405 lines
14 KiB
Python
405 lines
14 KiB
Python
"""
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S3 Bucket Discovery and Registration Script
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Discovers all AWS S3 buckets and allows interactive selection to register them
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as SiteDeployment records for use in the site assignment pool.
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"""
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import os
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import sys
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import hashlib
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import logging
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from typing import List, Dict, Optional
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from datetime import datetime
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import boto3
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import click
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from botocore.exceptions import ClientError, BotoCoreError, NoCredentialsError
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# Add parent directory to path for imports
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from src.database.session import db_manager
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from src.database.repositories import SiteDeploymentRepository
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from src.deployment.s3_storage import map_aws_region_to_short_code
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logging.basicConfig(level=logging.INFO)
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logger = logging.getLogger(__name__)
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class BucketInfo:
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"""Information about an S3 bucket"""
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def __init__(self, name: str, region: str, creation_date: Optional[datetime] = None):
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self.name = name
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self.region = region
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self.creation_date = creation_date
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self.is_registered = False
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def __repr__(self):
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return f"BucketInfo(name={self.name}, region={self.region})"
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def get_s3_client():
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"""
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Create and return a boto3 S3 client
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Raises:
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SystemExit: If AWS credentials are not found
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"""
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try:
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access_key = os.getenv('AWS_ACCESS_KEY_ID')
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secret_key = os.getenv('AWS_SECRET_ACCESS_KEY')
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if not access_key or not secret_key:
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click.echo("Error: AWS credentials not found.", err=True)
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click.echo("Please set AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment variables.", err=True)
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sys.exit(1)
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return boto3.client('s3')
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except Exception as e:
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click.echo(f"Error creating S3 client: {e}", err=True)
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sys.exit(1)
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def list_all_buckets(s3_client) -> List[BucketInfo]:
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"""
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List all S3 buckets and retrieve their metadata
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Args:
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s3_client: boto3 S3 client
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Returns:
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List of BucketInfo objects
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Raises:
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SystemExit: If unable to list buckets
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"""
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try:
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response = s3_client.list_buckets()
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buckets = []
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for bucket in response.get('Buckets', []):
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bucket_name = bucket['Name']
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creation_date = bucket.get('CreationDate')
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# Get bucket region
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try:
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region_response = s3_client.get_bucket_location(Bucket=bucket_name)
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region = region_response.get('LocationConstraint', 'us-east-1')
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# AWS returns None for us-east-1, so normalize it
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if region is None or region == '':
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region = 'us-east-1'
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except ClientError as e:
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error_code = e.response.get('Error', {}).get('Code', '')
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if error_code == 'AccessDenied':
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logger.warning(f"Access denied to get region for bucket {bucket_name}, using default")
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region = 'us-east-1'
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else:
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logger.warning(f"Could not get region for bucket {bucket_name}: {e}, using default")
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region = 'us-east-1'
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buckets.append(BucketInfo(
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name=bucket_name,
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region=region,
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creation_date=creation_date
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))
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return buckets
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except NoCredentialsError:
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click.echo("Error: AWS credentials not found or invalid.", err=True)
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click.echo("Please configure AWS credentials using:", err=True)
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click.echo(" - Environment variables: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY", err=True)
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click.echo(" - AWS credentials file: ~/.aws/credentials", err=True)
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click.echo(" - IAM role (if running on EC2)", err=True)
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sys.exit(1)
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except ClientError as e:
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error_code = e.response.get('Error', {}).get('Code', '')
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error_message = e.response.get('Error', {}).get('Message', str(e))
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click.echo(f"Error listing buckets: {error_code} - {error_message}", err=True)
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if error_code == 'AccessDenied':
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click.echo("Insufficient permissions. Ensure your AWS credentials have s3:ListAllMyBuckets permission.", err=True)
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sys.exit(1)
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except Exception as e:
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click.echo(f"Unexpected error listing buckets: {e}", err=True)
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sys.exit(1)
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def check_existing_deployments(site_repo: SiteDeploymentRepository, bucket_names: List[str]) -> Dict[str, bool]:
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"""
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Check which buckets are already registered in the database
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Args:
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site_repo: SiteDeploymentRepository instance
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bucket_names: List of bucket names to check
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Returns:
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Dictionary mapping bucket names to boolean (True if registered)
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"""
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existing = {}
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all_sites = site_repo.get_all()
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registered_buckets = {
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site.s3_bucket_name
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for site in all_sites
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if site.s3_bucket_name and site.storage_provider in ('s3', 's3_compatible')
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}
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for bucket_name in bucket_names:
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existing[bucket_name] = bucket_name in registered_buckets
