Added ‘launched_by’ property and ‘ancestor_job’ property in UnifiedJob class

'launched_by’ property returns summary  { id,type,name,url } of object that launched the current UnifiedJob
'ancestor_job’ property returns summary { id,type,name,url } of the first workflow in case the current UnifiedJob was started by a workflow or a workflow chain
Added ‘launched_by’ field and ‘get_launched_by’ function in ‘UnifiedJobSerializer’ , to expose the ‘launched_by’ field in GET ‘api/v2/unified_job/id’ response
Added ‘ancestor_job’ field in the summary field of UnifiedJob in the GET ‘api/v2/unified_job/id’ response

awx/api/serializers.py

@@ -734,6 +734,7 @@ class UnifiedJobSerializer(BaseSerializer):
 
     class Meta:
         model = UnifiedJob
+
         fields = (
             '*',
             'unified_job_template',
@@ -753,7 +754,9 @@ class UnifiedJobSerializer(BaseSerializer):
             'controller_node',
             'result_traceback',
             'event_processing_finished',
+            'launched_by',
         )
+
         extra_kwargs = {
             'unified_job_template': {'source': 'unified_job_template_id', 'label': 'unified job template'},
             'job_env': {'read_only': True, 'label': 'job_env'},
@@ -799,6 +802,16 @@ class UnifiedJobSerializer(BaseSerializer):
                 if val is not None:
                     summary_fields['source_workflow_job'][field] = val
 
+        if self.is_detail_view:
+            ancestor = obj.ancestor_job
+            if ancestor != obj:
+                summary_fields['ancestor_job'] = {
+                    'id': ancestor.id,
+                    'name': ancestor.name,
+                    'type': get_type_for_model(ancestor),
+                    'url': ancestor.get_absolute_url(),
+                }
+
         return summary_fields
 
     def get_sub_serializer(self, obj):
@@ -843,6 +856,10 @@ class UnifiedJobSerializer(BaseSerializer):
         ret['job_explanation'] = _(obj.job_explanation)
         return ret
 
+    def get_launched_by(self, obj):
+        if obj is not None:
+            return obj.launched_by
+
 
 class UnifiedJobListSerializer(UnifiedJobSerializer):
     class Meta: