data-path = "../concepts/pod.html" >
< a href = "../concepts/pod.html" >
< b > 3.4.2.< / b >
Pod解析
< / a >
< / li >
< li class = "chapter " data-level = "3.4.3" data-path = "../concepts/init-containers.html" >
< a href = "../concepts/init-containers.html" >
< b > 3.4.3.< / b >
Init容器
< / a >
< / li >
< li class = "chapter " data-level = "3.4.4" data-path = "../concepts/pause-container.html" >
< a href = "../concepts/pause-container.html" >
< b > 3.4.4.< / b >
Pause容器
< / a >
< / li >
< li class = "chapter " data-level = "3.4.5" data-path = "../concepts/pod-security-policy.html" >
< a href = "../concepts/pod-security-policy.html" >
< b > 3.4.5.< / b >
Pod安全策略
< / a >
< / li >
< li class = "chapter " data-level = "3.4.6" data-path = "../concepts/pod-lifecycle.html" >
< a href = "../concepts/pod-lifecycle.html" >
< b > 3.4.6.< / b >
Pod的生命周期
< / a >
< / li >
< li class = "chapter " data-level = "3.4.7" data-path = "../concepts/pod-hook.html" >
< a href = "../concepts/pod-hook.html" >
< b > 3.4.7.< / b >
Pod Hook
< / a >
< / li >
< li class = "chapter " data-level = "3.4.8" data-path = "../concepts/pod-preset.html" >
< a href = "../concepts/pod-preset.html" >
< b > 3.4.8.< / b >
Pod Preset
< / a >
< / li >
< li class = "chapter " data-level = "3.4.9" data-path = "../concepts/pod-disruption-budget.html" >
< a href = "../concepts/pod-disruption-budget.html" >
< b > 3.4.9.< / b >
Pod中断与PDB（ ）
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< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.5" data-path = "../concepts/cluster.html" >
< a href = "../concepts/cluster.html" >
< b > 3.5.< / b >
集群资源管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.5.1" data-path = "../concepts/node.html" >
< a href = "../concepts/node.html" >
< b > 3.5.1.< / b >
Node
< / a >
< / li >
< li class = "chapter " data-level = "3.5.2" data-path = "../concepts/namespace.html" >
< a href = "../concepts/namespace.html" >
< b > 3.5.2.< / b >
Namespace
< / a >
< / li >
< li class = "chapter " data-level = "3.5.3" data-path = "../concepts/label.html" >
< a href = "../concepts/label.html" >
< b > 3.5.3.< / b >
Label
< / a >
< / li >
< li class = "chapter " data-level = "3.5.4" data-path = "../concepts/annotation.html" >
< a href = "../concepts/annotation.html" >
< b > 3.5.4.< / b >
Annotation
< / a >
< / li >
< li class = "chapter " data-level = "3.5.5" data-path = "../concepts/taint-and-toleration.html" >
< a href = "../concepts/taint-and-toleration.html" >
< b > 3.5.5.< / b >
Taint和Toleration（ ）
< / a >
< / li >
< li class = "chapter " data-level = "3.5.6" data-path = "../concepts/garbage-collection.html" >
< a href = "../concepts/garbage-collection.html" >
< b > 3.5.6.< / b >
垃圾收集
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< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.6" data-path = "../concepts/controllers.html" >
< a href = "../concepts/controllers.html" >
< b > 3.6.< / b >
控制器
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.6.1" data-path = "../concepts/deployment.html" >
< a href = "../concepts/deployment.html" >
< b > 3.6.1.< / b >
Deployment
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< / li >
< li class = "chapter " data-level = "3.6.2" data-path = "../concepts/statefulset.html" >
< a href = "../concepts/statefulset.html" >
< b > 3.6.2.< / b >
StatefulSet
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< / li >
< li class = "chapter " data-level = "3.6.3" data-path = "../concepts/daemonset.html" >
< a href = "../concepts/daemonset.html" >
< b > 3.6.3.< / b >
DaemonSet
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< / li >
< li class = "chapter " data-level = "3.6.4" data-path = "../concepts/replicaset.html" >
< a href = "../concepts/replicaset.html" >
< b > 3.6.4.< / b >
ReplicationController和ReplicaSet
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< / li >
< li class = "chapter " data-level = "3.6.5" data-path = "../concepts/job.html" >
< a href = "../concepts/job.html" >
< b > 3.6.5.< / b >
Job
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< / li >
< li class = "chapter " data-level = "3.6.6" data-path = "../concepts/cronjob.html" >
< a href = "../concepts/cronjob.html" >
< b > 3.6.6.< / b >
CronJob
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< / li >
< li class = "chapter " data-level = "3.6.7" data-path = "../concepts/horizontal-pod-autoscaling.html" >
< a href = "../concepts/horizontal-pod-autoscaling.html" >
< b > 3.6.7.< / b >
Horizontal Pod Autoscaling
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< ul class = "articles" >
< li class = "chapter " data-level = "3.6.7.1" data-path = "../concepts/custom-metrics-hpa.html" >
< a href = "../concepts/custom-metrics-hpa.html" >
< b > 3.6.7.1.< / b >
自定义指标HPA
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< / li >
< li class = "chapter " data-level = "3.6.8" data-path = "../concepts/admission-controller.html" >
< a href = "../concepts/admission-controller.html" >
< b > 3.6.8.< / b >
准入控制器（ ）
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< / li >
< li class = "chapter " data-level = "3.7" data-path = "../concepts/service-discovery.html" >
< a href = "../concepts/service-discovery.html" >
< b > 3.7.< / b >
服务发现
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< ul class = "articles" >
< li class = "chapter " data-level = "3.7.1" data-path = "../concepts/service.html" >
< a href = "../concepts/service.html" >
< b > 3.7.1.< / b >
Service
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< / li >
< li class = "chapter " data-level = "3.7.2" data-path = "../concepts/ingress.html" >
< a href = "../concepts/ingress.html" >
< b > 3.7.2.< / b >
Ingress
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< ul class = "articles" >
< li class = "chapter " data-level = "3.7.2.1" data-path = "../concepts/traefik-ingress-controller.html" >
< a href = "../concepts/traefik-ingress-controller.html" >
< b > 3.7.2.1.< / b >
Traefik Ingress Controller
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< li class = "chapter " data-level = "3.8" data-path = "../concepts/authentication-and-permission.html" >
< a href = "../concepts/authentication-and-permission.html" >
< b > 3.8.< / b >
身份与权限控制
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< ul class = "articles" >
< li class = "chapter " data-level = "3.8.1" data-path = "../concepts/serviceaccount.html" >
< a href = "../concepts/serviceaccount.html" >
< b > 3.8.1.< / b >
ServiceAccount
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< / li >
< li class = "chapter " data-level = "3.8.2" data-path = "../concepts/rbac.html" >
< a href = "../concepts/rbac.html" >
< b > 3.8.2.< / b >
RBAC——基于角色的访问控制
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< / li >
< li class = "chapter " data-level = "3.8.3" data-path = "../concepts/network-policy.html" >
< a href = "../concepts/network-policy.html" >
< b > 3.8.3.< / b >
NetworkPolicy
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< li class = "chapter " data-level = "3.9" data-path = "../concepts/storage.html" >
< a href = "../concepts/storage.html" >
< b > 3.9.< / b >
存储
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< li class = "chapter " data-level = "3.9.1" data-path = "../concepts/secret.html" >
< a href = "../concepts/secret.html" >
< b > 3.9.1.< / b >
Secret
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< / li >
< li class = "chapter " data-level = "3.9.2" data-path = "../concepts/configmap.html" >
< a href = "../concepts/configmap.html" >
< b > 3.9.2.< / b >
ConfigMap
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< li class = "chapter " data-level = "3.9.2.1" data-path = "../concepts/configmap-hot-update.html" >
< a href = "../concepts/configmap-hot-update.html" >
< b > 3.9.2.1.< / b >
ConfigMap的热更新
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< li class = "chapter " data-level = "3.9.3" data-path = "../concepts/volume.html" >
< a href = "../concepts/volume.html" >
< b > 3.9.3.< / b >
Volume
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< li class = "chapter " data-level = "3.9.4" data-path = "../concepts/persistent-volume.html" >
< a href = "../concepts/persistent-volume.html" >
< b > 3.9.4.< / b >
Persistent Volume（ ）
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< / li >
< li class = "chapter " data-level = "3.9.5" data-path = "../concepts/storageclass.html" >
< a href = "../concepts/storageclass.html" >
< b > 3.9.5.< / b >
Storage Class
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< / li >
< li class = "chapter " data-level = "3.9.6" data-path = "../concepts/local-persistent-storage.html" >
< a href = "../concepts/local-persistent-storage.html" >
< b > 3.9.6.< / b >
本地持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.10" data-path = "../concepts/extension.html" >
< a href = "../concepts/extension.html" >
< b > 3.10.< / b >
集群扩展
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.10.1" data-path = "../concepts/custom-resource.html" >
< a href = "../concepts/custom-resource.html" >
< b > 3.10.1.< / b >
使用自定义资源扩展API
< / a >
< / li >
< li class = "chapter " data-level = "3.10.2" data-path = "../concepts/crd.html" >
< a href = "../concepts/crd.html" >
< b > 3.10.2.< / b >
使用CRD扩展Kubernetes API
< / a >
