This script deletes all PVCs and restarted degraded pods.

delete-all-released-pvs.sh

#!/bin/bash

# Get all PVs in the 'Released' state in JSON format
RELEASED_PVS_JSON=$(kubectl get pv -o json | jq -r '.items[] | select(.status.phase == "Released")')

# Check if there are no 'Released' PVs
if [ -z "$RELEASED_PVS_JSON" ]; then
    echo "No PVs in 'Released' state found."
    exit 0
fi

echo "Processing PVs in 'Released' state for forced deletion..."

# Loop through each 'Released' PV and patch it to remove finalizers, then delete
echo "$RELEASED_PVS_JSON" | jq -r '.metadata.name' | while read -r PV_NAME; do
    echo "Removing finalizers for PV: $PV_NAME..."
    kubectl patch pv "$PV_NAME" -p '{"metadata":{"finalizers":[]}}' --type=merge
    echo "Forcing deletion of PV: $PV_NAME..."
    kubectl delete pv "$PV_NAME" --force --grace-period=0
    echo "Deleted PV: $PV_NAME"
done

echo "All 'Released' PVs have been processed for forced deletion."

recreate-all-pvcs-for-degraded-pods.sh

#!/bin/bash

restart_pod() {
    local pod_name=$1
    local namespace=$2
    echo "Restarting pod $pod_name in $namespace..."
    # Note: The pod will be recreated automatically if it is managed by a Deployment, StatefulSet, etc.
    kubectl delete pod $pod_name --namespace $namespace
}

echo "Checking for degraded pods across all namespaces..."
DEGRADED_POD_INFO=$(kubectl get pods --all-namespaces --field-selector=status.phase!=Running,status.phase!=Succeeded -o jsonpath="{range .items[*]}{.metadata.namespace}{'\t'}{.metadata.name}{'\n'}{end}")

while IFS= read -r line; do
    NAMESPACE=$(echo "$line" | cut -f1)
    POD=$(echo "$line" | cut -f2)

    PVCS=$(kubectl get pod $POD --namespace $NAMESPACE -o jsonpath="{.spec.volumes[*].persistentVolumeClaim.claimName}")

    for PVC in $PVCS; do
        if [ ! -z "$PVC" ]; then
            echo "Namespace: $NAMESPACE, Degraded Pod: $POD is using PVC: $PVC"
            echo "Deleting PVC $PVC in $NAMESPACE..."
	    kubectl delete pvc "$PVC" --namespace "$NAMESPACE"

            # Restart the pod to pick up the new PVC. Caution: this can result in downtime.
            restart_pod "$POD" "$NAMESPACE"
        fi
    done
done <<< "$DEGRADED_POD_INFO"

echo "Operation completed."