nokia.gscm

+ 1 #============================================================================ + 2 #Name : gscm.py + 3 #Part of : Helium + 4 + 5 #Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). + 6 #All rights reserved. + 7 #This component and the accompanying materials are made available + 8 #under the terms of the License "Eclipse Public License v1.0" + 9 #which accompanies this distribution, and is available +10 #at the URL "http://www.eclipse.org/legal/epl-v10.html". +11 # +12 #Initial Contributors: +13 #Nokia Corporation - initial contribution. +14 # +15 #Contributors: +16 # +17 #Description: +18 #=============================================================================== +19 +20 """ Wrapper module that get CCM info using GSCM framework. """ +21 +22 +23 import logging +24 import os +25 import subprocess +26 +27 +28 # Uncomment this line to enable logging in this module, or configure logging elsewhere +29 #logging.basicConfig(level=logging.DEBUG) +30 _logger = logging.getLogger("gscm") +31 +32 +

33 -def _execute(command): +

34 """ Runs a command and returns the result data. """ +35 process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) +36 output = process.stdout.read() +37 process.poll() +38 status = process.returncode +39 return (output, status) +

40 +41 +

42 -def __get_gscm_info(method, dbname): +

43 """ Generic method that call function 'method' on GSCM wrapper script. """ +44 command = "perl " + os.path.join(os.environ['HELIUM_HOME'], "tools/common/bin/get_gscm_info.pl") +45 command += " %s %s" % (method, dbname) +46 _logger.debug("Running command: %s" % command) +47 (output, status) = _execute(command) +48 _logger.debug("Status: %s" % status) +49 _logger.debug("Output: %s" % output) +50 if status == 0 or status == None and not ("Can't locate" in output): +51 return output.strip() +52 if not 'HLM_SUBCON' in os.environ: +53 raise Exception("Error retrieving get_db_path info for '%s' database.\nOUTPUT:%s" % (dbname, output.strip())) +54 return None +

55 +

56 -def get_db_path(dbname): +

57 """ Returns the database path for dbname database. """ +58 _logger.debug("get_db_path: %s" % dbname) +59 return __get_gscm_info('get_db_path', dbname) +

60 +61 +

62 -def get_router_address(dbname): +

63 """ Returns the database router address for dbname database. """ +64 _logger.debug("get_router_address: %s" % dbname) +65 return __get_gscm_info('get_router_address', dbname) +

66 +67 +

68 -def get_engine_host(dbname): +

69 """ Returns the database engine host for dbname database. """ +70 _logger.debug("get_engine_host: %s" % dbname) +71 return __get_gscm_info('get_engine_host', dbname) +

72 +

Source Code for Module nokia.gscm