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