Fix ConfigParser.set error in vmware_inventory (#31643)

Fix adds default 'vmware' section in configuration,
when this section is not found.

Fixes: #31549

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

contrib/inventory/vmware_inventory.py

@@ -1,19 +1,8 @@
 #!/usr/bin/env python
+# -*- coding: utf-8 -*-
 #
-# This file is part of Ansible,
-#
-# Ansible is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# Ansible is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+# Copyright (C): 2017, Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
 # Requirements
 #   - pyvmomi >= 6.0.0.2016.4
@@ -40,7 +29,6 @@ from __future__ import print_function
 
 import atexit
 import datetime
-import getpass
 import itertools
 import json
 import os
@@ -48,7 +36,6 @@ import re
 import ssl
 import sys
 import uuid
-from collections import defaultdict
 from time import time
 
 import six
@@ -67,14 +54,6 @@ try:
 except ImportError:
     sys.exit("ERROR: This inventory script required 'pyVmomi' Python module, it was not able to load it")
 
-hasvcr = False
-try:
-    import vcr
-
-    hasvcr = True
-except ImportError:
-    pass
-
 
 def regex_match(s, pattern):
     '''Custom filter for regex matching'''
@@ -188,7 +167,6 @@ class VMWareInventory(object):
         return json.dumps(data_to_print, indent=2)
 
     def is_cache_valid(self):
-
         ''' Determines if the cache files have expired, or if it is still valid '''
 
         valid = False
@@ -202,21 +180,16 @@ class VMWareInventory(object):
         return valid
 
     def do_api_calls_update_cache(self):
-
         ''' Get instances and cache the data '''
-
         self.inventory = self.instances_to_inventory(self.get_instances())
         self.write_to_cache(self.inventory)
 
     def write_to_cache(self, data):
-
         ''' Dump inventory to json file '''
-
         with open(self.cache_path_cache, 'wb') as f:
             f.write(json.dumps(data))
 
     def get_inventory_from_cache(self):
-
         ''' Read in jsonified inventory '''
 
         jdata = None
@@ -225,7 +198,6 @@ class VMWareInventory(object):
         return json.loads(jdata)
 
     def read_settings(self):
-
         ''' Reads the settings from the vmware_inventory.ini file '''
 
         scriptbasename = __file__
@@ -271,6 +243,9 @@ class VMWareInventory(object):
         vmware_ini_path = os.path.expanduser(os.path.expandvars(vmware_ini_path))
         config.read(vmware_ini_path)
 
+        if 'vmware' not in config.sections():
+            config.add_section('vmware')
+
         # apply defaults
         for k, v in defaults['vmware'].items():
             if not config.has_option('vmware', k):
@@ -329,7 +304,6 @@ class VMWareInventory(object):
         self.config = config
 
     def parse_cli_args(self):
-
         ''' Command line argument processing '''
 
         parser = argparse.ArgumentParser(description='Produce an Ansible Inventory file based on PyVmomi')
@@ -346,7 +320,6 @@ class VMWareInventory(object):
         self.args = parser.parse_args()
 
     def get_instances(self):
-
         ''' Get a list of vm instances with pyvmomi '''
         kwargs = {'host': self.server,
                   'user': self.username,
@@ -361,9 +334,7 @@ class VMWareInventory(object):
         return self._get_instances(kwargs)
 
     def _get_instances(self, inkwargs):
-
         ''' Make API calls '''
-
         instances = []
         try:
             si = SmartConnect(**inkwargs)
@@ -425,9 +396,7 @@ class VMWareInventory(object):
         return instance_tuples
 
     def instances_to_inventory(self, instances):
-
         ''' Convert a list of vm objects into a json compliant inventory '''
-
         self.debugl('re-indexing instances based on ini settings')
         inventory = VMWareInventory._empty_inventory()
         inventory['all'] = {}
@@ -539,7 +508,6 @@ class VMWareInventory(object):
         return inventory
 
     def create_template_mapping(self, inventory, pattern, dtype='string'):
-
         ''' Return a hash of uuid to templated string from pattern '''
 
         mapping = {}
@@ -627,7 +595,6 @@ class VMWareInventory(object):
         return rdata
 
     def facts_from_vobj(self, vobj, level=0):
-
         ''' Traverse a VM object and return a json compliant data structure '''
 
         # pyvmomi objects are not yet serializable, but may be one day ...
@@ -759,7 +726,6 @@ class VMWareInventory(object):
         return rdata
 
     def get_host_info(self, host):
-
         ''' Return hostvars for a single host '''
 
         if host in self.inventory['_meta']['hostvars']: