correct stop DNR propogation

* If a child has a parent that is not in the finished state then do not
propogate the DNR to the child in question.
* If a parent is in a finished state; do not propogate the DNR to the
child if the path to the child is traversed (based on the parent job
status).

awx/main/scheduler/dag_simple.py

@@ -21,21 +21,31 @@ class SimpleDAG(object):
 
     def generate_graphviz_plot(self):
         def run_status(obj):
+            dnr = "RUN"
+            status = "NA"
+            if obj.job:
+                status = obj.job.status
             if obj.do_not_run is True:
-                s = "DNR"
-            else:
-                s = "RUN"
-            s += "_{}".format(obj.id)
-            return s
+                dnr = "DNR"
+            return "{}_{}_{}".format(dnr, status, obj.id)
 
         doc = """
         digraph g {
         rankdir = LR
         """
         for n in self.nodes:
+            obj = n['node_object']
+            status = "NA"
+            if obj.job:
+                status = obj.job.status
+            color = 'black'
+            if status == 'successful':
+                color = 'green'
+            elif status == 'failed':
+                color = 'red'
             doc += "%s [color = %s]\n" % (
                 run_status(n['node_object']),
-                "red" if getattr(n['node_object'], 'status', 'N/A') == 'running' else "black",
+                color
             )
         for from_node, to_node, label in self.edges:
             doc += "%s -> %s [ label=\"%s\" ];\n" % (
@@ -44,7 +54,7 @@ class SimpleDAG(object):
                 label,
             )
         doc += "}\n"
-        gv_file = open('/tmp/graph.gv', 'w')
+        gv_file = open('/awx_devel/graph.gv', 'w')
         gv_file.write(doc)
         gv_file.close()
 

awx/main/scheduler/dag_workflow.py

@@ -120,15 +120,30 @@ class WorkflowDAG(SimpleDAG):
             if not job and obj.do_not_run is False and n not in root_nodes:
                 parent_nodes = [p['node_object'] for p in self.get_dependents(obj)]
                 all_parents_dnr = True
+                parent_run_path = False
                 for p in parent_nodes:
                     if not p.job and p.do_not_run is False:
                         all_parents_dnr = False
-                        break
+
+                    elif p.job and p.job.status in ['new', 'pending', 'waiting', 'running']:
+                        parent_run_path = True
+
+                    elif p.job and p.job.status == 'successful':
+                        if n in self.get_dependencies(p, 'success_nodes'):
+                            parent_run_path = True
+
+                    elif p.job and p.job.status == 'failed':
+                        children_failed = self.get_dependencies(p, 'failure_nodes')
+                        children_always = self.get_dependencies(p, 'always_nodes')
+                        if n in children_always or n in children_failed:
+                            parent_run_path = True
+
                 #all_parents_dnr = reduce(lambda p: bool(p.do_not_run == True), parent_nodes)
-                if all_parents_dnr:
+                if all_parents_dnr and parent_run_path is False:
                     obj.do_not_run = True
                     nodes_marked_do_not_run.append(n)
 
+
             if obj.do_not_run:
                 children_success = self.get_dependencies(obj, 'success_nodes')
                 children_failed = self.get_dependencies(obj, 'failure_nodes')