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<title>配置Pod的liveness和readiness探针 · Kubernetes Handbook - jimmysong.io</title>
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<a href="https://jimmysong.io" target="_blank" class="custom-link">Jimmy Song</a>
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<li class="header">前言</li>
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<b>1.1.</b>
序言
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<li class="chapter " data-level="1.2" data-path="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<a href="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
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<b>1.2.</b>
Kubernetes与云原生应用概览
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<li class="header">概念与原理</li>
<li class="chapter " data-level="2.1" data-path="../concepts/">
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<a href="../concepts/">
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<b>2.1.</b>
Kubernetes架构
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</a>
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</li>
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<li class="chapter " data-level="2.2" data-path="../concepts/concepts.html">
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<a href="../concepts/concepts.html">
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<b>2.2.</b>
设计理念
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</a>
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<li class="chapter " data-level="2.3" data-path="../concepts/objects.html">
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<a href="../concepts/objects.html">
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<b>2.3.</b>
资源对象与基本概念解析
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<ul class="articles">
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<li class="chapter " data-level="2.3.1" data-path="../concepts/pod-overview.html">
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<a href="../concepts/pod-overview.html">
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<b>2.3.1.</b>
Pod
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</a>
<ul class="articles">
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<li class="chapter " data-level="2.3.1.1" data-path="../concepts/pod.html">
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<a href="../concepts/pod.html">
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<b>2.3.1.1.</b>
Pod解析
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</a>
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</li>
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<li class="chapter " data-level="2.3.1.2" data-path="../concepts/init-containers.html">
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<a href="../concepts/init-containers.html">
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<b>2.3.1.2.</b>
Init容器
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</a>
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</li>
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<li class="chapter " data-level="2.3.1.3" data-path="../concepts/pod-security-policy.html">
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<a href="../concepts/pod-security-policy.html">
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<b>2.3.1.3.</b>
Pod安全策略
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</a>
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</li>
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<li class="chapter " data-level="2.3.1.4" data-path="../concepts/pod-lifecycle.html">
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<a href="../concepts/pod-lifecycle.html">
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<b>2.3.1.4.</b>
Pod的生命周期
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</a>
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<li class="chapter " data-level="2.3.1.5" data-path="../concepts/pod-hook.html">
<a href="../concepts/pod-hook.html">
<b>2.3.1.5.</b>
Pod hook
</a>
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</li>
<li class="chapter " data-level="2.3.1.6" data-path="../concepts/pod-preset.html">
<a href="../concepts/pod-preset.html">
<b>2.3.1.6.</b>
Pod Preset
</a>
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<li class="chapter " data-level="2.3.2" data-path="../concepts/node.html">
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<a href="../concepts/node.html">
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<b>2.3.2.</b>
Node
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</a>
</li>
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<li class="chapter " data-level="2.3.3" data-path="../concepts/namespace.html">
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<a href="../concepts/namespace.html">
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<b>2.3.3.</b>
Namespace
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</a>
</li>
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<li class="chapter " data-level="2.3.4" data-path="../concepts/service.html">
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<a href="../concepts/service.html">
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<b>2.3.4.</b>
Service
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</a>
</li>
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<li class="chapter " data-level="2.3.5" data-path="../concepts/volume.html">
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<a href="../concepts/volume.html">
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<b>2.3.5.</b>
Volume和Persistent Volume
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</a>
</li>
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<li class="chapter " data-level="2.3.6" data-path="../concepts/deployment.html">
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<a href="../concepts/deployment.html">
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<b>2.3.6.</b>
Deployment
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</a>
</li>
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<li class="chapter " data-level="2.3.7" data-path="../concepts/secret.html">
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<a href="../concepts/secret.html">
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<b>2.3.7.</b>
Secret
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</a>
</li>
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<li class="chapter " data-level="2.3.8" data-path="../concepts/statefulset.html">
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<a href="../concepts/statefulset.html">
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<b>2.3.8.</b>
StatefulSet
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</a>
</li>
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<li class="chapter " data-level="2.3.9" data-path="../concepts/daemonset.html">
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<a href="../concepts/daemonset.html">
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<b>2.3.9.</b>
DaemonSet
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</a>
</li>
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<li class="chapter " data-level="2.3.10" data-path="../concepts/serviceaccount.html">
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<a href="../concepts/serviceaccount.html">
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<b>2.3.10.</b>
ServiceAccount
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</a>
</li>
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<li class="chapter " data-level="2.3.11" data-path="../concepts/replicaset.html">
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<a href="../concepts/replicaset.html">
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<b>2.3.11.</b>
ReplicationController和ReplicaSet
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</a>
</li>
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<li class="chapter " data-level="2.3.12" data-path="../concepts/job.html">
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<a href="../concepts/job.html">
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<b>2.3.12.</b>
Job
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</a>
</li>
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<li class="chapter " data-level="2.3.13" data-path="../concepts/cronjob.html">
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<a href="../concepts/cronjob.html">
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<b>2.3.13.</b>
CronJob
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</a>
</li>
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<li class="chapter " data-level="2.3.14" data-path="../concepts/ingress.html">
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<a href="../concepts/ingress.html">
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<b>2.3.14.</b>
Ingress
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</a>
