fix: added method for removal of notification policy tree

grafana_client/elements/_async/alertingprovisioning.py

@@ -145,6 +145,14 @@ async def set_notification_policy_tree(self, notification_policy_tree, disable_p
         set_notification_policy_tree_path = "/v1/provisioning/policies"
         return await self.client.PUT(set_notification_policy_tree_path, json=notification_policy_tree, headers=headers)
 
+    async def delete_notification_policy_tree(self):
+        """
+        Removes notification policy tree
+        @return:
+        """
+        delete_notification_policy_tree_path = "/v1/provisioning/policies"
+        return await self.client.DELETE(delete_notification_policy_tree_path)
+
     async def get_mute_timings(self):
         """
         Gets all mute timings

grafana_client/elements/alertingprovisioning.py

@@ -145,6 +145,14 @@ def set_notification_policy_tree(self, notification_policy_tree, disable_provena
         set_notification_policy_tree_path = "/v1/provisioning/policies"
         return self.client.PUT(set_notification_policy_tree_path, json=notification_policy_tree, headers=headers)
 
+    def delete_notification_policy_tree(self):
+        """
+        Removes notification policy tree
+        @return:
+        """
+        delete_notification_policy_tree_path = "/v1/provisioning/policies"
+        return self.client.DELETE(delete_notification_policy_tree_path)
+
     def get_mute_timings(self):
         """
         Gets all mute timings

test/elements/test_alertingprovisioning.py

@@ -115,3 +115,10 @@ def test_update_alertrule_disable_provenance(self, m):
         headers = history[0].headers
         self.assertIn("X-Disable-Provenance", headers)
         self.assertEqual(headers["X-Disable-Provenance"], "true")
+
+    @requests_mock.Mocker()
+    def test_delete_notification_policy_tree(self, m):
+        JSON_RESPONSE = {"receiver": "grafana-default-email", "group_by": ["grafana_folder", "alertname"]}
+
+        m.delete("http://localhost/api/v1/provisioning/policies", json=JSON_RESPONSE)
+        self.grafana.alertingprovisioning.delete_notification_policy_tree()