When value does not exist, return default value instead of stopping ansible with an exception.

lib/ansible/runner/lookup_plugins/ini.py

@@ -43,9 +43,11 @@ class LookupModule(object):
         # Retrieve all values from a section using a regexp
         if is_regexp:
             return [v for k, v in self.cp.items(section) if re.match(key, k)]
+        value = None
         # Retrieve a single value
+        try:
             value = self.cp.get(section, key)
-        if value == None:
+        except ConfigParser.NoOptionError, e:
             return dflt
         return value
 

test/integration/test_lookup_properties.yml

@@ -26,4 +26,5 @@
       with_items: [ 'value_section', 'other_section' ]
     - name: "Reading unknown value"
       set_fact:
-        value2_section2:  "{{lookup('ini', 'value2           section=section1 file=lookup.ini')}}"
+        unknown:  "{{lookup('ini', 'value2           default=unknown section=section1 file=lookup.ini')}}"
+    - debug: var=unknown