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<ul class="articles">
<li class="chapter " data-level="2.3.14.1" data-path="../concepts/traefik-ingress-controller.html">
<a href="../concepts/traefik-ingress-controller.html">
<b>2.3.14.1.</b>
Traefik Ingress Controller
</a>
</li>
</ul>
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</li>
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<li class="chapter " data-level="2.3.15" data-path="../concepts/configmap.html">
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<a href="../concepts/configmap.html">
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<b>2.3.15.</b>
ConfigMap
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</a>
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<ul class="articles">
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<li class="chapter " data-level="2.3.15.1" data-path="../concepts/configmap-hot-update.html">
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<a href="../concepts/configmap-hot-update.html">
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<b>2.3.15.1.</b>
ConfigMap的热更新
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</a>
</li>
</ul>
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</li>
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<li class="chapter " data-level="2.3.16" data-path="../concepts/horizontal-pod-autoscaling.html">
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<a href="../concepts/horizontal-pod-autoscaling.html">
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<b>2.3.16.</b>
Horizontal Pod Autoscaling
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</a>
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<ul class="articles">
<li class="chapter " data-level="2.3.16.1" data-path="../concepts/custom-metrics-hpa.html">
<a href="../concepts/custom-metrics-hpa.html">
<b>2.3.16.1.</b>
自定义指标HPA
</a>
</li>
</ul>
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</li>
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<li class="chapter " data-level="2.3.17" data-path="../concepts/label.html">
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<a href="../concepts/label.html">
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<b>2.3.17.</b>
Label
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</a>
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</li>
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<li class="chapter " data-level="2.3.18" data-path="../concepts/garbage-collection.html">
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<a href="../concepts/garbage-collection.html">
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<b>2.3.18.</b>
垃圾收集
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</a>
</li>
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<li class="chapter " data-level="2.3.19" data-path="../concepts/network-policy.html">
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<a href="../concepts/network-policy.html">
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<b>2.3.19.</b>
NetworkPolicy
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</a>
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</li>
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<li class="chapter " data-level="2.3.20" data-path="../concepts/annotation.html">
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<a href="../concepts/annotation.html">
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<b>2.3.20.</b>
Annotation
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</a>
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</li>
<li class="chapter " data-level="2.3.21" data-path="../concepts/aggregated-api-server.html">
<a href="../concepts/aggregated-api-server.html">
<b>2.3.21.</b>
Aggregated API Server
</a>
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</li>
<li class="chapter " data-level="2.3.22" data-path="../concepts/custom-resource.html">
<a href="../concepts/custom-resource.html">
<b>2.3.22.</b>
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使用自定义资源扩展API
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</a>
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</li>
<li class="chapter " data-level="2.3.23" data-path="../concepts/apiservice.html">
<a href="../concepts/apiservice.html">
<b>2.3.23.</b>
APIService
</a>
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</li>
</ul>
</li>
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<li class="header">用户指南</li>
<li class="chapter " data-level="3.1" data-path="./">
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<a href="./">
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<b>3.1.</b>
用户指南
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</a>
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</li>
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2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.2" data-path="resource-configuration.html">
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<a href="resource-configuration.html">
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<b>3.2.</b>
资源对象配置
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</a>
<ul class="articles">
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<li class="chapter active" data-level="3.2.1" data-path="configure-liveness-readiness-probes.html">
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<a href="configure-liveness-readiness-probes.html">
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<b>3.2.1.</b>
配置Pod的liveness和readiness探针
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</a>
</li>
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<li class="chapter " data-level="3.2.2" data-path="configure-pod-service-account.html">
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<a href="configure-pod-service-account.html">
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<b>3.2.2.</b>
配置Pod的Service Account
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</a>
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</li>
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<li class="chapter " data-level="3.2.3" data-path="secret-configuration.html">
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<a href="secret-configuration.html">
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<b>3.2.3.</b>
Secret配置
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</a>
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</li>
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<li class="chapter " data-level="3.2.4" data-path="resource-quota-management.html">
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<a href="resource-quota-management.html">
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<b>3.2.4.</b>
管理namespace中的资源配额
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</a>
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</li>
</ul>
</li>
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<li class="chapter " data-level="3.3" data-path="command-usage.html">
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<a href="command-usage.html">
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<b>3.3.</b>
命令使用
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</a>
<ul class="articles">
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<li class="chapter " data-level="3.3.1" data-path="docker-cli-to-kubectl.html">
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<a href="docker-cli-to-kubectl.html">
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<b>3.3.1.</b>
docker用户过度到kubectl命令行指南
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</a>
</li>
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<li class="chapter " data-level="3.3.2" data-path="using-kubectl.html">
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<a href="using-kubectl.html">
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<b>3.3.2.</b>
kubectl命令概览
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</a>
</li>
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<li class="chapter " data-level="3.3.3" data-path="kubectl-cheatsheet.html">
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<a href="kubectl-cheatsheet.html">
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<b>3.3.3.</b>
kubectl命令技巧大全
</a>
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</li>
<li class="chapter " data-level="3.3.4" data-path="using-etcdctl-to-access-kubernetes-data.html">
<a href="using-etcdctl-to-access-kubernetes-data.html">
<b>3.3.4.</b>
使用etcdctl访问kuberentes数据
</a>
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</li>
</ul>
</li>
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<li class="chapter " data-level="3.4" data-path="cluster-security-management.html">
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<a href="cluster-security-management.html">
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<b>3.4.</b>
集群安全性管理
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</a>
<ul class="articles">
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<li class="chapter " data-level="3.4.1" data-path="managing-tls-in-a-cluster.html">
