{
  "Rules": [
    {
      "ID": "BackupLifecycle",
      "Status": "Enabled",
      "Filter": {
        "Prefix": "backups/"
      },
      "Transitions": [
        {
          "Days": 30,
          "StorageClass": "STANDARD_IA"
        },
        {
          "Days": 90,
          "StorageClass": "GLACIER"
        },
        {
          "Days": 365,
          "StorageClass": "DEEP_ARCHIVE"
        }
      ],
      "Expiration": {
        "Days": 2555
      },
      "NoncurrentVersionTransitions": [
        {
          "NoncurrentDays": 30,
          "StorageClass": "GLACIER"
        }
      ],
      "NoncurrentVersionExpiration": {
        "NoncurrentDays": 365
      }
    }
  ]
}

{
  "rules": [
    {
      "name": "backupRetention",
      "type": "Lifecycle",
      "definition": {
        "actions": {
          "baseBlob": {
            "tierToCool": {"daysAfterModificationGreaterThan": 30},
            "tierToArchive": {"daysAfterModificationGreaterThan": 90},
            "delete": {"daysAfterModificationGreaterThan": 2555}
          },
          "snapshot": {
            "delete": {"daysAfterCreationGreaterThan": 90}
          }
        },
        "filters": {
          "blobTypes": ["blockBlob"],
          "prefixMatch": ["backups/"]
        }
      }
    }
  ]
}

#!/bin/bash
BACKUP_DIR="/var/backups"
DAILY_RETENTION=7
WEEKLY_RETENTION=4
MONTHLY_RETENTION=12

undefined

#!/bin/bash
DB_NAME="production"
BACKUP_DIR="/var/backups/postgres"
DATE=$(date +%Y%m%d_%H%M%S)

undefined

#!/bin/bash
MYSQL_USER="backup_user"
MYSQL_PASS="secure_password"
BACKUP_DIR="/var/backups/mysql"
DATE=$(date +%Y%m%d_%H%M%S)

undefined

Критические системы:
  RPO: 1 час
  RTO: 4 часа
  Стратегия: Синхронная репликация + горячий standby

Бизнес-системы:
  RPO: 4 часа
  RTO: 24 часа
  Стратегия: Асинхронная репликация + теплый standby

Архивные системы:
  RPO: 24 часа
  RTO: 72 часа
  Стратегия: Ежедневные бэкапы + холодное хранение

from datetime import datetime, timedelta
from typing import List, Dict

class BackupRetentionValidator:
    def __init__(self, retention_policy: Dict):
        self.policy = retention_policy

    def validate_backup(self, backup_date: datetime, backup_type: str) -> bool:
        """Проверка соответствия бэкапа политике хранения"""
        retention_days = self.policy.get(backup_type, {}).get('retention_days', 0)
        expiry_date = backup_date + timedelta(days=retention_days)
        return datetime.now() < expiry_date

    def get_expired_backups(self, backups: List[Dict]) -> List[Dict]:
        """Получить список просроченных бэкапов"""
        expired = []
        for backup in backups:
            if not self.validate_backup(backup['date'], backup['type']):
                expired.append(backup)
        return expired

    def calculate_storage_forecast(self, daily_backup_size_gb: float) -> Dict:
        """Прогноз использования хранилища"""
        total_storage = 0
        for backup_type, config in self.policy.items():
            retention = config.get('retention_days', 0)
            frequency = config.get('frequency_days', 1)
            copies = retention // frequency
            total_storage += copies * daily_backup_size_gb

        return {
            'total_gb': total_storage,
            'monthly_cost_estimate': total_storage * 0.023  # S3 Standard pricing
        }

Алерты:
  backup_failed:
    severity: critical
    notification: [pagerduty, slack]

  backup_size_anomaly:
    threshold: 20%
    severity: warning

  retention_violation:
    severity: high
    action: auto_remediate

  storage_threshold:
    threshold: 80%
    severity: warning