< / li >
< li class = "chapter " data-level = "3.10.3" data-path = "../concepts/aggregated-api-server.html" >
< a href = "../concepts/aggregated-api-server.html" >
< b > 3.10.3.< / b >
Aggregated API Server
< / a >
< / li >
< li class = "chapter " data-level = "3.10.4" data-path = "../concepts/apiservice.html" >
< a href = "../concepts/apiservice.html" >
< b > 3.10.4.< / b >
APIService
< / a >
< / li >
< li class = "chapter " data-level = "3.10.5" data-path = "../concepts/service-catalog.html" >
< a href = "../concepts/service-catalog.html" >
< b > 3.10.5.< / b >
Service Catalog
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "3.11" data-path = "../concepts/scheduling.html" >
< a href = "../concepts/scheduling.html" >
< b > 3.11.< / b >
资源调度
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.11.1" data-path = "../concepts/qos.html" >
< a href = "../concepts/qos.html" >
< b > 3.11.1.< / b >
QoS（ ）
< / a >
< / li >
< / ul >
< / li >
< li class = "header" > 用户指南< / li >
< li class = "chapter " data-level = "4.1" data-path = "../guide/" >
< a href = "../guide/" >
< b > 4.1.< / b >
用户指南
< / a >
< / li >
< li class = "chapter " data-level = "4.2" data-path = "../guide/resource-configuration.html" >
< a href = "../guide/resource-configuration.html" >
< b > 4.2.< / b >
资源对象配置
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.2.1" data-path = "../guide/configure-liveness-readiness-probes.html" >
< a href = "../guide/configure-liveness-readiness-probes.html" >
< b > 4.2.1.< / b >
配置Pod的liveness和readiness探针
< / a >
< / li >
< li class = "chapter " data-level = "4.2.2" data-path = "../guide/configure-pod-service-account.html" >
< a href = "../guide/configure-pod-service-account.html" >
< b > 4.2.2.< / b >
配置Pod的Service Account
< / a >
< / li >
< li class = "chapter " data-level = "4.2.3" data-path = "../guide/secret-configuration.html" >
< a href = "../guide/secret-configuration.html" >
< b > 4.2.3.< / b >
Secret配置
< / a >
< / li >
< li class = "chapter " data-level = "4.2.4" data-path = "../guide/resource-quota-management.html" >
< a href = "../guide/resource-quota-management.html" >
< b > 4.2.4.< / b >
管理namespace中的资源配额
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.3" data-path = "../guide/command-usage.html" >
< a href = "../guide/command-usage.html" >
< b > 4.3.< / b >
命令使用
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.3.1" data-path = "../guide/docker-cli-to-kubectl.html" >
< a href = "../guide/docker-cli-to-kubectl.html" >
< b > 4.3.1.< / b >
2019-05-16 17:29:13 +08:00
Docker用户过渡到kubectl命令行指南
2019-01-02 16:44:20 +08:00
< / a >
< / li >
< li class = "chapter " data-level = "4.3.2" data-path = "../guide/using-kubectl.html" >
< a href = "../guide/using-kubectl.html" >
< b > 4.3.2.< / b >
kubectl命令概览
< / a >
< / li >
< li class = "chapter " data-level = "4.3.3" data-path = "../guide/kubectl-cheatsheet.html" >
< a href = "../guide/kubectl-cheatsheet.html" >
< b > 4.3.3.< / b >
kubectl命令技巧大全
< / a >
< / li >
< li class = "chapter " data-level = "4.3.4" data-path = "../guide/using-etcdctl-to-access-kubernetes-data.html" >
< a href = "../guide/using-etcdctl-to-access-kubernetes-data.html" >
< b > 4.3.4.< / b >
使用etcdctl访问kubernetes数据
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.4" data-path = "../guide/cluster-security-management.html" >
< a href = "../guide/cluster-security-management.html" >
< b > 4.4.< / b >
集群安全性管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.4.1" data-path = "../guide/managing-tls-in-a-cluster.html" >
< a href = "../guide/managing-tls-in-a-cluster.html" >
< b > 4.4.1.< / b >
管理集群中的TLS
< / a >
< / li >
< li class = "chapter " data-level = "4.4.2" data-path = "../guide/kubelet-authentication-authorization.html" >
< a href = "../guide/kubelet-authentication-authorization.html" >
< b > 4.4.2.< / b >
kubelet的认证授权
< / a >
< / li >
< li class = "chapter " data-level = "4.4.3" data-path = "../guide/tls-bootstrapping.html" >
< a href = "../guide/tls-bootstrapping.html" >
< b > 4.4.3.< / b >
TLS bootstrap
< / a >
< / li >
< li class = "chapter " data-level = "4.4.4" data-path = "../guide/kubectl-user-authentication-authorization.html" >
< a href = "../guide/kubectl-user-authentication-authorization.html" >
< b > 4.4.4.< / b >
创建用户认证授权的kubeconfig文件
< / a >
< / li >
< li class = "chapter " data-level = "4.4.5" data-path = "../guide/ip-masq-agent.html" >
< a href = "../guide/ip-masq-agent.html" >
< b > 4.4.5.< / b >
IP伪装代理
< / a >
< / li >
< li class = "chapter " data-level = "4.4.6" data-path = "../guide/auth-with-kubeconfig-or-token.html" >
< a href = "../guide/auth-with-kubeconfig-or-token.html" >
< b > 4.4.6.< / b >
使用kubeconfig或token进行用户身份认证
< / a >
< / li >
< li class = "chapter " data-level = "4.4.7" data-path = "../guide/authentication.html" >
< a href = "../guide/authentication.html" >
< b > 4.4.7.< / b >
Kubernetes中的用户与身份认证授权
< / a >
< / li >
< li class = "chapter " data-level = "4.4.8" data-path = "../guide/kubernetes-security-best-practice.html" >
< a href = "../guide/kubernetes-security-best-practice.html" >
< b > 4.4.8.< / b >
Kubernetes集群安全性配置最佳实践
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.5" data-path = "../guide/access-kubernetes-cluster.html" >
< a href = "../guide/access-kubernetes-cluster.html" >
< b > 4.5.< / b >
访问Kubernetes集群
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.5.1" data-path = "../guide/access-cluster.html" >
< a href = "../guide/access-cluster.html" >
< b > 4.5.1.< / b >
访问集群
< / a >
< / li >
< li class = "chapter " data-level = "4.5.2" data-path = "../guide/authenticate-across-clusters-kubeconfig.html" >
< a href = "../guide/authenticate-across-clusters-kubeconfig.html" >
< b > 4.5.2.< / b >
使用kubeconfig文件配置跨集群认证
< / a >
< / li >
< li class = "chapter " data-level = "4.5.3" data-path = "../guide/connecting-to-applications-port-forward.html" >
< a href = "../guide/connecting-to-applications-port-forward.html" >
< b > 4.5.3.< / b >
通过端口转发访问集群中的应用程序
< / a >
< / li >
< li class = "chapter " data-level = "4.5.4" data-path = "../guide/service-access-application-cluster.html" >
< a href = "../guide/service-access-application-cluster.html" >
< b > 4.5.4.< / b >
使用service访问群集中的应用程序
< / a >
< / li >
< li class = "chapter " data-level = "4.5.5" data-path = "../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html" >
< a href = "../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html" >
< b > 4.5.5.< / b >
从外部访问Kubernetes中的Pod
< / a >
< / li >
< li class = "chapter " data-level = "4.5.6" data-path = "../guide/cabin-mobile-dashboard-for-kubernetes.html" >
< a href = "../guide/cabin-mobile-dashboard-for-kubernetes.html" >
< b > 4.5.6.< / b >
Cabin - Kubernetes手机客户端
< / a >
< / li >
< li class = "chapter " data-level = "4.5.7" data-path = "../guide/kubernetes-desktop-client.html" >
< a href = "../guide/kubernetes-desktop-client.html" >
< b > 4.5.7.< / b >
Kubernetic - Kubernetes桌面客户端
< / a >
< / li >
< li class = "chapter " data-level = "4.5.8" data-path = "../guide/kubernator-kubernetes-ui.html" >
< a href = "../guide/kubernator-kubernetes-ui.html" >
< b > 4.5.8.< / b >
Kubernator - 更底层的Kubernetes UI
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "4.6" data-path = "../guide/application-development-deployment-flow.html" >
< a href = "../guide/application-development-deployment-flow.html" >
< b > 4.6.< / b >
在Kubernetes中开发部署应用
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "4.6.1" data-path = "../guide/deploy-applications-in-kubernetes.html" >
< a href = "../guide/deploy-applications-in-kubernetes.html" >
< b > 4.6.1.< / b >
适用于kubernetes的应用开发部署流程
< / a >
< / li >
< li class = "chapter " data-level = "4.6.2" data-path = "../guide/migrating-hadoop-yarn-to-kubernetes.html" >
< a href = "../guide/migrating-hadoop-yarn-to-kubernetes.html" >
< b > 4.6.2.< / b >
迁移传统应用到Kubernetes中——以Hadoop YARN为例
< / a >
< / li >
< li class = "chapter " data-level = "4.6.3" data-path = "../guide/using-statefulset.html" >
< a href = "../guide/using-statefulset.html" >
< b > 4.6.3.< / b >
使用StatefulSet部署用状态应用
< / a >
< / li >
< / ul >
< / li >
< li class = "header" > 最佳实践< / li >
< li class = "chapter " data-level = "5.1" data-path = "../practice/" >
< a href = "../practice/" >
< b > 5.1.< / b >
最佳实践概览
< / a >
< / li >
< li class = "chapter " data-level = "5.2" data-path = "../practice/install-kubernetes-on-centos.html" >
< a href = "../practice/install-kubernetes-on-centos.html" >
< b > 5.2.< / b >
在CentOS上部署Kubernetes集群
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.2.1" data-path = "../practice/create-tls-and-secret-key.html" >
< a href = "../practice/create-tls-and-secret-key.html" >
< b > 5.2.1.< / b >
创建TLS证书和秘钥
< / a >
< / li >
< li class = "chapter " data-level = "5.2.2" data-path = "../practice/create-kubeconfig.html" >
< a href = "../practice/create-kubeconfig.html" >
< b > 5.2.2.< / b >
创建kubeconfig文件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.3" data-path = "../practice/etcd-cluster-installation.html" >
< a href = "../practice/etcd-cluster-installation.html" >
< b > 5.2.3.< / b >
创建高可用etcd集群
< / a >
< / li >
< li class = "chapter " data-level = "5.2.4" data-path = "../practice/kubectl-installation.html" >
< a href = "../practice/kubectl-installation.html" >
< b > 5.2.4.< / b >
