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<title>4.4.1.1 使用GlusterFS做持久化存储 · Kubernetes Handbook</title>
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序言
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1. Kubernetes与云原生应用概览
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2.1 设计理念
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2.2 Objects
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<ul class="articles">
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<li class="chapter " data-level="1.3.2.1" data-path="../concepts/pod-overview.html">
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<a href="../concepts/pod-overview.html">
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2.2.1 Pod
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.3.2.1.1" data-path="../concepts/pod.html">
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<a href="../concepts/pod.html">
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2.2.1.1 Pod解析
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</a>
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<li class="chapter " data-level="1.3.2.1.2" data-path="../concepts/init-containers.html">
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<a href="../concepts/init-containers.html">
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2.2.1.2 Init容器
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</a>
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<li class="chapter " data-level="1.3.2.1.3" data-path="../concepts/pod-security-policy.html">
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<a href="../concepts/pod-security-policy.html">
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2.2.1.3 Pod安全策略
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</a>
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<li class="chapter " data-level="1.3.2.1.4" data-path="../concepts/pod-lifecycle.html">
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<a href="../concepts/pod-lifecycle.html">
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2.2.1.4 Pod的生命周期
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</a>
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</li>
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</ul>
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<li class="chapter " data-level="1.3.2.2" data-path="../concepts/node.html">
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<a href="../concepts/node.html">
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2.2.2 Node
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</a>
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<li class="chapter " data-level="1.3.2.3" data-path="../concepts/namespace.html">
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<a href="../concepts/namespace.html">
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2.2.3 Namespace
|
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</a>
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<li class="chapter " data-level="1.3.2.4" data-path="../concepts/service.html">
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<a href="../concepts/service.html">
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2.2.4 Service
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</a>
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</li>
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<li class="chapter " data-level="1.3.2.5" data-path="../concepts/volume.html">
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<a href="../concepts/volume.html">
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2.2.5 Volume和Persistent Volume
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</a>
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<li class="chapter " data-level="1.3.2.6" data-path="../concepts/deployment.html">
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<a href="../concepts/deployment.html">
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2.2.6 Deployment
|
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</a>
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</li>
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<li class="chapter " data-level="1.3.2.7" data-path="../concepts/secret.html">
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<a href="../concepts/secret.html">
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||
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|
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2.2.7 Secret
|
||
|
||
</a>
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||
|
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</li>
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<li class="chapter " data-level="1.3.2.8" data-path="../concepts/statefulset.html">
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<a href="../concepts/statefulset.html">
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||
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2.2.8 StatefulSet
|
||
|
||
