connect_keypair.py

#import snowflake connector module
import snowflake.connector
import sys
import os
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives.asymmetric import dsa
from cryptography.hazmat.primitives import serialization 

# 確定輸入的參數是否給定正確
# Sample: python connect_keypair.py <account> <user> <role> <warehouse> <database> <schema>
if len(sys.argv) < 7 :
    print("ERROR: Please pass the following command-line parameters in order:",end='\n')
    print("account,user,role,warehouse,database,schema.") 
    sys.exit(-1)
else:
    ACCOUNT = sys.argv[1]
    USER = sys.argv[2]
    ROLE = sys.argv[3]
    WAREHOUSE = sys.argv[4]
    DATABASE = sys.argv[5]
    SCHEMA = sys.argv[6]

with open("/Users/abehsu/Documents/Snowflake/Snowpipe_poc/rsa_key.p8", "rb") as key:
    p_key = serialization.load_pem_private_key(
        key.read(),
        password = os.environ['PRIVATE_KEY_PASSPHRASE'].encode(),
        backend=default_backend()
    )

pkb = p_key.private_bytes(
    encoding=serialization.Encoding.DER,
    format=serialization.PrivateFormat.PKCS8,
    encryption_algorithm=serialization.NoEncryption()
)


con = snowflake.connector.connect(
    account=ACCOUNT,    
    user=USER,
    role=ROLE,
    warehouse=WAREHOUSE,
    database=DATABASE,
    schema=SCHEMA,
    private_key=pkb
)

results = con.cursor().execute("SELECT * FROM LIBRARY LIMIT 1")

for result in results:
    print(result[0])