Module backup 

Configuration backup and rollback functionality

This module provides:

• Configuration file backup before changes
• Rollback to previous configurations
• Configuration history tracking
• Automatic backup on configuration changes

Structs

ConfigBackup

Backup metadata

ConfigHistoryEntry

Configuration history entry

PgHbaRule

pg_hba.conf rule

Enums

PgHbaDiff

pg_hba.conf difference

Functions

backup_config

Create a backup of PostgreSQL configuration files

cleanup_old_backups

Delete old backups, keeping only the most recent N backups

diff_pg_hba_rules

Compare two sets of pg_hba rules and return differences

list_backups

List available configuration backups

parse_pg_hba_rules

Parse pg_hba.conf into structured rules

read_pg_hba

Read current pg_hba.conf content

restore_backup

Restore configuration from a backup

rollback_config

Rollback to the most recent backup