Support cancel on system jobs

awx/api/serializers.py

@@ -1717,8 +1717,17 @@ class SystemJobSerializer(UnifiedJobSerializer):
         if obj.system_job_template and obj.system_job_template.active:
             res['system_job_template'] = reverse('api:system_job_template_detail',
                                                  args=(obj.system_job_template.pk,))
+        if obj.can_cancel or True:
+            res['cancel'] = reverse('api:system_job_cancel', args=(obj.pk,))
         return res
 
+class SystemJobCancelSerializer(SystemJobSerializer):
+
+    can_cancel = serializers.BooleanField(source='can_cancel', read_only=True)
+
+    class Meta:
+        fields = ('can_cancel',)
+
 class JobListSerializer(JobSerializer, UnifiedJobListSerializer):
     pass
 

awx/api/urls.py

@@ -206,6 +206,7 @@ system_job_template_urls = patterns('awx.api.views',
 system_job_urls = patterns('awx.api.views',
     url(r'^$',                                          'system_job_list'),
     url(r'^(?P<pk>[0-9]+)/$',                           'system_job_detail'),
+    url(r'^(?P<pk>[0-9]+)/cancel/$',                    'system_job_cancel'),
 )
 
 schedule_urls = patterns('awx.api.views',

awx/api/views.py

@@ -2745,6 +2745,21 @@ class SystemJobDetail(RetrieveDestroyAPIView):
     model = SystemJob
     serializer_class = SystemJobSerializer
 
+class SystemJobCancel(RetrieveAPIView):
+
+    model = SystemJob
+    serializer_class = SystemJobCancelSerializer
+    is_job_cancel = True
+
+    def post(self, request, *args, **kwargs):
+        obj = self.get_object()
+        if obj.can_cancel:
+            obj.cancel()
+            return Response(status=status.HTTP_202_ACCEPTED)
+        else:
+            return self.http_method_not_allowed(request, *args, **kwargs)
+
+
 class UnifiedJobTemplateList(ListAPIView):
 
     model = UnifiedJobTemplate