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<a href="managing-tls-in-a-cluster.html">
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<b>3.4.1.</b>
管理集群中的TLS
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</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.4.2" data-path="kubelet-authentication-authorization.html">
<a href="kubelet-authentication-authorization.html">
2017-11-15 21:18:59 +08:00
<b>3.4.2.</b>
kubelet的认证授权
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.4.3" data-path="tls-bootstrapping.html">
<a href="tls-bootstrapping.html">
2017-11-15 21:18:59 +08:00
<b>3.4.3.</b>
TLS bootstrap
</a>
2017-08-31 14:23:44 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.4.4" data-path="kubectl-user-authentication-authorization.html">
2017-08-31 14:23:44 +08:00
<a href="kubectl-user-authentication-authorization.html">
2017-11-15 21:18:59 +08:00
<b>3.4.4.</b>
创建用户认证授权的kubeconfig文件
2017-08-31 14:23:44 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.4.5" data-path="rbac.html">
2017-08-31 14:23:44 +08:00
<a href="rbac.html">
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<b>3.4.5.</b>
RBAC——基于角色的访问控制
2017-08-31 14:23:44 +08:00
</a>
2017-09-07 14:13:59 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.4.6" data-path="ip-masq-agent.html">
2017-09-07 14:13:59 +08:00
<a href="ip-masq-agent.html">
2017-11-15 21:18:59 +08:00
<b>3.4.6.</b>
IP伪装代理
2017-09-07 14:13:59 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.4.7" data-path="auth-with-kubeconfig-or-token.html">
<a href="auth-with-kubeconfig-or-token.html">
2017-11-15 21:18:59 +08:00
<b>3.4.7.</b>
使用kubeconfig或token进行用户身份认证
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.4.8" data-path="authentication.html">
<a href="authentication.html">
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<b>3.4.8.</b>
kubernetes中的用户与身份认证授权
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.5" data-path="access-kubernetes-cluster.html">
2017-08-21 17:44:43 +08:00
<a href="access-kubernetes-cluster.html">
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<b>3.5.</b>
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访问Kubernetes集群
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</a>
<ul class="articles">
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<li class="chapter " data-level="3.5.1" data-path="access-cluster.html">
2017-08-21 17:44:43 +08:00
<a href="access-cluster.html">
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<b>3.5.1.</b>
访问集群
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</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.5.2" data-path="authenticate-across-clusters-kubeconfig.html">
2017-08-21 17:44:43 +08:00
<a href="authenticate-across-clusters-kubeconfig.html">
2017-11-15 21:18:59 +08:00
<b>3.5.2.</b>
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使用kubeconfig文件配置跨集群认证
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</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.5.3" data-path="connecting-to-applications-port-forward.html">
2017-08-21 17:44:43 +08:00
<a href="connecting-to-applications-port-forward.html">
2017-11-15 21:18:59 +08:00
<b>3.5.3.</b>
通过端口转发访问集群中的应用程序
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.5.4" data-path="service-access-application-cluster.html">
2017-08-21 17:44:43 +08:00
<a href="service-access-application-cluster.html">
2017-11-15 21:18:59 +08:00
<b>3.5.4.</b>
2017-11-21 20:10:10 +08:00
使用service访问群集中的应用程序
</a>
</li>
<li class="chapter " data-level="3.5.5" data-path="accessing-kubernetes-pods-from-outside-of-the-cluster.html">
<a href="accessing-kubernetes-pods-from-outside-of-the-cluster.html">
<b>3.5.5.</b>
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>
<li class="chapter " data-level="3.5.6" data-path="carbin-mobile-dashboard-for-kubernetes.html">
<a href="carbin-mobile-dashboard-for-kubernetes.html">
<b>3.5.6.</b>
Carbin - Kuberentes手机客户端
</a>
2017-11-29 15:07:48 +08:00
</li>
<li class="chapter " data-level="3.5.7" data-path="kubernetes-desktop-client.html">
<a href="kubernetes-desktop-client.html">
<b>3.5.7.</b>
Kubernetic - Kubernetes桌面客户端
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.6" data-path="application-development-deployment-flow.html">
2017-08-21 17:44:43 +08:00
<a href="application-development-deployment-flow.html">
2017-11-15 21:18:59 +08:00
<b>3.6.</b>
在kubernetes中开发部署应用
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</a>
<ul class="articles">
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<li class="chapter " data-level="3.6.1" data-path="deploy-applications-in-kubernetes.html">
2017-08-21 17:44:43 +08:00
<a href="deploy-applications-in-kubernetes.html">
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<b>3.6.1.</b>
适用于kubernetes的应用开发部署流程
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</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.6.2" data-path="migrating-hadoop-yarn-to-kubernetes.html">
<a href="migrating-hadoop-yarn-to-kubernetes.html">
2017-11-15 21:18:59 +08:00
<b>3.6.2.</b>
迁移传统应用到kubernetes中——以Hadoop YARN为例
</a>
2017-10-23 13:40:58 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="3.6.3" data-path="using-statefulset.html">
2017-10-23 13:40:58 +08:00
<a href="using-statefulset.html">
2017-11-15 21:18:59 +08:00
<b>3.6.3.</b>
使用StatefulSet部署用状态应用
2017-10-23 13:40:58 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
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<li class="header">最佳实践</li>
<li class="chapter " data-level="4.1" data-path="../practice/">
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<a href="../practice/">
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<b>4.1.</b>
最佳实践概览
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</a>
2017-11-15 21:18:59 +08:00
</li>
2017-08-21 17:44:43 +08:00
2017-12-19 17:59:00 +08:00
<li class="chapter " data-level="4.2" 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
2017-11-15 21:18:59 +08:00
<b>4.2.</b>
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在CentOS上部署kubernetes集群
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</a>
<ul class="articles">
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<li class="chapter " data-level="4.2.1" 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">
2017-11-15 21:18:59 +08:00
<b>4.2.1.</b>
创建TLS证书和秘钥
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.2" data-path="../practice/create-kubeconfig.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/create-kubeconfig.html">
2017-11-15 21:18:59 +08:00
<b>4.2.2.</b>
创建kubeconfig文件
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.3" data-path="../practice/etcd-cluster-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/etcd-cluster-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.3.</b>
创建高可用etcd集群
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.4" data-path="../practice/kubectl-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/kubectl-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.4.</b>
安装kubectl命令行工具
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.2.5" data-path="../practice/master-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/master-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.2.5.</b>
部署master节点
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</a>
</li>
2017-12-19 17:59:00 +08:00
<li class="chapter " data-level="4.2.6" 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
2017-11-15 21:18:59 +08:00
<b>4.2.6.</b>
2017-12-19 17:59:00 +08:00
安装flannel网络插件
</a>
</li>
<li class="chapter " data-level="4.2.7" data-path="../practice/node-installation.html">
<a href="../practice/node-installation.html">
<b>4.2.7.</b>
2017-11-15 21:18:59 +08:00
部署node节点
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-12-19 17:59:00 +08:00
<li class="chapter " data-level="4.2.8" data-path="../practice/kubedns-addon-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/kubedns-addon-installation.html">
2017-12-19 17:59:00 +08:00
<b>4.2.8.</b>
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安装kubedns插件
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-12-19 17:59:00 +08:00
<li class="chapter " data-level="4.2.9" data-path="../practice/dashboard-addon-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/dashboard-addon-installation.html">
2017-12-19 17:59:00 +08:00
<b>4.2.9.</b>
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安装dashboard插件
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-12-19 17:59:00 +08:00
<li class="chapter " data-level="4.2.10" data-path="../practice/heapster-addon-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/heapster-addon-installation.html">
2017-12-19 17:59:00 +08:00
<b>4.2.10.</b>
2017-11-15 21:18:59 +08:00
安装heapster插件
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-12-19 17:59:00 +08:00
<li class="chapter " data-level="4.2.11" data-path="../practice/efk-addon-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/efk-addon-installation.html">
2017-12-19 17:59:00 +08:00
