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kube/tigera-operator/cleanup.sh

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2022-08-16 09:40:54 +00:00
#!/bin/bash
NAMESPACE=${NAMESPACE:-longhorn-system}
remove_and_wait() {
local crd=$1
out=`kubectl -n ${NAMESPACE} delete $crd --all 2>&1`
if [ $? -ne 0 ]; then
echo $out
return
fi
while true; do
out=`kubectl -n ${NAMESPACE} get $crd -o yaml | grep 'items: \[\]'`
if [ $? -eq 0 ]; then
break
fi
sleep 1
done
echo all $crd instances deleted
}
remove_crd_instances() {
remove_and_wait volumes.longhorn.rancher.io
# TODO: remove engines and replicas once we fix https://github.com/rancher/longhorn/issues/273
remove_and_wait engines.longhorn.rancher.io
remove_and_wait replicas.longhorn.rancher.io
remove_and_wait engineimages.longhorn.rancher.io
remove_and_wait settings.longhorn.rancher.io
# do this one last; manager crashes
remove_and_wait nodes.longhorn.rancher.io
}
# Delete driver related workloads in specific order
remove_driver() {
kubectl -n ${NAMESPACE} delete deployment.apps/longhorn-driver-deployer
kubectl -n ${NAMESPACE} delete daemonset.apps/longhorn-csi-plugin
kubectl -n ${NAMESPACE} delete statefulset.apps/csi-attacher
kubectl -n ${NAMESPACE} delete service/csi-attacher
kubectl -n ${NAMESPACE} delete statefulset.apps/csi-provisioner
kubectl -n ${NAMESPACE} delete service/csi-provisioner
kubectl -n ${NAMESPACE} delete daemonset.apps/longhorn-flexvolume-driver
}
# Delete all workloads in the namespace
remove_workloads() {
kubectl -n ${NAMESPACE} get daemonset.apps -o yaml | kubectl delete -f -
kubectl -n ${NAMESPACE} get deployment.apps -o yaml | kubectl delete -f -
kubectl -n ${NAMESPACE} get replicaset.apps -o yaml | kubectl delete -f -
kubectl -n ${NAMESPACE} get statefulset.apps -o yaml | kubectl delete -f -
kubectl -n ${NAMESPACE} get pods -o yaml | kubectl delete -f -
kubectl -n ${NAMESPACE} get service -o yaml | kubectl delete -f -
}
# Delete CRD definitions with longhorn.rancher.io in the name
remove_crds() {
for crd in $(kubectl get crd -o jsonpath={.items[*].metadata.name} | tr ' ' '\n' | grep longhorn.rancher.io); do
kubectl delete crd/$crd
done
}
remove_crd_instances
remove_driver
remove_workloads
remove_crds