</a>
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</li>
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<li class="chapter " data-level="1.3.2.9" data-path="../concepts/daemonset.html">
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<a href="../concepts/daemonset.html">
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||
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2.2.9 DaemonSet
|
||
|
||
</a>
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</li>
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<li class="chapter " data-level="1.3.2.10" data-path="../concepts/serviceaccount.html">
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<a href="../concepts/serviceaccount.html">
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2.2.10 ServiceAccount
|
||
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</a>
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</li>
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<li class="chapter " data-level="1.3.2.11" data-path="../concepts/replicaset.html">
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<a href="../concepts/replicaset.html">
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||
|
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2.2.11 ReplicationController和ReplicaSet
|
||
|
||
</a>
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||
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</li>
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<li class="chapter " data-level="1.3.2.12" data-path="../concepts/job.html">
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<a href="../concepts/job.html">
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2.2.12 Job
|
||
|
||
</a>
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||
|
||
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</li>
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|
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<li class="chapter " data-level="1.3.2.13" data-path="../concepts/cronjob.html">
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<a href="../concepts/cronjob.html">
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||
|
||
|
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2.2.13 CronJob
|
||
|
||
</a>
|
||
|
||
|
||
|
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</li>
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|
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<li class="chapter " data-level="1.3.2.14" data-path="../concepts/ingress.html">
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<a href="../concepts/ingress.html">
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|
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2.2.14 Ingress
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.3.2.15" data-path="../concepts/configmap.html">
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<a href="../concepts/configmap.html">
|
||
|
||
|
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2.2.15 ConfigMap
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
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|
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<li class="chapter " data-level="1.3.2.16" data-path="../concepts/horizontal-pod-autoscaling.html">
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|
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<a href="../concepts/horizontal-pod-autoscaling.html">
|
||
|
||
|
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2.2.16 Horizontal Pod Autoscaling
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
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|
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<li class="chapter " data-level="1.3.2.17" data-path="../concepts/label.html">
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<a href="../concepts/label.html">
|
||
|
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2.2.17 Label
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.3.2.18" data-path="../concepts/garbage-collection.html">
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||
|
||
<a href="../concepts/garbage-collection.html">
|
||
|
||
|
||
2.2.18 垃圾收集
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.3.2.19" data-path="../concepts/network-policy.html">
|
||
|
||
<a href="../concepts/network-policy.html">
|
||
|
||
|
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2.2.19 NetworkPolicy
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
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</ul>
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</li>
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</ul>
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</li>
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<li class="chapter " data-level="1.4" data-path="../guide/">
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<a href="../guide/">
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3. 用户指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
