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Bash script for draining & terminating EC2 Kubernetes nodes
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#!/usr/bin/env bash | |
k8s_node=$(echo $1 | cut -f2 -d '/') | |
kubectl drain --force --ignore-daemonsets --delete-local-data ${k8s_node} | |
if [[ $? -eq 0 ]]; then | |
kubectl delete node ${k8s_node} | |
fi | |
if [[ $? -eq 0 ]]; then | |
instance_id=$(aws ec2 describe-instances --out=text\ | |
--filters Name=network-interface.private-dns-name,Values=${k8s_node} \ | |
--query 'Reservations[0].Instances[0].{InstanceID:InstanceId}') | |
aws ec2 terminate-instances --instance-ids ${instance_id} | |
fi |
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