src/main/admin/db_start

#!/usr/bin/env python
# -----------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with 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.
# -----------------------------------------------------------------------

import os
import sys

from optparse import HelpFormatter
from optparse import OptionGroup
from optparse import OptionParser

from ducc_util import DuccUtil
from ducc_base import find_ducc_home

# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# +
# + db_start
# +
# + purpose: start DUCC's Cassandra database
# + 
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

class DbStart(DuccUtil):

	def main(self, argv):
		usage = 'usage: use this command to start the DUCC database, regardless of ducc.database.automanage in ducc.properties'
		parser = OptionParser(usage)
		options, args = parser.parse_args()
		if ( not self.verify_jvm() ):
			sys.exit(1);
		try:
			if ( not self.db_start() ):
				print 'Failed to start or connect to the database.'
				sys.exit(1)
		except:
			# print e
			print sys.exc_info()[0], 'Cannot start the database.'
			sys.exit(1)
        
if __name__ == '__main__':
	DUCC_HOME = find_ducc_home()
   	propsfile = DUCC_HOME + '/resources/site.ducc.properties'
   	if ( not os.path.exists(propsfile) ):
   		print '\n>> ERROR >> Missing site.ducc.properties -- please run ducc_post_install\n'
   		sys.exit(99)
   	instance = DbStart(merge=True)
   	instance.main(sys.argv[1:])