def executeCommand(self, cmd, request):
#DB maintenance commands
try:
if cmd=='DB_BACKUP':
output_file = request.data
try:
_db.lock()
backfiles = _db.db_handle._backup(output_file)
finally:
_db.unlock()
return (0, 'Database backup completed successfully.')
elif cmd=='DB_RESTORE':
backup_set = request.data
_db.db_handle._restore(backup_set)
return (0, 'Database restore completed successfully.')
elif cmd=='DB_RECOVER':
_db.close()
_db._recover()
return (0, 'Database recovery completed successfully.')
elif cmd=='DB_SHRINK':
iLogs = _db.db_handle._shrink()
if iLogs:
return (0, 'Successfully removed %d log files.' % iLogs)
else:
return (0, 'No log files removed.')
# unknown command
else:
logger.warning(
'Management service received unknown command: %s' % cmd)
return (-1, 'Unknown command.')
except IOError:
return (-1, 'Invalid file path.')
except NotImplementedError:
return (-1, 'Unsupported command.')
def lock_db():
_db.lock()
def lock_db():
_db.lock()