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<li class="chapter " data-level="1.4.1" data-path="../guide/resource-configuration.html">
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|
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<a href="../guide/resource-configuration.html">
|
||
|
||
|
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3.1 资源对象配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.1.1" data-path="../guide/configure-liveness-readiness-probes.html">
|
||
|
||
<a href="../guide/configure-liveness-readiness-probes.html">
|
||
|
||
|
||
3.1.1 配置Pod的liveness和readiness探针
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.2" data-path="../guide/configure-pod-service-account.html">
|
||
|
||
<a href="../guide/configure-pod-service-account.html">
|
||
|
||
|
||
3.1.2 配置Pod的Service Account
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.3" data-path="../guide/secret-configuration.html">
|
||
|
||
<a href="../guide/secret-configuration.html">
|
||
|
||
|
||
3.1.3 Secret配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.4" data-path="../guide/resource-quota-management.html">
|
||
|
||
<a href="../guide/resource-quota-management.html">
|
||
|
||
|
||
3.2.3 管理namespace中的资源配额
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.2" data-path="../guide/command-usage.html">
|
||
|
||
<a href="../guide/command-usage.html">
|
||
|
||
|
||
3.2 命令使用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.2.1" data-path="../guide/using-kubectl.html">
|
||
|
||
<a href="../guide/using-kubectl.html">
|
||
|
||
|
||
3.2.1 使用kubectl
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.2.2" data-path="../guide/docker-cli-to-kubectl.html">
|
||
|
||
<a href="../guide/docker-cli-to-kubectl.html">
|
||
|
||
|
||
3.2.2 docker用户过度到kubectl命令行指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3" data-path="../guide/cluster-security-management.html">
|
||
|
||
<a href="../guide/cluster-security-management.html">
|
||
|
||
|
||
3.3 集群安全性管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.3.1" data-path="../guide/managing-tls-in-a-cluster.html">
|
||
|
||
<a href="../guide/managing-tls-in-a-cluster.html">
|
||
|
||
|
||
3.3.1 管理集群中的TLS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.2" data-path="../guide/kubelet-authentication-authorization.html">
|
||
|
||
<a href="../guide/kubelet-authentication-authorization.html">
|
||
|
||
|
||
3.3.2 kubelet的认证授权
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.3" data-path="../guide/tls-bootstrapping.html">
|
||
|
||
<a href="../guide/tls-bootstrapping.html">
|
||
|
||
|
||
3.3.3 TLS bootstrap
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.4" data-path="../guide/kubectl-user-authentication-authorization.html">
|
||
|
||
<a href="../guide/kubectl-user-authentication-authorization.html">
|
||
|
||
|
||
3.3.4 kubectl的用户认证授权
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.5" data-path="../guide/rbac.html">
|
||
|
||
<a href="../guide/rbac.html">
|
||
|
||
|
||
3.3.5 RBAC——基于角色的访问控制
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.6" data-path="../guide/ip-masq-agent.html">
|
||
|
||
<a href="../guide/ip-masq-agent.html">
|
||
|
||
|
||
3.3.6 IP伪装代理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.4" data-path="../guide/access-kubernetes-cluster.html">
|
||
|
||
<a href="../guide/access-kubernetes-cluster.html">
|
||
|
||
|
||
3.4 访问 Kubernetes 集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.4.1" data-path="../guide/access-cluster.html">
|
||
|
||
<a href="../guide/access-cluster.html">
|
||
|
||
|
||
3.4.1 访问集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.4.2" data-path="../guide/authenticate-across-clusters-kubeconfig.html">
|
||
|
||
<a href="../guide/authenticate-across-clusters-kubeconfig.html">
|
||
|
||
|
||
3.4.2 使用 kubeconfig 文件配置跨集群认证
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.4.3" data-path="../guide/connecting-to-applications-port-forward.html">
|
||
|
||
<a href="../guide/connecting-to-applications-port-forward.html">
|
||
|
||
|
||
3.4.3 通过端口转发访问集群中的应用程序
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.4.4" data-path="../guide/service-access-application-cluster.html">
|
||
|
||
<a href="../guide/service-access-application-cluster.html">
|
||
|
||
|
||
3.4.4 使用 service 访问群集中的应用程序
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.5" data-path="../guide/application-development-deployment-flow.html">
|
||
|
||
<a href="../guide/application-development-deployment-flow.html">
|
||
|
||
|
||
3.5 在kubernetes中开发部署应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.5.1" data-path="../guide/deploy-applications-in-kubernetes.html">
|
||
|
||
<a href="../guide/deploy-applications-in-kubernetes.html">
|
||
|
||
|
||
3.5.1 适用于kubernetes的应用开发部署流程
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.5.2" data-path="../guide/migrating-hadoop-yarn-to-kubernetes.html">
|
||
|
||
<a href="../guide/migrating-hadoop-yarn-to-kubernetes.html">
|
||
|
||
|
||
3.5.2 迁移传统应用到kubernetes中——以Hadoop YARN为例
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.5.3" data-path="../guide/using-statefulset.html">
