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< a href = "https://jimmysong.io" target = "_blank" class = "custom-link" > Jimmy Song< / a >
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< li class = "divider" > < / li >
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< li class = "header" > 前言< / li >
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< b > 1.1.< / b >
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序言
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< / a >
< / li >
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< li class = "header" > 云原生< / li >
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< li class = "chapter " data-level = "2.1" 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 > 2.1.< / b >
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Play with Kubernetes
< / a >
< / li >
< li class = "chapter " data-level = "2.2" data-path = "../cloud-native/kubernetes-and-cloud-native-app-overview.html" >
< a href = "../cloud-native/kubernetes-and-cloud-native-app-overview.html" >
< b > 2.2.< / b >
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Kubernetes与云原生应用概览
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< / a >
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< / li >
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< li class = "chapter " data-level = "2.3" 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 > 2.3.< / b >
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云原生应用之路——从Kubernetes到Cloud Native
< / a >
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< / li >
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< li class = "header" > 概念与原理< / li >
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< a href = "./" >
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< b > 3.1.< / b >
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Kubernetes架构
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< / a >
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< a href = "concepts.html" >
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< b > 3.1.1.< / b >
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设计理念
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< b > 3.1.2.< / b >
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Etcd解析
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< a href = "open-interfaces.html" >
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< b > 3.1.3.< / b >
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开放接口
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< b > 3.1.3.1.< / b >
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CRI - Container Runtime Interface（ ）
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< b > 3.1.3.2.< / b >
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CNI - Container Network Interface（ ）
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< b > 3.1.3.3.< / b >
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CSI - Container Storage Interface（ ）
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< a href = "objects.html" >
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< b > 3.2.< / b >
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资源对象与基本概念解析
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< b > 3.2.1.< / b >
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基本概念
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< a href = "pod-overview.html" >
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< b > 3.2.1.1.< / b >
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Pod概览
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< a href = "pod.html" >
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< b > 3.2.1.2.< / b >
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Pod解析
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< a href = "init-containers.html" >
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< b > 3.2.1.3.< / b >
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Init容器
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< a href = "pod-security-policy.html" >
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< b > 3.2.1.4.< / b >
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Pod安全策略
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< b > 3.2.1.5.< / b >
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Pod的生命周期
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< b > 3.2.1.6.< / b >
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Pod Hook
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< b > 3.2.1.7.< / b >
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Pod Preset
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< b > 3.2.1.8.< / b >
Pod中断与PDB（ ）
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集群配置
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< b > 3.2.2.1.< / b >
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Node
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Namespace
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< b > 3.2.2.3.< / b >
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Label
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< a href = "annotation.html" >
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< b > 3.2.2.4.< / b >
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Annotation
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< b > 3.2.2.5.< / b >
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Taint和Toleration（ ）
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< a href = "garbage-collection.html" >
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< b > 3.2.2.6.< / b >
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垃圾收集
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< a href = "controllers.html" >
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< b > 3.2.3.< / b >
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控制器
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< a href = "deployment.html" >
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< b > 3.2.3.1.< / b >
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Deployment
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< a href = "statefulset.html" >
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< b > 3.2.3.2.< / b >
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StatefulSet
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< a href = "daemonset.html" >
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< b > 3.2.3.3.< / b >
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DaemonSet
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< a href = "replicaset.html" >
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< b > 3.2.3.4.< / b >
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ReplicationController和ReplicaSet
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< b > 3.2.3.5.< / b >
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Job
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< b > 3.2.3.6.< / b >
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CronJob
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< a href = "horizontal-pod-autoscaling.html" >
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< b > 3.2.3.7.< / b >
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Horizontal Pod Autoscaling
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< a href = "custom-metrics-hpa.html" >
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< b > 3.2.3.7.1.< / b >
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自定义指标HPA
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< / a >
< / li >
< / ul >
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< / li >
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< / ul >
< / li >
< li class = "chapter " data-level = "3.2.4" data-path = "service-discovery.html" >
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< a href = "service-discovery.html" >
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< b > 3.2.4.< / b >
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服务发现
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< / a >
2017-11-08 19:28:16 +08:00
< ul class = "articles" >
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< li class = "chapter " data-level = "3.2.4.1" data-path = "service.html" >
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< a href = "service.html" >
2017-11-08 19:28:16 +08:00
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< b > 3.2.4.1.< / b >
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Service
< / a >
< / li >
< li class = "chapter " data-level = "3.2.4.2" data-path = "ingress.html" >
