Updated force delete to take a label selector

Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>
This commit is contained in:
Marcus Noble 2022-04-05 21:26:27 +01:00
parent 6c7aee7b93
commit c5233d41e7
Signed by: AverageMarcus
GPG Key ID: B8F2DB8A7AEBAF78

View File

@ -5,6 +5,7 @@ source .utils
NAMESPACE="$(kubectl config view --minify --output 'jsonpath={..namespace}' &>/dev/null)"
set -e
NAMESPACE=${NAMESPACE:-default}
SELECTOR=""
print_usage() {
blue "kube-force-delete - Force delete resources, even those with finalizers"
@ -26,6 +27,11 @@ while test $# -gt 0; do
NAMESPACE=$1
shift
;;
-l|--selector)
shift
SELECTOR="$1"
shift
;;
-h|--help)
print_usage
exit 0
@ -41,20 +47,41 @@ while test $# -gt 0; do
esac
done
if [ ${#POS_ARGS[@]} -lt 2 ]; then
if [ ${#POS_ARGS[@]} -lt 2 ] && [[ "${SELECTOR}" == "" ]]; then
echo "Please provide the resource type and name to delete"
exit 1
fi
function deleteResource() {
echo "Deleting ${1}"
kubectl patch -p '{"metadata":{"finalizers":null}}' --type=merge -n ${NAMESPACE} ${1} 1>/dev/null
kubectl delete -n ${NAMESPACE} ${1} 2>/dev/null || printf ""
}
printf "⚠️ This could leave cloud resources undeleted if finalizers aren't honoured ⚠️\n\n"
printf "Are you sure you want to delete ${POS_ARGS[0]}/${POS_ARGS[1]}? (y/n): "
RESOURCES=()
if [[ "${SELECTOR}" == "" ]]; then
printf "Are you sure you want to delete ${POS_ARGS[0]}/${POS_ARGS[1]}? (y/n): "
RESOURCES=("${POS_ARGS[0]}/${POS_ARGS[1]}")
else
printf "Are you sure you want to delete all matching '${SELECTOR}'? (y/n): "
SELECTOR="-l ${SELECTOR}"
NAMES="$(kubectl api-resources --namespaced --verbs list -o name 2>/dev/null | tr '\n' ,)"
RESOURCES=$(kubectl get "${NAMES::${#NAMES}-1}" --ignore-not-found ${SELECTOR} -n ${NAMESPACE} -o go-template='{{range.items}}{{.kind}}.{{.apiVersion}}/{{.metadata.name}}{{"\n"}}{{end}}' | tr '[:upper:]' '[:lower:]' | sed -r "s|/(v.+)/|/|g" 2>/dev/null)
fi
read CONFIRM
if [ "${CONFIRM}" = "y" ]; then
echo ""
echo "💣 OK, I hope you know what you're doing..."
kubectl patch -p '{"metadata":{"finalizers":null}}' --type=merge -n ${NAMESPACE} ${POS_ARGS[@]} 1>/dev/null
kubectl delete -n ${NAMESPACE} ${POS_ARGS[@]} 2>/dev/null || printf ""
IFS='
'
for RESOURCE in ${RESOURCES}
do
deleteResource ${RESOURCE}
done
else
echo "Aborting..."
exit 1