|
||
|
||
<a href="../guide/using-statefulset.html">
|
||
|
||
|
||
3.5.3 使用StatefulSet部署用状态应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5" data-path="./">
|
||
|
||
<a href="./">
|
||
|
||
|
||
4. 最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.1" data-path="install-kbernetes1.6-on-centos.html">
|
||
|
||
<a href="install-kbernetes1.6-on-centos.html">
|
||
|
||
|
||
4.1 在CentOS上部署kubernetes1.6集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.1.1" data-path="create-tls-and-secret-key.html">
|
||
|
||
<a href="create-tls-and-secret-key.html">
|
||
|
||
|
||
4.1.1 创建TLS证书和秘钥
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.2" data-path="create-kubeconfig.html">
|
||
|
||
<a href="create-kubeconfig.html">
|
||
|
||
|
||
4.1.2 创建kubeconfig文件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.3" data-path="etcd-cluster-installation.html">
|
||
|
||
<a href="etcd-cluster-installation.html">
|
||
|
||
|
||
4.1.3 创建高可用etcd集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.4" data-path="kubectl-installation.html">
|
||
|
||
<a href="kubectl-installation.html">
|
||
|
||
|
||
4.1.4 安装kubectl命令行工具
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.5" data-path="master-installation.html">
|
||
|
||
<a href="master-installation.html">
|
||
|
||
|
||
4.1.5 部署master节点
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.6" data-path="node-installation.html">
|
||
|
||
<a href="node-installation.html">
|
||
|
||
|
||
4.1.6 部署node节点
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.7" data-path="kubedns-addon-installation.html">
|
||
|
||
<a href="kubedns-addon-installation.html">
|
||
|
||
|
||
4.1.7 安装kubedns插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.8" data-path="dashboard-addon-installation.html">
|
||
|
||
<a href="dashboard-addon-installation.html">
|
||
|
||
|
||
4.1.8 安装dashboard插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.9" data-path="heapster-addon-installation.html">
|
||
|
||
<a href="heapster-addon-installation.html">
|
||
|
||
|
||
4.1.9 安装heapster插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.10" data-path="efk-addon-installation.html">
|
||
|
||
<a href="efk-addon-installation.html">
|
||
|
||
|
||
4.1.10 安装EFK插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2" data-path="service-discovery-and-loadbalancing.html">
|
||
|
||
<a href="service-discovery-and-loadbalancing.html">
|
||
|
||
|
||
4.2 服务发现与负载均衡
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.2.1" data-path="traefik-ingress-installation.html">
|
||
|
||
<a href="traefik-ingress-installation.html">
|
||
|
||
|
||
4.2.1 安装Traefik ingress
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2.2" data-path="distributed-load-test.html">
|
||
|
||
<a href="distributed-load-test.html">
|
||
|
||
|
||
4.2.2 分布式负载测试
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2.3" data-path="network-and-cluster-perfermance-test.html">
|
||
|
||
<a href="network-and-cluster-perfermance-test.html">
|
||
|
||
|
||
4.2.3 网络和集群性能测试
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2.4" data-path="edge-node-configuration.html">
|
||
|
||
<a href="edge-node-configuration.html">
|
||
|
||
|
||
4.2.4 边缘节点配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3" data-path="operation.html">
|
||
|
||
<a href="operation.html">
|
||
|
||
|
||
4.3 运维管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.3.1" data-path="service-rolling-update.html">
|
||
|
||
<a href="service-rolling-update.html">
|
||
|
||
|
||
4.3.1 服务滚动升级
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.2" data-path="app-log-collection.html">
|
||
|
||
<a href="app-log-collection.html">
|
||
|
||
|
||
4.3.2 应用日志收集
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.3" data-path="configuration-best-practice.html">
|
||
|
||
<a href="configuration-best-practice.html">
|
||
|
||
|
||
4.3.3 配置最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.4" data-path="monitor.html">
|
||
|
||
<a href="monitor.html">
|
||
|
||
|
||
4.3.4 集群及应用监控
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.5" data-path="jenkins-ci-cd.html">
|
||
|
||
<a href="jenkins-ci-cd.html">
|
||
|
||
|
||
4.3.5 使用Jenkins进行持续构建与发布
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.6" data-path="data-persistence-problem.html">
|
||
|
||
<a href="data-persistence-problem.html">
|
||
|
||
|
||
4.3.6 数据持久化问题
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.7" data-path="manage-compute-resources-container.html">
|
||
|
||
<a href="manage-compute-resources-container.html">
|
||
|
||
|
||
4.3.7 管理容器的计算资源
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.8" data-path="using-prometheus-to-monitor-kuberentes-cluster.html">
|
||
|
||
<a href="using-prometheus-to-monitor-kuberentes-cluster.html">
|
||
|
||
|
||
4.3.8 使用Prometheus监控kubernetes集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.9" data-path="using-heapster-to-get-object-metrics.html">
|
||
|
||
<a href="using-heapster-to-get-object-metrics.html">
|
||
|
||
|
||
4.3.9 使用Heapster获取集群和对象的metric数据
