add WorkflowJob properties to UnifiedJob

awx/main/models/unified_jobs.py

@@ -758,6 +758,16 @@ class UnifiedJob(PolymorphicModel, PasswordFieldsModel, CommonModelNameNotUnique
     def result_stdout_limited(self, start_line=0, end_line=None, redact_sensitive=False):
         return self._result_stdout_raw_limited(start_line, end_line, redact_sensitive, escape_ascii=True)
 
+    @property
+    def spawned_by_workflow(self):
+        return self.launch_type == 'workflow'
+
+    @property
+    def workflow_job_id(self):
+        if self.spawned_by_workflow():
+            return self.unified_job_node.workflow_job.pk
+        return None
+
     @property
     def celery_task(self):
         try:

awx/main/models/workflow.py

@@ -185,9 +185,9 @@ class WorkflowJobTemplateNode(WorkflowNodeBase):
         return WorkflowJobNode.objects.create(**create_kwargs)
 
 class WorkflowJobNode(WorkflowNodeBase):
-    job = models.ForeignKey(
+    job = models.OneToOneField(
         'UnifiedJob',
-        related_name='unified_job_nodes',
+        related_name='unified_job_node',
         blank=True,
         null=True,
         default=None,