<b>4.2.11.</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>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.3" data-path="../practice/service-discovery-and-loadbalancing.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/service-discovery-and-loadbalancing.html">
2017-11-15 21:18:59 +08:00
<b>4.3.</b>
服务发现与负载均衡
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</a>
<ul class="articles">
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<li class="chapter " data-level="4.3.1" data-path="../practice/traefik-ingress-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/traefik-ingress-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.3.1.</b>
安装Traefik ingress
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</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.3.2" data-path="../practice/distributed-load-test.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/distributed-load-test.html">
2017-11-15 21:18:59 +08:00
<b>4.3.2.</b>
分布式负载测试
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.3.3" data-path="../practice/network-and-cluster-perfermance-test.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/network-and-cluster-perfermance-test.html">
2017-11-15 21:18:59 +08:00
<b>4.3.3.</b>
网络和集群性能测试
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.3.4" data-path="../practice/edge-node-configuration.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/edge-node-configuration.html">
2017-11-15 21:18:59 +08:00
<b>4.3.4.</b>
边缘节点配置
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</a>
2017-10-27 19:09:01 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.3.5" data-path="../practice/nginx-ingress-installation.html">
2017-10-27 19:09:01 +08:00
<a href="../practice/nginx-ingress-installation.html">
2017-11-15 21:18:59 +08:00
<b>4.3.5.</b>
安装Nginx ingress
2017-10-27 19:09:01 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4" data-path="../practice/operation.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/operation.html">
2017-11-15 21:18:59 +08:00
<b>4.4.</b>
运维管理
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</a>
<ul class="articles">
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<li class="chapter " data-level="4.4.1" data-path="../practice/service-rolling-update.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/service-rolling-update.html">
2017-11-15 21:18:59 +08:00
<b>4.4.1.</b>
服务滚动升级
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4.2" data-path="../practice/app-log-collection.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/app-log-collection.html">
2017-11-15 21:18:59 +08:00
<b>4.4.2.</b>
应用日志收集
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4.3" data-path="../practice/configuration-best-practice.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/configuration-best-practice.html">
2017-11-15 21:18:59 +08:00
<b>4.4.3.</b>
配置最佳实践
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4.4" data-path="../practice/monitor.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/monitor.html">
2017-11-15 21:18:59 +08:00
<b>4.4.4.</b>
集群及应用监控
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4.5" data-path="../practice/data-persistence-problem.html">
2017-08-21 17:44:43 +08:00
<a href="../practice/data-persistence-problem.html">
2017-11-15 21:18:59 +08:00
<b>4.4.5.</b>
数据持久化问题
2017-08-21 17:44:43 +08:00
</a>
2017-09-03 15:58:39 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.4.6" data-path="../practice/manage-compute-resources-container.html">
2017-09-03 15:58:39 +08:00
<a href="../practice/manage-compute-resources-container.html">
2017-11-15 21:18:59 +08:00
<b>4.4.6.</b>
管理容器的计算资源
2017-09-03 15:58:39 +08:00
</a>
</li>
2017-11-09 10:55:38 +08:00
</ul>
2017-11-09 10:55:38 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.5" data-path="../practice/storage.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/storage.html">
2017-11-15 21:18:59 +08:00
<b>4.5.</b>
存储管理
2017-11-09 10:55:38 +08:00
</a>
<ul class="articles">
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<li class="chapter " data-level="4.5.1" data-path="../practice/glusterfs.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/glusterfs.html">
2017-11-15 21:18:59 +08:00
<b>4.5.1.</b>
GlusterFS
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</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.5.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/using-glusterfs-for-persistent-storage.html">
2017-11-15 21:18:59 +08:00
<b>4.5.1.1.</b>
使用GlusterFS做持久化存储
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.5.1.2" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
2017-11-15 21:18:59 +08:00
<b>4.5.1.2.</b>
在OpenShift中使用GlusterFS做持久化存储
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.5.2" data-path="../practice/cephfs.html">
2017-08-21 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
2017-11-15 21:18:59 +08:00
<b>4.5.2.</b>
CephFS
2017-08-21 17:44:43 +08:00
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.5.2.1" data-path="../practice/using-ceph-for-persistent-storage.html">
2017-08-21 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
2017-11-15 21:18:59 +08:00
<b>4.5.2.1.</b>
使用Ceph做持久化存储
2017-11-09 10:55:38 +08:00
</a>
</li>
</ul>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.6" data-path="../practice/monitoring.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/monitoring.html">
2017-11-15 21:18:59 +08:00
<b>4.6.</b>
集群与应用监控
2017-08-21 17:44:43 +08:00
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.6.1" data-path="../practice/heapster.html">
2017-08-21 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
2017-11-15 21:18:59 +08:00
<b>4.6.1.</b>
Heapster
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</a>
2017-11-09 10:55:38 +08:00
<ul class="articles">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.6.1.1" data-path="../practice/using-heapster-to-get-object-metrics.html">
2017-08-21 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
2017-11-15 21:18:59 +08:00
<b>4.6.1.1.</b>
使用Heapster获取集群和对象的metric数据
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</a>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.6.2" data-path="../practice/prometheus.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/prometheus.html">
2017-11-15 21:18:59 +08:00
<b>4.6.2.</b>
Prometheus
</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.6.2.1" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
2017-11-09 10:55:38 +08:00
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
2017-11-15 21:18:59 +08:00
<b>4.6.2.1.</b>
使用Prometheus监控kubernetes集群
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
</ul>
2017-10-19 15:31:08 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.7" data-path="../practice/services-management-tool.html">
2017-10-19 15:31:08 +08:00
<a href="../practice/services-management-tool.html">
2017-11-15 21:18:59 +08:00
<b>4.7.</b>
服务编排管理
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</a>
2017-10-20 16:22:43 +08:00
<ul class="articles">
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<li class="chapter " data-level="4.7.1" data-path="../practice/helm.html">
2017-10-20 16:22:43 +08:00
<a href="../practice/helm.html">
2017-11-15 21:18:59 +08:00
<b>4.7.1.</b>
使用Helm管理kubernetes应用
2017-10-20 16:22:43 +08:00
</a>
2017-10-27 11:59:37 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.7.2" data-path="../practice/create-private-charts-repo.html">
2017-10-27 11:59:37 +08:00
<a href="../practice/create-private-charts-repo.html">
2017-11-15 21:18:59 +08:00
<b>4.7.2.</b>
构建私有Chart仓库
2017-10-27 11:59:37 +08:00
</a>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.8" data-path="../practice/ci-cd.html">
2017-10-27 11:59:37 +08:00
<a href="../practice/ci-cd.html">
2017-11-15 21:18:59 +08:00
<b>4.8.</b>
持续集成与发布
2017-10-27 11:59:37 +08:00
</a>
<ul class="articles">
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<li class="chapter " data-level="4.8.1" data-path="../practice/jenkins-ci-cd.html">
2017-10-27 11:59:37 +08:00
<a href="../practice/jenkins-ci-cd.html">
2017-11-15 21:18:59 +08:00
<b>4.8.1.</b>
使用Jenkins进行持续集成与发布
2017-10-27 11:59:37 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.8.2" data-path="../practice/drone-ci-cd.html">
2017-10-27 11:59:37 +08:00
<a href="../practice/drone-ci-cd.html">
2017-11-15 21:18:59 +08:00
<b>4.8.2.</b>
使用Drone进行持续集成与发布
2017-10-27 11:59:37 +08:00
</a>
2017-11-02 16:33:01 +08:00
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.9" data-path="../practice/update-and-upgrade.html">
2017-11-02 16:33:01 +08:00
<a href="../practice/update-and-upgrade.html">
2017-11-15 21:18:59 +08:00
<b>4.9.</b>
更新与升级
2017-11-02 16:33:01 +08:00
</a>
<ul class="articles">
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<li class="chapter " data-level="4.9.1" data-path="../practice/manually-upgrade.html">
2017-11-02 16:33:01 +08:00
<a href="../practice/manually-upgrade.html">
2017-11-15 21:18:59 +08:00
<b>4.9.1.</b>
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手动升级kubernetes集群
2017-11-02 16:33:01 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="4.9.2" data-path="../practice/dashboard-upgrade.html">