< a href = "ingress.html" >
< b > 3.2.4.2.< / b >
Ingress
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.2.4.2.1" data-path = "traefik-ingress-controller.html" >
< a href = "traefik-ingress-controller.html" >
< b > 3.2.4.2.1.< / b >
Traefik Ingress Controller
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< / a >
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< / ul >
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< / ul >
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< / li >
< li class = "chapter " data-level = "3.2.5" data-path = "authentication-and-permission.html" >
< a href = "authentication-and-permission.html" >
2017-08-21 17:44:43 +08:00
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< b > 3.2.5.< / b >
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身份与权限控制
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< / a >
2017-11-27 19:36:05 +08:00
< ul class = "articles" >
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< li class = "chapter " data-level = "3.2.5.1" data-path = "serviceaccount.html" >
2017-11-27 19:36:05 +08:00
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< a href = "serviceaccount.html" >
2017-11-27 19:36:05 +08:00
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< b > 3.2.5.1.< / b >
2017-11-27 19:36:05 +08:00
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ServiceAccount
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< / a >
< / li >
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< li class = "chapter " data-level = "3.2.5.2" data-path = "rbac.html" >
< a href = "rbac.html" >
< b > 3.2.5.2.< / b >
RBAC——基于角色的访问控制
< / a >
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< / li >
2018-01-30 12:30:58 +08:00
< li class = "chapter " data-level = "3.2.5.3" data-path = "network-policy.html" >
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< a href = "network-policy.html" >
2017-08-21 17:44:43 +08:00
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< b > 3.2.5.3.< / b >
2017-11-15 21:18:59 +08:00
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NetworkPolicy
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< / a >
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< / li >
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< / ul >
2017-09-03 15:58:39 +08:00
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< / li >
< li class = "chapter " data-level = "3.2.6" data-path = "storage.html" >
< a href = "storage.html" >
2017-09-03 15:58:39 +08:00
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< b > 3.2.6.< / b >
2017-11-15 21:18:59 +08:00
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存储
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< / a >
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< ul class = "articles" >
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< li class = "chapter " data-level = "3.2.6.1" data-path = "secret.html" >
2017-09-03 15:58:39 +08:00
2018-01-30 12:30:58 +08:00
< a href = "secret.html" >
2017-09-03 15:58:39 +08:00
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< b > 3.2.6.1.< / b >
2017-11-15 21:18:59 +08:00
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Secret
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< / a >
2017-11-09 16:48:38 +08:00
< / li >
2018-01-30 12:30:58 +08:00
< li class = "chapter " data-level = "3.2.6.2" data-path = "configmap.html" >
2017-11-09 16:48:38 +08:00
2018-01-30 12:30:58 +08:00
< a href = "configmap.html" >
2017-11-09 16:48:38 +08:00
2018-01-30 12:30:58 +08:00
< b > 3.2.6.2.< / b >
2017-11-15 21:18:59 +08:00
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ConfigMap
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.2.6.2.1" data-path = "configmap-hot-update.html" >
< a href = "configmap-hot-update.html" >
< b > 3.2.6.2.1.< / b >
ConfigMap的热更新
2017-11-09 16:48:38 +08:00
< / a >
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< / li >
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< / ul >
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< / li >
< li class = "chapter " data-level = "3.2.6.3" data-path = "volume.html" >
< a href = "volume.html" >
2017-11-27 19:36:05 +08:00
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< b > 3.2.6.3.< / b >
2017-11-27 19:36:05 +08:00
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Volume
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< / a >
2017-11-28 11:57:57 +08:00
< / li >
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< li class = "chapter " data-level = "3.2.6.4" data-path = "persistent-volume.html" >
2017-11-28 11:57:57 +08:00
2018-01-30 12:30:58 +08:00
< a href = "persistent-volume.html" >
2017-11-28 11:57:57 +08:00
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< b > 3.2.6.4.< / b >
2017-11-28 11:57:57 +08:00
2018-01-30 12:30:58 +08:00
Persistent Volume（ ）
2017-11-28 11:57:57 +08:00
< / a >
2018-01-30 18:01:34 +08:00
< / li >
< li class = "chapter " data-level = "3.2.6.5" data-path = "storageclass.html" >
< a href = "storageclass.html" >
< b > 3.2.6.5.< / b >
Storage Class
< / a >
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< / li >
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< / ul >
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< / li >
< li class = "chapter " data-level = "3.2.7" data-path = "extension.html" >
< a href = "extension.html" >
2017-12-14 19:41:46 +08:00
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< b > 3.2.7.< / b >
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扩展
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "3.2.7.1" data-path = "custom-resource.html" >
< a href = "custom-resource.html" >
< b > 3.2.7.1.< / b >
使用自定义资源扩展API
2017-12-14 19:41:46 +08:00
< / a >
2018-01-10 17:30:31 +08:00
< / li >
2018-01-30 12:30:58 +08:00
< li class = "chapter " data-level = "3.2.7.2" data-path = "aggregated-api-server.html" >
2018-01-10 17:30:31 +08:00
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< a href = "aggregated-api-server.html" >
2018-01-10 17:30:31 +08:00
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< b > 3.2.7.2.< / b >
2018-01-10 17:30:31 +08:00
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Aggregated API Server
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< / a >
2018-01-19 17:02:44 +08:00
< / li >
2018-01-30 12:30:58 +08:00
< li class = "chapter " data-level = "3.2.7.3" data-path = "apiservice.html" >
2018-01-19 17:02:44 +08:00
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< a href = "apiservice.html" >
2018-01-19 17:02:44 +08:00
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< b > 3.2.7.3.< / b >
2018-01-19 17:02:44 +08:00
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APIService
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< / a >
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< / li >
< / ul >
< / li >
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< / ul >
< / li >
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< li class = "header" > 用户指南< / li >
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< li class = "chapter " data-level = "4.1" data-path = "../guide/" >
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< a href = "../guide/" >
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< b > 4.1.< / b >
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用户指南
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< / a >
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< / li >
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< li class = "chapter " data-level = "4.2" data-path = "../guide/resource-configuration.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/resource-configuration.html" >
2017-12-20 17:27:16 +08:00
< b > 4.2.< / b >
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资源对象配置
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< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.2.1" data-path = "../guide/configure-liveness-readiness-probes.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/configure-liveness-readiness-probes.html" >
2017-12-20 17:27:16 +08:00
< b > 4.2.1.< / b >
2017-11-15 21:18:59 +08:00
配置Pod的liveness和readiness探针
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< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.2.2" data-path = "../guide/configure-pod-service-account.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/configure-pod-service-account.html" >
2017-12-20 17:27:16 +08:00
< b > 4.2.2.< / b >
2017-11-15 21:18:59 +08:00
配置Pod的Service Account
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< / a >
2017-09-28 21:20:49 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.2.3" data-path = "../guide/secret-configuration.html" >
