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<title>5.1.2.1 Linkerd 使用指南 · Kubernetes Handbook</title>
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<li class="chapter " data-level="1.1" data-path="../">
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<a href="../">
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1. 前言
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</li>
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<li class="chapter " data-level="1.2" data-path="../concepts/">
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<a href="../concepts/">
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2. 概念原理
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.2.1" data-path="../concepts/concepts.html">
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<a href="../concepts/concepts.html">
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2.1 设计理念
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</a>
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</li>
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<li class="chapter " data-level="1.2.2" data-path="../concepts/objects.html">
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<a href="../concepts/objects.html">
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2.2 主要概念
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</a>
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<ul class="articles">
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<li class="chapter " data-level="1.2.2.1" 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="1.2.2.1.1" 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>
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</ul>
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</li>
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<li class="chapter " data-level="1.2.2.2" 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>
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<li class="chapter " data-level="1.2.2.3" 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>
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<li class="chapter " data-level="1.2.2.4" 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="1.2.2.5" 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>
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<li class="chapter " data-level="1.2.2.6" 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="1.2.2.7" data-path="../concepts/secret.html">
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<a href="../concepts/secret.html">
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2.2.7 Secret
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.8" data-path="../concepts/statefulset.html">
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<a href="../concepts/statefulset.html">
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2.2.8 StatefulSet
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.9" data-path="../concepts/daemonset.html">
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<a href="../concepts/daemonset.html">
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2.2.9 DaemonSet
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</a>
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</li>
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<li class="chapter " data-level="1.2.2.10" 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="1.2.2.11" data-path="../concepts/replicaset.html">
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<a href="../concepts/replicaset.html">
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2.2.11 ReplicationController和ReplicaSet
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||
|
||
</a>
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</li>
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|
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<li class="chapter " data-level="1.2.2.12" 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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</li>