2017-11-02 16:33:01 +08:00
<a href="../practice/dashboard-upgrade.html">
2017-11-15 21:18:59 +08:00
<b>4.9.2.</b>
升级dashboard
2017-11-02 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>
<li class="chapter " data-level="5.1" data-path="../usecases/">
2017-08-21 17:44:43 +08:00
<a href="../usecases/">
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<b>5.1.</b>
领域应用概览
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</a>
2017-11-15 21:18:59 +08:00
</li>
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.2" data-path="../usecases/microservices.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/microservices.html">
2017-11-15 21:18:59 +08:00
<b>5.2.</b>
微服务架构
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</a>
<ul class="articles">
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<li class="chapter " data-level="5.2.1" data-path="../usecases/service-discovery-in-microservices.html">
2017-09-20 21:55:19 +08:00
<a href="../usecases/service-discovery-in-microservices.html">
2017-11-15 21:18:59 +08:00
<b>5.2.1.</b>
微服务中的服务发现
2017-09-20 21:55:19 +08:00
</a>
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3" data-path="../usecases/service-mesh.html">
2017-09-20 21:55:19 +08:00
<a href="../usecases/service-mesh.html">
2017-11-15 21:18:59 +08:00
<b>5.3.</b>
Service Mesh 服务网格
2017-09-20 21:55:19 +08:00
</a>
<ul class="articles">
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<li class="chapter " data-level="5.3.1" data-path="../usecases/istio.html">
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<a href="../usecases/istio.html">
2017-11-15 21:18:59 +08:00
<b>5.3.1.</b>
Istio
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</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.1.1" data-path="../usecases/istio-installation.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/istio-installation.html">
2017-11-15 21:18:59 +08:00
<b>5.3.1.1.</b>
安装并试用Istio service mesh
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.1.2" data-path="../usecases/configuring-request-routing.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/configuring-request-routing.html">
2017-11-15 21:18:59 +08:00
<b>5.3.1.2.</b>
配置请求的路由规则
2017-08-21 17:44:43 +08:00
</a>
2017-11-07 23:57:26 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.1.3" data-path="../usecases/install-and-expand-istio-mesh.html">
2017-11-07 23:57:26 +08:00
<a href="../usecases/install-and-expand-istio-mesh.html">
2017-11-15 21:18:59 +08:00
<b>5.3.1.3.</b>
安装和拓展Istio service mesh
2017-11-07 23:57:26 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.1.4" data-path="../usecases/integrating-vms.html">
2017-11-07 23:57:26 +08:00
<a href="../usecases/integrating-vms.html">
2017-11-15 21:18:59 +08:00
<b>5.3.1.4.</b>
集成虚拟机
2017-11-07 23:57:26 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
</ul>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.3.2" data-path="../usecases/linkerd.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/linkerd.html">
2017-11-15 21:18:59 +08:00
<b>5.3.2.</b>
Linkerd
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</a>
<ul class="articles">
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<li class="chapter " data-level="5.3.2.1" data-path="../usecases/linkerd-user-guide.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/linkerd-user-guide.html">
2017-11-15 21:18:59 +08:00
<b>5.3.2.1.</b>
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>
<li class="chapter " data-level="5.3.3" data-path="../usecases/conduit.html">
<a href="../usecases/conduit.html">
<b>5.3.3.</b>
Conduit
</a>
2017-12-11 14:21:24 +08:00
<ul class="articles">
<li class="chapter " data-level="5.3.3.1" data-path="../usecases/conduit-overview.html">
<a href="../usecases/conduit-overview.html">
<b>5.3.3.1.</b>
Condiut概览
</a>
2017-12-12 23:30:36 +08:00
</li>
<li class="chapter " data-level="5.3.3.2" data-path="../usecases/conduit-installation.html">
<a href="../usecases/conduit-installation.html">
<b>5.3.3.2.</b>
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>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.4" data-path="../usecases/big-data.html">
2017-08-21 17:44:43 +08:00
<a href="../usecases/big-data.html">
2017-11-15 21:18:59 +08:00
<b>5.4.</b>
大数据
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</a>
<ul class="articles">
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.4.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
2017-08-21 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
2017-11-15 21:18:59 +08:00
<b>5.4.1.</b>
Spark standalone on Kubernetes
2017-08-21 17:44:43 +08:00
</a>
2017-08-31 14:23:44 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.4.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
2017-08-31 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
2017-11-15 21:18:59 +08:00
<b>5.4.2.</b>
运行支持kubernetes原生调度的Spark程序
2017-08-31 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>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.5" data-path="../usecases/serverless.html">
2017-08-30 16:52:33 +08:00
<a href="../usecases/serverless.html">
2017-11-15 21:18:59 +08:00
<b>5.5.</b>
Serverless架构
2017-08-30 16:52:33 +08:00
</a>
2017-11-23 11:03:04 +08:00
<ul class="articles">
<li class="chapter " data-level="5.5.1" data-path="../usecases/understanding-serverless.html">
<a href="../usecases/understanding-serverless.html">
<b>5.5.1.</b>
理解Serverless
</a>
</li>
</ul>
2017-10-27 19:09:01 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="5.6" data-path="../usecases/edge-computing.html">
2017-10-27 19:09:01 +08:00
<a href="../usecases/edge-computing.html">
2017-11-15 21:18:59 +08:00
<b>5.6.</b>
边缘计算
2017-10-27 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>
<li class="chapter " data-level="6.1" data-path="../develop/">
2017-08-21 17:44:43 +08:00
<a href="../develop/">
2017-11-15 21:18:59 +08:00
<b>6.1.</b>
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
2017-12-03 13:13:09 +08:00
<li class="chapter " data-level="6.2" 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
2017-11-15 21:18:59 +08:00
<b>6.2.</b>
2017-12-03 13:13:09 +08:00
SIG和工作组
</a>
</li>
<li class="chapter " data-level="6.3" data-path="../develop/developing-environment.html">
<a href="../develop/developing-environment.html">
<b>6.3.</b>
2017-11-15 21:18:59 +08:00
开发环境搭建
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-12-03 13:13:09 +08:00
<li class="chapter " data-level="6.4" data-path="../develop/testing.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/testing.html">
2017-12-03 13:13:09 +08:00
<b>6.4.</b>
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单元测试和集成测试
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-12-03 13:13:09 +08:00
<li class="chapter " data-level="6.5" data-path="../develop/client-go-sample.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/client-go-sample.html">
2017-12-03 13:13:09 +08:00
<b>6.5.</b>
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client-go示例
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-12-03 13:13:09 +08:00
<li class="chapter " data-level="6.6" data-path="../develop/contribute.html">
2017-08-21 17:44:43 +08:00
<a href="../develop/contribute.html">
2017-12-03 13:13:09 +08:00
<b>6.6.</b>
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社区贡献
2017-08-21 17:44:43 +08:00
</a>
2017-10-23 19:09:41 +08:00
</li>
2017-12-03 13:13:09 +08:00
<li class="chapter " data-level="6.7" data-path="../develop/minikube.html">
2017-10-23 19:09:41 +08:00
<a href="../develop/minikube.html">
2017-12-03 13:13:09 +08:00
<b>6.7.</b>
2017-11-15 21:18:59 +08:00
Minikube
2017-10-23 19:09:41 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="header">附录</li>
<li class="chapter " data-level="7.1" data-path="../appendix/">
2017-08-21 17:44:43 +08:00
<a href="../appendix/">
2017-11-15 21:18:59 +08:00
<b>7.1.</b>
附录说明
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
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="7.2" data-path="../appendix/debug-kubernetes-services.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<a href="../appendix/debug-kubernetes-services.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>7.2.</b>
Kubernetes中的应用故障排查
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="7.3" data-path="../appendix/material-share.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<a href="../appendix/material-share.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>7.3.</b>
Kubernetes相关资讯和情报链接
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="7.4" data-path="../appendix/docker-best-practice.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<a href="../appendix/docker-best-practice.html">
2017-08-21 17:44:43 +08:00
2017-11-15 21:18:59 +08:00
<b>7.4.</b>
Docker最佳实践
2017-08-21 17:44:43 +08:00
</a>
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="7.5" data-path="../appendix/tricks.html">
2017-11-15 21:18:59 +08:00
<a href="../appendix/tricks.html">
2017-11-15 21:18:59 +08:00
<b>7.5.</b>
使用技巧
</a>
2017-10-18 14:16:55 +08:00
</li>
2017-11-15 21:18:59 +08:00