2017-09-28 21:20:49 +08:00
< a href = "../guide/secret-configuration.html" >
2017-12-20 17:27:16 +08:00
< b > 4.2.3.< / b >
2017-11-15 21:18:59 +08:00
Secret配置
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< / a >
2017-10-10 14:51:45 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.2.4" data-path = "../guide/resource-quota-management.html" >
2017-10-10 14:51:45 +08:00
< a href = "../guide/resource-quota-management.html" >
2017-12-20 17:27:16 +08:00
< b > 4.2.4.< / b >
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管理namespace中的资源配额
2017-10-10 14:51:45 +08:00
< / a >
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< / li >
< / ul >
< / li >
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< li class = "chapter " data-level = "4.3" data-path = "../guide/command-usage.html" >
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< a href = "../guide/command-usage.html" >
2017-12-20 17:27:16 +08:00
< b > 4.3.< / b >
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命令使用
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< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.3.1" data-path = "../guide/docker-cli-to-kubectl.html" >
2017-11-03 17:48:10 +08:00
< a href = "../guide/docker-cli-to-kubectl.html" >
2017-12-20 17:27:16 +08:00
< b > 4.3.1.< / b >
2017-11-15 21:18:59 +08:00
docker用户过度到kubectl命令行指南
2017-11-03 17:48:10 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.3.2" data-path = "../guide/using-kubectl.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/using-kubectl.html" >
2017-12-20 17:27:16 +08:00
< b > 4.3.2.< / b >
2017-11-15 21:18:59 +08:00
kubectl命令概览
2017-08-21 17:44:43 +08:00
< / a >
2017-09-16 20:56:43 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.3.3" data-path = "../guide/kubectl-cheatsheet.html" >
2017-09-16 20:56:43 +08:00
2017-11-03 17:48:10 +08:00
< a href = "../guide/kubectl-cheatsheet.html" >
2017-09-16 20:56:43 +08:00
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< b > 4.3.3.< / b >
2017-11-15 21:18:59 +08:00
kubectl命令技巧大全
2017-09-16 20:56:43 +08:00
< / a >
2017-11-23 13:06:23 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.3.4" data-path = "../guide/using-etcdctl-to-access-kubernetes-data.html" >
2017-11-23 13:06:23 +08:00
< a href = "../guide/using-etcdctl-to-access-kubernetes-data.html" >
2017-12-20 17:27:16 +08:00
< b > 4.3.4.< / b >
2017-11-23 13:06:23 +08:00
2017-12-25 18:15:30 +08:00
使用etcdctl访问kubernetes数据
2017-11-23 13:06:23 +08:00
< / a >
2017-08-21 17:44:43 +08:00
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.4" data-path = "../guide/cluster-security-management.html" >
2017-08-21 17:44:43 +08:00
2017-09-07 12:29:13 +08:00
< a href = "../guide/cluster-security-management.html" >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< b > 4.4.< / b >
2017-11-15 21:18:59 +08:00
集群安全性管理
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< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.4.1" data-path = "../guide/managing-tls-in-a-cluster.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/managing-tls-in-a-cluster.html" >
2017-12-20 17:27:16 +08:00
< b > 4.4.1.< / b >
2017-11-15 21:18:59 +08:00
管理集群中的TLS
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< / a >
2017-08-21 18:44:34 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.4.2" data-path = "../guide/kubelet-authentication-authorization.html" >
2017-08-21 18:44:34 +08:00
< a href = "../guide/kubelet-authentication-authorization.html" >
2017-12-20 17:27:16 +08:00
< b > 4.4.2.< / b >
2017-11-15 21:18:59 +08:00
kubelet的认证授权
2017-08-21 18:44:34 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.4.3" data-path = "../guide/tls-bootstrapping.html" >
2017-08-21 18:44:34 +08:00
< a href = "../guide/tls-bootstrapping.html" >
2017-12-20 17:27:16 +08:00
< b > 4.4.3.< / b >
2017-11-15 21:18:59 +08:00
TLS bootstrap
2017-08-21 18:44:34 +08:00
< / a >
2017-08-31 14:23:44 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.4.4" data-path = "../guide/kubectl-user-authentication-authorization.html" >
2017-08-31 14:23:44 +08:00
< a href = "../guide/kubectl-user-authentication-authorization.html" >
2017-12-20 17:27:16 +08:00
< b > 4.4.4.< / b >
2017-11-15 21:18:59 +08:00
创建用户认证授权的kubeconfig文件
2017-08-31 14:23:44 +08:00
< / a >
< / li >
2018-01-30 12:30:58 +08:00
< li class = "chapter " data-level = "4.4.5" data-path = "../guide/ip-masq-agent.html" >
2017-09-07 14:13:59 +08:00
< a href = "../guide/ip-masq-agent.html" >
2018-01-30 12:30:58 +08:00
< b > 4.4.5.< / b >
2017-11-15 21:18:59 +08:00
IP伪装代理
2017-09-07 14:13:59 +08:00
< / a >
2017-11-10 23:22:45 +08:00
< / li >
2018-01-30 12:30:58 +08:00
< li class = "chapter " data-level = "4.4.6" data-path = "../guide/auth-with-kubeconfig-or-token.html" >
2017-11-10 23:22:45 +08:00
< a href = "../guide/auth-with-kubeconfig-or-token.html" >
2018-01-30 12:30:58 +08:00
< b > 4.4.6.< / b >
2017-11-15 21:18:59 +08:00
使用kubeconfig或token进行用户身份认证
2017-11-10 23:22:45 +08:00
< / a >
2017-11-14 13:46:53 +08:00
< / li >
2018-01-30 12:30:58 +08:00
< li class = "chapter " data-level = "4.4.7" data-path = "../guide/authentication.html" >
2017-11-14 13:46:53 +08:00
< a href = "../guide/authentication.html" >
2018-01-30 12:30:58 +08:00
< b > 4.4.7.< / b >
2017-11-15 21:18:59 +08:00
2018-01-20 16:56:42 +08:00
Kubernetes中的用户与身份认证授权
2017-11-14 13:46:53 +08:00
< / a >
2017-08-21 17:44:43 +08:00
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.5" data-path = "../guide/access-kubernetes-cluster.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/access-kubernetes-cluster.html" >
2017-12-20 17:27:16 +08:00
< b > 4.5.< / b >
2017-11-15 21:18:59 +08:00
2017-11-21 20:10:10 +08:00
访问Kubernetes集群
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.5.1" data-path = "../guide/access-cluster.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/access-cluster.html" >
2017-12-20 17:27:16 +08:00
< b > 4.5.1.< / b >
2017-11-15 21:18:59 +08:00
访问集群
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.5.2" data-path = "../guide/authenticate-across-clusters-kubeconfig.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/authenticate-across-clusters-kubeconfig.html" >
2017-12-20 17:27:16 +08:00
< b > 4.5.2.< / b >
2017-11-15 21:18:59 +08:00
2017-11-21 20:10:10 +08:00
使用kubeconfig文件配置跨集群认证
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.5.3" data-path = "../guide/connecting-to-applications-port-forward.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/connecting-to-applications-port-forward.html" >
2017-12-20 17:27:16 +08:00
< b > 4.5.3.< / b >
2017-11-15 21:18:59 +08:00
通过端口转发访问集群中的应用程序
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.5.4" data-path = "../guide/service-access-application-cluster.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/service-access-application-cluster.html" >
2017-12-20 17:27:16 +08:00
< b > 4.5.4.< / b >
2017-11-15 21:18:59 +08:00
2017-11-21 20:10:10 +08:00
使用service访问群集中的应用程序
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.5.5" data-path = "../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html" >
2017-11-21 20:10:10 +08:00
< a href = "../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html" >
2017-12-20 17:27:16 +08:00
< b > 4.5.5.< / b >
2017-11-21 20:10:10 +08:00
从外部访问Kubernetes中的Pod
2017-08-21 17:44:43 +08:00
< / a >
2017-11-22 18:43:03 +08:00
< / li >
2018-01-14 21:13:12 +08:00
< li class = "chapter " data-level = "4.5.6" data-path = "../guide/cabin-mobile-dashboard-for-kubernetes.html" >
2017-11-22 18:43:03 +08:00
2018-01-14 21:13:12 +08:00
< a href = "../guide/cabin-mobile-dashboard-for-kubernetes.html" >
2017-11-22 18:43:03 +08:00
2017-12-20 17:27:16 +08:00
< b > 4.5.6.< / b >
2017-11-22 18:43:03 +08:00
2018-01-14 21:13:12 +08:00
Cabin - Kubernetes手机客户端
2017-11-22 18:43:03 +08:00
< / a >
2017-11-29 15:07:48 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.5.7" data-path = "../guide/kubernetes-desktop-client.html" >
2017-11-29 15:07:48 +08:00
< a href = "../guide/kubernetes-desktop-client.html" >
2017-12-20 17:27:16 +08:00
< b > 4.5.7.< / b >
2017-11-29 15:07:48 +08:00
Kubernetic - Kubernetes桌面客户端
< / a >
2017-12-27 11:58:32 +08:00
< / 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 >
2017-08-21 17:44:43 +08:00
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.6" data-path = "../guide/application-development-deployment-flow.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/application-development-deployment-flow.html" >
2017-12-20 17:27:16 +08:00
< b > 4.6.< / b >
2017-11-15 21:18:59 +08:00
2017-12-30 10:37:40 +08:00
在Kubernetes中开发部署应用
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.6.1" data-path = "../guide/deploy-applications-in-kubernetes.html" >
2017-08-21 17:44:43 +08:00