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<li class="chapter " data-level="1.2.2.13" data-path="../concepts/cronjob.html">
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<a href="../concepts/cronjob.html">
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2.2.13 CronJob
|
||
|
||
</a>
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||
|
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</li>
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<li class="chapter " data-level="1.2.2.14" 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>
|
||
|
||
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|
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</li>
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|
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<li class="chapter " data-level="1.2.2.15" data-path="../concepts/configmap.html">
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<a href="../concepts/configmap.html">
|
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|
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|
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2.2.15 ConfigMap
|
||
|
||
</a>
|
||
|
||
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||
</li>
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|
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<li class="chapter " data-level="1.2.2.16" data-path="../concepts/horizontal-pod-autoscaling.html">
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<a href="../concepts/horizontal-pod-autoscaling.html">
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||
|
||
|
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2.2.16 Horizontal Pod Autoscaling
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.2.2.17" data-path="../concepts/label.html">
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||
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||
<a href="../concepts/label.html">
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||
|
||
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2.2.17 Label
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
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||
|
||
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||
</ul>
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||
</li>
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||
|
||
|
||
</ul>
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||
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||
</li>
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<li class="chapter " data-level="1.3" data-path="../guide/">
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||
|
||
<a href="../guide/">
|
||
|
||
|
||
3. 用户指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.3.1" data-path="../guide/resource-configuration.html">
|
||
|
||
<a href="../guide/resource-configuration.html">
|
||
|
||
|
||
3.1 资源配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.3.1.1" 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="1.3.1.2" 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>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.3.2" 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="1.3.2.1" data-path="../guide/using-kubectl.html">
|
||
|
||
<a href="../guide/using-kubectl.html">
|
||
|
||
|
||
3.2.1 使用kubectl
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.3.3" data-path="../guide/cluster-management.html">
|
||
|
||
<a href="../guide/cluster-management.html">
|
||
|
||
|
||
3.3 集群管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.3.3.1" 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="1.3.3.2" 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="1.3.3.3" data-path="../guide/tls-bootstrapping.html">
|
||
|
||
<a href="../guide/tls-bootstrapping.html">
|
||
|
||
|
||
3.3.3 TLS bootstrap