<li class="chapter " data-level="7.6" data-path="../appendix/issues.html">
2017-10-18 14:16:55 +08:00
2017-11-15 21:18:59 +08:00
<a href="../appendix/issues.html">
2017-10-18 14:16:55 +08:00
2017-11-15 21:18:59 +08:00
<b>7.6.</b>
问题记录
2017-10-18 14:16:55 +08:00
</a>
2017-08-21 17:44:43 +08:00
</li>
2017-12-11 18:32:18 +08:00
<li class="chapter " data-level="7.7" data-path="../appendix/kubernetes-changelog.html">
<a href="../appendix/kubernetes-changelog.html">
<b>7.7.</b>
kubernetes版本更新日志
</a>
<ul class="articles">
<li class="chapter " data-level="7.7.1" data-path="../appendix/kubernetes-1.7-changelog.html">
<a href="../appendix/kubernetes-1.7-changelog.html">
<b>7.7.1.</b>
Kubernetes1.7更新日志
</a>
2017-12-12 13:52:55 +08:00
</li>
<li class="chapter " data-level="7.7.2" data-path="../appendix/kubernetes-1.8-changelog.html">
<a href="../appendix/kubernetes-1.8-changelog.html">
<b>7.7.2.</b>
Kubernetes1.8更新日志
</a>
2017-12-16 10:50:25 +08:00
</li>
<li class="chapter " data-level="7.7.3" data-path="../appendix/kubernetes-1.9-changelog.html">
<a href="../appendix/kubernetes-1.9-changelog.html">
<b>7.7.3.</b>
Kubernetes1.9更新日志
</a>
2017-12-11 18:32:18 +08:00
</li>
</ul>
</li>
2017-08-21 17:44:43 +08:00
<li class="divider"></li>
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2017-09-19 22:01:07 +08:00
本书使用 GitBook 发布
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<h1 id="&#x914D;&#x7F6E;pod&#x7684;liveness&#x548C;readiness&#x63A2;&#x9488;">&#x914D;&#x7F6E;Pod&#x7684;liveness&#x548C;readiness&#x63A2;&#x9488;</h1>
<p>&#x5F53;&#x4F60;&#x4F7F;&#x7528;kuberentes&#x7684;&#x65F6;&#x5019;&#xFF0C;&#x6709;&#x6CA1;&#x6709;&#x9047;&#x5230;&#x8FC7;Pod&#x5728;&#x542F;&#x52A8;&#x540E;&#x4E00;&#x4F1A;&#x5C31;&#x6302;&#x6389;&#x7136;&#x540E;&#x53C8;&#x91CD;&#x65B0;&#x542F;&#x52A8;&#x8FD9;&#x6837;&#x7684;&#x6076;&#x6027;&#x5FAA;&#x73AF;&#xFF1F;&#x4F60;&#x6709;&#x6CA1;&#x6709;&#x60F3;&#x8FC7;kubernetes&#x662F;&#x5982;&#x4F55;&#x68C0;&#x6D4B;pod&#x662F;&#x5426;&#x8FD8;&#x5B58;&#x6D3B;&#xFF1F;&#x867D;&#x7136;&#x5BB9;&#x5668;&#x5DF2;&#x7ECF;&#x542F;&#x52A8;&#xFF0C;&#x4F46;&#x662F;kubernetes&#x5982;&#x4F55;&#x77E5;&#x9053;&#x5BB9;&#x5668;&#x7684;&#x8FDB;&#x7A0B;&#x662F;&#x5426;&#x51C6;&#x5907;&#x597D;&#x5BF9;&#x5916;&#x63D0;&#x4F9B;&#x670D;&#x52A1;&#x4E86;&#x5462;&#xFF1F;&#x8BA9;&#x6211;&#x4EEC;&#x901A;&#x8FC7;kuberentes&#x5B98;&#x7F51;&#x7684;&#x8FD9;&#x7BC7;&#x6587;&#x7AE0;<a href="https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/" target="_blank">Configure Liveness and Readiness Probes</a>&#xFF0C;&#x6765;&#x4E00;&#x63A2;&#x7A76;&#x7ADF;&#x3002;</p>
<p>&#x672C;&#x6587;&#x5C06;&#x5411;&#x5C55;&#x793A;&#x5982;&#x4F55;&#x914D;&#x7F6E;&#x5BB9;&#x5668;&#x7684;&#x5B58;&#x6D3B;&#x548C;&#x53EF;&#x8BFB;&#x6027;&#x63A2;&#x9488;&#x3002;</p>
<p>Kubelet&#x4F7F;&#x7528;liveness probe&#xFF08;&#x5B58;&#x6D3B;&#x63A2;&#x9488;&#xFF09;&#x6765;&#x786E;&#x5B9A;&#x4F55;&#x65F6;&#x91CD;&#x542F;&#x5BB9;&#x5668;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x5F53;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x5904;&#x4E8E;&#x8FD0;&#x884C;&#x72B6;&#x6001;&#x4F46;&#x65E0;&#x6CD5;&#x505A;&#x8FDB;&#x4E00;&#x6B65;&#x64CD;&#x4F5C;&#xFF0C;liveness&#x63A2;&#x9488;&#x5C06;&#x6355;&#x83B7;&#x5230;deadlock&#xFF0C;&#x91CD;&#x542F;&#x5904;&#x4E8E;&#x8BE5;&#x72B6;&#x6001;&#x4E0B;&#x7684;&#x5BB9;&#x5668;&#xFF0C;&#x4F7F;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x5728;&#x5B58;&#x5728;bug&#x7684;&#x60C5;&#x51B5;&#x4E0B;&#x4F9D;&#x7136;&#x80FD;&#x591F;&#x7EE7;&#x7EED;&#x8FD0;&#x884C;&#x4E0B;&#x53BB;&#xFF08;&#x8C01;&#x7684;&#x7A0B;&#x5E8F;&#x8FD8;&#x6CA1;&#x51E0;&#x4E2A;bug&#x5462;&#xFF09;&#x3002;</p>
<p>Kubelet&#x4F7F;&#x7528;readiness probe&#xFF08;&#x5C31;&#x7EEA;&#x63A2;&#x9488;&#xFF09;&#x6765;&#x786E;&#x5B9A;&#x5BB9;&#x5668;&#x662F;&#x5426;&#x5DF2;&#x7ECF;&#x5C31;&#x7EEA;&#x53EF;&#x4EE5;&#x63A5;&#x53D7;&#x6D41;&#x91CF;&#x3002;&#x53EA;&#x6709;&#x5F53;Pod&#x4E2D;&#x7684;&#x5BB9;&#x5668;&#x90FD;&#x5904;&#x4E8E;&#x5C31;&#x7EEA;&#x72B6;&#x6001;&#x65F6;kubelet&#x624D;&#x4F1A;&#x8BA4;&#x5B9A;&#x8BE5;Pod&#x5904;&#x4E8E;&#x5C31;&#x7EEA;&#x72B6;&#x6001;&#x3002;&#x8BE5;&#x4FE1;&#x53F7;&#x7684;&#x4F5C;&#x7528;&#x662F;&#x63A7;&#x5236;&#x54EA;&#x4E9B;Pod&#x5E94;&#x8BE5;&#x4F5C;&#x4E3A;service&#x7684;&#x540E;&#x7AEF;&#x3002;&#x5982;&#x679C;Pod&#x5904;&#x4E8E;&#x975E;&#x5C31;&#x7EEA;&#x72B6;&#x6001;&#xFF0C;&#x90A3;&#x4E48;&#x5B83;&#x4EEC;&#x5C06;&#x4F1A;&#x88AB;&#x4ECE;service&#x7684;load balancer&#x4E2D;&#x79FB;&#x9664;&#x3002;</p>
<h2 id="&#x5B9A;&#x4E49;-liveness&#x547D;&#x4EE4;">&#x5B9A;&#x4E49; liveness&#x547D;&#x4EE4;</h2>
<p>&#x8BB8;&#x591A;&#x957F;&#x65F6;&#x95F4;&#x8FD0;&#x884C;&#x7684;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x6700;&#x7EC8;&#x4F1A;&#x8F6C;&#x6362;&#x5230;broken&#x72B6;&#x6001;&#xFF0C;&#x9664;&#x975E;&#x91CD;&#x65B0;&#x542F;&#x52A8;&#xFF0C;&#x5426;&#x5219;&#x65E0;&#x6CD5;&#x6062;&#x590D;&#x3002;Kubernetes&#x63D0;&#x4F9B;&#x4E86;liveness probe&#x6765;&#x68C0;&#x6D4B;&#x548C;&#x8865;&#x6551;&#x8FD9;&#x79CD;&#x60C5;&#x51B5;&#x3002;</p>
<p>&#x5728;&#x672C;&#x6B21;&#x7EC3;&#x4E60;&#x5C06;&#x57FA;&#x4E8E; <code>gcr.io/google_containers/busybox</code>&#x955C;&#x50CF;&#x521B;&#x5EFA;&#x8FD0;&#x884C;&#x4E00;&#x4E2A;&#x5BB9;&#x5668;&#x7684;Pod&#x3002;&#x4EE5;&#x4E0B;&#x662F;Pod&#x7684;&#x914D;&#x7F6E;&#x6587;&#x4EF6;<code>exec-liveness.yaml</code>&#xFF1A;</p>
<pre><code class="lang-Yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> test:</span> liveness
<span class="hljs-attr"> name:</span> liveness-exec
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> liveness
<span class="hljs-attr"> args:</span>
<span class="hljs-bullet"> -</span> /bin/sh
<span class="hljs-bullet"> -</span> -c
<span class="hljs-bullet"> -</span> touch /tmp/healthy; sleep <span class="hljs-number">30</span>; rm -rf /tmp/healthy; sleep <span class="hljs-number">600</span>
<span class="hljs-attr"> image:</span> gcr.io/google_containers/busybox
<span class="hljs-attr"> livenessProbe:</span>
<span class="hljs-attr"> exec:</span>
<span class="hljs-attr"> command:</span>
<span class="hljs-bullet"> -</span> cat
<span class="hljs-bullet"> -</span> /tmp/healthy
<span class="hljs-attr"> initialDelaySeconds:</span> <span class="hljs-number">5</span>
<span class="hljs-attr"> periodSeconds:</span> <span class="hljs-number">5</span>
</code></pre>
<p>&#x8BE5;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x7ED9;Pod&#x914D;&#x7F6E;&#x4E86;&#x4E00;&#x4E2A;&#x5BB9;&#x5668;&#x3002;<code>periodSeconds</code> &#x89C4;&#x5B9A;kubelet&#x8981;&#x6BCF;&#x9694;5&#x79D2;&#x6267;&#x884C;&#x4E00;&#x6B21;liveness probe&#x3002; <code>initialDelaySeconds</code> &#x544A;&#x8BC9;kubelet&#x5728;&#x7B2C;&#x4E00;&#x6B21;&#x6267;&#x884C;probe&#x4E4B;&#x524D;&#x8981;&#x7684;&#x7B49;&#x5F85;5&#x79D2;&#x949F;&#x3002;&#x63A2;&#x9488;&#x68C0;&#x6D4B;&#x547D;&#x4EE4;&#x662F;&#x5728;&#x5BB9;&#x5668;&#x4E2D;&#x6267;&#x884C; <code>cat /tmp/healthy</code> &#x547D;&#x4EE4;&#x3002;&#x5982;&#x679C;&#x547D;&#x4EE4;&#x6267;&#x884C;&#x6210;&#x529F;&#xFF0C;&#x5C06;&#x8FD4;&#x56DE;0&#xFF0C;kubelet&#x5C31;&#x4F1A;&#x8BA4;&#x4E3A;&#x8BE5;&#x5BB9;&#x5668;&#x662F;&#x6D3B;&#x7740;&#x7684;&#x5E76;&#x4E14;&#x5F88;&#x5065;&#x5EB7;&#x3002;&#x5982;&#x679C;&#x8FD4;&#x56DE;&#x975E;0&#x503C;&#xFF0C;kubelet&#x5C31;&#x4F1A;&#x6740;&#x6389;&#x8FD9;&#x4E2A;&#x5BB9;&#x5668;&#x5E76;&#x91CD;&#x542F;&#x5B83;&#x3002;</p>
<p>&#x5BB9;&#x5668;&#x542F;&#x52A8;&#x65F6;&#xFF0C;&#x6267;&#x884C;&#x8BE5;&#x547D;&#x4EE4;&#xFF1A;</p>
<pre><code class="lang-shell">/bin/sh -c &quot;touch /tmp/healthy; sleep 30; rm -rf /tmp/healthy; sleep 600&quot;
</code></pre>
<p>&#x5728;&#x5BB9;&#x5668;&#x751F;&#x547D;&#x7684;&#x6700;&#x521D;30&#x79D2;&#x5185;&#x6709;&#x4E00;&#x4E2A; <code>/tmp/healthy</code> &#x6587;&#x4EF6;&#xFF0C;&#x5728;&#x8FD9;30&#x79D2;&#x5185; <code>cat /tmp/healthy</code>&#x547D;&#x4EE4;&#x4F1A;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x6210;&#x529F;&#x7684;&#x8FD4;&#x56DE;&#x7801;&#x3002;30&#x79D2;&#x540E;&#xFF0C; <code>cat /tmp/healthy</code> &#x5C06;&#x8FD4;&#x56DE;&#x5931;&#x8D25;&#x7684;&#x8FD4;&#x56DE;&#x7801;&#x3002;</p>
<p>&#x521B;&#x5EFA;Pod&#xFF1A;</p>
<pre><code class="lang-shell">kubectl create -f https://k8s.io/docs/tasks/configure-pod-container/exec-liveness.yaml
</code></pre>
<p>&#x5728;30&#x79D2;&#x5185;&#xFF0C;&#x67E5;&#x770B;Pod&#x7684;event&#xFF1A;</p>
<pre><code>kubectl describe pod liveness-exec
</code></pre><p>&#x7ED3;&#x679C;&#x663E;&#x793A;&#x6CA1;&#x6709;&#x5931;&#x8D25;&#x7684;liveness probe&#xFF1A;</p>
<pre><code class="lang-shell">FirstSeen LastSeen Count From SubobjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
24s 24s 1 {default-scheduler } Normal Scheduled Successfully assigned liveness-exec to worker0
23s 23s 1 {kubelet worker0} spec.containers{liveness} Normal Pulling pulling image &quot;gcr.io/google_containers/busybox&quot;
23s 23s 1 {kubelet worker0} spec.containers{liveness} Normal Pulled Successfully pulled image &quot;gcr.io/google_containers/busybox&quot;
23s 23s 1 {kubelet worker0} spec.containers{liveness} Normal Created Created container with docker id 86849c15382e; Security:[seccomp=unconfined]