< a href = "../guide/deploy-applications-in-kubernetes.html" >
2017-12-20 17:27:16 +08:00
< b > 4.6.1.< / b >
2017-11-15 21:18:59 +08:00
适用于kubernetes的应用开发部署流程
2017-08-21 17:44:43 +08:00
< / a >
2017-08-21 18:44:34 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.6.2" data-path = "../guide/migrating-hadoop-yarn-to-kubernetes.html" >
2017-08-21 18:44:34 +08:00
< a href = "../guide/migrating-hadoop-yarn-to-kubernetes.html" >
2017-12-20 17:27:16 +08:00
< b > 4.6.2.< / b >
2017-11-15 21:18:59 +08:00
2017-12-30 10:37:40 +08:00
迁移传统应用到Kubernetes中——以Hadoop YARN为例
2017-08-21 18:44:34 +08:00
< / a >
2017-10-23 13:40:58 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "4.6.3" data-path = "../guide/using-statefulset.html" >
2017-10-23 13:40:58 +08:00
< a href = "../guide/using-statefulset.html" >
2017-12-20 17:27:16 +08:00
< b > 4.6.3.< / b >
2017-11-15 21:18:59 +08:00
使用StatefulSet部署用状态应用
2017-10-23 13:40:58 +08:00
< / a >
2017-08-21 17:44:43 +08:00
< / li >
< / ul >
< / li >
2017-11-15 21:18:59 +08:00
< li class = "header" > 最佳实践< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.1" data-path = "../practice/" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/" >
2017-12-20 17:27:16 +08:00
< b > 5.1.< / b >
2017-11-15 21:18:59 +08:00
最佳实践概览
2017-08-21 17:44:43 +08:00
< / a >
2017-11-15 21:18:59 +08:00
< / li >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2" data-path = "../practice/install-kubernetes-on-centos.html" >
2017-08-21 17:44:43 +08:00
2017-12-19 17:59:00 +08:00
< a href = "../practice/install-kubernetes-on-centos.html" >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< b > 5.2.< / b >
2017-11-15 21:18:59 +08:00
2017-12-30 10:37:40 +08:00
在CentOS上部署Kubernetes集群
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.1" data-path = "../practice/create-tls-and-secret-key.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/create-tls-and-secret-key.html" >
2017-12-20 17:27:16 +08:00
< b > 5.2.1.< / b >
2017-11-15 21:18:59 +08:00
创建TLS证书和秘钥
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.2" data-path = "../practice/create-kubeconfig.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/create-kubeconfig.html" >
2017-12-20 17:27:16 +08:00
< b > 5.2.2.< / b >
2017-11-15 21:18:59 +08:00
创建kubeconfig文件
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.3" data-path = "../practice/etcd-cluster-installation.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/etcd-cluster-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.2.3.< / b >
2017-11-15 21:18:59 +08:00
创建高可用etcd集群
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.4" data-path = "../practice/kubectl-installation.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/kubectl-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.2.4.< / b >
2017-11-15 21:18:59 +08:00
安装kubectl命令行工具
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.5" data-path = "../practice/master-installation.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/master-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.2.5.< / b >
2017-11-15 21:18:59 +08:00
部署master节点
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.6" data-path = "../practice/flannel-installation.html" >
2017-08-21 17:44:43 +08:00
2017-12-19 17:59:00 +08:00
< a href = "../practice/flannel-installation.html" >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< b > 5.2.6.< / b >
2017-11-15 21:18:59 +08:00
2017-12-19 17:59:00 +08:00
安装flannel网络插件
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.7" data-path = "../practice/node-installation.html" >
2017-12-19 17:59:00 +08:00
< a href = "../practice/node-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.2.7.< / b >
2017-12-19 17:59:00 +08:00
2017-11-15 21:18:59 +08:00
部署node节点
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.8" data-path = "../practice/kubedns-addon-installation.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/kubedns-addon-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.2.8.< / b >
2017-11-15 21:18:59 +08:00
安装kubedns插件
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.9" data-path = "../practice/dashboard-addon-installation.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/dashboard-addon-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.2.9.< / b >
2017-11-15 21:18:59 +08:00
安装dashboard插件
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.10" data-path = "../practice/heapster-addon-installation.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/heapster-addon-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.2.10.< / b >
2017-11-15 21:18:59 +08:00
安装heapster插件
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.2.11" data-path = "../practice/efk-addon-installation.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/efk-addon-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.2.11.< / b >
2017-11-15 21:18:59 +08:00
安装EFK插件
2017-08-21 17:44:43 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.3" data-path = "../practice/service-discovery-and-loadbalancing.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/service-discovery-and-loadbalancing.html" >
2017-12-20 17:27:16 +08:00
< b > 5.3.< / b >
2017-11-15 21:18:59 +08:00
服务发现与负载均衡
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.3.1" data-path = "../practice/traefik-ingress-installation.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/traefik-ingress-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.3.1.< / b >
2017-11-15 21:18:59 +08:00
安装Traefik ingress
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.3.2" data-path = "../practice/distributed-load-test.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/distributed-load-test.html" >
2017-12-20 17:27:16 +08:00
< b > 5.3.2.< / b >
2017-11-15 21:18:59 +08:00
分布式负载测试
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.3.3" data-path = "../practice/network-and-cluster-perfermance-test.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/network-and-cluster-perfermance-test.html" >
2017-12-20 17:27:16 +08:00
< b > 5.3.3.< / b >
2017-11-15 21:18:59 +08:00
网络和集群性能测试
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.3.4" data-path = "../practice/edge-node-configuration.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/edge-node-configuration.html" >
2017-12-20 17:27:16 +08:00
< b > 5.3.4.< / b >
2017-11-15 21:18:59 +08:00
边缘节点配置
2017-08-21 17:44:43 +08:00
< / a >
2017-10-27 19:09:01 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.3.5" data-path = "../practice/nginx-ingress-installation.html" >
2017-10-27 19:09:01 +08:00
< a href = "../practice/nginx-ingress-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.3.5.< / b >
2017-11-15 21:18:59 +08:00
安装Nginx ingress
2017-10-27 19:09:01 +08:00
< / a >
2018-01-03 16:14:36 +08:00
< / li >
< li class = "chapter " data-level = "5.3.6" data-path = "../practice/configuring-dns.html" >
< a href = "../practice/configuring-dns.html" >
< b > 5.3.6.< / b >
2018-01-03 16:26:15 +08:00
配置内置DNS（ ）
2018-01-03 16:14:36 +08:00
< / a >
2017-08-21 17:44:43 +08:00
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.4" data-path = "../practice/operation.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/operation.html" >
2017-12-20 17:27:16 +08:00
< b > 5.4.< / b >
2017-11-15 21:18:59 +08:00
运维管理
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.4.1" data-path = "../practice/service-rolling-update.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/service-rolling-update.html" >
2017-12-20 17:27:16 +08:00
< b > 5.4.1.< / b >
2017-11-15 21:18:59 +08:00
服务滚动升级
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.4.2" data-path = "../practice/app-log-collection.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/app-log-collection.html" >
2017-12-20 17:27:16 +08:00
< b > 5.4.2.< / b >
2017-11-15 21:18:59 +08:00
应用日志收集
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.4.3" data-path = "../practice/configuration-best-practice.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/configuration-best-practice.html" >
2017-12-20 17:27:16 +08:00
< b > 5.4.3.< / b >
2017-11-15 21:18:59 +08:00
配置最佳实践
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.4.4" data-path = "../practice/monitor.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/monitor.html" >
2017-12-20 17:27:16 +08:00
< b > 5.4.4.< / b >
2017-11-15 21:18:59 +08:00
集群及应用监控
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.4.5" data-path = "../practice/data-persistence-problem.html" >
2017-08-21 17:44:43 +08:00
< a href = "../practice/data-persistence-problem.html" >
2017-12-20 17:27:16 +08:00
< b > 5.4.5.< / b >
2017-11-15 21:18:59 +08:00
数据持久化问题
2017-08-21 17:44:43 +08:00
< / a >
2017-09-03 15:58:39 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.4.6" data-path = "../practice/manage-compute-resources-container.html" >
