120 lines
3.3 KiB
Python
120 lines
3.3 KiB
Python
"""MinIO storage client utilities."""
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import logging
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from io import BytesIO
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from typing import BinaryIO
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import boto3
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from botocore.client import Config
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from botocore.exceptions import ClientError
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from app.core.config import settings
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logger = logging.getLogger(__name__)
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class StorageClient:
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"""MinIO storage client wrapper."""
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def __init__(self):
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"""Initialize MinIO client."""
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self.client = boto3.client(
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"s3",
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endpoint_url=f"{'https' if settings.MINIO_SECURE else 'http'}://{settings.MINIO_ENDPOINT}",
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aws_access_key_id=settings.MINIO_ACCESS_KEY,
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aws_secret_access_key=settings.MINIO_SECRET_KEY,
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config=Config(signature_version="s3v4"),
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)
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self.bucket = settings.MINIO_BUCKET
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self._ensure_bucket_exists()
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def _ensure_bucket_exists(self) -> None:
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"""Create bucket if it doesn't exist."""
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try:
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self.client.head_bucket(Bucket=self.bucket)
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except ClientError:
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logger.info(f"Creating bucket: {self.bucket}")
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self.client.create_bucket(Bucket=self.bucket)
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def upload_file(self, file_data: BinaryIO, object_name: str, content_type: str) -> str:
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"""Upload file to MinIO.
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Args:
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file_data: File data to upload
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object_name: S3 object name (path)
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content_type: MIME type of the file
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Returns:
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str: Object URL
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Raises:
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Exception: If upload fails
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"""
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try:
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self.client.upload_fileobj(
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file_data,
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self.bucket,
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object_name,
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ExtraArgs={"ContentType": content_type},
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)
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return f"{settings.MINIO_ENDPOINT}/{self.bucket}/{object_name}"
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except ClientError as e:
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logger.error(f"Failed to upload file {object_name}: {e}")
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raise
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def download_file(self, object_name: str) -> BytesIO:
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"""Download file from MinIO.
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Args:
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object_name: S3 object name (path)
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Returns:
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BytesIO: File data
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Raises:
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Exception: If download fails
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"""
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try:
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file_data = BytesIO()
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self.client.download_fileobj(self.bucket, object_name, file_data)
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file_data.seek(0)
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return file_data
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except ClientError as e:
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logger.error(f"Failed to download file {object_name}: {e}")
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raise
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def delete_file(self, object_name: str) -> None:
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"""Delete file from MinIO.
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Args:
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object_name: S3 object name (path)
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Raises:
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Exception: If deletion fails
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"""
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try:
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self.client.delete_object(Bucket=self.bucket, Key=object_name)
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except ClientError as e:
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logger.error(f"Failed to delete file {object_name}: {e}")
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raise
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def file_exists(self, object_name: str) -> bool:
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"""Check if file exists in MinIO.
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Args:
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object_name: S3 object name (path)
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Returns:
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bool: True if file exists, False otherwise
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"""
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try:
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self.client.head_object(Bucket=self.bucket, Key=object_name)
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return True
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except ClientError:
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return False
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# Global storage client instance
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storage_client = StorageClient()
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