Question

In the below python the message RSU is not supported on single node machine** is not getting printed. can anyone help please??

#! /usr/bin/env python

import sys

class SWMException(Exception):
    def __init__(self, arg):
        print "inside exception"
        Exception.__init__(self, arg)

class RSUNotSupported(SWMException):
    def __init__(self):
        SWMException.__init__(self, "**RSU is not supported on single node machine**")

def isPrepActionNeeded():
    if 1==1:
        raise RSUNotSupported()
try:
    isPrepActionNeeded()
except:
    sys.exit(1)

Answer 1

Change the last two lines to:

except Exception as e:
    print e
    sys.exit(1)

I use just Exception here to keep this the equivalent of a bare except:. You really should use RSUNotSupported so you don’t hide other types of errors.