2017-09-03 15:58:39 +08:00
< a href = "../practice/manage-compute-resources-container.html" >
2017-12-20 17:27:16 +08:00
< b > 5.4.6.< / b >
2017-11-15 21:18:59 +08:00
管理容器的计算资源
2017-09-03 15:58:39 +08:00
< / a >
2017-09-25 21:41:08 +08:00
< / li >
2017-11-09 10:55:38 +08:00
< / ul >
2017-09-25 21:41:08 +08:00
2017-11-09 10:55:38 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.5" data-path = "../practice/storage.html" >
2017-11-09 10:55:38 +08:00
< a href = "../practice/storage.html" >
2017-09-25 21:41:08 +08:00
2017-12-20 17:27:16 +08:00
< b > 5.5.< / b >
2017-11-15 21:18:59 +08:00
存储管理
2017-11-09 10:55:38 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.5.1" data-path = "../practice/glusterfs.html" >
2017-11-09 10:55:38 +08:00
< a href = "../practice/glusterfs.html" >
2017-12-20 17:27:16 +08:00
< b > 5.5.1.< / b >
2017-11-15 21:18:59 +08:00
GlusterFS
2017-11-09 10:55:38 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.5.1.1" data-path = "../practice/using-glusterfs-for-persistent-storage.html" >
2017-11-09 10:55:38 +08:00
< a href = "../practice/using-glusterfs-for-persistent-storage.html" >
2017-12-20 17:27:16 +08:00
< b > 5.5.1.1.< / b >
2017-11-15 21:18:59 +08:00
使用GlusterFS做持久化存储
2017-09-25 21:41:08 +08:00
< / a >
2017-10-16 17:36:01 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.5.1.2" data-path = "../practice/storage-for-containers-using-glusterfs-with-openshift.html" >
2017-10-16 17:36:01 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/storage-for-containers-using-glusterfs-with-openshift.html" >
2017-10-16 17:36:01 +08:00
2017-12-20 17:27:16 +08:00
< b > 5.5.1.2.< / b >
2017-11-15 21:18:59 +08:00
在OpenShift中使用GlusterFS做持久化存储
2017-10-16 17:36:01 +08:00
< / a >
2017-08-21 17:44:43 +08:00
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.5.2" data-path = "../practice/cephfs.html" >
2017-08-21 17:44:43 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/cephfs.html" >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< b > 5.5.2.< / b >
2017-11-15 21:18:59 +08:00
CephFS
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.5.2.1" data-path = "../practice/using-ceph-for-persistent-storage.html" >
2017-08-21 17:44:43 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/using-ceph-for-persistent-storage.html" >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< b > 5.5.2.1.< / b >
2017-11-15 21:18:59 +08:00
使用Ceph做持久化存储
2017-11-09 10:55:38 +08:00
< / a >
2018-01-05 16:34:39 +08:00
< / li >
< / ul >
< / li >
< li class = "chapter " data-level = "5.5.3" data-path = "../practice/openebs.html" >
< a href = "../practice/openebs.html" >
< b > 5.5.3.< / b >
OpenEBS
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "5.5.3.1" data-path = "../practice/using-openebs-for-persistent-storage.html" >
< a href = "../practice/using-openebs-for-persistent-storage.html" >
< b > 5.5.3.1.< / b >
使用OpenEBS做持久化存储
< / a >
2017-11-09 10:55:38 +08:00
< / li >
< / ul >
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.6" data-path = "../practice/monitoring.html" >
2017-11-09 10:55:38 +08:00
< a href = "../practice/monitoring.html" >
2017-12-20 17:27:16 +08:00
< b > 5.6.< / b >
2017-11-15 21:18:59 +08:00
集群与应用监控
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.6.1" data-path = "../practice/heapster.html" >
2017-08-21 17:44:43 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/heapster.html" >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< b > 5.6.1.< / b >
2017-11-15 21:18:59 +08:00
Heapster
2017-08-21 17:44:43 +08:00
< / a >
2017-11-09 10:55:38 +08:00
< ul class = "articles" >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.6.1.1" data-path = "../practice/using-heapster-to-get-object-metrics.html" >
2017-08-21 17:44:43 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/using-heapster-to-get-object-metrics.html" >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< b > 5.6.1.1.< / b >
2017-11-15 21:18:59 +08:00
使用Heapster获取集群和对象的metric数据
2017-08-21 17:44:43 +08:00
< / a >
2017-09-01 21:04:51 +08:00
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.6.2" data-path = "../practice/prometheus.html" >
2017-09-01 21:04:51 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/prometheus.html" >
2017-09-01 21:04:51 +08:00
2017-12-20 17:27:16 +08:00
< b > 5.6.2.< / b >
2017-11-15 21:18:59 +08:00
Prometheus
2017-09-01 21:04:51 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.6.2.1" data-path = "../practice/using-prometheus-to-monitor-kuberentes-cluster.html" >
2017-09-01 21:04:51 +08:00
2017-11-09 10:55:38 +08:00
< a href = "../practice/using-prometheus-to-monitor-kuberentes-cluster.html" >
2017-09-01 21:04:51 +08:00
2017-12-20 17:27:16 +08:00
< b > 5.6.2.1.< / b >
2017-11-15 21:18:59 +08:00
使用Prometheus监控kubernetes集群
2017-09-01 21:04:51 +08:00
< / a >
2017-08-21 17:44:43 +08:00
< / li >
< / ul >
< / li >
< / ul >
2017-10-19 15:31:08 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.7" data-path = "../practice/services-management-tool.html" >
2017-10-19 15:31:08 +08:00
< a href = "../practice/services-management-tool.html" >
2017-12-20 17:27:16 +08:00
< b > 5.7.< / b >
2017-11-15 21:18:59 +08:00
服务编排管理
2017-10-19 15:31:08 +08:00
< / a >
2017-10-20 16:22:43 +08:00
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.7.1" data-path = "../practice/helm.html" >
2017-10-20 16:22:43 +08:00
< a href = "../practice/helm.html" >
2017-12-20 17:27:16 +08:00
< b > 5.7.1.< / b >
2017-11-15 21:18:59 +08:00
使用Helm管理kubernetes应用
2017-10-20 16:22:43 +08:00
< / a >
2017-10-27 11:59:37 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.7.2" data-path = "../practice/create-private-charts-repo.html" >
2017-10-27 11:59:37 +08:00
< a href = "../practice/create-private-charts-repo.html" >
2017-12-20 17:27:16 +08:00
< b > 5.7.2.< / b >
2017-11-15 21:18:59 +08:00
构建私有Chart仓库
2017-10-27 11:59:37 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.8" data-path = "../practice/ci-cd.html" >
2017-10-27 11:59:37 +08:00
< a href = "../practice/ci-cd.html" >
2017-12-20 17:27:16 +08:00
< b > 5.8.< / b >
2017-11-15 21:18:59 +08:00
持续集成与发布
2017-10-27 11:59:37 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.8.1" data-path = "../practice/jenkins-ci-cd.html" >
2017-10-27 11:59:37 +08:00
< a href = "../practice/jenkins-ci-cd.html" >
2017-12-20 17:27:16 +08:00
< b > 5.8.1.< / b >
2017-11-15 21:18:59 +08:00
使用Jenkins进行持续集成与发布
2017-10-27 11:59:37 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.8.2" data-path = "../practice/drone-ci-cd.html" >
2017-10-27 11:59:37 +08:00
< a href = "../practice/drone-ci-cd.html" >
2017-12-20 17:27:16 +08:00
< b > 5.8.2.< / b >
2017-11-15 21:18:59 +08:00
使用Drone进行持续集成与发布
2017-10-27 11:59:37 +08:00
< / a >
2017-11-02 16:33:01 +08:00
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.9" data-path = "../practice/update-and-upgrade.html" >
2017-11-02 16:33:01 +08:00
< a href = "../practice/update-and-upgrade.html" >
2017-12-20 17:27:16 +08:00
< b > 5.9.< / b >
2017-11-15 21:18:59 +08:00
更新与升级
2017-11-02 16:33:01 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.9.1" data-path = "../practice/manually-upgrade.html" >
2017-11-02 16:33:01 +08:00
< a href = "../practice/manually-upgrade.html" >
2017-12-20 17:27:16 +08:00
< b > 5.9.1.< / b >
2017-11-15 21:18:59 +08:00
2017-12-30 10:37:40 +08:00
手动升级Kubernetes集群
2017-11-02 16:33:01 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "5.9.2" data-path = "../practice/dashboard-upgrade.html" >
2017-11-02 16:33:01 +08:00
< a href = "../practice/dashboard-upgrade.html" >
2017-12-20 17:27:16 +08:00
< b > 5.9.2.< / b >
2017-11-15 21:18:59 +08:00
升级dashboard
2017-11-02 16:33:01 +08:00
< / a >
2017-10-20 16:22:43 +08:00
< / li >
< / ul >
2017-08-21 17:44:43 +08:00
< / li >
2017-11-15 21:18:59 +08:00
< li class = "header" > 领域应用< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.1" data-path = "../usecases/" >
2017-08-21 17:44:43 +08:00
< a href = "../usecases/" >
2017-12-20 17:27:16 +08:00
< b > 6.1.< / b >
2017-11-15 21:18:59 +08:00
领域应用概览
2017-08-21 17:44:43 +08:00
< / a >
2017-11-15 21:18:59 +08:00
< / li >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.2" data-path = "../usecases/microservices.html" >
2017-08-21 17:44:43 +08:00
< a href = "../usecases/microservices.html" >
2017-12-20 17:27:16 +08:00
< b > 6.2.< / b >
2017-11-15 21:18:59 +08:00
微服务架构
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.2.1" data-path = "../usecases/service-discovery-in-microservices.html" >
2017-09-20 21:55:19 +08:00
< a href = "../usecases/service-discovery-in-microservices.html" >
2017-12-20 17:27:16 +08:00
< b > 6.2.1.< / b >
2017-11-15 21:18:59 +08:00
微服务中的服务发现
2017-09-20 21:55:19 +08:00
< / a >