安装kubectl命令行工具
< / a >
< / li >
< li class = "chapter " data-level = "5.2.5" data-path = "../practice/master-installation.html" >
< a href = "../practice/master-installation.html" >
< b > 5.2.5.< / b >
部署master节点
< / a >
< / li >
< li class = "chapter " data-level = "5.2.6" data-path = "../practice/flannel-installation.html" >
< a href = "../practice/flannel-installation.html" >
< b > 5.2.6.< / b >
安装flannel网络插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.7" data-path = "../practice/node-installation.html" >
< a href = "../practice/node-installation.html" >
< b > 5.2.7.< / b >
部署node节点
< / a >
< / li >
< li class = "chapter " data-level = "5.2.8" data-path = "../practice/kubedns-addon-installation.html" >
< a href = "../practice/kubedns-addon-installation.html" >
< b > 5.2.8.< / b >
安装kubedns插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.9" data-path = "../practice/dashboard-addon-installation.html" >
< a href = "../practice/dashboard-addon-installation.html" >
< b > 5.2.9.< / b >
安装dashboard插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.10" data-path = "../practice/heapster-addon-installation.html" >
< a href = "../practice/heapster-addon-installation.html" >
< b > 5.2.10.< / b >
安装heapster插件
< / a >
< / li >
< li class = "chapter " data-level = "5.2.11" data-path = "../practice/efk-addon-installation.html" >
< a href = "../practice/efk-addon-installation.html" >
< b > 5.2.11.< / b >
安装EFK插件
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.3" data-path = "../practice/install-kubernetes-with-kubeadm.html" >
< a href = "../practice/install-kubernetes-with-kubeadm.html" >
< b > 5.3.< / b >
生产级的Kubernetes简化管理工具kubeadm
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.3.1" data-path = "../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html" >
< a href = "../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html" >
< b > 5.3.1.< / b >
使用kubeadm在Ubuntu Server 16.04上快速构建测试集群
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.4" data-path = "../practice/service-discovery-and-loadbalancing.html" >
< a href = "../practice/service-discovery-and-loadbalancing.html" >
< b > 5.4.< / b >
服务发现与负载均衡
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.4.1" data-path = "../practice/traefik-ingress-installation.html" >
< a href = "../practice/traefik-ingress-installation.html" >
< b > 5.4.1.< / b >
安装Traefik ingress
< / a >
< / li >
< li class = "chapter " data-level = "5.4.2" data-path = "../practice/distributed-load-test.html" >
< a href = "../practice/distributed-load-test.html" >
< b > 5.4.2.< / b >
分布式负载测试
< / a >
< / li >
< li class = "chapter " data-level = "5.4.3" data-path = "../practice/network-and-cluster-perfermance-test.html" >
< a href = "../practice/network-and-cluster-perfermance-test.html" >
< b > 5.4.3.< / b >
网络和集群性能测试
< / a >
< / li >
< li class = "chapter " data-level = "5.4.4" data-path = "../practice/edge-node-configuration.html" >
< a href = "../practice/edge-node-configuration.html" >
< b > 5.4.4.< / b >
边缘节点配置
< / a >
< / li >
< li class = "chapter " data-level = "5.4.5" data-path = "../practice/nginx-ingress-installation.html" >
< a href = "../practice/nginx-ingress-installation.html" >
< b > 5.4.5.< / b >
安装Nginx ingress
< / a >
< / li >
< li class = "chapter " data-level = "5.4.6" data-path = "../practice/dns-installation.html" >
< a href = "../practice/dns-installation.html" >
< b > 5.4.6.< / b >
安装配置DNS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.4.6.1" data-path = "../practice/configuring-dns.html" >
< a href = "../practice/configuring-dns.html" >
< b > 5.4.6.1.< / b >
安装配置Kube-dns
< / a >
< / li >
< li class = "chapter " data-level = "5.4.6.2" data-path = "../practice/coredns.html" >
< a href = "../practice/coredns.html" >
< b > 5.4.6.2.< / b >
安装配置CoreDNS
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.5" data-path = "../practice/operation.html" >
< a href = "../practice/operation.html" >
< b > 5.5.< / b >
运维管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.5.1" data-path = "../practice/master-ha.html" >
< a href = "../practice/master-ha.html" >
< b > 5.5.1.< / b >
Master节点高可用
< / a >
< / li >
< li class = "chapter " data-level = "5.5.2" data-path = "../practice/service-rolling-update.html" >
< a href = "../practice/service-rolling-update.html" >
< b > 5.5.2.< / b >
服务滚动升级
< / a >
< / li >
< li class = "chapter " data-level = "5.5.3" data-path = "../practice/app-log-collection.html" >
< a href = "../practice/app-log-collection.html" >
< b > 5.5.3.< / b >
应用日志收集
< / a >
< / li >
< li class = "chapter " data-level = "5.5.4" data-path = "../practice/configuration-best-practice.html" >
< a href = "../practice/configuration-best-practice.html" >
< b > 5.5.4.< / b >
配置最佳实践
< / a >
< / li >
< li class = "chapter " data-level = "5.5.5" data-path = "../practice/monitor.html" >
< a href = "../practice/monitor.html" >
< b > 5.5.5.< / b >
集群及应用监控
< / a >
< / li >
< li class = "chapter " data-level = "5.5.6" data-path = "../practice/data-persistence-problem.html" >
< a href = "../practice/data-persistence-problem.html" >
< b > 5.5.6.< / b >
数据持久化问题
< / a >
< / li >
< li class = "chapter " data-level = "5.5.7" data-path = "../practice/manage-compute-resources-container.html" >
< a href = "../practice/manage-compute-resources-container.html" >
< b > 5.5.7.< / b >
管理容器的计算资源
< / a >
< / li >
< li class = "chapter " data-level = "5.5.8" data-path = "../practice/federation.html" >
< a href = "../practice/federation.html" >
< b > 5.5.8.< / b >
集群联邦
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6" data-path = "../practice/storage.html" >
< a href = "../practice/storage.html" >
< b > 5.6.< / b >
存储管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.1" data-path = "../practice/glusterfs.html" >
< a href = "../practice/glusterfs.html" >
< b > 5.6.1.< / b >
GlusterFS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.1.1" data-path = "../practice/using-glusterfs-for-persistent-storage.html" >
< a href = "../practice/using-glusterfs-for-persistent-storage.html" >
< b > 5.6.1.1.< / b >
使用GlusterFS做持久化存储
< / a >
< / li >
< li class = "chapter " data-level = "5.6.1.2" data-path = "../practice/using-heketi-gluster-for-persistent-storage.html" >
< a href = "../practice/using-heketi-gluster-for-persistent-storage.html" >
< b > 5.6.1.2.< / b >
使用Heketi作为Kubernetes的持久存储GlusterFS的external provisioner
< / a >
< / li >
< li class = "chapter " data-level = "5.6.1.3" data-path = "../practice/storage-for-containers-using-glusterfs-with-openshift.html" >
< a href = "../practice/storage-for-containers-using-glusterfs-with-openshift.html" >
< b > 5.6.1.3.< / b >
在OpenShift中使用GlusterFS做持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6.2" data-path = "../practice/glusterd-2.0.html" >
< a href = "../practice/glusterd-2.0.html" >
< b > 5.6.2.< / b >
GlusterD-2.0
< / a >
< / li >
< li class = "chapter " data-level = "5.6.3" data-path = "../practice/ceph.html" >
< a href = "../practice/ceph.html" >
< b > 5.6.3.< / b >
Ceph
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.3.1" data-path = "../practice/ceph-helm-install-guide-zh.html" >
< a href = "../practice/ceph-helm-install-guide-zh.html" >
< b > 5.6.3.1.< / b >
用Helm托管安装Ceph集群并提供后端存储
< / a >
< / li >
< li class = "chapter " data-level = "5.6.3.2" data-path = "../practice/using-ceph-for-persistent-storage.html" >
< a href = "../practice/using-ceph-for-persistent-storage.html" >
< b > 5.6.3.2.< / b >
使用Ceph做持久化存储
< / a >
< / li >
< li class = "chapter " data-level = "5.6.3.3" data-path = "../practice/rbd-provisioner.html" >
< a href = "../practice/rbd-provisioner.html" >
< b > 5.6.3.3.< / b >
使用rbd-provisioner提供rbd持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6.4" data-path = "../practice/openebs.html" >
< a href = "../practice/openebs.html" >
< b > 5.6.4.< / b >
OpenEBS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.4.1" data-path = "../practice/using-openebs-for-persistent-storage.html" >
< a href = "../practice/using-openebs-for-persistent-storage.html" >
< b > 5.6.4.1.< / b >
使用OpenEBS做持久化存储
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.6.5" data-path = "../practice/rook.html" >
< a href = "../practice/rook.html" >
< b > 5.6.5.< / b >
Rook
< / a >
< / li >
< li class = "chapter " data-level = "5.6.6" data-path = "../practice/nfs.html" >
< a href = "../practice/nfs.html" >
< b > 5.6.6.< / b >
NFS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.6.6.1" data-path = "../practice/using-nfs-for-persistent-storage.html" >
< a href = "../practice/using-nfs-for-persistent-storage.html" >
< b > 5.6.6.1.< / b >
利用NFS动态提供Kubernetes后端存储卷
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.7" data-path = "../practice/monitoring.html" >
< a href = "../practice/monitoring.html" >
< b > 5.7.< / b >
集群与应用监控
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.7.1" data-path = "../practice/heapster.html" >
< a href = "../practice/heapster.html" >
< b > 5.7.1.< / b >
Heapster
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.7.1.1" data-path = "../practice/using-heapster-to-get-object-metrics.html" >
< a href = "../practice/using-heapster-to-get-object-metrics.html" >
< b > 5.7.1.1.< / b >
使用Heapster获取集群和对象的metric数据