23s 23s 1 {kubelet worker0} spec.containers{liveness} Normal Started Started container with docker id 86849c15382e
</code></pre>
<p>&#x542F;&#x52A8;35&#x79D2;&#x540E;&#xFF0C;&#x518D;&#x6B21;&#x67E5;&#x770B;pod&#x7684;event&#xFF1A;</p>
<pre><code class="lang-shell">kubectl describe pod liveness-exec
</code></pre>
<p>&#x5728;&#x6700;&#x4E0B;&#x9762;&#x6709;&#x4E00;&#x6761;&#x4FE1;&#x606F;&#x663E;&#x793A;liveness probe&#x5931;&#x8D25;&#xFF0C;&#x5BB9;&#x5668;&#x88AB;&#x5220;&#x6389;&#x5E76;&#x91CD;&#x65B0;&#x521B;&#x5EFA;&#x3002;</p>
<pre><code class="lang-shell">FirstSeen LastSeen Count From SubobjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
37s 37s 1 {default-scheduler } Normal Scheduled Successfully assigned liveness-exec to worker0
36s 36s 1 {kubelet worker0} spec.containers{liveness} Normal Pulling pulling image &quot;gcr.io/google_containers/busybox&quot;
36s 36s 1 {kubelet worker0} spec.containers{liveness} Normal Pulled Successfully pulled image &quot;gcr.io/google_containers/busybox&quot;
36s 36s 1 {kubelet worker0} spec.containers{liveness} Normal Created Created container with docker id 86849c15382e; Security:[seccomp=unconfined]
36s 36s 1 {kubelet worker0} spec.containers{liveness} Normal Started Started container with docker id 86849c15382e
2s 2s 1 {kubelet worker0} spec.containers{liveness} Warning Unhealthy Liveness probe failed: cat: can&apos;t open &apos;/tmp/healthy&apos;: No such file or directory
</code></pre>
<p>&#x518D;&#x7B49;30&#x79D2;&#xFF0C;&#x786E;&#x8BA4;&#x5BB9;&#x5668;&#x5DF2;&#x7ECF;&#x91CD;&#x542F;&#xFF1A;</p>
<pre><code class="lang-shell">kubectl get pod liveness-exec
</code></pre>
<p>&#x4ECE;&#x8F93;&#x51FA;&#x7ED3;&#x679C;&#x6765;<code>RESTARTS</code>&#x503C;&#x52A0;1&#x4E86;&#x3002;</p>
<pre><code class="lang-shell">NAME READY STATUS RESTARTS AGE
liveness-exec 1/1 Running 1 1m
</code></pre>
<h2 id="&#x5B9A;&#x4E49;&#x4E00;&#x4E2A;liveness-http&#x8BF7;&#x6C42;">&#x5B9A;&#x4E49;&#x4E00;&#x4E2A;liveness HTTP&#x8BF7;&#x6C42;</h2>
<p>&#x6211;&#x4EEC;&#x8FD8;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;HTTP GET&#x8BF7;&#x6C42;&#x4F5C;&#x4E3A;liveness probe&#x3002;&#x4E0B;&#x9762;&#x662F;&#x4E00;&#x4E2A;&#x57FA;&#x4E8E;<code>gcr.io/google_containers/liveness</code>&#x955C;&#x50CF;&#x8FD0;&#x884C;&#x4E86;&#x4E00;&#x4E2A;&#x5BB9;&#x5668;&#x7684;Pod&#x7684;&#x4F8B;&#x5B50;<code>http-liveness.yaml</code>&#xFF1A;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> test:</span> liveness
<span class="hljs-attr"> name:</span> liveness-http
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> liveness
<span class="hljs-attr"> args:</span>
<span class="hljs-bullet"> -</span> /server
<span class="hljs-attr"> image:</span> gcr.io/google_containers/liveness
<span class="hljs-attr"> livenessProbe:</span>
<span class="hljs-attr"> httpGet:</span>
<span class="hljs-attr"> path:</span> /healthz
<span class="hljs-attr"> port:</span> <span class="hljs-number">8080</span>
<span class="hljs-attr"> httpHeaders:</span>
<span class="hljs-attr"> - name:</span> X-Custom-Header
<span class="hljs-attr"> value:</span> Awesome
<span class="hljs-attr"> initialDelaySeconds:</span> <span class="hljs-number">3</span>
<span class="hljs-attr"> periodSeconds:</span> <span class="hljs-number">3</span>
</code></pre>
<p>&#x8BE5;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x53EA;&#x5B9A;&#x4E49;&#x4E86;&#x4E00;&#x4E2A;&#x5BB9;&#x5668;&#xFF0C;<code>livenessProbe</code> &#x6307;&#x5B9A;kubelete&#x9700;&#x8981;&#x6BCF;&#x9694;3&#x79D2;&#x6267;&#x884C;&#x4E00;&#x6B21;liveness probe&#x3002;<code>initialDelaySeconds</code> &#x6307;&#x5B9A;kubelet&#x5728;&#x8BE5;&#x6267;&#x884C;&#x7B2C;&#x4E00;&#x6B21;&#x63A2;&#x6D4B;&#x4E4B;&#x524D;&#x9700;&#x8981;&#x7B49;&#x5F85;3&#x79D2;&#x949F;&#x3002;&#x8BE5;&#x63A2;&#x9488;&#x5C06;&#x5411;&#x5BB9;&#x5668;&#x4E2D;&#x7684;server&#x7684;8080&#x7AEF;&#x53E3;&#x53D1;&#x9001;&#x4E00;&#x4E2A;HTTP GET&#x8BF7;&#x6C42;&#x3002;&#x5982;&#x679C;server&#x7684;<code>/healthz</code>&#x8DEF;&#x5F84;&#x7684;handler&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x6210;&#x529F;&#x7684;&#x8FD4;&#x56DE;&#x7801;&#xFF0C;kubelet&#x5C31;&#x4F1A;&#x8BA4;&#x5B9A;&#x8BE5;&#x5BB9;&#x5668;&#x662F;&#x6D3B;&#x7740;&#x7684;&#x5E76;&#x4E14;&#x5F88;&#x5065;&#x5EB7;&#x3002;&#x5982;&#x679C;&#x8FD4;&#x56DE;&#x5931;&#x8D25;&#x7684;&#x8FD4;&#x56DE;&#x7801;&#xFF0C;kubelet&#x5C06;&#x6740;&#x6389;&#x8BE5;&#x5BB9;&#x5668;&#x5E76;&#x91CD;&#x542F;&#x5B83;&#x3002;</p>
<p>&#x4EFB;&#x4F55;&#x5927;&#x4E8E;200&#x5C0F;&#x4E8E;400&#x7684;&#x8FD4;&#x56DE;&#x7801;&#x90FD;&#x4F1A;&#x8BA4;&#x5B9A;&#x662F;&#x6210;&#x529F;&#x7684;&#x8FD4;&#x56DE;&#x7801;&#x3002;&#x5176;&#x4ED6;&#x8FD4;&#x56DE;&#x7801;&#x90FD;&#x4F1A;&#x88AB;&#x8BA4;&#x4E3A;&#x662F;&#x5931;&#x8D25;&#x7684;&#x8FD4;&#x56DE;&#x7801;&#x3002;</p>
<p>&#x67E5;&#x770B;&#x8BE5;server&#x7684;&#x6E90;&#x7801;&#xFF1A;<a href="http://k8s.io/docs/user-guide/liveness/image/server.go" target="_blank">server.go</a>.</p>
<p>&#x6700;&#x5F00;&#x59CB;&#x7684;10&#x79D2;&#x8BE5;&#x5BB9;&#x5668;&#x662F;&#x6D3B;&#x7740;&#x7684;&#xFF0C; <code>/healthz</code> handler&#x8FD4;&#x56DE;200&#x7684;&#x72B6;&#x6001;&#x7801;&#x3002;&#x8FD9;&#x4E4B;&#x540E;&#x5C06;&#x8FD4;&#x56DE;500&#x7684;&#x8FD4;&#x56DE;&#x7801;&#x3002;</p>
<pre><code class="lang-go">http.HandleFunc(<span class="hljs-string">&quot;/healthz&quot;</span>, <span class="hljs-keyword">func</span>(w http.ResponseWriter, r *http.Request) {
duration := time.Now().Sub(started)
<span class="hljs-keyword">if</span> duration.Seconds() &gt; <span class="hljs-number">10</span> {
w.WriteHeader(<span class="hljs-number">500</span>)
w.Write([]<span class="hljs-keyword">byte</span>(fmt.Sprintf(<span class="hljs-string">&quot;error: %v&quot;</span>, duration.Seconds())))
} <span class="hljs-keyword">else</span> {
w.WriteHeader(<span class="hljs-number">200</span>)
w.Write([]<span class="hljs-keyword">byte</span>(<span class="hljs-string">&quot;ok&quot;</span>))
}
})
</code></pre>
<p>&#x5BB9;&#x5668;&#x542F;&#x52A8;3&#x79D2;&#x540E;&#xFF0C;kubelet&#x5F00;&#x59CB;&#x6267;&#x884C;&#x5065;&#x5EB7;&#x68C0;&#x67E5;&#x3002;&#x7B2C;&#x4E00;&#x6B21;&#x5065;&#x5EB7;&#x76D1;&#x6D4B;&#x4F1A;&#x6210;&#x529F;&#xFF0C;&#x4F46;&#x662F;10&#x79D2;&#x540E;&#xFF0C;&#x5065;&#x5EB7;&#x68C0;&#x67E5;&#x5C06;&#x5931;&#x8D25;&#xFF0C;kubelet&#x5C06;&#x6740;&#x6389;&#x548C;&#x91CD;&#x542F;&#x5BB9;&#x5668;&#x3002;</p>
<p>&#x521B;&#x5EFA;&#x4E00;&#x4E2A;Pod&#x6765;&#x6D4B;&#x8BD5;&#x4E00;&#x4E0B;HTTP liveness&#x68C0;&#x6D4B;&#xFF1A;</p>
<pre><code class="lang-shell">kubectl create -f https://k8s.io/docs/tasks/configure-pod-container/http-liveness.yaml
</code></pre>
<p>After 10 seconds, view Pod events to verify that liveness probes have failed and
the Container has been restarted:</p>
<p>10&#x79D2;&#x540E;&#xFF0C;&#x67E5;&#x770B;Pod&#x7684;event&#xFF0C;&#x786E;&#x8BA4;liveness probe&#x5931;&#x8D25;&#x5E76;&#x91CD;&#x542F;&#x4E86;&#x5BB9;&#x5668;&#x3002;</p>
<pre><code class="lang-shell">kubectl describe pod liveness-http
</code></pre>
<h2 id="&#x5B9A;&#x4E49;tcp-liveness&#x63A2;&#x9488;">&#x5B9A;&#x4E49;TCP liveness&#x63A2;&#x9488;</h2>
<p>&#x7B2C;&#x4E09;&#x79CD;liveness probe&#x4F7F;&#x7528;TCP Socket&#x3002; &#x4F7F;&#x7528;&#x6B64;&#x914D;&#x7F6E;&#xFF0C;kubelet&#x5C06;&#x5C1D;&#x8BD5;&#x5728;&#x6307;&#x5B9A;&#x7AEF;&#x53E3;&#x4E0A;&#x6253;&#x5F00;&#x5BB9;&#x5668;&#x7684;&#x5957;&#x63A5;&#x5B57;&#x3002; &#x5982;&#x679C;&#x53EF;&#x4EE5;&#x5EFA;&#x7ACB;&#x8FDE;&#x63A5;&#xFF0C;&#x5BB9;&#x5668;&#x88AB;&#x8BA4;&#x4E3A;&#x662F;&#x5065;&#x5EB7;&#x7684;&#xFF0C;&#x5982;&#x679C;&#x4E0D;&#x80FD;&#x5C31;&#x8BA4;&#x4E3A;&#x662F;&#x5931;&#x8D25;&#x7684;&#x3002;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">apiVersion:</span> v1
<span class="hljs-attr">kind:</span> Pod
<span class="hljs-attr">metadata:</span>
<span class="hljs-attr"> name:</span> goproxy
<span class="hljs-attr"> labels:</span>
<span class="hljs-attr"> app:</span> goproxy
<span class="hljs-attr">spec:</span>
<span class="hljs-attr"> containers:</span>
<span class="hljs-attr"> - name:</span> goproxy
<span class="hljs-attr"> image:</span> gcr.io/google_containers/goproxy:<span class="hljs-number">0.1</span>
<span class="hljs-attr"> ports:</span>
<span class="hljs-attr"> - containerPort:</span> <span class="hljs-number">8080</span>
<span class="hljs-attr"> readinessProbe:</span>
<span class="hljs-attr"> tcpSocket:</span>
<span class="hljs-attr"> port:</span> <span class="hljs-number">8080</span>
<span class="hljs-attr"> initialDelaySeconds:</span> <span class="hljs-number">5</span>
<span class="hljs-attr"> periodSeconds:</span> <span class="hljs-number">10</span>
<span class="hljs-attr"> livenessProbe:</span>
<span class="hljs-attr"> tcpSocket:</span>
<span class="hljs-attr"> port:</span> <span class="hljs-number">8080</span>
<span class="hljs-attr"> initialDelaySeconds:</span> <span class="hljs-number">15</span>
<span class="hljs-attr"> periodSeconds:</span> <span class="hljs-number">20</span>
</code></pre>
