"""Verify storage using a unique temporary object, preserving all existing objects."""
import io
import os
import uuid
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "alpha.settings")
import django
django.setup()
from django.conf import settings
from minio import Minio

client = Minio(settings.MINIO_ENDPOINT, access_key=settings.MINIO_ACCESS_KEY,
               secret_key=settings.MINIO_SECRET_KEY,
               secure=str(getattr(settings, "MINIO_USE_SSL", False)).lower() == "true")
bucket = getattr(settings, "MINIO_BUCKET", None) or "pi-continuum"
key = "__update_verify/" + uuid.uuid4().hex
data = os.urandom(32)
try:
    client.put_object(bucket, key, io.BytesIO(data), len(data))
    response = client.get_object(bucket, key)
    try:
        if response.read() != data:
            raise RuntimeError("storage verification failed")
    finally:
        response.close()
        response.release_conn()
finally:
    client.remove_object(bucket, key)