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.7.2" data-path = "../practice/prometheus.html" >
< a href = "../practice/prometheus.html" >
< b > 5.7.2.< / b >
Prometheus
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.7.2.1" data-path = "../practice/using-prometheus-to-monitor-kuberentes-cluster.html" >
< a href = "../practice/using-prometheus-to-monitor-kuberentes-cluster.html" >
< b > 5.7.2.1.< / b >
使用Prometheus监控kubernetes集群
< / a >
< / li >
< li class = "chapter " data-level = "5.7.2.2" data-path = "../practice/promql.html" >
< a href = "../practice/promql.html" >
< b > 5.7.2.2.< / b >
Prometheus查询语言PromQL使用说明
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.7.3" data-path = "../practice/vistio-visualize-your-istio-mesh.html" >
< a href = "../practice/vistio-visualize-your-istio-mesh.html" >
< b > 5.7.3.< / b >
使用Vistio监控Istio服务网格中的流量
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.8" data-path = "../practice/distributed-tracing.html" >
< a href = "../practice/distributed-tracing.html" >
< b > 5.8.< / b >
分布式跟踪
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.8.1" data-path = "../practice/opentracing.html" >
< a href = "../practice/opentracing.html" >
< b > 5.8.1.< / b >
OpenTracing
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.9" data-path = "../practice/services-management-tool.html" >
< a href = "../practice/services-management-tool.html" >
< b > 5.9.< / b >
服务编排管理
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.9.1" data-path = "../practice/helm.html" >
< a href = "../practice/helm.html" >
< b > 5.9.1.< / b >
使用Helm管理Kubernetes应用
< / a >
< / li >
< li class = "chapter " data-level = "5.9.2" data-path = "../practice/create-private-charts-repo.html" >
< a href = "../practice/create-private-charts-repo.html" >
< b > 5.9.2.< / b >
构建私有Chart仓库
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.10" data-path = "../practice/ci-cd.html" >
< a href = "../practice/ci-cd.html" >
< b > 5.10.< / b >
持续集成与发布
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.10.1" data-path = "../practice/jenkins-ci-cd.html" >
< a href = "../practice/jenkins-ci-cd.html" >
< b > 5.10.1.< / b >
使用Jenkins进行持续集成与发布
< / a >
< / li >
< li class = "chapter " data-level = "5.10.2" data-path = "../practice/drone-ci-cd.html" >
< a href = "../practice/drone-ci-cd.html" >
< b > 5.10.2.< / b >
使用Drone进行持续集成与发布
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.11" data-path = "../practice/update-and-upgrade.html" >
< a href = "../practice/update-and-upgrade.html" >
< b > 5.11.< / b >
更新与升级
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.11.1" data-path = "../practice/manually-upgrade.html" >
< a href = "../practice/manually-upgrade.html" >
< b > 5.11.1.< / b >
手动升级Kubernetes集群
< / a >
< / li >
< li class = "chapter " data-level = "5.11.2" data-path = "../practice/dashboard-upgrade.html" >
< a href = "../practice/dashboard-upgrade.html" >
< b > 5.11.2.< / b >
升级dashboard
< / a >
< / li >
< / ul >
< / li >
< li class = "header" > 领域应用< / li >
< li class = "chapter " data-level = "6.1" data-path = "./" >
< a href = "./" >
< b > 6.1.< / b >
领域应用概览
< / a >
< / li >
< li class = "chapter " data-level = "6.2" data-path = "microservices.html" >
< a href = "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 = "service-discovery-in-microservices.html" >
< a href = "service-discovery-in-microservices.html" >
< b > 6.2.1.< / b >
微服务中的服务发现
< / a >
< / li >
< li class = "chapter " data-level = "6.2.2" data-path = "microservices-for-java-developers.html" >
< a href = "microservices-for-java-developers.html" >
< b > 6.2.2.< / b >
使用Java构建微服务并发布到Kubernetes平台
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.2.2.1" data-path = "spring-boot-quick-start-guide.html" >
< a href = "spring-boot-quick-start-guide.html" >
< b > 6.2.2.1.< / b >
Spring Boot快速开始指南
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3" data-path = "service-mesh.html" >
< a href = "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 = "the-enterprise-path-to-service-mesh-architectures.html" >
< a href = "the-enterprise-path-to-service-mesh-architectures.html" >
< b > 6.3.1.< / b >
企业级服务网格架构
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.1.1" data-path = "service-mesh-fundamental.html" >
< a href = "service-mesh-fundamental.html" >
< b > 6.3.1.1.< / b >
Service Mesh基础
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.2" data-path = "comparing-service-mesh-technologies.html" >
< a href = "comparing-service-mesh-technologies.html" >
< b > 6.3.1.2.< / b >
Service Mesh技术对比
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.3" data-path = "service-mesh-adoption-and-evolution.html" >
< a href = "service-mesh-adoption-and-evolution.html" >
< b > 6.3.1.3.< / b >
采纳和演进
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.4" data-path = "service-mesh-customization-and-integration.html" >
< a href = "service-mesh-customization-and-integration.html" >
< b > 6.3.1.4.< / b >
定制和集成
< / a >
< / li >
< li class = "chapter " data-level = "6.3.1.5" data-path = "service-mesh-conclusion.html" >
< a href = "service-mesh-conclusion.html" >
< b > 6.3.1.5.< / b >
总结
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.2" data-path = "istio.html" >
< a href = "istio.html" >
< b > 6.3.2.< / b >
Istio
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.2.1" data-path = "istio-installation.html" >
< a href = "istio-installation.html" >
< b > 6.3.2.1.< / b >
安装并试用Istio service mesh
< / a >
< / li >
2020-02-05 22:44:52 +08:00
< li class = "chapter " data-level = "6.3.2.2" data-path = "sidecar-spec-in-istio.html" >
2019-01-02 16:44:20 +08:00
< a href = "sidecar-spec-in-istio.html" >
2020-02-05 22:44:52 +08:00
< b > 6.3.2.2.< / b >
2019-01-02 16:44:20 +08:00
Istio中sidecar的注入规范及示例
< / a >
< / li >
2020-02-05 22:44:52 +08:00
< li class = "chapter " data-level = "6.3.2.3" data-path = "istio-community-tips.html" >
2019-01-02 16:44:20 +08:00
< a href = "istio-community-tips.html" >
2020-02-05 22:44:52 +08:00
< b > 6.3.2.3.< / b >
2019-01-02 16:44:20 +08:00
如何参与Istio社区及注意事项
< / a >
< / li >
2020-02-05 22:44:52 +08:00
< li class = "chapter " data-level = "6.3.2.4" data-path = "istio-tutorials-collection.html" >
2019-01-02 16:44:20 +08:00
< a href = "istio-tutorials-collection.html" >
2020-02-05 22:44:52 +08:00
< b > 6.3.2.4.< / b >
2019-01-02 16:44:20 +08:00
Istio免费学习资源汇总
< / a >
< / li >
2020-02-05 22:44:52 +08:00
< li class = "chapter " data-level = "6.3.2.5" data-path = "understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html" >
2019-01-02 16:44:20 +08:00
< a href = "understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html" >
2020-02-05 22:44:52 +08:00
< b > 6.3.2.5.< / b >
2019-01-02 16:44:20 +08:00
2020-02-05 22:44:52 +08:00
Sidecar的注入与流量劫持
2019-01-02 16:44:20 +08:00
< / a >
< / li >
2020-02-05 22:44:52 +08:00
< li class = "chapter active" data-level = "6.3.2.6" data-path = "envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html" >
2019-01-02 16:44:20 +08:00
< a href = "envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html" >
2020-02-05 22:44:52 +08:00
< b > 6.3.2.6.< / b >
2019-01-02 16:44:20 +08:00
2020-02-05 22:44:52 +08:00
Envoy Sidecar代理的路由转发
2019-01-02 16:44:20 +08:00
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.3" data-path = "linkerd.html" >
< a href = "linkerd.html" >
< b > 6.3.3.< / b >
Linkerd
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.3.1" data-path = "linkerd-user-guide.html" >
< a href = "linkerd-user-guide.html" >
< b > 6.3.3.1.< / b >
Linkerd 使用指南
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.4" data-path = "conduit.html" >
< a href = "conduit.html" >
< b > 6.3.4.< / b >
Conduit
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.4.1" data-path = "conduit-overview.html" >
< a href = "conduit-overview.html" >
< b > 6.3.4.1.< / b >
Condiut概览
< / a >
< / li >
< li class = "chapter " data-level = "6.3.4.2" data-path = "conduit-installation.html" >
< a href = "conduit-installation.html" >
< b > 6.3.4.2.< / b >
安装Conduit
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.3.5" data-path = "envoy.html" >
< a href = "envoy.html" >
< b > 6.3.5.< / b >
Envoy
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.3.5.1" data-path = "envoy-terminology.html" >
< a href = "envoy-terminology.html" >
< b > 6.3.5.1.< / b >
Envoy的架构与基本术语
< / a >
< / li >
< li class = "chapter " data-level = "6.3.5.2" data-path = "envoy-front-proxy.html" >
< a href = "envoy-front-proxy.html" >
< b > 6.3.5.2.< / b >
Envoy作为前端代理
< / a >
< / li >
< li class = "chapter " data-level = "6.3.5.3" data-path = "envoy-mesh-in-kubernetes-tutorial.html" >
< a href = "envoy-mesh-in-kubernetes-tutorial.html" >
< b > 6.3.5.3.< / b >
Envoy mesh教程
< / a >
< / li >
< / ul >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.4" data-path = "big-data.html" >
< a href = "big-data.html" >
< b > 6.4.< / b >
大数据
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.4.1" data-path = "spark-standalone-on-kubernetes.html" >
< a href = "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 = "running-spark-with-kubernetes-native-scheduler.html" >
< a href = "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 = "serverless.html" >
< a href = "serverless.html" >
< b > 6.5.< / b >
Serverless架构