<p>&#x5982;&#x60A8;&#x6240;&#x89C1;&#xFF0C;TCP&#x68C0;&#x67E5;&#x7684;&#x914D;&#x7F6E;&#x4E0E;HTTP&#x68C0;&#x67E5;&#x975E;&#x5E38;&#x76F8;&#x4F3C;&#x3002; &#x6B64;&#x793A;&#x4F8B;&#x540C;&#x65F6;&#x4F7F;&#x7528;&#x4E86;readiness&#x548C;liveness probe&#x3002; &#x5BB9;&#x5668;&#x542F;&#x52A8;&#x540E;5&#x79D2;&#x949F;&#xFF0C;kubelet&#x5C06;&#x53D1;&#x9001;&#x7B2C;&#x4E00;&#x4E2A;readiness probe&#x3002; &#x8FD9;&#x5C06;&#x5C1D;&#x8BD5;&#x8FDE;&#x63A5;&#x5230;&#x7AEF;&#x53E3;8080&#x4E0A;&#x7684;goproxy&#x5BB9;&#x5668;&#x3002;&#x5982;&#x679C;&#x63A2;&#x6D4B;&#x6210;&#x529F;&#xFF0C;&#x5219;&#x8BE5;pod&#x5C06;&#x88AB;&#x6807;&#x8BB0;&#x4E3A;&#x5C31;&#x7EEA;&#x3002;Kubelet&#x5C06;&#x6BCF;&#x9694;10&#x79D2;&#x949F;&#x6267;&#x884C;&#x4E00;&#x6B21;&#x8BE5;&#x68C0;&#x67E5;&#x3002;</p>
<p>&#x9664;&#x4E86;readiness probe&#x4E4B;&#x5916;&#xFF0C;&#x8BE5;&#x914D;&#x7F6E;&#x8FD8;&#x5305;&#x62EC;liveness probe&#x3002; &#x5BB9;&#x5668;&#x542F;&#x52A8;15&#x79D2;&#x540E;&#xFF0C;kubelet&#x5C06;&#x8FD0;&#x884C;&#x7B2C;&#x4E00;&#x4E2A;liveness probe&#x3002; &#x5C31;&#x50CF;readiness probe&#x4E00;&#x6837;&#xFF0C;&#x8FD9;&#x5C06;&#x5C1D;&#x8BD5;&#x8FDE;&#x63A5;&#x5230;goproxy&#x5BB9;&#x5668;&#x4E0A;&#x7684;8080&#x7AEF;&#x53E3;&#x3002;&#x5982;&#x679C;liveness probe&#x5931;&#x8D25;&#xFF0C;&#x5BB9;&#x5668;&#x5C06;&#x91CD;&#x65B0;&#x542F;&#x52A8;&#x3002;</p>
<h2 id="&#x4F7F;&#x7528;&#x547D;&#x540D;&#x7684;&#x7AEF;&#x53E3;">&#x4F7F;&#x7528;&#x547D;&#x540D;&#x7684;&#x7AEF;&#x53E3;</h2>
<p>&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x547D;&#x540D;&#x7684;ContainerPort&#x4F5C;&#x4E3A;HTTP&#x6216;TCP liveness&#x68C0;&#x67E5;&#xFF1A;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">ports:</span>
<span class="hljs-attr">- name:</span> liveness-port
<span class="hljs-attr"> containerPort:</span> <span class="hljs-number">8080</span>
<span class="hljs-attr"> hostPort:</span> <span class="hljs-number">8080</span>
<span class="hljs-attr">livenessProbe:</span>
<span class="hljs-attr"> httpGet:</span>
<span class="hljs-attr"> path:</span> /healthz
<span class="hljs-attr"> port:</span> liveness-port
</code></pre>
<h2 id="&#x5B9A;&#x4E49;readiness&#x63A2;&#x9488;">&#x5B9A;&#x4E49;readiness&#x63A2;&#x9488;</h2>
<p>&#x6709;&#x65F6;&#xFF0C;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x6682;&#x65F6;&#x65E0;&#x6CD5;&#x5BF9;&#x5916;&#x90E8;&#x6D41;&#x91CF;&#x63D0;&#x4F9B;&#x670D;&#x52A1;&#x3002; &#x4F8B;&#x5982;&#xFF0C;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x53EF;&#x80FD;&#x9700;&#x8981;&#x5728;&#x542F;&#x52A8;&#x671F;&#x95F4;&#x52A0;&#x8F7D;&#x5927;&#x91CF;&#x6570;&#x636E;&#x6216;&#x914D;&#x7F6E;&#x6587;&#x4EF6;&#x3002; &#x5728;&#x8FD9;&#x79CD;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x4F60;&#x4E0D;&#x60F3;&#x6740;&#x6B7B;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#xFF0C;&#x4F46;&#x4F60;&#x4E5F;&#x4E0D;&#x60F3;&#x53D1;&#x9001;&#x8BF7;&#x6C42;&#x3002; Kubernetes&#x63D0;&#x4F9B;&#x4E86;readiness probe&#x6765;&#x68C0;&#x6D4B;&#x548C;&#x51CF;&#x8F7B;&#x8FD9;&#x4E9B;&#x60C5;&#x51B5;&#x3002; Pod&#x4E2D;&#x7684;&#x5BB9;&#x5668;&#x53EF;&#x4EE5;&#x62A5;&#x544A;&#x81EA;&#x5DF1;&#x8FD8;&#x6CA1;&#x6709;&#x51C6;&#x5907;&#xFF0C;&#x4E0D;&#x80FD;&#x5904;&#x7406;Kubernetes&#x670D;&#x52A1;&#x53D1;&#x9001;&#x8FC7;&#x6765;&#x7684;&#x6D41;&#x91CF;&#x3002;</p>
<p>Readiness probe&#x7684;&#x914D;&#x7F6E;&#x8DDF;liveness probe&#x5F88;&#x50CF;&#x3002;&#x552F;&#x4E00;&#x7684;&#x4E0D;&#x540C;&#x662F;&#x4F7F;&#x7528; <code>readinessProbe</code>&#x800C;&#x4E0D;&#x662F;<code>livenessProbe</code>&#x3002;</p>
<pre><code class="lang-yaml"><span class="hljs-attr">readinessProbe:</span>
<span class="hljs-attr"> exec:</span>
<span class="hljs-attr"> command:</span>
<span class="hljs-bullet"> -</span> cat
<span class="hljs-bullet"> -</span> /tmp/healthy
<span class="hljs-attr"> initialDelaySeconds:</span> <span class="hljs-number">5</span>
<span class="hljs-attr"> periodSeconds:</span> <span class="hljs-number">5</span>
</code></pre>
<p>Readiness probe&#x7684;HTTP&#x548C;TCP&#x7684;&#x63A2;&#x6D4B;&#x5668;&#x914D;&#x7F6E;&#x8DDF;liveness probe&#x4E00;&#x6837;&#x3002;</p>
<p>Readiness&#x548C;livenss probe&#x53EF;&#x4EE5;&#x5E76;&#x884C;&#x7528;&#x4E8E;&#x540C;&#x4E00;&#x5BB9;&#x5668;&#x3002; &#x4F7F;&#x7528;&#x4E24;&#x8005;&#x53EF;&#x4EE5;&#x786E;&#x4FDD;&#x6D41;&#x91CF;&#x65E0;&#x6CD5;&#x5230;&#x8FBE;&#x672A;&#x51C6;&#x5907;&#x597D;&#x7684;&#x5BB9;&#x5668;&#xFF0C;&#x5E76;&#x4E14;&#x5BB9;&#x5668;&#x5728;&#x5931;&#x8D25;&#x65F6;&#x91CD;&#x65B0;&#x542F;&#x52A8;&#x3002;</p>
<h2 id="&#x914D;&#x7F6E;probe">&#x914D;&#x7F6E;Probe</h2>
<p><a href="https://kubernetes.io/docs/api-reference/v1.6/#probe-v1-core" target="_blank">Probe</a>&#x4E2D;&#x6709;&#x5F88;&#x591A;&#x7CBE;&#x786E;&#x548C;&#x8BE6;&#x7EC6;&#x7684;&#x914D;&#x7F6E;&#xFF0C;&#x901A;&#x8FC7;&#x5B83;&#x4EEC;&#x4F60;&#x80FD;&#x51C6;&#x786E;&#x7684;&#x63A7;&#x5236;liveness&#x548C;readiness&#x68C0;&#x67E5;&#xFF1A;</p>
<ul>
<li><code>initialDelaySeconds</code>&#xFF1A;&#x5BB9;&#x5668;&#x542F;&#x52A8;&#x540E;&#x7B2C;&#x4E00;&#x6B21;&#x6267;&#x884C;&#x63A2;&#x6D4B;&#x662F;&#x9700;&#x8981;&#x7B49;&#x5F85;&#x591A;&#x5C11;&#x79D2;&#x3002;</li>
<li><code>periodSeconds</code>&#xFF1A;&#x6267;&#x884C;&#x63A2;&#x6D4B;&#x7684;&#x9891;&#x7387;&#x3002;&#x9ED8;&#x8BA4;&#x662F;10&#x79D2;&#xFF0C;&#x6700;&#x5C0F;1&#x79D2;&#x3002;</li>
<li><code>timeoutSeconds</code>&#xFF1A;&#x63A2;&#x6D4B;&#x8D85;&#x65F6;&#x65F6;&#x95F4;&#x3002;&#x9ED8;&#x8BA4;1&#x79D2;&#xFF0C;&#x6700;&#x5C0F;1&#x79D2;&#x3002;</li>
<li><code>successThreshold</code>&#xFF1A;&#x63A2;&#x6D4B;&#x5931;&#x8D25;&#x540E;&#xFF0C;&#x6700;&#x5C11;&#x8FDE;&#x7EED;&#x63A2;&#x6D4B;&#x6210;&#x529F;&#x591A;&#x5C11;&#x6B21;&#x624D;&#x88AB;&#x8BA4;&#x5B9A;&#x4E3A;&#x6210;&#x529F;&#x3002;&#x9ED8;&#x8BA4;&#x662F;1&#x3002;&#x5BF9;&#x4E8E;liveness&#x5FC5;&#x987B;&#x662F;1&#x3002;&#x6700;&#x5C0F;&#x503C;&#x662F;1&#x3002; </li>
<li><code>failureThreshold</code>&#xFF1A;&#x63A2;&#x6D4B;&#x6210;&#x529F;&#x540E;&#xFF0C;&#x6700;&#x5C11;&#x8FDE;&#x7EED;&#x63A2;&#x6D4B;&#x5931;&#x8D25;&#x591A;&#x5C11;&#x6B21;&#x624D;&#x88AB;&#x8BA4;&#x5B9A;&#x4E3A;&#x5931;&#x8D25;&#x3002;&#x9ED8;&#x8BA4;&#x662F;3&#x3002;&#x6700;&#x5C0F;&#x503C;&#x662F;1&#x3002;</li>
</ul>
<p><a href="https://kubernetes.io/docs/api-reference/v1.6/#httpgetaction-v1-core" target="_blank">HTTP probe</a>&#x4E2D;&#x53EF;&#x4EE5;&#x7ED9; <code>httpGet</code>&#x8BBE;&#x7F6E;&#x5176;&#x4ED6;&#x914D;&#x7F6E;&#x9879;&#xFF1A;</p>
<ul>
<li><code>host</code>&#xFF1A;&#x8FDE;&#x63A5;&#x7684;&#x4E3B;&#x673A;&#x540D;&#xFF0C;&#x9ED8;&#x8BA4;&#x8FDE;&#x63A5;&#x5230;pod&#x7684;IP&#x3002;&#x4F60;&#x53EF;&#x80FD;&#x60F3;&#x5728;http header&#x4E2D;&#x8BBE;&#x7F6E;&quot;Host&quot;&#x800C;&#x4E0D;&#x662F;&#x4F7F;&#x7528;IP&#x3002;</li>
<li><code>scheme</code>&#xFF1A;&#x8FDE;&#x63A5;&#x4F7F;&#x7528;&#x7684;schema&#xFF0C;&#x9ED8;&#x8BA4;HTTP&#x3002;</li>
<li><code>path</code>: &#x8BBF;&#x95EE;&#x7684;HTTP server&#x7684;path&#x3002;</li>
<li><code>httpHeaders</code>&#xFF1A;&#x81EA;&#x5B9A;&#x4E49;&#x8BF7;&#x6C42;&#x7684;header&#x3002;HTTP&#x8FD0;&#x884C;&#x91CD;&#x590D;&#x7684;header&#x3002;</li>
<li><code>port</code>&#xFF1A;&#x8BBF;&#x95EE;&#x7684;&#x5BB9;&#x5668;&#x7684;&#x7AEF;&#x53E3;&#x540D;&#x5B57;&#x6216;&#x8005;&#x7AEF;&#x53E3;&#x53F7;&#x3002;&#x7AEF;&#x53E3;&#x53F7;&#x5FC5;&#x987B;&#x4ECB;&#x4E8E;1&#x548C;65525&#x4E4B;&#x95F4;&#x3002;</li>
</ul>
<p>&#x5BF9;&#x4E8E;HTTP&#x63A2;&#x6D4B;&#x5668;&#xFF0C;kubelet&#x5411;&#x6307;&#x5B9A;&#x7684;&#x8DEF;&#x5F84;&#x548C;&#x7AEF;&#x53E3;&#x53D1;&#x9001;HTTP&#x8BF7;&#x6C42;&#x4EE5;&#x6267;&#x884C;&#x68C0;&#x67E5;&#x3002; Kubelet&#x5C06;probe&#x53D1;&#x9001;&#x5230;&#x5BB9;&#x5668;&#x7684;IP&#x5730;&#x5740;&#xFF0C;&#x9664;&#x975E;&#x5730;&#x5740;&#x88AB;<code>httpGet</code>&#x4E2D;&#x7684;&#x53EF;&#x9009;<code>host</code>&#x5B57;&#x6BB5;&#x8986;&#x76D6;&#x3002; &#x5728;&#x5927;&#x591A;&#x6570;&#x60C5;&#x51B5;&#x4E0B;&#xFF0C;&#x4F60;&#x4E0D;&#x60F3;&#x8BBE;&#x7F6E;&#x4E3B;&#x673A;&#x5B57;&#x6BB5;&#x3002; &#x6709;&#x4E00;&#x79CD;&#x60C5;&#x51B5;&#x4E0B;&#x4F60;&#x53EF;&#x4EE5;&#x8BBE;&#x7F6E;&#x5B83;&#x3002; &#x5047;&#x8BBE;&#x5BB9;&#x5668;&#x5728;127.0.0.1&#x4E0A;&#x4FA6;&#x542C;&#xFF0C;&#x5E76;&#x4E14;Pod&#x7684;<code>hostNetwork</code>&#x5B57;&#x6BB5;&#x4E3A;true&#x3002; &#x7136;&#x540E;&#xFF0C;&#x5728;<code>httpGet</code>&#x4E0B;&#x7684;<code>host</code>&#x5E94;&#x8BE5;&#x8BBE;&#x7F6E;&#x4E3A;127.0.0.1&#x3002; &#x5982;&#x679C;&#x4F60;&#x7684;pod&#x4F9D;&#x8D56;&#x4E8E;&#x865A;&#x62DF;&#x4E3B;&#x673A;&#xFF0C;&#x8FD9;&#x53EF;&#x80FD;&#x662F;&#x66F4;&#x5E38;&#x89C1;&#x7684;&#x60C5;&#x51B5;&#xFF0C;&#x4F60;&#x4E0D;&#x5E94;&#x8BE5;&#x662F;&#x7528;<code>host</code>&#xFF0C;&#x800C;&#x662F;&#x5E94;&#x8BE5;&#x5728;<code>httpHeaders</code>&#x4E2D;&#x8BBE;&#x7F6E;<code>Host</code>&#x5934;&#x3002;</p>
<h2 id="&#x53C2;&#x8003;">&#x53C2;&#x8003;</h2>
<ul>
2017-11-07 10:29:19 +08:00
<li>&#x5173;&#x4E8E; <a href="https://kubernetes.io/docs/concepts/workloads/pods/pod-lifecycle/#container-probes" target="_blank">Container Probes</a> &#x7684;&#x66F4;&#x591A;&#x4FE1;&#x606F; </li>
2017-08-21 17:44:43 +08:00
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