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.3.4" 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="1.3.4.1" 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="1.3.4.2" 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="1.3.4.3" 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="1.3.4.4" 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="1.3.5" 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="1.3.5.1" 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="1.3.5.2" 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>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4" data-path="../practice/">
|
||
|
||
<a href="../practice/">
|
||
|
||
|
||
4. 最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.1" data-path="../practice/install-kbernetes1.6-on-centos.html">
|
||
|
||
<a href="../practice/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="1.4.1.1" data-path="../practice/create-tls-and-secret-key.html">
|
||
|
||
<a href="../practice/create-tls-and-secret-key.html">
|
||
|
||
|
||
4.1.1 创建TLS证书和秘钥
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.2" data-path="../practice/create-kubeconfig.html">
|
||
|
||
<a href="../practice/create-kubeconfig.html">
|
||
|
||
|
||
4.1.2 创建kubeconfig文件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.3" data-path="../practice/etcd-cluster-installation.html">
|
||
|
||
<a href="../practice/etcd-cluster-installation.html">
|
||
|
||
|
||
4.1.3 创建高可用etcd集群
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.4" data-path="../practice/kubectl-installation.html">
|
||
|
||
<a href="../practice/kubectl-installation.html">
|
||
|
||
|
||
4.1.4 安装kubectl命令行工具
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.5" data-path="../practice/master-installation.html">
|
||
|
||
<a href="../practice/master-installation.html">
|
||
|
||
|
||
4.1.5 部署master节点
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.6" data-path="../practice/node-installation.html">
|
||
|
||
<a href="../practice/node-installation.html">
|
||
|
||
|
||
4.1.6 部署node节点
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.7" data-path="../practice/kubedns-addon-installation.html">
|
||
|
||
<a href="../practice/kubedns-addon-installation.html">
|
||
|
||
|
||
4.1.7 安装kubedns插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.8" data-path="../practice/dashboard-addon-installation.html">
|
||
|
||
<a href="../practice/dashboard-addon-installation.html">
|
||
|
||
|
||
4.1.8 安装dashboard插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.9" data-path="../practice/heapster-addon-installation.html">
|
||
|
||
<a href="../practice/heapster-addon-installation.html">
|
||
|
||
|
||
4.1.9 安装heapster插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.1.10" data-path="../practice/efk-addon-installation.html">
|
||
|
||
<a href="../practice/efk-addon-installation.html">
|
||
|
||
|
||
4.1.10 安装EFK插件
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.2" data-path="../practice/service-discovery-and-loadbalancing.html">
|
||
|
||
<a href="../practice/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="1.4.2.1" data-path="../practice/traefik-ingress-installation.html">
|
||
|
||
<a href="../practice/traefik-ingress-installation.html">
|
||
|
||
|
||
4.2.1 安装Traefik ingress
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.2.2" data-path="../practice/distributed-load-test.html">
|
||
|
||
<a href="../practice/distributed-load-test.html">
|
||
|
||
|
||
4.2.2 分布式负载测试
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.2.3" data-path="../practice/network-and-cluster-perfermance-test.html">
|
||
|
||
<a href="../practice/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="1.4.2.4" data-path="../practice/edge-node-configuration.html">
|
||
|
||
<a href="../practice/edge-node-configuration.html">
|
||
|
||
|
||
4.2.4 边缘节点配置
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3" data-path="../practice/operation.html">
|
||
|
||
<a href="../practice/operation.html">
|
||
|
||
|
||
4.3 运维管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.3.1" data-path="../practice/service-rolling-update.html">
|
||
|
||
<a href="../practice/service-rolling-update.html">
|
||
|
||
|
||
4.3.1 服务滚动升级
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.2" data-path="../practice/app-log-collection.html">