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.5.1" data-path = "understanding-serverless.html" >
< a href = "understanding-serverless.html" >
< b > 6.5.1.< / b >
理解Serverless
< / a >
< / li >
< li class = "chapter " data-level = "6.5.2" data-path = "faas.html" >
< a href = "faas.html" >
< b > 6.5.2.< / b >
2020-02-05 22:44:52 +08:00
FaaS（ ）
2019-01-02 16:44:20 +08:00
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "6.5.2.1" data-path = "openfaas-quick-start.html" >
< a href = "openfaas-quick-start.html" >
< b > 6.5.2.1.< / b >
OpenFaaS快速入门指南
< / a >
< / li >
< / ul >
2020-02-05 22:44:52 +08:00
< / li >
< li class = "chapter " data-level = "6.5.3" data-path = "knative.html" >
< a href = "knative.html" >
< b > 6.5.3.< / b >
Knative
< / a >
2019-01-02 16:44:20 +08:00
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "6.6" data-path = "edge-computing.html" >
< a href = "edge-computing.html" >
< b > 6.6.< / b >
边缘计算
< / a >
< / li >
< li class = "chapter " data-level = "6.7" data-path = "ai.html" >
< a href = "ai.html" >
< b > 6.7.< / b >
人工智能
< / a >
< / li >
< li class = "header" > 开发指南< / li >
< li class = "chapter " data-level = "7.1" data-path = "../develop/" >
< a href = "../develop/" >
< b > 7.1.< / b >
开发指南概览
< / a >
< / li >
< li class = "chapter " data-level = "7.2" data-path = "../develop/sigs-and-working-group.html" >
< a href = "../develop/sigs-and-working-group.html" >
< b > 7.2.< / b >
SIG和工作组
< / a >
< / li >
< li class = "chapter " data-level = "7.3" data-path = "../develop/developing-environment.html" >
< a href = "../develop/developing-environment.html" >
< b > 7.3.< / b >
开发环境搭建
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "7.3.1" data-path = "../develop/using-vagrant-and-virtualbox-for-development.html" >
< a href = "../develop/using-vagrant-and-virtualbox-for-development.html" >
< b > 7.3.1.< / b >
本地分布式开发环境搭建（ ）
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "7.4" data-path = "../develop/testing.html" >
< a href = "../develop/testing.html" >
< b > 7.4.< / b >
单元测试和集成测试
< / a >
< / li >
< li class = "chapter " data-level = "7.5" data-path = "../develop/client-go-sample.html" >
< a href = "../develop/client-go-sample.html" >
< b > 7.5.< / b >
client-go示例
< / a >
< / li >
< li class = "chapter " data-level = "7.6" data-path = "../develop/operator.html" >
< a href = "../develop/operator.html" >
< b > 7.6.< / b >
Operator
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "7.6.1" data-path = "../develop/operator-sdk.html" >
< a href = "../develop/operator-sdk.html" >
< b > 7.6.1.< / b >
operator-sdk
< / a >
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "7.7" data-path = "../develop/kubebuilder.html" >
< a href = "../develop/kubebuilder.html" >
< b > 7.7.< / b >
kubebuilder
< / a >
< / li >
< li class = "chapter " data-level = "7.8" data-path = "../develop/advance-developer.html" >
< a href = "../develop/advance-developer.html" >
< b > 7.8.< / b >
高级开发指南
< / a >
< / li >
< li class = "chapter " data-level = "7.9" data-path = "../develop/contribute.html" >
< a href = "../develop/contribute.html" >
< b > 7.9.< / b >
社区贡献
< / a >
< / li >
< li class = "chapter " data-level = "7.10" data-path = "../develop/minikube.html" >
< a href = "../develop/minikube.html" >
< b > 7.10.< / b >
Minikube
< / a >
< / li >
2019-04-15 19:38:27 +08:00
< li class = "header" > CNCF（ ） < / li >
2019-04-12 00:03:10 +08:00
< li class = "chapter " data-level = "8.1" data-path = "../cloud-native/cncf.html" >
< a href = "../cloud-native/cncf.html" >
< b > 8.1.< / b >
CNCF - 云原生计算基金会简介
< / a >
< / li >
< li class = "chapter " data-level = "8.2" data-path = "../cloud-native/cncf-charter.html" >
< a href = "../cloud-native/cncf-charter.html" >
< b > 8.2.< / b >
CNCF章程
< / a >
< / li >
< li class = "chapter " data-level = "8.3" data-path = "../cloud-native/cncf-sig.html" >
< a href = "../cloud-native/cncf-sig.html" >
< b > 8.3.< / b >
CNCF特别兴趣小组（ ）
< / a >
< / li >
2019-04-15 19:38:27 +08:00
< li class = "chapter " data-level = "8.4" data-path = "../cloud-native/cncf-sandbox-criteria.html" >
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< a href = "../cloud-native/cncf-sandbox-criteria.html" >
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< b > 8.4.< / b >
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开源项目加入CNCF Sandbox的要求
< / a >
< / li >
< li class = "chapter " data-level = "8.5" data-path = "../cloud-native/cncf-project-governing.html" >
< a href = "../cloud-native/cncf-project-governing.html" >
< b > 8.5.< / b >
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CNCF中的项目治理
< / a >
2019-09-21 20:08:21 +08:00
< / li >
< li class = "chapter " data-level = "8.6" data-path = "../cloud-native/cncf-ambassador.html" >
< a href = "../cloud-native/cncf-ambassador.html" >
< b > 8.6.< / b >
CNCF Ambassador
< / a >
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< / li >
2019-01-02 16:44:20 +08:00
< li class = "header" > 附录< / li >
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< li class = "chapter " data-level = "9.1" data-path = "../appendix/" >
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< a href = "../appendix/" >
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< b > 9.1.< / b >
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附录说明
< / a >
< / li >
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< li class = "chapter " data-level = "9.2" data-path = "../appendix/debug-kubernetes-services.html" >
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< a href = "../appendix/debug-kubernetes-services.html" >
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< b > 9.2.< / b >
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Kubernetes中的应用故障排查
< / a >
< / li >
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< li class = "chapter " data-level = "9.3" data-path = "../appendix/material-share.html" >
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< a href = "../appendix/material-share.html" >
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< b > 9.3.< / b >
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Kubernetes相关资讯和情报链接
< / a >
< / li >
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< li class = "chapter " data-level = "9.4" data-path = "../appendix/docker-best-practice.html" >
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< a href = "../appendix/docker-best-practice.html" >
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< b > 9.4.< / b >
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Docker最佳实践
< / a >
< / li >
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< li class = "chapter " data-level = "9.5" data-path = "../appendix/tricks.html" >
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< a href = "../appendix/tricks.html" >
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< b > 9.5.< / b >
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使用技巧
< / a >
< / li >
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< li class = "chapter " data-level = "9.6" data-path = "../appendix/issues.html" >
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< a href = "../appendix/issues.html" >
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< b > 9.6.< / b >
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问题记录
< / a >
< / li >
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< li class = "chapter " data-level = "9.7" data-path = "../appendix/kubernetes-changelog.html" >
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< a href = "../appendix/kubernetes-changelog.html" >
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< b > 9.7.< / b >
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Kubernetes版本更新日志
< / a >
< ul class = "articles" >
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< li class = "chapter " data-level = "9.7.1" data-path = "../appendix/kubernetes-1.7-changelog.html" >
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< a href = "../appendix/kubernetes-1.7-changelog.html" >
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< b > 9.7.1.< / b >
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Kubernetes1.7更新日志
< / a >
< / li >
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< li class = "chapter " data-level = "9.7.2" data-path = "../appendix/kubernetes-1.8-changelog.html" >
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< a href = "../appendix/kubernetes-1.8-changelog.html" >
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< b > 9.7.2.< / b >
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Kubernetes1.8更新日志
< / a >
< / li >
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< li class = "chapter " data-level = "9.7.3" data-path = "../appendix/kubernetes-1.9-changelog.html" >
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< a href = "../appendix/kubernetes-1.9-changelog.html" >
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< b > 9.7.3.< / b >
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Kubernetes1.9更新日志
< / a >
< / li >
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< li class = "chapter " data-level = "9.7.4" data-path = "../appendix/kubernetes-1.10-changelog.html" >
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< a href = "../appendix/kubernetes-1.10-changelog.html" >