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3" data-path = "../usecases/service-mesh.html" >
2017-09-20 21:55:19 +08:00
< a href = "../usecases/service-mesh.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.< / b >
2017-11-15 21:18:59 +08:00
Service Mesh 服务网格
2017-09-20 21:55:19 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3.1" data-path = "../usecases/istio.html" >
2017-08-21 17:44:43 +08:00
< a href = "../usecases/istio.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.1.< / b >
2017-11-15 21:18:59 +08:00
Istio
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3.1.1" data-path = "../usecases/istio-installation.html" >
2017-08-21 17:44:43 +08:00
< a href = "../usecases/istio-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.1.1.< / b >
2017-11-15 21:18:59 +08:00
安装并试用Istio service mesh
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3.1.2" data-path = "../usecases/configuring-request-routing.html" >
2017-08-21 17:44:43 +08:00
< a href = "../usecases/configuring-request-routing.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.1.2.< / b >
2017-11-15 21:18:59 +08:00
配置请求的路由规则
2017-08-21 17:44:43 +08:00
< / a >
2017-11-07 23:57:26 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3.1.3" data-path = "../usecases/install-and-expand-istio-mesh.html" >
2017-11-07 23:57:26 +08:00
< a href = "../usecases/install-and-expand-istio-mesh.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.1.3.< / b >
2017-11-15 21:18:59 +08:00
安装和拓展Istio service mesh
2017-11-07 23:57:26 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3.1.4" data-path = "../usecases/integrating-vms.html" >
2017-11-07 23:57:26 +08:00
< a href = "../usecases/integrating-vms.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.1.4.< / b >
2017-11-15 21:18:59 +08:00
集成虚拟机
2017-11-07 23:57:26 +08:00
< / a >
2017-08-21 17:44:43 +08:00
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3.2" data-path = "../usecases/linkerd.html" >
2017-08-21 17:44:43 +08:00
< a href = "../usecases/linkerd.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.2.< / b >
2017-11-15 21:18:59 +08:00
Linkerd
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3.2.1" data-path = "../usecases/linkerd-user-guide.html" >
2017-08-21 17:44:43 +08:00
< a href = "../usecases/linkerd-user-guide.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.2.1.< / b >
2017-11-15 21:18:59 +08:00
Linkerd 使用指南
2017-08-21 17:44:43 +08:00
< / a >
< / li >
< / ul >
2017-12-10 21:51:18 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3.3" data-path = "../usecases/conduit.html" >
2017-12-10 21:51:18 +08:00
< a href = "../usecases/conduit.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.3.< / b >
2017-12-10 21:51:18 +08:00
Conduit
< / a >
2017-12-11 14:21:24 +08:00
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3.3.1" data-path = "../usecases/conduit-overview.html" >
2017-12-11 14:21:24 +08:00
< a href = "../usecases/conduit-overview.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.3.1.< / b >
2017-12-11 14:21:24 +08:00
Condiut概览
< / a >
2017-12-12 23:30:36 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.3.3.2" data-path = "../usecases/conduit-installation.html" >
2017-12-12 23:30:36 +08:00
< a href = "../usecases/conduit-installation.html" >
2017-12-20 17:27:16 +08:00
< b > 6.3.3.2.< / b >
2017-12-12 23:30:36 +08:00
安装Conduit
< / a >
2017-12-11 14:21:24 +08:00
< / li >
< / ul >
2017-08-21 17:44:43 +08:00
< / li >
< / ul >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.4" data-path = "../usecases/big-data.html" >
2017-08-21 17:44:43 +08:00
< a href = "../usecases/big-data.html" >
2017-12-20 17:27:16 +08:00
< b > 6.4.< / b >
2017-11-15 21:18:59 +08:00
大数据
2017-08-21 17:44:43 +08:00
< / a >
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.4.1" data-path = "../usecases/spark-standalone-on-kubernetes.html" >
2017-08-21 17:44:43 +08:00
2017-08-30 14:20:52 +08:00
< a href = "../usecases/spark-standalone-on-kubernetes.html" >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< b > 6.4.1.< / b >
2017-11-15 21:18:59 +08:00
Spark standalone on Kubernetes
2017-08-21 17:44:43 +08:00
< / a >
2017-08-31 14:23:44 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.4.2" data-path = "../usecases/running-spark-with-kubernetes-native-scheduler.html" >
2017-08-31 14:23:44 +08:00
2017-09-14 15:57:50 +08:00
< a href = "../usecases/running-spark-with-kubernetes-native-scheduler.html" >
2017-08-31 14:23:44 +08:00
2017-12-20 17:27:16 +08:00
< b > 6.4.2.< / b >
2017-11-15 21:18:59 +08:00
2017-12-30 10:37:40 +08:00
运行支持Kubernetes原生调度的Spark程序
2017-08-31 14:23:44 +08:00
< / a >
2017-08-21 17:44:43 +08:00
< / li >
< / ul >
2017-08-30 16:52:33 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.5" data-path = "../usecases/serverless.html" >
2017-08-30 16:52:33 +08:00
< a href = "../usecases/serverless.html" >
2017-12-20 17:27:16 +08:00
< b > 6.5.< / b >
2017-11-15 21:18:59 +08:00
Serverless架构
2017-08-30 16:52:33 +08:00
< / a >
2017-11-23 11:03:04 +08:00
< ul class = "articles" >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.5.1" data-path = "../usecases/understanding-serverless.html" >
2017-11-23 11:03:04 +08:00
< a href = "../usecases/understanding-serverless.html" >
2017-12-20 17:27:16 +08:00
< b > 6.5.1.< / b >
2017-11-23 11:03:04 +08:00
理解Serverless
< / a >
2017-12-19 22:39:23 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.5.2" data-path = "../usecases/faas.html" >
2017-12-19 22:39:23 +08:00
< a href = "../usecases/faas.html" >
2017-12-20 17:27:16 +08:00
< b > 6.5.2.< / b >
2017-12-19 22:39:23 +08:00
FaaS-函数即服务
< / a >
< ul class = "articles" >
2017-12-26 21:24:28 +08:00
< li class = "chapter " data-level = "6.5.2.1" data-path = "../usecases/openfaas-quick-start.html" >
2017-12-19 22:39:23 +08:00
2017-12-26 21:24:28 +08:00
< a href = "../usecases/openfaas-quick-start.html" >
2017-12-19 22:39:23 +08:00
2017-12-20 17:27:16 +08:00
< b > 6.5.2.1.< / b >
2017-12-19 22:39:23 +08:00
2017-12-26 21:24:28 +08:00
OpenFaaS快速入门指南
2017-12-19 22:39:23 +08:00
< / a >
< / li >
< / ul >
2017-11-23 11:03:04 +08:00
< / li >
< / ul >
2017-10-27 19:09:01 +08:00
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "6.6" data-path = "../usecases/edge-computing.html" >
2017-10-27 19:09:01 +08:00
< a href = "../usecases/edge-computing.html" >
2017-12-20 17:27:16 +08:00
< b > 6.6.< / b >
2017-11-15 21:18:59 +08:00
边缘计算
2017-10-27 19:09:01 +08:00
< / a >
2017-08-21 17:44:43 +08:00
< / li >
2017-11-15 21:18:59 +08:00
< li class = "header" > 开发指南< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "7.1" data-path = "../develop/" >
2017-08-21 17:44:43 +08:00
< a href = "../develop/" >
2017-12-20 17:27:16 +08:00
< b > 7.1.< / b >
2017-11-15 21:18:59 +08:00
开发指南概览
2017-08-21 17:44:43 +08:00
< / a >
2017-11-15 21:18:59 +08:00
< / li >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "7.2" data-path = "../develop/sigs-and-working-group.html" >
2017-08-21 17:44:43 +08:00
2017-12-03 13:13:09 +08:00
< a href = "../develop/sigs-and-working-group.html" >
2017-08-21 17:44:43 +08:00
2017-12-20 17:27:16 +08:00
< b > 7.2.< / b >
2017-11-15 21:18:59 +08:00
2017-12-03 13:13:09 +08:00
SIG和工作组
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "7.3" data-path = "../develop/developing-environment.html" >
2017-12-03 13:13:09 +08:00
< a href = "../develop/developing-environment.html" >
2017-12-20 17:27:16 +08:00
< b > 7.3.< / b >
2017-12-03 13:13:09 +08:00
2017-11-15 21:18:59 +08:00
开发环境搭建
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "7.4" data-path = "../develop/testing.html" >
2017-08-21 17:44:43 +08:00
< a href = "../develop/testing.html" >
2017-12-20 17:27:16 +08:00
< b > 7.4.< / b >
2017-11-15 21:18:59 +08:00
单元测试和集成测试
2017-08-21 17:44:43 +08:00
< / a >
< / li >
2017-12-20 17:27:16 +08:00
< li class = "chapter " data-level = "7.5" data-path = "../develop/client-go-sample.html" >
2017-08-21 17:44:43 +08:00
< a href = "../develop/client-go-sample.html" >
2017-12-20 17:27:16 +08:00
< b > 7.5.< / b >
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client-go示例
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< / a >
< / li >
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< li class = "chapter " data-level = "7.6" data-path = "../develop/operator.html" >
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< a href = "../develop/operator.html" >
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< b > 7.6.< / b >
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Operator
< / a >
< / li >
< li class = "chapter " data-level = "7.7" data-path = "../develop/contribute.html" >
< a href = "../develop/contribute.html" >
< b > 7.7.< / b >
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社区贡献
