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k3s-node-termination-handler's Introduction

k3s-node-termination-handler

Overview

k3s-node-termination-handler is a Kubernetes operator that deletes nodes if their readiness is Unknown for a specified amount of time. The usecase this was build for was when nodes die, k3s never removes them and as such pods get stuck on the phantom node

Deployment

Deploy the operator

Deploy the operator dependencies:

kubectl apply -f deploy/service_account.yaml -n k3s-node-termination-handler
kubectl apply -f deploy/role.yaml -n k3s-node-termination-handler
kubectl apply -f deploy/role_binding.yaml -n k3s-node-termination-handler

Deploy the operator:

kubectl apply -f deploy/deployment.yaml -n k3s-node-termination-handler

Deploying via helm chart

Without existing credentials secret

helm upgrade --install k3s-node-termination-handler https://github.com/givanov/k3s-node-termination-handler/releases/download/${VERSION}/k3s-node-termination-handler-${VERSION}.tgz \
    -n k3s-node-termination-handler \
    --set nodeTerminationGracePeriod=5m

Where ${VERSION} is the version you want to install

helm upgrade --install k3s-node-termination-handler https://github.com/givanov/k3s-node-termination-handler/releases/download/v1.0.0/k3s-node-termination-handler-v1.0.0.tgz -n k3s-node-termination-handler
--set nodeTerminationGracePeriod=5m

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