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< b > 9.7.4.< / b >
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Kubernetes1.10更新日志
< / a >
< / li >
2019-04-12 00:03:10 +08:00
< li class = "chapter " data-level = "9.7.5" data-path = "../appendix/kubernetes-1.11-changelog.html" >
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< a href = "../appendix/kubernetes-1.11-changelog.html" >
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< b > 9.7.5.< / b >
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Kubernetes1.11更新日志
< / a >
< / li >
2019-04-12 00:03:10 +08:00
< li class = "chapter " data-level = "9.7.6" data-path = "../appendix/kubernetes-1.12-changelog.html" >
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< a href = "../appendix/kubernetes-1.12-changelog.html" >
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< b > 9.7.6.< / b >
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Kubernetes1.12更新日志
< / a >
< / li >
2019-04-12 00:03:10 +08:00
< li class = "chapter " data-level = "9.7.7" data-path = "../appendix/kubernetes-1.13-changelog.html" >
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< a href = "../appendix/kubernetes-1.13-changelog.html" >
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< b > 9.7.7.< / b >
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Kubernetes1.13更新日志
< / a >
2019-03-26 17:32:25 +08:00
< / li >
2019-04-12 00:03:10 +08:00
< li class = "chapter " data-level = "9.7.8" data-path = "../appendix/kubernetes-1.14-changelog.html" >
2019-03-26 17:32:25 +08:00
< a href = "../appendix/kubernetes-1.14-changelog.html" >
2019-04-12 00:03:10 +08:00
< b > 9.7.8.< / b >
2019-03-26 17:32:25 +08:00
Kubernetes1.14更新日志
< / a >
2019-06-29 09:52:56 +08:00
< / li >
< li class = "chapter " data-level = "9.7.9" data-path = "../appendix/kubernetes-1.15-changelog.html" >
< a href = "../appendix/kubernetes-1.15-changelog.html" >
< b > 9.7.9.< / b >
Kubernetes1.15更新日志
< / a >
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< / li >
< / ul >
< / li >
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< li class = "chapter " data-level = "9.8" data-path = "../appendix/summary-and-outlook.html" >
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< a href = "../appendix/summary-and-outlook.html" >
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< b > 9.8.< / b >
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Kubernetes及云原生年度总结及展望
< / a >
< ul class = "articles" >
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< li class = "chapter " data-level = "9.8.1" data-path = "../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html" >
2019-01-02 16:44:20 +08:00
< a href = "../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html" >
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< b > 9.8.1.< / b >
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Kubernetes与云原生2017年年终总结及2018年展望
< / a >
2019-01-29 14:09:46 +08:00
< / li >
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< li class = "chapter " data-level = "9.8.2" data-path = "../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html" >
2019-01-29 14:09:46 +08:00
< a href = "../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html" >
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< b > 9.8.2.< / b >
2019-01-29 14:09:46 +08:00
2020-02-05 22:44:52 +08:00
Kubernetes与云原生2018年年终总结及2019年展望
2019-01-29 14:09:46 +08:00
< / a >
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< / li >
< / ul >
< / li >
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< li class = "chapter " data-level = "9.9" data-path = "../appendix/cncf-annual-report.html" >
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2019-02-13 20:15:35 +08:00
< a href = "../appendix/cncf-annual-report.html" >
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< b > 9.9.< / b >
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CNCF年度报告解读
< / a >
< ul class = "articles" >
2019-04-12 00:03:10 +08:00
< li class = "chapter " data-level = "9.9.1" data-path = "../appendix/cncf-annual-report-2018.html" >
2019-02-13 20:15:35 +08:00
< a href = "../appendix/cncf-annual-report-2018.html" >
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< b > 9.9.1.< / b >
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CNCF 2018年年度报告解读
< / a >
< / li >
< / ul >
< / li >
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< li class = "chapter " data-level = "9.10" data-path = "../appendix/about-kcsp.html" >
2019-02-13 20:15:35 +08:00
< a href = "../appendix/about-kcsp.html" >
2019-04-12 00:03:10 +08:00
< b > 9.10.< / b >
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2019-01-02 16:44:20 +08:00
Kubernetes认证服务提供商（ ）
< / a >
< / li >
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< li class = "chapter " data-level = "9.11" data-path = "../appendix/about-cka-candidate.html" >
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< a href = "../appendix/about-cka-candidate.html" >
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< b > 9.11.< / b >
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认证Kubernetes管理员（ ）
< / a >
< / li >
< li class = "divider" > < / li >
< li >
< a href = "https://www.gitbook.com" target = "blank" class = "gitbook-link" >
本书使用 GitBook 发布
< / a >
< / li >
< / ul >
< / nav >
< / div >
< div class = "book-body" >
< div class = "body-inner" >
< div class = "book-header" role = "navigation" >
<!-- Title -->
< h1 >
< i class = "fa fa-circle-o-notch fa-spin" > < / i >
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< a href = ".." > Envoy Sidecar代理的路由转发< / a >
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< / h1 >
< / div >
< div class = "page-wrapper" tabindex = "-1" role = "main" >
< div class = "page-inner" >
< div class = "search-plus" id = "book-search-results" >
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< section class = "normal markdown-section" >
< html > < head > < / head > < body > < h1 id = "深入理解istio-service-mesh中的envoy-sidecar代理的路由转发" > 深 入 理 解 Istio Service Mesh中 的 Envoy Sidecar代 理 的 路 由 转 发 < / h1 >
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< p > < strong > 注 意 ： 本 文 基 于 Istio 1.0。 < / strong > < / p >
< p > 本 文 以 Istio 官 方 的 bookinfo 示 例 来 讲 解 在 进 入 Pod 的 流 量 被 iptables 转 交 给 Envoy sidecar 后 ， Envoy 是 如 何 做 路 由 转 发 的 ， 详 述 了 Inbound 和 Outbound 处 理 过 程 。 关 于 流 量 拦 截 的 详 细 分 析 请 参 考 < a href = "understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html" > 理 解 Istio Service Mesh 中 Envoy 代 理 Sidecar 注 入 及 流 量 劫 持 < / a > 。 < / p >
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< p > 下 面 是 Istio 官 方 提 供 的 bookinfo 的 请 求 流 程 图 ， 假 设 bookinfo 应 用 的 所 有 服 务 中 没 有 配 置 DestinationRule。 < / p >
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< figure id = "fig6.3.2.6.1" > < a href = "../images/006tNbRwgy1fvlwjd3302j31bo0ro0x5.jpg" data-lightbox = "c749abbf-399d-48c8-bd37-5a15f1f8b32e" data-title = "Bookinfo 示例" > < img src = "../images/006tNbRwgy1fvlwjd3302j31bo0ro0x5.jpg" alt = "Bookinfo 示例" > < / a > < figcaption > 图 片 - Bookinfo 示 例 < / figcaption > < / figure >
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< p > 下 面 是 Istio 自 身 组 件 与 Bookinfo 示 例 的 连 接 关 系 图 ， 我 们 可 以 看 到 所 有 的 HTTP 连 接 都 在 9080 端 口 监 听 。 < / p >
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< figure id = "fig6.3.2.6.2" > < a href = "../images/006tNbRwly1fyitp0jsghj31o70u0x6p.jpg" data-lightbox = "e55f26b8-f963-447f-930c-ff3fe056ba63" data-title = "Bookinfo 示例与 Istio 组件连接关系图" > < img src = "../images/006tNbRwly1fyitp0jsghj31o70u0x6p.jpg" alt = "Bookinfo 示例与 Istio 组件连接关系图" > < / a > < figcaption > 图 片 - Bookinfo 示 例 与 Istio 组 件 连 接 关 系 图 < / figcaption > < / figure >
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< p > 可 以 在 < a href = "https://drive.google.com/open?id=19ed3_tkjf6RgGboxllMdt_Ytd5_cocib" target = "_blank" > Google Drive< / a > 上 下 载 原 图 。 < / p >
< h2 id = "sidecar-注入及流量劫持步骤概述" > Sidecar 注 入 及 流 量 劫 持 步 骤 概 述 < / h2 >
< p > 下 面 是 从 Sidecar 注 入 、 Pod 启 动 到 Sidecar proxy 拦 截 流 量 及 Envoy 处 理 路 由 的 步 骤 概 览 。 < / p >
< p > < strong > 1.< / strong > Kubernetes 通 过 Admission Controller 自 动 注 入 ， 或 者 用 户 使 用 < code > istioctl< / code > 命 令 手 动 注 入 sidecar 容 器 。 < / p >
< p > < strong > 2.< / strong > 应 用 YAML 配 置 部 署 应 用 ， 此 时 Kubernetes API server 接 收 到 的 服 务 创 建 配 置 文 件 中 已 经 包 含 了 Init 容 器 及 sidecar proxy。 < / p >
< p > < strong > 3.< / strong > 在 sidecar proxy 容 器 和 应 用 容 器 启 动 之 前 ， 首 先 运 行 Init 容 器 ， Init 容 器 用 于 设 置 iptables（ Istio 中 默 认 的 流 量 拦 截 方 式 ， 还 可 以 使 用 BPF、 IPVS 等 方 式 ） 将 进 入 pod 的 流 量 劫 持 到 Envoy sidecar proxy。 所 有 TCP 流 量 （ Envoy 目 前 只 支 持 TCP 流 量 ） 将 被 sidecar 劫 持 ， 其 他 协 议 的 流 量 将 按 原 来 的 目 的 地 请 求 。 < / p >
< p > < strong > 4.< / strong > 启 动 Pod 中 的 Envoy sidecar proxy 和 应 用 程 序 容 器 。 这 一 步 的 过 程 请 参 考 < a href = "https://zhaohuabing.com/post/2018-09-25-istio-traffic-management-impl-intro/#%E9%80%9A%E8%BF%87%E7%AE%A1%E7%90%86%E6%8E%A5%E5%8F%A3%E8%8E%B7%E5%8F%96%E5%AE%8C%E6%95%B4%E9%85%8D%E7%BD%AE" target = "_blank" > 通 过 管 理 接 口 获 取 完 整 配 置 < / a > 。 < / p >
< blockquote >
< p > < strong > Sidecar proxy 与 应 用 容 器 的 启 动 顺 序 问 题 < / strong > < / p >
< p > 启 动 sidecar proxy 和 应 用 容 器 ， 究 竟 哪 个 容 器 先 启 动 呢 ？ 正 常 情 况 是 Envoy Sidecar 和 应 用 程 序 容 器 全 部 启 动 完 成 后 再 开 始 接 收 流 量 请 求 。 但 是 我 们 无 法 预 料 哪 个 容 器 会 先 启 动 ， 那 么 容 器 启 动 顺 序 是 否 会 对 Envoy 劫 持 流 量 有 影 响 呢 ？ 答 案 是 肯 定 的 ， 不 过 分 为 以 下 两 种 情 况 。 < / p >