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.3.10" data-path="manually-upgrade.html">
|
||
|
||
<a href="manually-upgrade.html">
|
||
|
||
|
||
4.3.10 手动集群升级
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.4" data-path="storage.html">
|
||
|
||
<a href="storage.html">
|
||
|
||
|
||
4.4 存储管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.4.1" data-path="glusterfs.html">
|
||
|
||
<a href="glusterfs.html">
|
||
|
||
|
||
4.4.1 GlusterFS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter active" data-level="1.5.4.1.1" data-path="using-glusterfs-for-persistent-storage.html">
|
||
|
||
<a href="using-glusterfs-for-persistent-storage.html">
|
||
|
||
|
||
4.4.1.1 使用GlusterFS做持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.4.1.2" data-path="storage-for-containers-using-glusterfs-with-openshift.html">
|
||
|
||
<a href="storage-for-containers-using-glusterfs-with-openshift.html">
|
||
|
||
|
||
4.4.1.2 在OpenShift中使用GlusterFS做持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.4.2" data-path="cephfs.html">
|
||
|
||
<a href="cephfs.html">
|
||
|
||
|
||
4.4.2 CephFS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.4.2.1" data-path="using-ceph-for-persistent-storage.html">
|
||
|
||
<a href="using-ceph-for-persistent-storage.html">
|
||
|
||
|
||
4.4.2.1 使用Ceph做持久化存储
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.5" data-path="services-management-tool.html">
|
||
|
||
<a href="services-management-tool.html">
|
||
|
||
|
||
4.5 服务编排管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.5.1" data-path="helm.html">
|
||
|
||
<a href="helm.html">
|
||
|
||
|
||
4.5.1 Helm
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6" data-path="../usecases/">
|
||
|
||
<a href="../usecases/">
|
||
|
||
|
||
5. 领域应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.1" data-path="../usecases/microservices.html">
|
||
|
||
<a href="../usecases/microservices.html">
|
||
|
||
|
||
5.1 微服务架构
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.1.1" data-path="../usecases/service-discovery-in-microservices.html">
|
||
|
||
<a href="../usecases/service-discovery-in-microservices.html">
|
||
|
||
|
||
5.1.1 微服务中的服务发现
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.2" data-path="../usecases/service-mesh.html">
|
||
|
||
<a href="../usecases/service-mesh.html">
|
||
|
||
|
||
5.2 Service Mesh 服务网格
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.2.1" data-path="../usecases/istio.html">
|
||
|
||
<a href="../usecases/istio.html">
|
||
|
||
|
||
5.1.1 Istio
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.2.1.1" data-path="../usecases/istio-installation.html">
|
||
|
||
<a href="../usecases/istio-installation.html">
|
||
|
||
|
||
5.1.1.1 安装istio
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.2.1.2" data-path="../usecases/configuring-request-routing.html">
|
||
|
||
<a href="../usecases/configuring-request-routing.html">
|
||
|
||
|
||
5.1.1.2 配置请求的路由规则
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.2.2" data-path="../usecases/linkerd.html">
|
||
|
||
<a href="../usecases/linkerd.html">
|
||
|
||
|
||
5.1.2 Linkerd
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.2.2.1" data-path="../usecases/linkerd-user-guide.html">
|
||
|
||
<a href="../usecases/linkerd-user-guide.html">
|
||
|
||
|
||
5.1.2.1 Linkerd 使用指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.3" data-path="../usecases/big-data.html">
|
||
|
||
<a href="../usecases/big-data.html">
|
||
|
||
|
||
5.2 大数据
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.3.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
|
||
|
||
<a href="../usecases/spark-standalone-on-kubernetes.html">
|
||
|
||
|
||
5.2.1 Spark standalone on Kubernetes
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.3.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
|
||
|
||
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
|
||
|
||
|
||
5.2.2 运行支持kubernetes原生调度的Spark程序
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6.4" data-path="../usecases/serverless.html">
|
||
|
||
<a href="../usecases/serverless.html">
|
||
|
||
|
||
5.3 Serverless架构
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.7" data-path="../develop/">
|
||
|
||
<a href="../develop/">
|
||
|
||
|
||
6. 开发指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.7.1" data-path="../develop/developing-environment.html">
|
||
|
||
<a href="../develop/developing-environment.html">
|
||
|
||
|
||
6.1 开发环境搭建
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.7.2" data-path="../develop/testing.html">
|
||
|
||
<a href="../develop/testing.html">
|
||
|
||
|
||
6.2 单元测试和集成测试
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.7.3" data-path="../develop/client-go-sample.html">
|
||
|
||
<a href="../develop/client-go-sample.html">
|
||
|
||
|
||
6.3 client-go示例
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.7.4" data-path="../develop/contribute.html">
|
||
|
||
<a href="../develop/contribute.html">
|
||
|
||
|
||
6.4 社区贡献
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.8" data-path="../appendix/">
