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CKS/CSI: fix PVC deletion script to avoid '(standard input)' and use kubectl -o name/jsonpath

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This commit is contained in:
Pearl Dsilva 2025-11-03 13:08:27 -05:00
parent 3d6cafe193
commit fdd4ce4818
1 changed files with 52 additions and 30 deletions
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82
plugins/integrations/kubernetes-service/src/main/resources/script/delete-pv-reclaimpolicy-delete
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@ -33,23 +33,33 @@ delete_workloads_using_pvc() {
local deleted_count=0
# Find & delete any deployment using the PVC
/opt/bin/kubectl get deployments -n "$namespace" -o json 2>/dev/null | grep -l "$pvc_name" | \
while IFS= read -r deployment; do
if [ -n "$deployment" ]; then
deployment_name=$(echo "$deployment" | cut -d'/' -f2)
echo "$(timestamp) - Deleting Deployment: $deployment_name"
/opt/bin/kubectl delete deployment "$deployment_name" -n "$namespace" --ignore-not-found=true
# Iterate resource names and check the volumes via jsonpath to avoid grep -l on JSON (which prints "(standard input)")
/opt/bin/kubectl get deployments -n "$namespace" -o name 2>/dev/null | \
while IFS= read -r resource; do
if [ -z "$resource" ]; then
continue
fi
name=${resource#*/}
dep_volumes=$(/opt/bin/kubectl get deployment "$name" -n "$namespace" -o jsonpath='{.spec.template.spec.volumes[*].persistentVolumeClaim.claimName}' 2>/dev/null || echo "")
if [ -n "$dep_volumes" ] && echo "$dep_volumes" | grep -F -q "$pvc_name"; then
echo "$(timestamp) - Deleting Deployment: $name"
/opt/bin/kubectl delete deployment "$name" -n "$namespace" --ignore-not-found=true
deleted_count=$((deleted_count + 1))
fi
done
# Find and delete any StatefulSet using the PVC
/opt/bin/kubectl get statefulsets -n "$namespace" -o json 2>/dev/null | grep -l "$pvc_name" | \
while IFS= read -r sts; do
if [ -n "$sts" ]; then
sts_name=$(echo "$sts" | cut -d'/' -f2)
echo "$(timestamp) - Deleting StatefulSet: $sts_name"
/opt/bin/kubectl delete statefulset "$sts_name" -n "$namespace" --ignore-not-found=true
/opt/bin/kubectl get statefulsets -n "$namespace" -o name 2>/dev/null | \
while IFS= read -r resource; do
if [ -z "$resource" ]; then
continue
fi
name=${resource#*/}
# Check both template volumes and volumeClaimTemplates
sts_volumes=$(/opt/bin/kubectl get statefulset "$name" -n "$namespace" -o jsonpath='{.spec.template.spec.volumes[*].persistentVolumeClaim.claimName} {.spec.volumeClaimTemplates[*].metadata.name}' 2>/dev/null || echo "")
if [ -n "$sts_volumes" ] && echo "$sts_volumes" | grep -F -q "$pvc_name"; then
echo "$(timestamp) - Deleting StatefulSet: $name"
/opt/bin/kubectl delete statefulset "$name" -n "$namespace" --ignore-not-found=true
deleted_count=$((deleted_count + 1))
fi
done
@ -71,34 +81,46 @@ delete_workloads_using_pvc() {
done
# Find and delete any DaemonSet using the PVC
/opt/bin/kubectl get daemonsets -n "$namespace" -o json 2>/dev/null | grep -l "$pvc_name" | \
while IFS= read -r ds; do
if [ -n "$ds" ]; then
ds_name=$(echo "$ds" | cut -d'/' -f2)
echo "$(timestamp) - Deleting DaemonSet: $ds_name"
/opt/bin/kubectl delete daemonset "$ds_name" -n "$namespace" --ignore-not-found=true
/opt/bin/kubectl get daemonsets -n "$namespace" -o name 2>/dev/null | \
while IFS= read -r resource; do
if [ -z "$resource" ]; then
continue
fi
name=${resource#*/}
ds_volumes=$(/opt/bin/kubectl get daemonset "$name" -n "$namespace" -o jsonpath='{.spec.template.spec.volumes[*].persistentVolumeClaim.claimName}' 2>/dev/null || echo "")
if [ -n "$ds_volumes" ] && echo "$ds_volumes" | grep -F -q "$pvc_name"; then
echo "$(timestamp) - Deleting DaemonSet: $name"
/opt/bin/kubectl delete daemonset "$name" -n "$namespace" --ignore-not-found=true
deleted_count=$((deleted_count + 1))
fi
done
# Find and delete any Job using the PVC
/opt/bin/kubectl get jobs -n "$namespace" -o json 2>/dev/null | grep -l "$pvc_name" | \
while IFS= read -r job; do
if [ -n "$job" ]; then
job_name=$(echo "$job" | cut -d'/' -f2)
echo "$(timestamp) - Deleting Job: $job_name"
/opt/bin/kubectl delete job "$job_name" -n "$namespace" --ignore-not-found=true
/opt/bin/kubectl get jobs -n "$namespace" -o name 2>/dev/null | \
while IFS= read -r resource; do
if [ -z "$resource" ]; then
continue
fi
name=${resource#*/}
job_volumes=$(/opt/bin/kubectl get job "$name" -n "$namespace" -o jsonpath='{.spec.template.spec.volumes[*].persistentVolumeClaim.claimName}' 2>/dev/null || echo "")
if [ -n "$job_volumes" ] && echo "$job_volumes" | grep -F -q "$pvc_name"; then
echo "$(timestamp) - Deleting Job: $name"
/opt/bin/kubectl delete job "$name" -n "$namespace" --ignore-not-found=true
deleted_count=$((deleted_count + 1))
fi
done
# Find and delete any CronJobs using the PVC
/opt/bin/kubectl get cronjobs -n "$namespace" -o json 2>/dev/null | grep -l "$pvc_name" | \
while IFS= read -r cronjob; do
if [ -n "$cronjob" ]; then
cronjob_name=$(echo "$cronjob" | cut -d'/' -f2)
echo "$(timestamp) - Deleting CronJob: $cronjob_name"
/opt/bin/kubectl delete cronjob "$cronjob_name" -n "$namespace" --ignore-not-found=true
/opt/bin/kubectl get cronjobs -n "$namespace" -o name 2>/dev/null | \
while IFS= read -r resource; do
if [ -z "$resource" ]; then
continue
fi
name=${resource#*/}
cron_volumes=$(/opt/bin/kubectl get cronjob "$name" -n "$namespace" -o jsonpath='{.spec.jobTemplate.spec.template.spec.volumes[*].persistentVolumeClaim.claimName}' 2>/dev/null || echo "")
if [ -n "$cron_volumes" ] && echo "$cron_volumes" | grep -F -q "$pvc_name"; then
echo "$(timestamp) - Deleting CronJob: $name"
/opt/bin/kubectl delete cronjob "$name" -n "$namespace" --ignore-not-found=true
deleted_count=$((deleted_count + 1))
fi
done