< p > < strong > 情 况 1： 应 用 容 器 先 启 动 ， 而 sidecar proxy 仍 未 就 绪 < / strong > < / p >
< p > 这 种 情 况 下 ， 流 量 被 iptables 转 移 到 15001 端 口 ， 而 Pod 中 没 有 监 听 该 端 口 ， TCP 链 接 就 无 法 建 立 ， 请 求 失 败 。 < / p >
< p > < strong > 情 况 2： Sidecar 先 启 动 ， 请 求 到 达 而 应 用 程 序 仍 未 就 绪 < / strong > < / p >
< p > 这 种 情 况 下 请 求 也 肯 定 会 失 败 ， 至 于 是 在 哪 一 步 开 始 失 败 的 ， 留 给 读 者 来 思 考 。 < / p >
< / blockquote >
< p > < strong > 问 题 < / strong > ： 如 果 为 sidecar proxy 和 应 用 程 序 容 器 添 加 < a href = "https://jimmysong.io/kubernetes-handbook/guide/configure-liveness-readiness-probes.html" target = "_blank" > 就 绪 和 存 活 探 针 < / a > 是 否 可 以 解 决 该 问 题 呢 ？ < / p >
< p > < strong > 5.< / strong > 不 论 是 进 入 还 是 从 Pod 发 出 的 TCP 请 求 都 会 被 iptables 劫 持 ， inbound 流 量 被 劫 持 后 经 Inbound Handler 处 理 后 转 交 给 应 用 程 序 容 器 处 理 ， outbound 流 量 被 iptables 劫 持 后 转 交 给 Outbound Handler 处 理 ， 并 确 定 转 发 的 upstream 和 Endpoint。 < / p >
< p > < strong > 6.< / strong > Sidecar proxy 请 求 Pilot 使 用 xDS 协 议 同 步 Envoy 配 置 ， 其 中 包 括 LDS、 EDS、 CDS 等 ， 不 过 为 了 保 证 更 新 的 顺 序 ， Envoy 会 直 接 使 用 ADS 向 Pilot 请 求 配 置 更 新 。 < / p >
< h2 id = "envoy-如何处理路由转发" > Envoy 如 何 处 理 路 由 转 发 < / h2 >
< p > 下 图 展 示 的 是 < code > productpage< / code > 服 务 请 求 访 问 < code > http://reviews.default.svc.cluster.local:9080/< / code > ， 当 流 量 进 入 < code > reviews< / code > 服 务 内 部 时 ， < code > reviews< / code > 服 务 内 部 的 Envoy Sidecar 是 如 何 做 流 量 拦 截 和 路 由 转 发 的 。 可 以 在 < a href = "https://drive.google.com/file/d/1n-h235tm8DnL_RqxTTA95rgGtrLkBsyr/view?usp=sharing" target = "_blank" > Google Drive< / a > 上 下 载 原 图 。 < / p >
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< figure id = "fig6.3.2.6.3" > < a href = "../images/006tNbRwly1fyl39icd27j31c70u04gc.jpg" data-lightbox = "e3f7af19-727b-4acb-89db-5f6165483011" data-title = "Envoy sidecar 流量劫持与路由转发示意图" > < img src = "../images/006tNbRwly1fyl39icd27j31c70u04gc.jpg" alt = "Envoy sidecar 流量劫持与路由转发示意图" > < / a > < figcaption > 图 片 - Envoy sidecar 流 量 劫 持 与 路 由 转 发 示 意 图 < / figcaption > < / figure >
2019-01-02 16:44:20 +08:00
< p > 第 一 步 开 始 时 ， < code > productpage< / code > Pod 中 的 Envoy sidecar 已 经 通 过 EDS 选 择 出 了 要 请 求 的 < code > reviews< / code > 服 务 的 一 个 Pod， 知 晓 了 其 IP 地 址 ， 发 送 TCP 连 接 请 求 。 < / p >
2019-07-31 20:23:23 +08:00
< p > Istio 官 网 中 的 Envoy 配 置 深 度 解 析 中 是 以 发 起 HTTP 请 求 的 一 方 来 详 述 Envoy 做 流 量 转 发 的 过 程 ， 而 本 文 中 考 虑 的 是 接 受 downstream 的 流 量 的 一 方 ， 它 既 要 接 收 downstream 发 来 的 请 求 ， 自 己 还 需 要 请 求 其 他 服 务 ， 例 如 < code > reviews< / code > 服 务 中 的 Pod 还 需 要 请 求 < code > ratings< / code > 服 务 。 < / p >
2019-01-02 16:44:20 +08:00
< p > < code > reviews< / code > 服 务 有 三 个 版 本 ， 每 个 版 本 有 一 个 实 例 ， 三 个 版 本 中 的 sidecar 工 作 步 骤 类 似 ， 下 文 只 以 < code > reviews-v1-cb8655c75-b97zc< / code > 这 一 个 Pod 中 的 Sidecar 流 量 转 发 步 骤 来 说 明 。 < / p >
< h2 id = "理解-inbound-handler" > 理 解 Inbound Handler< / h2 >
< p > Inbound handler 的 作 用 是 将 iptables 拦 截 到 的 downstream 的 流 量 转 交 给 localhost， 与 Pod 内 的 应 用 程 序 容 器 建 立 连 接 。 < / p >
< p > 查 看 下 < code > reviews-v1-cb8655c75-b97zc< / code > pod 中 的 Listener。 < / p >
< p > 运 行 < code > istioctl pc listener reviews-v1-cb8655c75-b97zc< / code > 查 看 该 Pod 中 的 具 有 哪 些 Listener。 < / p >
< pre class = "language-" > < code class = "lang-ini" > ADDRESS PORT TYPE
172.33.3.3 9080 HTTP < --- 接 收 所 有 Inbound HTTP 流 量 ， 该 地 址 即 为 当 前 Pod 的 IP 地 址
10.254.0.1 443 TCP < --+
10.254.4.253 80 TCP |
10.254.4.253 8080 TCP |
10.254.109.182 443 TCP |
10.254.22.50 15011 TCP |
10.254.22.50 853 TCP |
10.254.79.114 443 TCP |
10.254.143.179 15011 TCP |
10.254.0.2 53 TCP | 接 收 与 0.0.0.0_15001 监 听 器 配 对 的 Outbound 非 HTTP 流 量
10.254.22.50 443 TCP |
10.254.16.64 42422 TCP |
10.254.127.202 16686 TCP |
10.254.22.50 31400 TCP |
10.254.22.50 8060 TCP |
10.254.169.13 14267 TCP |
10.254.169.13 14268 TCP |
10.254.32.134 8443 TCP |
10.254.118.196 443 TCP < --+
0.0.0.0 15004 HTTP < --+
0.0.0.0 8080 HTTP |
0.0.0.0 15010 HTTP |
0.0.0.0 8088 HTTP |
0.0.0.0 15031 HTTP |
0.0.0.0 9090 HTTP |
0.0.0.0 9411 HTTP | 接 收 与 0.0.0.0_15001 配 对 的 Outbound HTTP 流 量
0.0.0.0 80 HTTP |
0.0.0.0 15030 HTTP |
0.0.0.0 9080 HTTP |
0.0.0.0 9093 HTTP |
0.0.0.0 3000 HTTP |
0.0.0.0 8060 HTTP |
0.0.0.0 9091 HTTP < --+
0.0.0.0 15001 TCP < --- 接 收 所 有 经 iptables 拦 截 的 Inbound 和 Outbound 流 量 并 转 交 给 虚 拟 监 听 器 处 理
< / code > < / pre >
< p > 当 来 自 < code > productpage< / code > 的 流 量 抵 达 < code > reviews< / code > Pod 的 时 候 已 经 ， downstream 必 须 明 确 知 道 Pod 的 IP 地 址 为 < code > 172.33.3.3< / code > 所 以 才 会 访 问 该 Pod， 所 以 该 请 求 是 < code > 172.33.3.3:9080< / code > 。 < / p >
< p > < strong > < code > virtual< / code > Listener< / strong > < / p >
< p > 从 该 Pod 的 Listener 列 表 中 可 以 看 到 ， 0.0.0.0:15001/TCP 的 Listener（ 其 实 际 名 字 是 < code > virtual< / code > ） 监 听 所 有 的 Inbound 流 量 ， 下 面 是 该 Listener 的 详 细 配 置 。 < / p >
< pre class = "language-" > < code class = "lang-json" > < span class = "token punctuation" > {< / span >
< span class = "token property" > " name" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " virtual" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " address" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " socketAddress" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " address" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 0.0.0.0" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " portValue" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 15001< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " filterChains" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " filters" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " name" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " envoy.tcp_proxy" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " config" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " cluster" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " BlackHoleCluster" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " stat_prefix" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " BlackHoleCluster" < / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " useOriginalDst" < / span > < span class = "token operator" > :< / span > < span class = "token boolean" > true< / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre >
< p > < strong > UseOriginalDst< / strong > ： 从 配 置 中 可 以 看 出 < code > useOriginalDst< / code > 配 置 指 定 为 < code > true< / code > ， 这 是 一 个 布 尔 值 ， 缺 省 为 false， 使 用 iptables 重 定 向 连 接 时 ， proxy 接 收 的 端 口 可 能 与 < a href = "http://www.servicemesher.com/envoy/configuration/listener_filters/original_dst_filter.html" target = "_blank" > 原 始 目 的 地 址 < / a > 的 端 口 不 一 样 ， 如 此 处 proxy 接 收 的 端 口 为 15001， 而 原 始 目 的 地 端 口 为 9080。 当 此 标 志 设 置 为 true 时 ， Listener 将 连 接 重 定 向 到 与 原 始 目 的 地 址 关 联 的 Listener， 此 处 为 < code > 172.33.3.3:9080< / code > 。 如 果 没 有 与 原 始 目 的 地 址 关 联 的 Listener， 则 连 接 由 接 收 它 的 Listener 处 理 ， 即 该 < code > virtual< / code > Listener， 经 过 < code > envoy.tcp_proxy< / code > 过 滤 器 处 理 转 发 给 < code > BlackHoleCluster< / code > ， 这 个 Cluster 的 作 用 正 如 它 的 名 字 ， 当 Envoy 找 不 到 匹 配 的 虚 拟 监 听 器 时 ， 就 会 将 请 求 发 送 给 它 ， 并 返 回 404。 这 个 将 于 下 文 提 到 的 Listener 中 设 置 < code > bindToPort< / code > 相 呼 应 。 < / p >
< p > < strong > 注 意 < / strong > ： 该 参 数 将 被 废 弃 ， 请 使 用 < a href = "http://www.servicemesher.com/envoy/configuration/listener_filters/original_dst_filter.html" target = "_blank" > 原 始 目 的 地 址 < / a > 的 Listener filter 替 代 。 该 参 数 的 主 要 用 途 是 ： Envoy 通 过 监 听 15001 端 口 将 iptables 拦 截 的 流 量 经 由 其 他 Listener 处 理 而 不 是 直 接 转 发 出 去 ， 详 情 见 < a href = "https://zhaohuabing.com/post/2018-09-25-istio-traffic-management-impl-intro/#virtual-listener" target = "_blank" > Virtual Listener< / a > 。 < / p >
< p > < strong > Listener 172.33.3.3_9080< / strong > < / p >
< p > 上 文 说 到 进 入 Inbound handler 的 流 量 被 < code > virtual< / code > Listener 转 移 到 < code > 172.33.3.3_9080< / code > Listener， 我 们 在 查 看 下 该 Listener 配 置 。 < / p >
< p > 运 行 < code > istioctl pc listener reviews-v1-cb8655c75-b97zc --address 172.33.3.3 --port 9080 -o json< / code > 查 看 。 < / p >
< pre class = "language-" > < code class = "lang-json" > < span class = "token punctuation" > [< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " name" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 172.33.3.3_9080" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " address" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " socketAddress" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " address" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 172.33.3.3" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " portValue" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 9080< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " filterChains" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " filterChainMatch" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " transportProtocol" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " raw_buffer" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " filters" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " name" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " envoy.http_connection_manager" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " config" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
...
