rebuild-k8s.sh

#!/bin/bash

SCRIPT_DIR=$(pwd)
ANSIBLE_DIR="ansible"
ANSIBLE_INVENTORY="ansible-inventory -i production"
ANSIBLE_ALL_HOSTS=$(cd ${ANSIBLE_DIR} && ${ANSIBLE_INVENTORY} --graph k8s_all | grep '|' | cut -d '-' -f3-6 | grep -v '@')
ANSIBLE_DOMAIN=$(cd ${ANSIBLE_DIR} && grep 'domain:' group_vars/all.yml | awk '{print $2}')

cd terraform/infrastructure/kubernetes || exit

terraform1.3 init -upgrade
terraform1.3 destroy -auto-approve

echo "Waiting 30s"
sleep 30

terraform1.3 apply -auto-approve

cd "${SCRIPT_DIR}" || exit

echo "Waiting 60s"
sleep 60

for host in ${ANSIBLE_ALL_HOSTS}; do
	echo "Resetting SSH Host Keys: $host"
	ipv4=$(cd ${ANSIBLE_DIR} && ${ANSIBLE_INVENTORY} -y --host "${host}" | grep 'ansible_host'| head -n 1 | awk '{print $2}')

	ssh-keygen -R "${host}"."${ANSIBLE_DOMAIN}"
	ssh-keygen -R "${ipv4}"
	ssh-keyscan "${host}"."${ANSIBLE_DOMAIN}" >> ~/.ssh/known_hosts
	ssh-keyscan "${ipv4}" >> ~/.ssh/known_hosts
done

cd ansible || exit

ansible-playbook -i production k8s-all.yml