Orkun Karabasoglu

13 papers C 1Journal 8Unranked 4
YearRankTypeTitle / Venue / Authors
2018 J jnl
IEEE Des. Test
Naehyuck Chang, Zili Shao, Xin Li, Orkun Karabasoglu, Wende Zhang
2018 J jnl
IEEE Des. Test
M. Hadi Amini, Paul McNamara, Paul Weng, Orkun Karabasoglu, Yinliang Xu
2017 J jnl
CoRR
Dajian Li, Paul Weng, Orkun Karabasoglu
2017 J jnl
CoRR
Vikram Bhattacharjee, Debanjan Chatterjee, Orkun Karabasoglu
2017 J jnl
CoRR
M. Hadi Amini, Orkun Karabasoglu
2016 conf
EIT
M. Hadi Amini, Kianoosh G. Boroojeni, Cheng Jian Wang, Arash Nejadpak, S. S. Iyengar, Orkun Karabasoglu
2016 conf
MIWAI
Dajian Li, Paul Weng, Orkun Karabasoglu
2016 J jnl
CoRR
M. Hadi Amini, Mostafa Rahmani, Kianoosh G. Boroojeni, George K. Atia, S. S. Iyengar, Orkun Karabasoglu
2016 conf
EIT
M. Hadi Amini, Mostafa Rahmani, Kianoosh G. Boroojeni, George K. Atia, S. Sitharama Iyengar, Orkun Karabasoglu
2016 J jnl
CoRR
Zhiqian Qiao, Orkun Karabasoglu
2015 J jnl
CoRR
M. Hadi Amini, Rupamathi Jaddivada, Sakshi Mishra, Orkun Karabasoglu
2015 conf
ISGT Asia
M. Hadi Amini, Rupamathi Jaddivada, Sakshi Mishra, Orkun Karabasoglu
2014 C conf
EANN
Sanketh S. Shetty, Orkun Karabasoglu
s3-storage/s3_test.py
← Index s3-storage/s3_test.py python
#!/usr/bin/env python3
"""
Simple script to test S3 connectivity and download.
Usage: python s3_test.py
"""

import os
import time
import tempfile
from minio import Minio
from minio.error import S3Error
from dotenv import load_dotenv

# Load environment variables
load_dotenv()

def get_minio_client():
    """Create and return a Minio client using credentials from .env file"""
    endpoint = os.getenv("S3_ENDPOINT")
    access_key = os.getenv("S3_ACCESS_KEY")
    secret_key = os.getenv("S3_SECRET_KEY")
    secure = True 
    
    print(f"Connecting to S3 endpoint: {endpoint} (secure={secure})")
    
    return Minio(
        endpoint=endpoint,
        access_key=access_key,
        secret_key=secret_key,
        secure=secure
    )

def test_connection():
    """Test basic connectivity to S3"""
    try:
        client = get_minio_client()
        
        # Try to list buckets as a basic connectivity test
        buckets = client.list_buckets()
        print(f"Successfully connected to S3. Found {len(buckets)} buckets:")
        for bucket in buckets:
            print(f"  - {bucket.name}")
        
        return client
    except Exception as e:
        print(f"Failed to connect to S3: {e}")
        return None

def test_bucket_access(client, bucket_name):
    """Test access to a specific bucket"""
    try:
        exists = client.bucket_exists(bucket_name)
        if exists:
            print(f"Bucket '{bucket_name}' exists and is accessible")
            
            # List a few objects to verify access
            count = 0
            objects = []
            for obj in client.list_objects(bucket_name, recursive=True):
                print(f"  - {obj.object_name} ({obj.size} bytes)")
                objects.append(obj)
                count += 1
                if count >= 5:
                    break
            
            print(f"Found at least {len(objects)} objects in bucket")
            return objects
        else:
            print(f"Bucket '{bucket_name}' does not exist or is not accessible")
            return []
    except Exception as e:
        print(f"Error accessing bucket '{bucket_name}': {e}")
        return []

def test_download(client, bucket_name, object_name):
    """Test downloading a specific object"""
    try:
        print(f"Attempting to download: {object_name}")
        start_time = time.time()
        
        # Create a temporary file to store the downloaded object
        with tempfile.NamedTemporaryFile(delete=False) as temp_file:
            temp_path = temp_file.name
        
        # Download the object
        client.fget_object(bucket_name, object_name, temp_path)
        
        # Check if the file was downloaded successfully
        file_size = os.path.getsize(temp_path)
        elapsed_time = time.time() - start_time
        
        print(f"Download successful: {file_size} bytes in {elapsed_time:.2f} seconds")
        print(f"Average download speed: {file_size/elapsed_time/1024:.2f} KB/s")
        
        # Clean up
        os.unlink(temp_path)
        return True
    except S3Error as e:
        print(f"S3 Error during download: {e}")
        return False
    except Exception as e:
        print(f"Error downloading object: {e}")
        return False

def main():
    """Main function to run all tests"""
    print("=== S3 Connectivity Test ===")
    
    # Test basic connectivity
    client = test_connection()
    if not client:
        return
    
    # Get bucket name from environment variable
    bucket_name = "redb"
    print(f"\n=== Testing Access to Bucket: {bucket_name} ===")
    objects = test_bucket_access(client, bucket_name)
    
    if objects:
        # Test downloading the first object
        first_object = objects[0].object_name
        print(f"\n=== Testing Download of Object: {first_object} ===")
        test_download(client, bucket_name, first_object)
        
        # If the first one worked, let's try a specific file from the error log
        print(f"\n=== Testing Download of Specific Object ===")
        specific_object = "00/06/00062073114defac39cb7ab9cb99a0b77c535a09a241c60d47ddd0b6431629f1.zip"
        test_download(client, bucket_name, specific_object)

if __name__ == "__main__":
    main()