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return existing
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def generate_unique_hostname(bucket_name: str, site_repo: SiteDeploymentRepository, attempt: int = 0) -> str:
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"""
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Generate a unique hostname for the pull_zone_bcdn_hostname field
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Args:
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bucket_name: S3 bucket name
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site_repo: SiteDeploymentRepository to check for existing hostnames
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attempt: Retry attempt number (for appending suffix)
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Returns:
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Unique hostname string
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"""
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if attempt == 0:
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base_hostname = f"s3-{bucket_name}.b-cdn.net"
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else:
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base_hostname = f"s3-{bucket_name}-{attempt}.b-cdn.net"
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# Check if hostname already exists
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existing = site_repo.get_by_bcdn_hostname(base_hostname)
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if existing is None:
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return base_hostname
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# Try again with incremented suffix
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return generate_unique_hostname(bucket_name, site_repo, attempt + 1)
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def generate_bucket_hash(bucket_name: str) -> int:
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"""
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Generate a numeric hash from bucket name for placeholder IDs
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Args:
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bucket_name: S3 bucket name
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Returns:
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Integer hash (positive, within reasonable range)
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"""
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hash_obj = hashlib.md5(bucket_name.encode())
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hash_int = int(hash_obj.hexdigest(), 16)
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# Take modulo to keep it reasonable, but ensure it's positive
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return abs(hash_int % 1000000)
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def register_bucket(
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bucket_info: BucketInfo,
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site_repo: SiteDeploymentRepository,
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site_name: Optional[str] = None,
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custom_domain: Optional[str] = None
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) -> bool:
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"""
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Register an S3 bucket as a SiteDeployment record
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Args:
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bucket_info: BucketInfo object with bucket details
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site_repo: SiteDeploymentRepository instance
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site_name: Optional site name (defaults to bucket name)
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custom_domain: Optional custom domain for S3
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Returns:
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True if successful, False otherwise
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"""
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bucket_name = bucket_info.name
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bucket_region = bucket_info.region
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# Check if already registered
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all_sites = site_repo.get_all()
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for site in all_sites:
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if site.s3_bucket_name == bucket_name and site.storage_provider == 's3':
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click.echo(f" [SKIP] Bucket '{bucket_name}' is already registered (site_id={site.id})")
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return False
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# Generate placeholder values for Bunny.net fields
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bucket_hash = generate_bucket_hash(bucket_name)
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short_region = map_aws_region_to_short_code(bucket_region)
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unique_hostname = generate_unique_hostname(bucket_name, site_repo)
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# Use provided site_name or default to bucket name
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final_site_name = site_name or bucket_name
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try:
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deployment = site_repo.create(
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site_name=final_site_name,
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storage_provider='s3',
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storage_zone_id=bucket_hash,
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storage_zone_name=f"s3-{bucket_name}",
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storage_zone_password="s3-placeholder",
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storage_zone_region=short_region,
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pull_zone_id=bucket_hash,
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pull_zone_bcdn_hostname=unique_hostname,
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custom_hostname=None,
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s3_bucket_name=bucket_name,
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s3_bucket_region=bucket_region,
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s3_custom_domain=custom_domain,
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s3_endpoint_url=None
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)
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click.echo(f" [OK] Registered bucket '{bucket_name}' as site_id={deployment.id}")
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return True
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except ValueError as e:
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click.echo(f" [ERROR] Failed to register bucket '{bucket_name}': {e}", err=True)
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return False
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except Exception as e:
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click.echo(f" [ERROR] Unexpected error registering bucket '{bucket_name}': {e}", err=True)
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return False
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def display_buckets(buckets: List[BucketInfo], existing_map: Dict[str, bool]):
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"""
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Display buckets in a formatted table
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Args:
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buckets: List of BucketInfo objects
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existing_map: Dictionary mapping bucket names to registration status
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"""
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click.echo("\n" + "=" * 80)
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click.echo("Available S3 Buckets")
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click.echo("=" * 80)
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click.echo(f"{'#':<4} {'Bucket Name':<40} {'Region':<15} {'Status':<15}")
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click.echo("-" * 80)
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for idx, bucket in enumerate(buckets, 1):
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bucket.is_registered = existing_map.get(bucket.name, False)
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status = "[REGISTERED]" if bucket.is_registered else "[AVAILABLE]"
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click.echo(f"{idx:<4} {bucket.name:<40} {bucket.region:<15} {status:<15}")
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click.echo("=" * 80)
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def main():
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"""Main entry point for the discovery script"""
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click.echo("S3 Bucket Discovery and Registration")
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click.echo("=" * 80)
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# Initialize database
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try:
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db_manager.initialize()
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except Exception as e:
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click.echo(f"Error initializing database: {e}", err=True)
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sys.exit(1)
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session = db_manager.get_session()
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site_repo = SiteDeploymentRepository(session)
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try:
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# Get S3 client
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click.echo("\nConnecting to AWS S3...")
