update db backup restore

docs/backup_restore/README.md

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+To backup an application database run:
+$ sh app-db-backup.sh 
+App name (inventory|catalog)> catalog
+
+
+It will create catalog-db-20230714-110218-development.gz
+
+
+catalog-db-restore.sh
+
+To restore a database backup to a new DB, first you need to get the NEW DB set up
+
+cf create-service aws-rds medium-gp-psql catalog-new-db -c "{\"storage\": 250, \"version\": \"12\"}"
+refer to existing DB for correct plan and storage size
+
+then run:
+$ sh app-db-restore.sh 
+S3 Backup path> catalog-db-20230714-110218-development.gz
+New Service name> catalog-new-db

docs/backup_restore/app-db-backup.sh

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+# backup database to a dump zip file in S3 bucket cg-2bd85037-4eb6-450a-87f4-460d932a6c40
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+# Get input params
+space_name=$(cf t | grep "space" | cut -d ':' -f 2 | awk '{$1=$1};1')
+read -rp "App name (inventory|catalog)> " app_name
+
+function wait_for () {
+  while ! (cf tasks backup-manager | grep -q "$1 .*SUCCEEDED"); do
+    echo "$1 .*SUCCEEDED"
+    sleep 30
+  done
+}
+
+cf set-env backup-manager DATASTORE_S3_SERVICE_NAME backup-manager-s3
+
+backup_id=$$
+backup_path="$app_name-db-$(date +%Y%m%d-%H%M%S)-$space_name.gz" 
+
+cf run-task backup-manager  --name "$app_name-db-backup-$backup_id" --command "backup psql $app_name-db $backup_path"
+
+wait_for "$app_name-db-backup-$backup_id"

docs/backup_restore/app-db-restore.sh

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+# restore catalog-db from a dump zip file in S3 bucket cg-2bd85037-4eb6-450a-87f4-460d932a6c40
+
+set -o errexit
+set -o pipefail
+set -o nounset
+
+# Service name: the name of the service that is hosting the S3 Backup
+# Backup path: the path in S3 that is the backup location
+read -rp "S3 Backup path> " backup_path
+read -rp "New Service name> " service_name
+
+function wait_for () {
+  while ! (cf tasks backup-manager | grep -q "$1 .*SUCCEEDED"); do
+    sleep 5
+  done
+}
+
+cf set-env backup-manager DATASTORE_S3_SERVICE_NAME backup-manager-s3
+cf bind-service backup-manager "$service_name"
+cf restart backup-manager
+
+# # Restore backup
+restore_id=$$
+cf run-task backup-manager --name "db-restore-$restore_id" --command "PG_RESTORE_OPTIONS='--no-acl' restore psql $service_name $backup_path"
+
+# # This job may return "FAILED", and may not return successfully
+wait_for "db-restore-$restore_id"
+