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< / a >
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< / li >
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< li class = "chapter " data-level = "7.8" data-path = "../develop/minikube.html" >
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< a href = "../develop/minikube.html" >
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< b > 7.8.< / b >
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Minikube
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< / a >
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< / li >
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< li class = "header" > 附录< / li >
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< li class = "chapter " data-level = "8.1" data-path = "../appendix/" >
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< a href = "../appendix/" >
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< b > 8.1.< / b >
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附录说明
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< / a >
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< / li >
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< li class = "chapter " data-level = "8.2" data-path = "../appendix/debug-kubernetes-services.html" >
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< a href = "../appendix/debug-kubernetes-services.html" >
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< b > 8.2.< / b >
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Kubernetes中的应用故障排查
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< / a >
< / li >
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< li class = "chapter " data-level = "8.3" data-path = "../appendix/material-share.html" >
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< a href = "../appendix/material-share.html" >
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< b > 8.3.< / b >
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Kubernetes相关资讯和情报链接
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< / a >
< / li >
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< li class = "chapter " data-level = "8.4" data-path = "../appendix/docker-best-practice.html" >
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< a href = "../appendix/docker-best-practice.html" >
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< b > 8.4.< / b >
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Docker最佳实践
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< / a >
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< / li >
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< li class = "chapter " data-level = "8.5" data-path = "../appendix/tricks.html" >
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< a href = "../appendix/tricks.html" >
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< b > 8.5.< / b >
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使用技巧
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< / a >
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< / li >
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< li class = "chapter " data-level = "8.6" data-path = "../appendix/issues.html" >
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< a href = "../appendix/issues.html" >
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< b > 8.6.< / b >
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问题记录
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< / a >
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< / li >
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< li class = "chapter " data-level = "8.7" data-path = "../appendix/kubernetes-changelog.html" >
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< a href = "../appendix/kubernetes-changelog.html" >
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< b > 8.7.< / b >
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Kubernetes版本更新日志
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< / a >
< ul class = "articles" >
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< li class = "chapter " data-level = "8.7.1" 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 > 8.7.1.< / b >
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Kubernetes1.7更新日志
< / a >
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< / li >
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< li class = "chapter " data-level = "8.7.2" 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 > 8.7.2.< / b >
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Kubernetes1.8更新日志
< / a >
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< / li >
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< li class = "chapter " data-level = "8.7.3" 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 > 8.7.3.< / b >
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Kubernetes1.9更新日志
< / a >
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< / li >
< / ul >
< / li >
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< li class = "chapter " data-level = "8.8" data-path = "../appendix/summary-and-outlook.html" >
< a href = "../appendix/summary-and-outlook.html" >
< b > 8.8.< / b >
Kubernetes及云原生年度总结及展望
< / a >
< ul class = "articles" >
< li class = "chapter " data-level = "8.8.1" data-path = "../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html" >
< a href = "../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html" >
< b > 8.8.1.< / b >
Kubernetes与云原生2017年年终总结及2018年展望
< / a >
< / li >
< / ul >
< / li >
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< li class = "divider" > < / li >
< li >
< a href = "https://www.gitbook.com" target = "blank" class = "gitbook-link" >
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本书使用 GitBook 发布
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< / 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 = ".." > Pod解析< / 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" >
< div class = "search-noresults" >
< section class = "normal markdown-section" >
< h1 id = "pod解析" > Pod解 析 < / h1 >
< p > Pod是 kubernetes中 可 以 创 建 的 最 小 部 署 单 元 。 < / p >
< p > V1 core版 本 的 Pod的 配 置 模 板 见 < a href = "../manifests/template/pod-v1-template.yaml" > Pod template< / a > 。 < / p >
< h2 id = "什么是pod？" > 什 么 是 Pod？ < / h2 >
< p > Pod就 像 是 豌 豆 荚 一 样 ， 它 由 一 个 或 者 多 个 容 器 组 成 （ 例 如 Docker容 器 ） ， 它 们 共 享 容 器 存 储 、 网 络 和 容 器 运 行 配 置 项 。 Pod中 的 容 器 总 是 被 同 时 调 度 ， 有 共 同 的 运 行 环 境 。 你 可 以 把 单 个 Pod想 象 成 是 运 行 独 立 应 用 的 “ 逻 辑 主 机 ” — — 其 中 运 行 着 一 个 或 者 多 个 紧 密 耦 合 的 应 用 容 器 — — 在 有 容 器 之 前 ， 这 些 应 用 都 是 运 行 在 几 个 相 同 的 物 理 机 或 者 虚 拟 机 上 。 < / p >
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< p > 尽 管 kubernetes支 持 多 种 容 器 运 行 时 ， 但 是 Docker依 然 是 最 常 用 的 运 行 时 环 境 ， 我 们 可 以 使 用 Docker的 术 语 和 规 则 来 定 义 Pod。 < / p >
< p > Pod中 共 享 的 环 境 包 括 Linux的 namespace， cgroup和 其 他 可 能 的 隔 绝 环 境 ， 这 一 点 跟 Docker容 器 一 致 。 在 Pod的 环 境 中 ， 每 个 容 器 中 可 能 还 有 更 小 的 子 隔 离 环 境 。 < / p >
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< p > Pod中 的 容 器 共 享 IP地 址 和 端 口 号 ， 它 们 之 间 可 以 通 过 < code > localhost< / code > 互 相 发 现 。 它 们 之 间 可 以 通 过 进 程 间 通 信 ， 例 如 < a href = "https://en.wikipedia.org/wiki/UNIX_System_V" target = "_blank" > SystemV< / a > 信 号 或 者 POSIX共 享 内 存 。 不 同 Pod之 间 的 容 器 具 有 不 同 的 IP地 址 ， 不 能 直 接 通 过 IPC通 信 。 < / p >
< p > Pod中 的 容 器 也 有 访 问 共 享 volume的 权 限 ， 这 些 volume会 被 定 义 成 pod的 一 部 分 并 挂 载 到 应 用 容 器 的 文 件 系 统 中 。 < / p >
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< p > 根 据 Docker的 结 构 ， Pod中 的 容 器 共 享 namespace和 volume， 不 支 持 共 享 PID的 namespace。 < / p >
< p > 就 像 每 个 应 用 容 器 ， pod被 认 为 是 临 时 （ 非 持 久 的 ） 实 体 。 在 Pod的 生 命 周 期 中 讨 论 过 ， pod被 创 建 后 ， 被 分 配 一 个 唯 一 的 ID（ UID） ， 调 度 到 节 点 上 ， 并 一 致 维 持 期 望 的 状 态 直 到 被 终 结 （ 根 据 重 启 策 略 ） 或 者 被 删 除 。 如 果 node死 掉 了 ， 分 配 到 了 这 个 node上 的 pod， 在 经 过 一 个 超 时 时 间 后 会 被 重 新 调 度 到 其 他 node节 点 上 。 一 个 给 定 的 pod（ 如 UID定 义 的 ） 不 会 被 “ 重 新 调 度 ” 到 新 的 节 点 上 ， 而 是 被 一 个 同 样 的 pod取 代 ， 如 果 期 望 的 话 甚 至 可 以 是 相 同 的 名 字 ， 但 是 会 有 一 个 新 的 UID（ 查 看 replication controller获 取 详 情 ） 。 （ 未 来 ， 一 个 更 高 级 别 的 API将 支 持 pod迁 移 ） 。 < / p >
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< p > Volume跟 pod有 相 同 的 生 命 周 期 （ 当 其 UID存 在 的 时 候 ） 。 当 Pod因 为 某 种 原 因 被 删 除 或 者 被 新 创 建 的 相 同 的 Pod取 代 ， 它 相 关 的 东 西 （ 例 如 volume） 也 会 被 销 毁 和 再 创 建 一 个 新 的 volume。 < / p >
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< figure id = "fig3.2.1.2.1" > < img src = "../images/pod-overview.png" alt = "Pod示意图" > < figcaption > 图 片 - Pod示 意 图 < / figcaption > < / figure >
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< p > < em > A multi-container pod that contains a file puller and a web server that uses a persistent volume for shared storage between the containers.< / em > < / p >