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s3_client = get_s3_client()
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# List all buckets
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click.echo("Discovering S3 buckets...")
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buckets = list_all_buckets(s3_client)
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if not buckets:
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click.echo("No S3 buckets found in your AWS account.")
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return
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# Check which buckets are already registered
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bucket_names = [b.name for b in buckets]
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existing_map = check_existing_deployments(site_repo, bucket_names)
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# Display buckets
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display_buckets(buckets, existing_map)
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# Filter out already registered buckets
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available_buckets = [b for b in buckets if not existing_map.get(b.name, False)]
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if not available_buckets:
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click.echo("\nAll buckets are already registered.")
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return
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# Prompt for bucket selection
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click.echo(f"\nFound {len(available_buckets)} available bucket(s) to register.")
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click.echo("Enter bucket numbers to register (comma-separated, e.g., 1,3,5):")
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click.echo("Or press Enter to skip registration.")
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selection_input = click.prompt("Selection", default="", type=str).strip()
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if not selection_input:
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click.echo("No buckets selected. Exiting.")
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return
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# Parse selection
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try:
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selected_indices = [int(x.strip()) - 1 for x in selection_input.split(',')]
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except ValueError:
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click.echo("Error: Invalid selection format. Use comma-separated numbers (e.g., 1,3,5)", err=True)
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return
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# Validate indices
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valid_selections = []
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for idx in selected_indices:
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if 0 <= idx < len(buckets):
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if buckets[idx].name in [b.name for b in available_buckets]:
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valid_selections.append(buckets[idx])
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else:
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click.echo(f"Warning: Bucket #{idx + 1} is already registered, skipping.", err=True)
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else:
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click.echo(f"Warning: Invalid bucket number {idx + 1}, skipping.", err=True)
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if not valid_selections:
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click.echo("No valid buckets selected.")
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return
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# Register selected buckets
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click.echo(f"\nRegistering {len(valid_selections)} bucket(s)...")
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success_count = 0
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for bucket_info in valid_selections:
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click.echo(f"\nRegistering bucket: {bucket_info.name}")
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# Prompt for site name
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default_site_name = bucket_info.name
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site_name = click.prompt("Site name", default=default_site_name, type=str).strip()
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if not site_name:
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site_name = default_site_name
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# Prompt for custom domain (optional)
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custom_domain = click.prompt(
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"Custom domain (optional, press Enter to skip)",
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default="",
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type=str
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).strip()
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if not custom_domain:
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custom_domain = None
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# Confirm registration
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if click.confirm(f"Register '{bucket_info.name}' as '{site_name}'?"):
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if register_bucket(bucket_info, site_repo, site_name, custom_domain):
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success_count += 1
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else:
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click.echo(f" [SKIP] Registration cancelled for '{bucket_info.name}'")
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click.echo(f"\n{'=' * 80}")
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click.echo(f"Registration complete: {success_count}/{len(valid_selections)} bucket(s) registered.")
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click.echo("=" * 80)
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except KeyboardInterrupt:
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click.echo("\n\nOperation cancelled by user.")
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sys.exit(0)
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except Exception as e:
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click.echo(f"\nUnexpected error: {e}", err=True)
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logger.exception("Unexpected error in bucket discovery")
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sys.exit(1)
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finally:
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session.close()
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if __name__ == "__main__":
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main()
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