|
||
|
||
<a href="../appendix/">
|
||
|
||
|
||
7. 附录
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.8.1" data-path="../appendix/docker-best-practice.html">
|
||
|
||
<a href="../appendix/docker-best-practice.html">
|
||
|
||
|
||
7.1 Docker最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.8.2" data-path="../appendix/issues.html">
|
||
|
||
<a href="../appendix/issues.html">
|
||
|
||
|
||
7.2 问题记录
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.8.3" data-path="../appendix/tricks.html">
|
||
|
||
<a href="../appendix/tricks.html">
|
||
|
||
|
||
7.3 使用技巧
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.8.4" data-path="../appendix/debug-kubernetes-services.html">
|
||
|
||
<a href="../appendix/debug-kubernetes-services.html">
|
||
|
||
|
||
7.4 kubernetes service中的故障排查
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.8.5" data-path="../appendix/material-share.html">
|
||
|
||
<a href="../appendix/material-share.html">
|
||
|
||
|
||
7.5 Kubernetes相关资讯和情报链接
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</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>
|
||
<a href=".." >4.4.1.1 使用GlusterFS做持久化存储</a>
|
||
</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="使用glusterfs做持久化存储">使用glusterfs做持久化存储</h1>
|
||
<p>我们复用kubernetes的三台主机做glusterfs存储。</p>
|
||
<p>以下步骤参考自：<a href="https://www.xf80.com/2017/04/21/kubernetes-glusterfs/（该网站已无法访问）" target="_blank">https://www.xf80.com/2017/04/21/kubernetes-glusterfs/（该网站已无法访问）</a></p>
|
||
<h2 id="安装glusterfs">安装glusterfs</h2>
|
||
<p>我们直接在物理机上使用yum安装，如果你选择在kubernetes上安装，请参考：<a href="https://github.com/gluster/gluster-kubernetes/blob/master/docs/setup-guide.md" target="_blank">https://github.com/gluster/gluster-kubernetes/blob/master/docs/setup-guide.md</a></p>
|
||
<pre><code class="lang-bash"><span class="hljs-comment"># 先安装 gluster 源</span>
|
||
$ yum install centos-release-gluster -y
|
||
|
||
<span class="hljs-comment"># 安装 glusterfs 组件</span>
|
||
$ yum install -y glusterfs glusterfs-server glusterfs-fuse glusterfs-rdma glusterfs-geo-replication glusterfs-devel
|
||
|
||
<span class="hljs-comment">## 创建 glusterfs 目录</span>
|
||
$ mkdir /opt/glusterd
|
||
|
||
<span class="hljs-comment">## 修改 glusterd 目录</span>
|
||
$ sed -i <span class="hljs-string">'s/var\/lib/opt/g'</span> /etc/glusterfs/glusterd.vol
|
||
|
||
<span class="hljs-comment"># 启动 glusterfs</span>
|
||
$ systemctl start glusterd.service
|
||
|
||
<span class="hljs-comment"># 设置开机启动</span>
|
||
$ systemctl <span class="hljs-built_in">enable</span> glusterd.service
|
||
|
||
<span class="hljs-comment">#查看状态</span>
|
||
$ systemctl status glusterd.service
|
||
</code></pre>
|
||
<h2 id="配置-glusterfs">配置 glusterfs</h2>
|
||
<pre><code class="lang-Bash"><span class="hljs-comment"># 配置 hosts</span>
|
||
|
||
$ vi /etc/hosts
|
||
172.20.0.113 sz-pg-oam-docker-test-001.tendcloud.com
|
||
172.20.0.114 sz-pg-oam-docker-test-002.tendcloud.com
|
||
172.20.0.115 sz-pg-oam-docker-test-003.tendcloud.com
|
||
</code></pre>
|
||
<pre><code class="lang-bash"><span class="hljs-comment"># 开放端口</span>
|
||
$ iptables -I INPUT -p tcp --dport 24007 -j ACCEPT
|
||
|
||
<span class="hljs-comment"># 创建存储目录</span>
|
||
$ mkdir /opt/gfs_data
|
||
</code></pre>
|
||
<pre><code class="lang-bash"><span class="hljs-comment"># 添加节点到 集群</span>
|
||
<span class="hljs-comment"># 执行操作的本机不需要probe 本机</span>
|
||
[root@sz-pg-oam-docker-test-001 ~]<span class="hljs-comment">#</span>
|
||
gluster peer probe sz-pg-oam-docker-test-002.tendcloud.com
|
||
gluster peer probe sz-pg-oam-docker-test-003.tendcloud.com
|
||
|
||
<span class="hljs-comment"># 查看集群状态</span>
|
||
$ gluster peer status
|
||
Number of Peers: 2
|
||
|
||
Hostname: sz-pg-oam-docker-test-002.tendcloud.com
|
||
Uuid: f25546cc-2011-457d-ba24-342554b51317
|
||
State: Peer <span class="hljs-keyword">in</span> Cluster (Connected)
|
||
|
||
Hostname: sz-pg-oam-docker-test-003.tendcloud.com
|
||
Uuid: 42b6cad1-aa01-46d0-bbba<span class="hljs-_">-f</span>7ec6821d66d
|
||
State: Peer <span class="hljs-keyword">in</span> Cluster (Connected)
|
||
</code></pre>
|
||
<h2 id="配置-volume">配置 volume</h2>
|
||
<p>GlusterFS中的volume的模式有很多中，包括以下几种：</p>
|
||
<ul>
|
||
<li><strong>分布卷（默认模式）</strong>：即DHT, 也叫 分布卷: 将文件已hash算法随机分布到 一台服务器节点中存储。</li>
|
||
<li><strong>复制模式</strong>：即AFR, 创建volume 时带 replica x 数量: 将文件复制到 replica x 个节点中。</li>
|
||
<li><strong>条带模式</strong>：即Striped, 创建volume 时带 stripe x 数量： 将文件切割成数据块，分别存储到 stripe x 个节点中 ( 类似raid 0 )。</li>
|
||
<li><strong>分布式条带模式</strong>：最少需要4台服务器才能创建。 创建volume 时 stripe 2 server = 4 个节点： 是DHT 与 Striped 的组合型。</li>
|
||
<li><strong>分布式复制模式</strong>：最少需要4台服务器才能创建。 创建volume 时 replica 2 server = 4 个节点：是DHT 与 AFR 的组合型。</li>
|
||
<li><strong>条带复制卷模式</strong>：最少需要4台服务器才能创建。 创建volume 时 stripe 2 replica 2 server = 4 个节点： 是 Striped 与 AFR 的组合型。</li>
|
||
<li><strong>三种模式混合</strong>： 至少需要8台 服务器才能创建。 stripe 2 replica 2 , 每4个节点 组成一个 组。</li>
|
||
</ul>
|
||
<p>这几种模式的示例图参考：<a href="http://www.cnblogs.com/jicki/p/5801712.html" target="_blank">CentOS7安装GlusterFS</a>。</p>
|
||