< h2 id = "pod的动机" > Pod的 动 机 < / h2 >
< h3 id = "管理" > 管 理 < / h3 >
< p > Pod是 一 个 服 务 的 多 个 进 程 的 聚 合 单 位 ， pod提 供 这 种 模 型 能 够 简 化 应 用 部 署 管 理 ， 通 过 提 供 一 个 更 高 级 别 的 抽 象 的 方 式 。 Pod作 为 一 个 独 立 的 部 署 单 位 ， 支 持 横 向 扩 展 和 复 制 。 共 生 （ 协 同 调 度 ） ， 命 运 共 同 体 （ 例 如 被 终 结 ） ， 协 同 复 制 ， 资 源 共 享 ， 依 赖 管 理 ， Pod都 会 自 动 的 为 容 器 处 理 这 些 问 题 。 < / p >
< h3 id = "资源共享和通信" > 资 源 共 享 和 通 信 < / h3 >
< p > Pod中 的 应 用 可 以 共 享 网 络 空 间 （ IP地 址 和 端 口 ） ， 因 此 可 以 通 过 < code > localhost< / code > 互 相 发 现 。 因 此 ， pod中 的 应 用 必 须 协 调 端 口 占 用 。 每 个 pod都 有 一 个 唯 一 的 IP地 址 ， 跟 物 理 机 和 其 他 pod都 处 于 一 个 扁 平 的 网 络 空 间 中 ， 它 们 之 间 可 以 直 接 连 通 。 < / p >
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< p > Pod中 应 用 容 器 的 hostname被 设 置 成 Pod的 名 字 。 < / p >
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< p > Pod中 的 应 用 容 器 可 以 共 享 volume。 Volume能 够 保 证 pod重 启 时 使 用 的 数 据 不 丢 失 。 < / p >
< h2 id = "pod的使用" > Pod的 使 用 < / h2 >
< p > Pod也 可 以 用 于 垂 直 应 用 栈 （ 例 如 LAMP） ， 这 样 使 用 的 主 要 动 机 是 为 了 支 持 共 同 调 度 和 协 调 管 理 应 用 程 序 ， 例 如 ： < / p >
< ul >
< li > content management systems, file and data loaders, local cache managers, etc.< / li >
< li > log and checkpoint backup, compression, rotation, snapshotting, etc.< / li >
< li > data change watchers, log tailers, logging and monitoring adapters, event publishers, etc.< / li >
< li > proxies, bridges, and adapters< / li >
< li > controllers, managers, configurators, and updaters< / li >
< / ul >
< p > 通 常 单 个 pod中 不 会 同 时 运 行 一 个 应 用 的 多 个 实 例 。 < / p >
< p > 详 细 说 明 请 看 ： < a href = "http://blog.kubernetes.io/2015/06/the-distributed-system-toolkit-patterns.html" target = "_blank" > The Distributed System ToolKit: Patterns for Composite Containers< / a > .< / p >
< h2 id = "其他替代选择" > 其 他 替 代 选 择 < / h2 >
< p > < strong > 为 什 么 不 直 接 在 一 个 容 器 中 运 行 多 个 应 用 程 序 呢 ？ < / strong > < / p >
< ol >
< li > 透 明 。 让 Pod中 的 容 器 对 基 础 设 施 可 见 ， 以 便 基 础 设 施 能 够 为 这 些 容 器 提 供 服 务 ， 例 如 进 程 管 理 和 资 源 监 控 。 这 可 以 为 用 户 带 来 极 大 的 便 利 。 < / li >
< li > 解 耦 软 件 依 赖 。 每 个 容 器 都 可 以 进 行 版 本 管 理 ， 独 立 的 编 译 和 发 布 。 未 来 kubernetes甚 至 可 能 支 持 单 个 容 器 的 在 线 升 级 。 < / li >
< li > 使 用 方 便 。 用 户 不 必 运 行 自 己 的 进 程 管 理 器 ， 还 要 担 心 错 误 信 号 传 播 等 。 < / li >
< li > 效 率 。 因 为 由 基 础 架 构 提 供 更 多 的 职 责 ， 所 以 容 器 可 以 变 得 更 加 轻 量 级 。 < / li >
< / ol >
< p > < strong > 为 什 么 不 支 持 容 器 的 亲 和 性 的 协 同 调 度 ？ < / strong > < / p >
< p > 这 种 方 法 可 以 提 供 容 器 的 协 同 定 位 ， 能 够 根 据 容 器 的 亲 和 性 进 行 调 度 ， 但 是 无 法 实 现 使 用 pod带 来 的 大 部 分 好 处 ， 例 如 资 源 共 享 ， IPC， 保 持 状 态 一 致 性 和 简 化 管 理 等 。 < / p >
< h2 id = "pod的持久性（或者说缺乏持久性）" > Pod的 持 久 性 （ 或 者 说 缺 乏 持 久 性 ） < / h2 >
< p > Pod在 设 计 支 持 就 不 是 作 为 持 久 化 实 体 的 。 在 调 度 失 败 、 节 点 故 障 、 缺 少 资 源 或 者 节 点 维 护 的 状 态 下 都 会 死 掉 会 被 驱 逐 。 < / p >
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< p > 通 常 ， 用 户 不 需 要 手 动 直 接 创 建 Pod， 而 是 应 该 使 用 controller（ 例 如 < a href = "deployment.html" > Deployments< / a > ） ， 即 使 是 在 创 建 单 个 Pod的 情 况 下 。 Controller可 以 提 供 集 群 级 别 的 自 愈 功 能 、 复 制 和 升 级 管 理 。 < / p >
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< p > The use of collective APIs as the primary user-facing primitive is relatively common among cluster scheduling systems, including < a href = "https://research.google.com/pubs/pub43438.html" target = "_blank" > Borg< / a > , < a href = "https://mesosphere.github.io/marathon/docs/rest-api.html" target = "_blank" > Marathon< / a > , < a href = "http://aurora.apache.org/documentation/latest/reference/configuration/#job-schema" target = "_blank" > Aurora< / a > , and < a href = "http://www.slideshare.net/Docker/aravindnarayanan-facebook140613153626phpapp02-37588997" target = "_blank" > Tupperware< / a > .< / p >
< p > Pod is exposed as a primitive in order to facilitate:< / p >
< ul >
< li > scheduler and controller pluggability< / li >
< li > support for pod-level operations without the need to " proxy" them via controller APIs< / li >
< li > decoupling of pod lifetime from controller lifetime, such as for bootstrapping< / li >
< li > decoupling of controllers and services — the endpoint controller just watches pods< / li >
< li > clean composition of Kubelet-level functionality with cluster-level functionality — Kubelet is effectively the " pod controller" < / li >
< li > high-availability applications, which will expect pods to be replaced in advance of their termination and certainly in advance of deletion, such as in the case of planned evictions, image prefetching, or live pod migration < a href = "http://issue.k8s.io/3949" target = "_blank" > #3949< / a > < / li >
< / ul >
< p > < a href = "statefulset.html" > StatefulSet< / a > controller（ 目 前 还 是 beta状 态 ） 支 持 有 状 态 的 Pod。 在 1.4版 本 中 被 称 为 PetSet。 在 kubernetes之 前 的 版 本 中 创 建 有 状 态 pod的 最 佳 方 式 是 创 建 一 个 replica为 1的 replication controller。 < / p >
< h2 id = "pod的终止" > Pod的 终 止 < / h2 >
< p > 因 为 Pod作 为 在 集 群 的 节 点 上 运 行 的 进 程 ， 所 以 在 不 再 需 要 的 时 候 能 够 优 雅 的 终 止 掉 是 十 分 必 要 的 （ 比 起 使 用 发 送 KILL信 号 这 种 暴 力 的 方 式 ） 。 用 户 需 要 能 够 放 松 删 除 请 求 ， 并 且 知 道 它 们 何 时 会 被 终 止 ， 是 否 被 正 确 的 删 除 。 用 户 想 终 止 程 序 时 发 送 删 除 pod的 请 求 ， 在 pod可 以 被 强 制 删 除 前 会 有 一 个 优 雅 删 除 的 时 间 ， 会 发 送 一 个 TERM请 求 到 每 个 容 器 的 主 进 程 。 一 旦 超 时 ， 将 向 主 进 程 发 送 KILL信 号 并 从 API server中 删 除 。 如 果 kubelet或 者 container manager在 等 待 进 程 终 止 的 过 程 中 重 启 ， 在 重 启 后 仍 然 会 重 试 完 整 的 优 雅 删 除 阶 段 。 < / p >
< p > 示 例 流 程 如 下 ： < / p >
< ol >
< li > 用 户 发 送 删 除 pod的 命 令 ， 默 认 优 雅 删 除 时 期 是 30秒 ； < / li >
< li > 在 Pod超 过 该 优 雅 删 除 期 限 后 API server就 会 更 新 Pod的 状 态 为 “ dead” ； < / li >
< li > 在 客 户 端 命 令 行 上 显 示 的 Pod状 态 为 “ terminating” ； < / li >
< li > 跟 第 三 步 同 时 ， 当 kubelet发 现 pod被 标 记 为 “ terminating” 状 态 时 ， 开 始 停 止 pod进 程 ： < ol >
< li > 如 果 在 pod中 定 义 了 preStop hook， 在 停 止 pod前 会 被 调 用 。 如 果 在 优 雅 删 除 期 限 过 期 后 ， preStop hook依 然 在 运 行 ， 第 二 步 会 再 增 加 2秒 的 优 雅 时 间 ； < / li >
< li > 向 Pod中 的 进 程 发 送 TERM信 号 ； < / li >
< / ol >
< / li >
< li > 跟 第 三 步 同 时 ， 该 Pod将 从 该 service的 端 点 列 表 中 删 除 ， 不 再 是 replication controller的 一 部 分 。 关 闭 的 慢 的 pod将 继 续 处 理 load balancer转 发 的 流 量 ； < / li >
< li > 过 了 优 雅 周 期 后 ， 将 向 Pod中 依 然 运 行 的 进 程 发 送 SIGKILL信 号 而 杀 掉 进 程 。 < / li >
< li > Kublete会 在 API server中 完 成 Pod的 的 删 除 ， 通 过 将 优 雅 周 期 设 置 为 0（ 立 即 删 除 ） 。 Pod在 API中 消 失 ， 并 且 在 客 户 端 也 不 可 见 。 < / li >
< / ol >
< p > 删 除 优 雅 周 期 默 认 是 30秒 。 < code > kubectl delete< / code > 命 令 支 持 < code > — grace-period=< seconds> < / code > 选 项 ， 允 许 用 户 设 置 自 己 的 优 雅 周 期 时 间 。 如 果 设 置 为 0将 强 制 删 除 pod。 在 kubectl> =1.5版 本 的 命 令 中 ， 你 必 须 同 时 使 用 < code > --force< / code > 和 < code > --grace-period=0< / code > 来 强 制 删 除 pod。 < / p >
< h3 id = "强制删除pod" > 强 制 删 除 Pod< / h3 >
< p > Pod的 强 制 删 除 是 通 过 在 集 群 和 etcd中 将 其 定 义 为 删 除 状 态 。 当 执 行 强 制 删 除 命 令 时 ， API server不 会 等 待 该 pod所 运 行 在 节 点 上 的 kubelet确 认 ， 就 会 立 即 将 该 pod从 API server中 移 除 ， 这 时 就 可 以 创 建 跟 原 pod同 名 的 pod了 。 这 时 ， 在 节 点 上 的 pod会 被 立 即 设 置 为 terminating状 态 ， 不 过 在 被 强 制 删 除 之 前 依 然 有 一 小 段 优 雅 删 除 周 期 。 < / p >
< p > 强 制 删 除 对 于 某 些 pod具 有 潜 在 危 险 性 ， 请 谨 慎 使 用 。 使 用 StatefulSet pod的 情 况 下 ， 请 参 考 删 除 StatefulSet中 的 pod文 章 。 < / p >
< h2 id = "pod中容器的特权模式" > Pod中 容 器 的 特 权 模 式 < / h2 >
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< p > 从 kubernetes1.1版 本 开 始 ， pod中 的 容 器 就 可 以 开 启 previleged模 式 ， 在 容 器 定 义 文 件 的 < code > SecurityContext< / code > 下 使 用 < code > privileged< / code > flag。 这 在 使 用 Linux的 网 络 操 作 和 访 问 设 备 的 能 力 时 是 很 用 的 。 同 时 开 启 的 特 权 模 式 的 Pod中 的 容 器 也 可 以 访 问 到 容 器 外 的 进 程 和 应 用 。 在 不 需 要 修 改 和 重 新 编 译 kubelet的 情 况 下 就 可 以 使 用 pod来 开 发 节 点 的 网 络 和 存 储 插 件 。 < / p >
< p > 如 果 master节 点 运 行 的 是 kuberentes1.1或 更 高 版 本 ， 而 node节 点 的 版 本 低 于 1.1版 本 ， 则 API server将 也 可 以 接 受 新 的 特 权 模 式 的 pod， 但 是 无 法 启 动 ， pod将 处 于 pending状 态 。 < / p >
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< p > 执 行 < code > kubectl describe pod FooPodName< / code > ， 可 以 看 到 为 什 么 pod处 于 pending状 态 。 输 出 的 event列 表 中 将 显 示 ：
< code > Error validating pod " FooPodName" ." FooPodNamespace" from api, ignoring: spec.containers[0].securityContext.privileged: forbidden ' < *> (0xc2089d3248)true' < / code > < / p >
< p > 如 果 master节 点 的 版 本 低 于 1.1， 无 法 创 建 特 权 模 式 的 pod。 如 果 你 仍 然 试 图 去 创 建 的 话 ， 你 得 到 如 下 错 误 ： < / p >
< p > < code > The Pod " FooPodName" is invalid. spec.containers[0].securityContext.privileged: forbidden ' < *> (0xc20b222db0)true' < / code > < / p >
< h2 id = "api-object" > API Object< / h2 >
< p > Pod是 kubernetes REST API中 的 顶 级 资 源 类 型 。 < / p >
< p > 在 kuberentes1.6的 V1 core API版 本 中 的 Pod的 数 据 结 构 如 下 图 所 示 ： < / p >
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< figure id = "fig3.2.1.2.2" > < img src = "../images/kubernetes-pod-cheatsheet.png" alt = "Pod Cheatsheet" > < figcaption > 图 片 - Pod Cheatsheet< / figcaption > < / figure >
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