#!/bin/bash
# System configuration backup script
# Generated by Ansible

DATE=$(date +%Y%m%d_%H%M%S)
BACKUP_DIR="/opt/backups/system"
LOG_FILE="/var/log/backups/system.log"

echo "$(date): Starting system backup" >> "$LOG_FILE"

# Create backup directory
mkdir -p "$BACKUP_DIR/$DATE"

# Backup important system directories
for dir in /etc /var/lib/dpkg /var/lib/apt/extended_states; do
    if [ -d "$dir" ]; then
        echo "$(date): Backing up $dir" >> "$LOG_FILE"
        rsync -av "$dir" "$BACKUP_DIR/$DATE/" >> "$LOG_FILE" 2>&1
    fi
done

# Backup crontabs
if [ -d /var/spool/cron/crontabs ]; then
    cp -r /var/spool/cron/crontabs "$BACKUP_DIR/$DATE/"
fi

# Create system info snapshot
{
    echo "=== System Info ==="
    uname -a
    lsb_release -a 2>/dev/null
    echo ""
    echo "=== Installed Packages ==="
    dpkg --get-selections
    echo ""
    echo "=== Services ==="
    systemctl list-unit-files --type=service --state=enabled
} > "$BACKUP_DIR/$DATE/system-info.txt"

# Keep only last 30 days of system backups
find "$BACKUP_DIR" -type d -name "20*" -mtime +30 -exec rm -rf {} \; 2>/dev/null

echo "$(date): System backup completed" >> "$LOG_FILE"