<p>因为我们只有三台主机，在此我们使用默认的<strong>分布卷模式</strong>。<strong>请勿在生产环境上使用该模式，容易导致数据丢失。</strong></p>
|
||
<pre><code class="lang-bash"><span class="hljs-comment"># 创建分布卷</span>
|
||
$ gluster volume create k8s-volume transport tcp sz-pg-oam-docker-test-001.tendcloud.com:/opt/gfs_data sz-pg-oam-docker-test-002.tendcloud.com:/opt/gfs_data sz-pg-oam-docker-test-003.tendcloud.com:/opt/gfs_data force
|
||
|
||
<span class="hljs-comment"># 查看volume状态</span>
|
||
$ gluster volume info
|
||
Volume Name: k8s-volume
|
||
Type: Distribute
|
||
Volume ID: 9a3b0710-4565-4eb7-abae-1d5c8ed625ac
|
||
Status: Created
|
||
Snapshot Count: 0
|
||
Number of Bricks: 3
|
||
Transport-type: tcp
|
||
Bricks:
|
||
Brick1: sz-pg-oam-docker-test-001.tendcloud.com:/opt/gfs_data
|
||
Brick2: sz-pg-oam-docker-test-002.tendcloud.com:/opt/gfs_data
|
||
Brick3: sz-pg-oam-docker-test-003.tendcloud.com:/opt/gfs_data
|
||
Options Reconfigured:
|
||
transport.address-family: inet
|
||
nfs.disable: on
|
||
|
||
<span class="hljs-comment"># 启动 分布卷</span>
|
||
$ gluster volume start k8s-volume
|
||
</code></pre>
|
||
<h2 id="glusterfs调优">Glusterfs调优</h2>
|
||
<pre><code class="lang-bash"><span class="hljs-comment"># 开启 指定 volume 的配额</span>
|
||
$ gluster volume quota k8s-volume <span class="hljs-built_in">enable</span>
|
||
|
||
<span class="hljs-comment"># 限制 指定 volume 的配额</span>
|
||
$ gluster volume quota k8s-volume <span class="hljs-built_in">limit</span>-usage / 1TB
|
||
|
||
<span class="hljs-comment"># 设置 cache 大小, 默认32MB</span>
|
||
$ gluster volume <span class="hljs-built_in">set</span> k8s-volume performance.cache-size 4GB
|
||
|
||
<span class="hljs-comment"># 设置 io 线程, 太大会导致进程崩溃</span>
|
||
$ gluster volume <span class="hljs-built_in">set</span> k8s-volume performance.io-thread-count 16
|
||
|
||
<span class="hljs-comment"># 设置 网络检测时间, 默认42s</span>
|
||
$ gluster volume <span class="hljs-built_in">set</span> k8s-volume network.ping-timeout 10
|
||
|
||
<span class="hljs-comment"># 设置 写缓冲区的大小, 默认1M</span>
|
||
$ gluster volume <span class="hljs-built_in">set</span> k8s-volume performance.write-behind-window-size 1024MB
|
||
</code></pre>
|
||
<h2 id="kubernetes中配置glusterfs">Kubernetes中配置glusterfs</h2>
|
||
<p>官方的文档见：<a href="https://github.com/kubernetes/kubernetes/tree/master/examples/volumes/glusterfs" target="_blank">https://github.com/kubernetes/kubernetes/tree/master/examples/volumes/glusterfs</a></p>
|
||
<p>以下用到的所有yaml和json配置文件可以在<a href="https://github.com/rootsongjc/kubernetes-handbook/blob/master/manifests/glusterfs" target="_blank">../manifests/glusterfs</a>中找到。注意替换其中私有镜像地址为你自己的镜像地址。</p>
|
||
<h2 id="kubernetes安装客户端">kubernetes安装客户端</h2>
|
||
<pre><code class="lang-bash"><span class="hljs-comment"># 在所有 k8s node 中安装 glusterfs 客户端</span>
|
||
|
||
$ yum install -y glusterfs glusterfs-fuse
|
||
|
||
<span class="hljs-comment"># 配置 hosts</span>
|
||
|
||
$ vi /etc/hosts
|
||
|
||
172.20.0.113 sz-pg-oam-docker-test-001.tendcloud.com
|
||
172.20.0.114 sz-pg-oam-docker-test-002.tendcloud.com
|
||
172.20.0.115 sz-pg-oam-docker-test-003.tendcloud.com
|
||
</code></pre>
|
||
<p>因为我们glusterfs跟kubernetes集群复用主机，因为此这一步可以省去。</p>
|
||
<h2 id="配置-endpoints">配置 endpoints</h2>
|
||
<pre><code class="lang-bash">$ curl -O https://raw.githubusercontent.com/kubernetes/kubernetes/master/examples/volumes/glusterfs/glusterfs-endpoints.json
|
||
|
||
<span class="hljs-comment"># 修改 endpoints.json ，配置 glusters 集群节点ip</span>
|
||
<span class="hljs-comment"># 每一个 addresses 为一个 ip 组</span>
|
||
|
||
{
|
||
<span class="hljs-string">"addresses"</span>: [
|
||
{
|
||
<span class="hljs-string">"ip"</span>: <span class="hljs-string">"172.22.0.113"</span>
|
||
}
|
||
],
|
||
<span class="hljs-string">"ports"</span>: [
|
||
{
|
||
<span class="hljs-string">"port"</span>: 1990
|
||
}
|
||
]
|
||
},
|
||
|
||
<span class="hljs-comment"># 导入 glusterfs-endpoints.json</span>
|
||
|
||
$ kubectl apply <span class="hljs-_">-f</span> glusterfs-endpoints.json
|
||
|
||
<span class="hljs-comment"># 查看 endpoints 信息</span>
|
||
$ kubectl get ep
|
||
</code></pre>
|
||
<h2 id="配置-service">配置 service</h2>
|
||
<pre><code class="lang-bash">$ curl -O https://raw.githubusercontent.com/kubernetes/kubernetes/master/examples/volumes/glusterfs/glusterfs-service.json
|
||
|
||
<span class="hljs-comment"># service.json 里面查找的是 enpointes 的名称与端口，端口默认配置为 1，我改成了1990</span>
|
||
|
||
<span class="hljs-comment"># 导入 glusterfs-service.json</span>
|
||
$ kubectl apply <span class="hljs-_">-f</span> glusterfs-service.json
|
||
|
||
<span class="hljs-comment"># 查看 service 信息</span>
|
||
$ kubectl get svc
|
||
</code></pre>
|
||
<h2 id="创建测试-pod">创建测试 pod</h2>
|
||
<pre><code class="lang-bash">$ curl -O https://raw.githubusercontent.com/kubernetes/kubernetes/master/examples/volumes/glusterfs/glusterfs-pod.json
|
||
|
||
<span class="hljs-comment"># 编辑 glusterfs-pod.json</span>
|
||
<span class="hljs-comment"># 修改 volumes 下的 path 为上面创建的 volume 名称</span>
|
||
|
||
<span class="hljs-string">"path"</span>: <span class="hljs-string">"k8s-volume"</span>
|
||
