backup-pdb.sh

#!/bin/bash

# Set the name of the namespace
namespace="my-namespace"

# Create a backup directory
backup_dir="pdb-backup-$(date +%s)"
mkdir $backup_dir

# Get the names of all PDBs in the namespace
pdb_list=$(kubectl get pdb -n $namespace -o jsonpath='{.items[*].metadata.name}')

# Loop through the PDBs and backup their deployments and services
for pdb in $pdb_list; do
    # Get the name of the deployment associated with the PDB
    deployment=$(kubectl get pdb $pdb -n $namespace -o jsonpath='{.spec.selector.matchLabels.app}')

    # Backup the deployment and its associated services
    kubectl get deployment $deployment -n $namespace -o yaml > $backup_dir/$deployment.yaml
    kubectl get service -l app=$deployment -n $namespace -o yaml > $backup_dir/$deployment-services.yaml
done