[Feature] 作业中心/任务列表/任务详情 最后运行成功或失败的主机 (#4090)

apps/ops/models/adhoc.py

@@ -118,6 +118,24 @@ class Task(PeriodTaskModelMixin, OrgModelMixin):
         kwargs = {"callback": self.callback}
         return name, task, args, kwargs
 
+    @lazyproperty
+    def last_success(self):
+        return self._last_adhocexecution(True, 'contacted')
+
+    @lazyproperty
+    def last_failure(self):
+        return self._last_adhocexecution(False, 'dark')
+
+    def _last_adhocexecution(self, is_success, key):
+        obj = AdHocExecution.objects.filter(task_id=self.id, is_success=is_success).order_by('-date_finished').first()
+        body = obj.summary.get(key)
+        if body:
+            asset, body = body.popitem()
+            action, body = body.popitem()
+            return asset, action, body.get('msg', '')
+        else:
+            return '', '', ''
+
     def __str__(self):
         return self.name + '@' + str(self.org_id)