|
||
|
||
<a href="../practice/app-log-collection.html">
|
||
|
||
|
||
4.3.2 应用日志收集
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.3" data-path="../practice/configuration-best-practice.html">
|
||
|
||
<a href="../practice/configuration-best-practice.html">
|
||
|
||
|
||
4.3.3 配置最佳实践
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.4" data-path="../practice/monitor.html">
|
||
|
||
<a href="../practice/monitor.html">
|
||
|
||
|
||
4.3.4 集群及应用监控
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.3.5" data-path="../practice/jenkins-ci-cd.html">
|
||
|
||
<a href="../practice/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="1.4.3.6" data-path="../practice/data-persistence-problem.html">
|
||
|
||
<a href="../practice/data-persistence-problem.html">
|
||
|
||
|
||
4.3.6 数据持久化问题
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.4.4" data-path="../practice/storage.html">
|
||
|
||
<a href="../practice/storage.html">
|
||
|
||
|
||
4.4 存储管理
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.4.1" data-path="../practice/glusterfs.html">
|
||
|
||
<a href="../practice/glusterfs.html">
|
||
|
||
|
||
4.4.1 GlusterFS
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.4.4.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
|
||
|
||
<a href="../practice/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="1.4.4.1.2" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
|
||
|
||
<a href="../practice/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>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5" data-path="./">
|
||
|
||
<a href="./">
|
||
|
||
|
||
5. 领域应用
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.1" data-path="microservices.html">
|
||
|
||
<a href="microservices.html">
|
||
|
||
|
||
5.1 微服务架构
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.1.1" data-path="istio.html">
|
||
|
||
<a href="istio.html">
|
||
|
||
|
||
5.1.1 Istio
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.1.1.1" data-path="istio-installation.html">
|
||
|
||
<a href="istio-installation.html">
|
||
|
||
|
||
5.1.1.1 安装istio
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.1.2" data-path="configuring-request-routing.html">
|
||
|
||
<a href="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="1.5.1.2" data-path="linkerd.html">
|
||
|
||
<a href="linkerd.html">
|
||
|
||
|
||
5.1.2 Linkerd
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter active" data-level="1.5.1.2.1" data-path="linkerd-user-guide.html">
|
||
|
||
<a href="linkerd-user-guide.html">
|
||
|
||
|
||
5.1.2.1 Linkerd 使用指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.1.3" data-path="service-discovery-in-microservices.html">
|
||
|
||
<a href="service-discovery-in-microservices.html">
|
||
|
||
|
||
5.1.3 微服务中的服务发现
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.5.2" data-path="big-data.html">
|
||
|
||
<a href="big-data.html">
|
||
|
||
|
||
5.2 大数据
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.5.2.1" data-path="spark-on-kubernetes.html">
|
||
|
||
<a href="spark-on-kubernetes.html">
|
||
|
||
|
||
5.2.1 Spark on Kubernetes
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.6" data-path="../develop/">
|
||
|
||
<a href="../develop/">
|
||
|
||
|
||
6. 开发指南
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.6.1" 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="1.6.2" 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="1.6.3" 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="1.6.4" 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="1.7" data-path="../appendix/">
|
||
|
||
<a href="../appendix/">
|
||
|
||
|
||
7. 附录
|
||
|
||
</a>
|
||
|
||
|
||
|
||
<ul class="articles">
|
||
|
||
|
||
<li class="chapter " data-level="1.7.1" 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="1.7.2" data-path="../appendix/issues.html">
|
||
|
||
<a href="../appendix/issues.html">
|
||
|
||
|
||
7.2 问题记录
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
<li class="chapter " data-level="1.7.3" data-path="../appendix/tricks.html">
|
||
|
||
