67 lines
No EOL
3.2 KiB
Python
67 lines
No EOL
3.2 KiB
Python
from pymongo import MongoClient
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import os
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import logging
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# MongoDB connection
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def get_db():
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# Try to read environment variables for MongoDB credentials
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mongo_user = os.environ.get('MONGO_USER')
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mongo_pass = os.environ.get('MONGO_PASS')
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mongo_host = os.environ.get('MONGO_HOST', 'localhost')
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mongo_port = os.environ.get('MONGO_PORT', '27017')
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# Try with standard credentials first
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standard_credentials = [
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{"user": "admin", "pass": "admin", "db": "admin"},
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{"user": "mongodb", "pass": "mongodb", "db": "admin"},
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{"user": "root", "pass": "root", "db": "admin"},
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{"user": "user", "pass": "pass", "db": "admin"}
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]
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# Try each set of standard credentials
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for creds in standard_credentials:
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try:
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uri = f"mongodb://{creds['user']}:{creds['pass']}@{mongo_host}:{mongo_port}/semblance_db?authSource={creds['db']}"
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client = MongoClient(uri, serverSelectionTimeoutMS=2000)
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db = client.semblance_db
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# Test the connection with a simple command
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db.command('ping')
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logging.debug(f"Successfully connected to MongoDB with standard credentials ({creds['user']})")
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return db
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except Exception as e:
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# Continue trying other credentials
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pass
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# Try to connect without authentication if standard credentials don't work
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try:
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client = MongoClient(f'mongodb://{mongo_host}:{mongo_port}', serverSelectionTimeoutMS=5000)
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# Simply use the database as is - MongoDB will allow this if auth is not required
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db = client.semblance_db
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# Test the connection with a simple command
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db.command('ping')
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# Try a write operation to verify we have proper access
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test_result = db.test_collection.insert_one({"test": "auth_test"})
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db.test_collection.delete_one({"_id": test_result.inserted_id})
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logging.debug("Successfully connected to MongoDB without authentication")
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return db
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except Exception as e:
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logging.debug(f"Could not connect without auth: {e}")
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# If we get here, we need authentication - try with environment vars if provided
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if mongo_user and mongo_pass:
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try:
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uri = f"mongodb://{mongo_user}:{mongo_pass}@{mongo_host}:{mongo_port}/semblance_db?authSource=admin"
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client = MongoClient(uri, serverSelectionTimeoutMS=5000)
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db = client.semblance_db
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db.command('ping') # Test the connection
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logging.debug(f"Successfully connected to MongoDB with credentials for user: {mongo_user}")
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return db
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except Exception as e:
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logging.warning(f"Failed to connect with environment credentials: {e}")
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# Last resort - log warning and return client that will fail later if DB actually needs auth
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logging.warning("Could not authenticate with MongoDB. If authentication is required, operations will fail.")
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logging.warning("To fix this: Set MONGO_USER and MONGO_PASS environment variables.")
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# Return a client that will likely fail when operations are performed, but the app will start
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client = MongoClient(f'mongodb://{mongo_host}:{mongo_port}', serverSelectionTimeoutMS=5000)
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return client.semblance_db |