< span class = "token property" > " route_config" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " name" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " inbound|9080||reviews.default.svc.cluster.local" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " validate_clusters" < / span > < span class = "token operator" > :< / span > < span class = "token boolean" > false< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " virtual_hosts" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " domains" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token string" > " *" < / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " name" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " inbound|http|9080" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " routes" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
...
< span class = "token property" > " route" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " cluster" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " inbound|9080||reviews.default.svc.cluster.local" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " max_grpc_timeout" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 0.000s" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " timeout" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 0.000s" < / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " use_remote_address" < / span > < span class = "token operator" > :< / span > < span class = "token boolean" > false< / span > < span class = "token punctuation" > ,< / span >
...
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span > ，
< span class = "token property" > " deprecatedV1" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " bindToPort" < / span > < span class = "token operator" > :< / span > < span class = "token boolean" > false< / span >
< span class = "token punctuation" > }< / span >
...
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " filterChainMatch" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " transportProtocol" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " tls" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " tlsContext" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span > ...
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " filters" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span > ...
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
...
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ]< / span >
< / code > < / pre >
< p > < strong > bindToPort< / strong > ： 注 意 其 中 有 一 个 < a href = "https://www.envoyproxy.io/docs/envoy/v1.6.0/api-v1/listeners/listeners" target = "_blank" > < code > bindToPort< / code > < / a > 的 配 置 ， 其 值 为 < code > false< / code > ， 该 配 置 的 缺 省 值 为 < code > true< / code > ， 表 示 将 Listener 绑 定 到 端 口 上 ， 此 处 设 置 为 < code > false< / code > 则 该 Listener 只 能 处 理 其 他 Listener 转 移 过 来 的 流 量 ， 即 上 文 所 说 的 < code > virtual< / code > Listener， 我 们 看 其 中 的 filterChains.filters 中 的 < code > envoy.http_connection_manager< / code > 配 置 部 分 ： < / p >
< pre class = "language-" > < code class = "lang-json" > < span class = "token property" > " route_config" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " name" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " inbound|9080||reviews.default.svc.cluster.local" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " validate_clusters" < / span > < span class = "token operator" > :< / span > < span class = "token boolean" > false< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " virtual_hosts" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " domains" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token string" > " *" < / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " name" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " inbound|http|9080" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " routes" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
...
< span class = "token property" > " route" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " cluster" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " inbound|9080||reviews.default.svc.cluster.local" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " max_grpc_timeout" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 0.000s" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " timeout" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 0.000s" < / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre >
< p > 该 配 置 表 示 流 量 将 转 交 给 Cluster < code > inbound|9080||reviews.default.svc.cluster.local< / code > 处 理 。 < / p >
< p > < strong > Cluster < code > inbound|9080||reviews.default.svc.cluster.local< / code > < / strong > < / p >
< p > 运 行 < code > istioctl pc cluster reviews-v1-cb8655c75-b97zc --fqdn reviews.default.svc.cluster.local --direction inbound -o json< / code > 查 看 该 Cluster 的 配 置 如 下 。 < / p >
< pre class = "language-" > < code class = "lang-json" > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " name" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " inbound|9080||reviews.default.svc.cluster.local" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " connectTimeout" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 1.000s" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " hosts" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " socketAddress" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " address" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 127.0.0.1" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " portValue" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 9080< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " circuitBreakers" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " thresholds" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span > < span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< / code > < / pre >
< p > 可 以 看 到 该 Cluster 的 Endpoint 直 接 对 应 的 就 是 localhost， 再 经 过 iptables 转 发 流 量 就 被 应 用 程 序 容 器 消 费 了 。 < / p >
< h2 id = "理解-outbound-handler" > 理 解 Outbound Handler< / h2 >
< p > 因 为 < code > reviews< / code > 会 向 < code > ratings< / code > 服 务 发 送 HTTP 请 求 ， 请 求 的 地 址 是 ： < code > http://ratings.default.svc.cluster.local:9080/< / code > ， Outbound handler 的 作 用 是 将 iptables 拦 截 到 的 本 地 应 用 程 序 发 出 的 流 量 ， 经 由 Envoy 判 断 如 何 路 由 到 upstream。 < / p >
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< p > 应 用 程 序 容 器 发 出 的 请 求 为 Outbound 流 量 ， 被 iptables 劫 持 后 转 移 给 Envoy Outbound handler 处 理 ， 然 后 经 过 < code > virtual< / code > Listener、 < code > 0.0.0.0_9080< / code > Listener， 然 后 通 过 Route 9080 找 到 upstream 的 cluster， 进 而 通 过 EDS 找 到 Endpoint 执 行 路 由 动 作 。 < / p >
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< p > < strong > Route 9080< / strong > < / p >
< p > < code > reviews< / code > 会 请 求 < code > ratings< / code > 服 务 ， 运 行 < code > istioctl proxy-config routes reviews-v1-cb8655c75-b97zc --name 9080 -o json< / code > 查 看 route 配 置 ， 因 为 Envoy 会 根 据 HTTP header 中 的 domains 来 匹 配 VirtualHost， 所 以 下 面 只 列 举 了 < code > ratings.default.svc.cluster.local:9080< / code > 这 一 个 VirtualHost。 < / p >
< pre class = "language-" > < code class = "lang-json" > < span class = "token punctuation" > [< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " name" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " ratings.default.svc.cluster.local:9080" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " domains" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token string" > " ratings.default.svc.cluster.local" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " ratings.default.svc.cluster.local:9080" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " ratings" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " ratings:9080" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " ratings.default.svc.cluster" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " ratings.default.svc.cluster:9080" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " ratings.default.svc" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " ratings.default.svc:9080" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " ratings.default" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " ratings.default:9080" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " 10.254.234.130" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token string" > " 10.254.234.130:9080" < / span >
< span class = "token punctuation" > ]< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " routes" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " match" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " prefix" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " /" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " route" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " cluster" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " outbound|9080||ratings.default.svc.cluster.local" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " timeout" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 0.000s" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " maxGrpcTimeout" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 0.000s" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " decorator" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " operation" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " ratings.default.svc.cluster.local:9080/*" < / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " perFilterConfig" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span > ...
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
..< span class = "token punctuation" > ]< / span >
< / code > < / pre >
< p > 从 该 Virtual Host 配 置 中 可 以 看 到 将 流 量 路 由 到 Cluster < code > outbound|9080||ratings.default.svc.cluster.local< / code > 。 < / p >
< p > < strong > Endpoint < code > outbound|9080||ratings.default.svc.cluster.local< / code > < / strong > < / p >
< p > Istio 1.1 以 前 版 本 不 支 持 使 用 < code > istioctl< / code > 命 令 直 接 查 询 Cluster 的 Endpoint， 可 以 使 用 查 询 Pilot 的 debug 端 点 的 方 式 折 中 。 < / p >
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< pre class = "language-" > < code class = "lang-bash" > kubectl < span class = "token builtin class-name" > exec< / span > reviews-v1-cb8655c75-b97zc -c istio-proxy < span class = "token function" > curl< / span > http://istio-pilot.istio-system.svc.cluster.local:9093/debug/edsz < span class = "token operator" > > < / span > endpoints.json
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< / code > < / pre >
< p > < code > endpoints.json< / code > 文 件 中 包 含 了 所 有 Cluster 的 Endpoint 信 息 ， 我 们 只 选 取 其 中 的 < code > outbound|9080||ratings.default.svc.cluster.local< / code > Cluster 的 结 果 如 下 。 < / p >
< pre class = "language-" > < code class = "lang-json" > < span class = "token punctuation" > {< / span >
< span class = "token property" > " clusterName" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " outbound|9080||ratings.default.svc.cluster.local" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " endpoints" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " locality" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " lbEndpoints" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > [< / span >
< span class = "token punctuation" > {< / span >
< span class = "token property" > " endpoint" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " address" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " socketAddress" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " address" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " 172.33.100.2" < / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " portValue" < / span > < span class = "token operator" > :< / span > < span class = "token number" > 9080< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span > < span class = "token punctuation" > ,< / span >
< span class = "token property" > " metadata" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " filterMetadata" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " istio" < / span > < span class = "token operator" > :< / span > < span class = "token punctuation" > {< / span >
< span class = "token property" > " uid" < / span > < span class = "token operator" > :< / span > < span class = "token string" > " kubernetes://ratings-v1-8558d4458d-ns6lk.default" < / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span >
< span class = "token punctuation" > ]< / span >
< span class = "token punctuation" > }< / span >
< / code > < / pre >
< p > Endpoint 可 以 是 一 个 或 多 个 ， Envoy 将 根 据 一 定 规 则 选 择 适 当 的 Endpoint 来 路 由 。 < / p >
< p > < strong > 注 < / strong > ： Istio 1.1 将 支 持 < code > istioctl pc endpoint< / code > 命 令 来 查 询 Endpoint。 < / p >
< h2 id = "参考" > 参 考 < / h2 >
< ul >
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< li > < a href = "understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html" > 理 解 Istio Service Mesh 中 Envoy 代 理 Sidecar 注 入 及 流 量 劫 持 - jimmysong.io< / a > < / li >
2019-01-02 16:44:20 +08:00
< li > < a href = "https://zhaohuabing.com/post/2018-09-25-istio-traffic-management-impl-intro/" target = "_blank" > Istio流 量 管 理 实 现 机 制 深 度 解 析 - zhaohuabing.com< / a > < / li >
< / ul >
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