<a href="../appendix/tricks.html">
|
||
|
||
|
||
7.3 使用技巧
|
||
|
||
</a>
|
||
|
||
|
||
|
||
</li>
|
||
|
||
|
||
</ul>
|
||
|
||
</li>
|
||
|
||
|
||
|
||
|
||
<li class="divider"></li>
|
||
|
||
<li>
|
||
<a href="https://www.gitbook.com" target="blank" class="gitbook-link">
|
||
本書使用 GitBook 釋出
|
||
</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=".." >5.1.2.1 Linkerd 使用指南</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="linkerd-使用指南">Linkerd 使用指南</h1>
|
||
<h2 id="前言">前言</h2>
|
||
<p>Linkerd 作为一款 service mesh 与kubernetes 结合后主要有以下几种用法：</p>
|
||
<ol>
|
||
<li>作为服务网关，可以监控 kubernetes 中的服务和实例</li>
|
||
<li>使用 TLS 加密服务</li>
|
||
<li>通过流量转移到持续交付</li>
|
||
<li>开发测试环境（Eat your own dog food）、Ingress 和边缘路由</li>
|
||
<li>给微服务做 staging</li>
|
||
<li>分布式 tracing</li>
|
||
<li>作为 Ingress controller</li>
|
||
<li>使用 gRPC 更方便</li>
|
||
</ol>
|
||
<p>以下我们着重讲解在 kubernetes 中如何使用 linkerd 作为 kubernetes 的 Ingress controller，并作为边缘节点代替 <a href="https://traefik.io" target="_blank">Traefik</a> 的功能，详见 <a href="../practice/edge-node-configuration.html">边缘节点的配置</a>。</p>
|
||
<h2 id="准备">准备</h2>
|
||
<p>安装测试时需要用到的镜像有：</p>
|
||
<pre><code>buoyantio/helloworld:0.1.4
|
||
buoyantio/jenkins-plus:2.60.1
|
||
buoyantio/kubectl:v1.4.0
|
||
buoyantio/linkerd:1.1.2
|
||
buoyantio/namerd:1.1.2
|
||
buoyantio/nginx:1.10.2
|
||
linkerd/namerctl:0.8.6
|
||
openzipkin/zipkin:1.20
|
||
tutum/dnsutils:latest
|
||
</code></pre><p>这些镜像可以直接通过 Docker Hub 获取，我将它们下载下来并上传到了自己的私有镜像仓库 <code>sz-pg-oam-docker-hub-001.tendcloud.com</code> 中，下文中用到的镜像皆来自我的私有镜像仓库，yaml 配置见 <a href="../manifests/linkerd">linkerd</a> 目录，并在使用时将配置中的镜像地址修改为你自己的。</p>
|
||
<h2 id="部署">部署</h2>
|
||
<p>首先需要先创建 RBAC，因为使用 namerd 和 ingress 时需要用到。</p>
|
||
<pre><code class="lang-bash">$ kubectl create <span class="hljs-_">-f</span> linkerd-rbac-beta.yml
|
||
</code></pre>
|
||
<p>Linkerd 提供了 Jenkins 示例，在部署的时候使用以下命令：</p>
|
||
<pre><code class="lang-bash">$ kubectl create <span class="hljs-_">-f</span> jenkins-rbac-beta.yml
|
||
$ kubectl create <span class="hljs-_">-f</span> jenkins.yml
|
||
</code></pre>
|
||
<p>访问 <a href="http://jenkins.jimmysong.io" target="_blank">http://jenkins.jimmysong.io</a></p>
|
||
<figure id="fig1.5.1.2.1.1"><img src="../images/linkerd-jenkins-pipeline.jpg" alt="Jenkins pipeline"><figcaption>Figure: Jenkins pipeline</figcaption></figure>
|
||
<figure id="fig1.5.1.2.1.2"><img src="../images/linkerd-jenkins.jpg" alt="Jenkins config"><figcaption>Figure: Jenkins config</figcaption></figure>
|
||
<p><strong>注意</strong>：要访问 Jenkins 需要在 Ingress 中增加配置，下文会提到。</p>
|
||
<p>在 kubernetes 中使用 Jenkins 的时候需要注意 Pipeline 中的配置：</p>
|
||
<pre><code> def currentVersion = getCurrentVersion()
|
||
def newVersion = getNextVersion(currentVersion)
|
||
def frontendIp = kubectl("get svc l5d -o jsonpath=\"{.status.loadBalancer.ingress[0].*}\"").trim()
|
||
def originalDst = getDst(getDtab())
|
||
</code></pre><p><code>frontendIP</code> 的地址要配置成 service 的 Cluster IP ，因为我们没有用到LoadBalancer。</p>
|
||
<p>需要安装 namerd，namerd 负责 dtab 信息的存储，当然也可以存储在 etcd、consul中。dtab 保存的是路由规则信息，支持递归解析，详见 <a href="https://linkerd.io/in-depth/dtabs/" target="_blank">dtab</a>。</p>
|
||
<p>流量切换主要是通过 <a href="https://linkerd.io/in-depth/dtabs/" target="_blank">dtab</a> 来实现的，通过在 HTTP 请求的 header 中增加 <code>l5d-dtab</code> 和 <code>Host</code> 信息可以对流量分离到 kubernetes 中的不同 service 上。</p>
|
||
<p><strong>遇到的问题</strong></p>
|
||
<p>Failed with the following error(s)
|
||
Error signal dtab is already marked as being deployed!</p>
|
||
<p>因为该 dtab entry 已经存在，需要删除后再运行。</p>
|
||
<p>访问 <a href="http://namerd.jimmysong.io" target="_blank">http://namerd.jimmysong.io</a></p>
|
||
<figure id="fig1.5.1.2.1.3"><img src="../images/namerd-internal.jpg" alt="namerd"><figcaption>Figure: namerd</figcaption></figure>
|
||
<p>dtab 保存在 namerd 中，该页面中的更改不会生效，需要使用命令行来操作。</p>
|
||
<p>使用 <a href="https://github.com/linkerd/namerctl" target="_blank">namerctl</a> 来操作。</p>
|
||
<pre><code class="lang-bash">$ namerctl --base-url http://namerd-backend.jimmysong.io dtab update internal file
|
||
</code></pre>
|
||
