2012-04-03 04:50:05 -07:00

79 lines
2.9 KiB
Python

# Copyright 2012 Citrix Systems, Inc. Licensed under the
# Apache License, Version 2.0 (the "License"); you may not use this
# file except in compliance with the License. Citrix Systems, Inc.
# reserves all rights not expressly granted by the License.
# You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Automatically generated by addcopyright.py at 04/03/2012
import MySQLdb
import os
from utilities import bash
from cloudException import CloudRuntimeException
import sys
class Database:
"""Database connection"""
def __init__(self, username, password=None, host='localhost', port='3306', db="cloud"):
self.host = host
self.username = username
self.password = password
self.port = port
self.db = db
def execute(self, statement):
txn = None
try:
if self.password is not None:
txn = MySQLdb.Connect(host=self.host, user=self.username,
passwd=self.password, db=self.db)
else:
txn = MySQLdb.Connect(host=self.host, user=self.username,
db=self.db)
cursor = txn.cursor()
cursor.execute(statement)
cursor.close()
txn.commit()
if txn is not None:
try:
txn.close()
except:
pass
except:
if txn is not None:
try:
txn.close()
except:
pass
raise CloudRuntimeException("Failed to execute:%s"%statement)
def testConnection(self):
try:
if self.password is not None:
db = MySQLdb.Connect(host=self.host, user=self.username,
passwd=self.password, db=self.db)
else:
db = MySQLdb.Connect(host=self.host, user=self.username,
db=self.db)
return True
except:
raise CloudRuntimeException("Failed to Connect to DB")
def executeFromFile(self, file):
if not os.path.exists(file):
return False
cmdLine = "mysql --host=" + self.host + " --port=" + str(self.port) + " --user=" + self.username
if self.password is not None:
cmdLine += " --password=" + self.password
cmdLine += " < " + file
try:
bash(cmdLine)
except:
raise CloudRuntimeException("Failed to execute " + cmdLine)