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Install

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Introduction

Install kdoctor to check network and performance inside and outside the cluster.

Prerequisites

  1. A complete k8s cluster.

  2. Helm has been installed.

  3. StorageClass (optional) is supported if kdoctor-controller is required for high availability and report persistence is required.

Install

Add Helm Repository

helm repo add kdoctor https://kdoctor-io.github.io/kdoctor
helm repo update kdoctor

Install kdoctor

kdoctor can be installed according to different needs, the following are the recommended installation methods for several scenarios

Non-highly Available Installation

The kdoctor agent only prints reports to standard output in the following way:

helm install kdoctor kdoctor/kdoctor \
    -n kdoctor --debug --create-namespace

Highly Available Installation

The following method directs the collection reports from kdoctor-controller to storage, so you need to install storageClass.

helm install kdoctor kdoctor/kdoctor \
    -n kdoctor --debug --create-namespace \
    --set kdoctorController.replicas=2 \
    --set feature.aggregateReport.controller.pvc.enabled=true \
    --set feature.aggregateReport.controller.pvc.storageClass=local-path \
    --set feature.aggregateReport.controller.pvc.storageRequests="100Mi" \
    --set feature.aggregateReport.controller.pvc.storageLimits="500Mi"

Verify that All Components of kdoctor are Running Properly

kubectl get pod -n kdoctor
NAME                                  READY   STATUS    RESTARTS   AGE
kdoctor-controller-686b75d6d7-k4dcq   1/1     Running   0          137m

Uninstall kdoctor

helm uninstall kdoctor -n kdoctor