<p><strong>注意</strong>：update 时需要将更新文本先写入文件中。</p>
|
||
<h2 id="部署-linkerd">部署 Linkerd</h2>
|
||
<p>直接使用 yaml 文件部署，注意修改镜像仓库地址。</p>
|
||
<pre><code class="lang-bash"><span class="hljs-comment"># 创建 namerd</span>
|
||
$ kubectl create <span class="hljs-_">-f</span> namerd.yaml
|
||
<span class="hljs-comment"># 创建 ingress</span>
|
||
$ kubectl create <span class="hljs-_">-f</span> linkerd-ingress.yml
|
||
<span class="hljs-comment"># 创建测试服务 hello-world</span>
|
||
$ kubectl create <span class="hljs-_">-f</span> hello-world.yml
|
||
<span class="hljs-comment"># 创建 API 服务</span>
|
||
$ kubectl create <span class="hljs-_">-f</span> api.yml
|
||
<span class="hljs-comment"># 创建测试服务 world-v2</span>
|
||
$ kubectl create <span class="hljs-_">-f</span> world-v2.yml
|
||
</code></pre>
|
||
<p>为了在本地调试 linkerd，我们将 linkerd 的 service 加入到 ingress 中，详见 <a href="practice/edge-node-configuration.md">边缘节点配置</a>。</p>
|
||
<p>在 Ingress 中增加如下内容：</p>
|
||
<pre><code class="lang-yaml"><span class="hljs-attr"> - host:</span> linkerd.jimmysong.io
|
||
<span class="hljs-attr"> http:</span>
|
||
<span class="hljs-attr"> paths:</span>
|
||
<span class="hljs-attr"> - path:</span> /
|
||
<span class="hljs-attr"> backend:</span>
|
||
<span class="hljs-attr"> serviceName:</span> l5d
|
||
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">9990</span>
|
||
<span class="hljs-attr"> - host:</span> linkerd-viz.jimmysong.io
|
||
<span class="hljs-attr"> http:</span>
|
||
<span class="hljs-attr"> paths:</span>
|
||
<span class="hljs-attr"> - path:</span> /
|
||
<span class="hljs-attr"> backend:</span>
|
||
<span class="hljs-attr"> serviceName:</span> linkerd-viz
|
||
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">80</span>
|
||
<span class="hljs-attr"> - host:</span> l5d.jimmysong.io
|
||
<span class="hljs-attr"> http:</span>
|
||
<span class="hljs-attr"> paths:</span>
|
||
<span class="hljs-attr"> - path:</span> /
|
||
<span class="hljs-attr"> backend:</span>
|
||
<span class="hljs-attr"> serviceName:</span> l5d
|
||
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">4141</span>
|
||
<span class="hljs-attr"> - host:</span> jenkins.jimmysong.io
|
||
<span class="hljs-attr"> http:</span>
|
||
<span class="hljs-attr"> paths:</span>
|
||
<span class="hljs-attr"> - path:</span> /
|
||
<span class="hljs-attr"> backend:</span>
|
||
<span class="hljs-attr"> serviceName:</span> jenkins
|
||
<span class="hljs-attr"> servicePort:</span> <span class="hljs-number">80</span>
|
||
</code></pre>
|
||
<p>在本地<code>/etc/hosts</code>中添加如下内容：</p>
|
||
<pre><code class="lang-i">172.20.0.119 linkerd.jimmysong.io
|
||
172.20.0.119 linkerd-viz.jimmysong.io
|
||
172.20.0.119 l5d.jimmysong.io
|
||
</code></pre>
|
||
<p><strong>测试路由功能</strong></p>
|
||
<p>使用 curl 简单测试。</p>
|
||
<p>单条测试</p>
|
||
<pre><code class="lang-bash">$ curl <span class="hljs-_">-s</span> -H <span class="hljs-string">"Host: www.hello.world"</span> 172.20.0.120:4141
|
||
Hello (172.30.60.14) world (172.30.71.19)!!%
|
||
</code></pre>
|
||
<p>请注意请求返回的结果，表示访问的是 <code>world-v1</code> service。</p>
|
||
<pre><code class="lang-bash">$ <span class="hljs-keyword">for</span> i <span class="hljs-keyword">in</span> $(seq 0 10000);<span class="hljs-keyword">do</span> <span class="hljs-built_in">echo</span> <span class="hljs-variable">$i</span>;curl <span class="hljs-_">-s</span> -H <span class="hljs-string">"Host: www.hello.world"</span> 172.20.0.120:4141;<span class="hljs-keyword">done</span>
|
||
</code></pre>
|
||
<p>使用 ab test。</p>
|
||
<pre><code class="lang-bash">$ ab -c 4 -n 10000 -H <span class="hljs-string">"Host: www.hello.world"</span> http://172.20.0.120:4141/
|
||
This is ApacheBench, Version 2.3 <<span class="hljs-variable">$Revision</span>: 1757674 $>
|
||
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
|
||
Licensed to The Apache Software Foundation, http://www.apache.org/
|
||
|
||
Benchmarking 172.20.0.120 (be patient)
|
||
Completed 1000 requests
|
||
Completed 2000 requests
|
||
Completed 3000 requests
|
||
Completed 4000 requests
|
||
Completed 5000 requests
|
||
Completed 6000 requests