|
||
<span class="hljs-comment"># 导入 glusterfs-pod.json</span>
|
||
$ kubectl apply <span class="hljs-_">-f</span> glusterfs-pod.json
|
||
|
||
<span class="hljs-comment"># 查看 pods 状态</span>
|
||
$ kubectl get pods
|
||
NAME READY STATUS RESTARTS AGE
|
||
glusterfs 1/1 Running 0 1m
|
||
|
||
<span class="hljs-comment"># 查看 pods 所在 node</span>
|
||
$ kubectl describe pods/glusterfs
|
||
|
||
<span class="hljs-comment"># 登陆 node 物理机，使用 df 可查看挂载目录</span>
|
||
$ df -h
|
||
172.20.0.113:k8s-volume 1073741824 0 1073741824 0% 172.20.0.113:k8s-volume 1.0T 0 1.0T 0% /var/lib/kubelet/pods/3de9<span class="hljs-built_in">fc</span>69-30b7-11e7-bfbd-8af1e3a7c5bd/volumes/kubernetes.io~glusterfs/glusterfsvol
|
||
</code></pre>
|
||
<h2 id="配置persistentvolume">配置PersistentVolume</h2>
|
||
<p>PersistentVolume（PV）和 PersistentVolumeClaim（PVC）是kubernetes提供的两种API资源，用于抽象存储细节。管理员关注于如何通过pv提供存储功能而无需关注用户如何使用，同样的用户只需要挂载PVC到容器中而不需要关注存储卷采用何种技术实现。</p>
|
||
<p>PVC和PV的关系跟pod和node关系类似，前者消耗后者的资源。PVC可以向PV申请指定大小的存储资源并设置访问模式。</p>
|
||
<p><strong>PV属性 </strong></p>
|
||
<ul>
|
||
<li>storage容量 </li>
|
||
<li>读写属性：分别为ReadWriteOnce：单个节点读写； ReadOnlyMany：多节点只读 ； ReadWriteMany：多节点读写</li>
|
||
</ul>
|
||
<pre><code class="lang-bash">$ cat glusterfs-pv.yaml
|
||
apiVersion: v1
|
||
kind: PersistentVolume
|
||
metadata:
|
||
name: gluster-dev-volume
|
||
spec:
|
||
capacity:
|
||
storage: 8Gi
|
||
accessModes:
|
||
- ReadWriteMany
|
||
glusterfs:
|
||
endpoints: <span class="hljs-string">"glusterfs-cluster"</span>
|
||
path: <span class="hljs-string">"k8s-volume"</span>
|
||
<span class="hljs-built_in">read</span>Only: <span class="hljs-literal">false</span>
|
||
|
||
<span class="hljs-comment"># 导入PV</span>
|
||
$ kubectl apply <span class="hljs-_">-f</span> glusterfs-pv.yaml
|
||
|
||
<span class="hljs-comment"># 查看 pv</span>
|
||
$ kubectl get pv
|
||
NAME CAPACITY ACCESSMODES RECLAIMPOLICY STATUS CLAIM STORAGECLASS REASON AGE
|
||
gluster-dev-volume 8Gi RWX Retain Available 3s
|
||
</code></pre>
|
||
<p>PVC属性</p>
|
||
<ul>
|
||
<li>访问属性与PV相同</li>
|
||
<li>容量：向PV申请的容量 <= PV总容量</li>
|
||
</ul>
|
||
<h2 id="配置pvc">配置PVC</h2>
|
||
<pre><code class="lang-Bash">$ cat glusterfs-pvc.yaml
|
||
kind: PersistentVolumeClaim
|
||
apiVersion: v1
|
||
metadata:
|
||
name: glusterfs-nginx
|
||
spec:
|
||
accessModes:
|
||
- ReadWriteMany
|
||
resources:
|
||
requests:
|
||
storage: 8Gi
|
||
|
||
<span class="hljs-comment"># 导入 pvc</span>
|
||
$ kubectl apply <span class="hljs-_">-f</span> glusterfs-pvc.yaml
|
||
|
||
<span class="hljs-comment"># 查看 pvc</span>
|
||
|
||
$ kubectl get pv
|
||
NAME STATUS VOLUME CAPACITY ACCESSMODES STORAGECLASS AGE
|
||
glusterfs-nginx Bound gluster-dev-volume 8Gi RWX 4s
|
||
</code></pre>
|
||
<h2 id="创建-nginx-deployment-挂载-volume">创建 nginx deployment 挂载 volume</h2>
|
||
<pre><code class="lang-Bash">$ vi nginx-deployment.yaml
|
||
apiVersion: extensions/v1beta1
|
||
kind: Deployment
|
||
metadata:
|
||
name: nginx-dm
|
||
spec:
|
||
replicas: 2
|
||
template:
|
||
metadata:
|
||
labels:
|
||
name: nginx
|
||
spec:
|
||
containers:
|
||
- name: nginx
|
||
image: nginx:alpine
|
||
imagePullPolicy: IfNotPresent
|
||
ports:
|
||
- containerPort: 80
|
||
volumeMounts:
|
||
- name: gluster-dev-volume
|
||
mountPath: <span class="hljs-string">"/usr/share/nginx/html"</span>
|
||
volumes:
|
||
- name: gluster-dev-volume
|
||
persistentVolumeClaim:
|
||
claimName: glusterfs-nginx
|
||
|
||
<span class="hljs-comment"># 导入 deployment</span>
|
||
$ kubectl apply <span class="hljs-_">-f</span> nginx-deployment.yaml
|
||
|
||
<span class="hljs-comment"># 查看 deployment</span>
|
||
$ kubectl get pods |grep nginx-dm
|
||
nginx-dm-3698525684-g0mvt 1/1 Running 0 6s
|
||
nginx-dm-3698525684-hbzq1 1/1 Running 0 6s
|
||
|
||
<span class="hljs-comment"># 查看 挂载</span>
|
||
$ kubectl <span class="hljs-built_in">exec</span> -it nginx-dm-3698525684-g0mvt -- df -h|grep k8s-volume
|
||
172.20.0.113:k8s-volume 1.0T 0 1.0T 0% /usr/share/nginx/html
|
||
|
||
<span class="hljs-comment"># 创建文件 测试</span>
|
||
$ kubectl <span class="hljs-built_in">exec</span> -it nginx-dm-3698525684-g0mvt -- touch /usr/share/nginx/html/index.html
|
||
|
||
$ kubectl <span class="hljs-built_in">exec</span> -it nginx-dm-3698525684-g0mvt -- ls <span class="hljs-_">-lt</span> /usr/share/nginx/html/index.html
|
||
-rw-r--r-- 1 root root 0 May 4 11:36 /usr/share/nginx/html/index.html
|
||
|
||
<span class="hljs-comment"># 验证 glusterfs</span>
|
||
<span class="hljs-comment"># 因为我们使用分布卷，所以可以看到某个节点中有文件</span>
|
||
[root@sz-pg-oam-docker-test-001 ~] ls /opt/gfs_data/
|
||
[root@sz-pg-oam-docker-test-002 ~] ls /opt/gfs_data/
|
||
index.html
|
||
[root@sz-pg-oam-docker-test-003 ~] ls /opt/gfs_data/
|
||
</code></pre>
|
||
<h2 id="参考">参考</h2>
|
||
<p><a href="http://www.cnblogs.com/jicki/p/5801712.html" target="_blank">CentOS 7 安装 GlusterFS</a></p>
|
||
<p><a href="https://github.com/kubernetes/kubernetes/tree/master/examples/volumes/glusterfs" target="_blank">GlusterFS with kubernetes</a></p>
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