83 lines
1.8 KiB
Bash
Executable File
83 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
######## REQUIRMENTS #########
|
|
# kubectl
|
|
# yq (https://github.com/mikefarah/yq)
|
|
# a valid EDITOR env variable set
|
|
|
|
set -e
|
|
#set -x
|
|
|
|
function yes_or_no {
|
|
while true; do
|
|
read -p "$* [y/n]: " yn
|
|
case $yn in
|
|
[Yy]*) return 0 ;;
|
|
[Nn]*)
|
|
return 1
|
|
;;
|
|
esac
|
|
done
|
|
}
|
|
|
|
PV=${1}
|
|
|
|
if [[ -z ${PV} ]]; then
|
|
echo "must supply a PV name"
|
|
exit 1
|
|
fi
|
|
|
|
PV_ORIG_FILE="/tmp/${PV}-orig.yaml"
|
|
PV_TMP_FILE="/tmp/${PV}-tmp.yaml"
|
|
|
|
# save original
|
|
if [[ -f ${PV_ORIG_FILE} ]]; then
|
|
yes_or_no "It appears we already made a backup of ${PV}. Would you like to use the existing backup? (if no, a fresh backup will be created)" && {
|
|
:
|
|
} || {
|
|
rm "${PV_ORIG_FILE}"
|
|
}
|
|
fi
|
|
|
|
if [[ ! -f ${PV_ORIG_FILE} ]]; then
|
|
kubectl get pv "${PV}" -o yaml >"${PV_ORIG_FILE}"
|
|
fi
|
|
|
|
reclaimPolicy=$(yq eval '.spec.persistentVolumeReclaimPolicy' "${PV_ORIG_FILE}")
|
|
|
|
# copy file for editing
|
|
cp "${PV_ORIG_FILE}" "${PV_TMP_FILE}"
|
|
|
|
# pre-process before edit
|
|
yq -i eval 'del(.metadata.resourceVersion)' "${PV_TMP_FILE}"
|
|
|
|
# manually edit
|
|
${EDITOR} "${PV_TMP_FILE}"
|
|
|
|
# ask if looks good
|
|
yq eval '.' "${PV_TMP_FILE}"
|
|
yes_or_no "Would you like to delete the existing PV object and recreate with the above data?"
|
|
|
|
# set relaim to Retain on PV
|
|
kubectl patch pv "${PV}" -p '{"spec":{"persistentVolumeReclaimPolicy":"Retain"}}'
|
|
|
|
# delete PV from API
|
|
kubectl delete pv "${PV}" --wait=false
|
|
kubectl patch pv "${PV}" -p '{"metadata":{"finalizers": null }}' &>/dev/null || true
|
|
|
|
# re-apply newly updated file
|
|
kubectl apply -f "${PV_TMP_FILE}"
|
|
|
|
# restore original reclaim value
|
|
kubectl patch pv "${PV}" -p "{\"spec\":{\"persistentVolumeReclaimPolicy\":\"${reclaimPolicy}\"}}"
|
|
|
|
# spit out any zfs properties updates
|
|
yes_or_no "Would you like to delete the PV backup file?" && {
|
|
rm "${PV_ORIG_FILE}"
|
|
} || {
|
|
:
|
|
}
|
|
|
|
rm "${PV_TMP_FILE}"
|
|
echo "Edit complete!"
|