|
||
Completed 7000 requests
|
||
Completed 8000 requests
|
||
Completed 9000 requests
|
||
Completed 10000 requests
|
||
Finished 10000 requests
|
||
|
||
|
||
Server Software:
|
||
Server Hostname: 172.20.0.120
|
||
Server Port: 4141
|
||
|
||
Document Path: /
|
||
Document Length: 43 bytes
|
||
|
||
Concurrency Level: 4
|
||
Time taken <span class="hljs-keyword">for</span> tests: 262.505 seconds
|
||
Complete requests: 10000
|
||
Failed requests: 0
|
||
Total transferred: 2210000 bytes
|
||
HTML transferred: 430000 bytes
|
||
Requests per second: 38.09 [<span class="hljs-comment">#/sec] (mean)</span>
|
||
Time per request: 105.002 [ms] (mean)
|
||
Time per request: 26.250 [ms] (mean, across all concurrent requests)
|
||
Transfer rate: 8.22 [Kbytes/sec] received
|
||
|
||
Connection Times (ms)
|
||
min mean[+/-sd] median max
|
||
Connect: 36 51 91.1 39 2122
|
||
Processing: 39 54 29.3 46 585
|
||
Waiting: 39 52 20.3 46 362
|
||
Total: 76 105 96.3 88 2216
|
||
|
||
Percentage of the requests served within a certain time (ms)
|
||
50% 88
|
||
66% 93
|
||
75% 99
|
||
80% 103
|
||
90% 119
|
||
95% 146
|
||
98% 253
|
||
99% 397
|
||
100% 2216 (longest request)
|
||
</code></pre>
|
||
<h2 id="监控-kubernets-中的服务与实例">监控 kubernets 中的服务与实例</h2>
|
||
<p>访问 <a href="http://linkerd.jimmysong.io" target="_blank">http://linkerd.jimmysong.io</a> 查看流量情况</p>
|
||
<p>Outcoming </p>
|
||
<figure id="fig1.5.1.2.1.4"><img src="../images/linkerd-helloworld-outgoing.jpg" alt="linkerd监控"><figcaption>Figure: linkerd监控</figcaption></figure>
|
||
<p>Incoming</p>
|
||
<figure id="fig1.5.1.2.1.5"><img src="../images/linkerd-helloworld-incoming.jpg" alt="linkerd监控"><figcaption>Figure: linkerd监控</figcaption></figure>
|
||
<p>访问 <a href="http://linkerd-viz.jimmysong.io" target="_blank">http://linkerd-viz.jimmysong.io</a> 查看应用 metric 监控</p>
|
||
<figure id="fig1.5.1.2.1.6"><img src="../images/linkerd-grafana.png" alt="linkerd性能监控"><figcaption>Figure: linkerd性能监控</figcaption></figure>
|
||
<h2 id="测试路由">测试路由</h2>
|
||
<p>测试在 http header 中增加 dtab 规则。</p>
|
||
<pre><code class="lang-bash">$ curl -H <span class="hljs-string">"Host: www.hello.world"</span> -H <span class="hljs-string">"l5d-dtab:/host/world => /srv/world-v2;"</span> 172.20.0.120:4141
|
||
Hello (172.30.60.14) earth (172.30.94.40)!!
|
||
</code></pre>
|
||
<p>请注意调用返回的结果，表示调用的是 <code>world-v2</code> 的 service。</p>
|
||
<p>另外再对比 ab test 的结果与 <code>linkerd-viz</code> 页面上的结果，可以看到结果一致。</p>
|
||
<p>但是我们可能不想把该功能暴露给所有人，所以可以在前端部署一个 nginx 来过滤 header 中的 <code>l5d-dtab</code> 打头的字段，并通过设置 cookie 的方式来替代 header 里的 <code>l5d-dtab</code> 字段。</p>
|
||
<pre><code class="lang-bash">$ http_proxy=http://172.20.0.120:4141 curl <span class="hljs-_">-s</span> http:/hello
|
||
Hello (172.30.60.14) world (172.30.71.19)!!
|
||
</code></pre>
|
||
<h2 id="将-linkerd-作为-ingress-controller">将 Linkerd 作为 Ingress controller</h2>
|
||
<p>将 Linkerd 作为 kubernetes ingress controller 的方式跟将 Treafik 作为 ingress controller 的过程过程完全一样，可以直接参考 <a href="../practice/edge-node-configuration.html">边缘节点配置</a>。</p>
|
||
<p>架构如下图所示。</p>
|
||
<figure id="fig1.5.1.2.1.7"><img src="../images/linkerd-ingress-controller.jpg" alt="Linkerd ingress controller"><figcaption>Figure: Linkerd ingress controller</figcaption></figure>
|
||
<p><em>(图片来自 A Service Mesh for Kubernetes - Buoyant.io)</em></p>
|
||
<p>当然可以绕过 kubernetes ingress controller 直接使用 linkerd 作为边界路由，通过 dtab 和 linkerd 前面的 nginx 来路由流量。</p>
|
||
<h2 id="参考">参考</h2>
|
||
<p><a href="https://github.com/linkerd/linkerd-examples/" target="_blank">https://github.com/linkerd/linkerd-examples/</a></p>
|
||
<p><a href="https://cdn2.hubspot.net/hubfs/2818724/A%20Service%20Mesh%20for%20Kubernetes_Final.pdf" target="_blank">A Service Mesh for Kubernetes</a></p>
|
||
<p><a href="https://linkerd.io/in-depth/dtabs/" target="_blank">dtab</a> </p>
|
||
<footer class="page-footer-ex"> <span class="page-footer-ex-copyright">for GitBook</span>           <span class="page-footer-ex-footer-update">update
|
||
2017-08-21 18:23:35
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