magnum/magnum/drivers/common/templates/kubernetes/fragments/rotate-kubernetes-ca-certs-...

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echo "START: rotate CA certs on master"
set +x
. /etc/sysconfig/heat-params
set -x
set -eu -o pipefail
ssh_cmd="ssh -F /srv/magnum/.ssh/config root@localhost"
service_account_key=$kube_service_account_key_input
service_account_private_key=$kube_service_account_private_key_input
if [ ! -z "$service_account_key" ] && [ ! -z "$service_account_private_key" ] ; then
# Follow the instructions on https://kubernetes.io/docs/tasks/tls/manual-rotation-of-ca-certificates/
for namespace in $(kubectl get namespace -o jsonpath='{.items[*].metadata.name}'); do
for name in $(kubectl get deployments -n $namespace -o jsonpath='{.items[*].metadata.name}'); do
kubectl patch deployment -n ${namespace} ${name} -p '{"spec":{"template":{"metadata":{"annotations":{"ca-rotation": "1"}}}}}';
done
for name in $(kubectl get daemonset -n $namespace -o jsonpath='{.items[*].metadata.name}'); do
kubectl patch daemonset -n ${namespace} ${name} -p '{"spec":{"template":{"metadata":{"annotations":{"ca-rotation": "1"}}}}}';
done
done
# Annotate any Daemonsets and Deployments to trigger pod replacement in a safer rolling fashion.
for namespace in $(kubectl get namespace -o jsonpath='{.items[*].metadata.name}'); do
for name in $(kubectl get deployments -n $namespace -o jsonpath='{.items[*].metadata.name}'); do
kubectl patch deployment -n ${namespace} ${name} -p '{"spec":{"template":{"metadata":{"annotations":{"ca-rotation": "1"}}}}}';
done
for name in $(kubectl get daemonset -n $namespace -o jsonpath='{.items[*].metadata.name}'); do
kubectl patch daemonset -n ${namespace} ${name} -p '{"spec":{"template":{"metadata":{"annotations":{"ca-rotation": "1"}}}}}';
done
done
for service in etcd kube-apiserver kube-controller-manager kube-scheduler kubelet kube-proxy; do
echo "restart service $service"
$ssh_cmd systemctl restart $service
done
# NOTE(flwang): Re-patch the calico-node daemonset again to make sure all pods are being recreated
kubectl patch daemonset -n kube-system calico-node -p '{"spec":{"template":{"metadata":{"annotations":{"ca-rotation": "2"}}}}}';
fi
echo "END: rotate CA certs on master"