Record task status if running via CLI

JIRA: YARDSTICK-542

Currently we do not record task status when using CLI to run task.
So I add this function.
If status=0, task is not done.
if status=1, task is done.
if status=2, there is an error.

Change-Id: Ib9b3c8abd233909c04f792115199250419fa8d7a
Signed-off-by: chenjiankun <chenjiankun1@huawei.com>

1 files changed, 19 insertions, 3 deletions

diff --git a/yardstick/cmd/commands/task.py b/yardstick/cmd/commands/task.py
index d7c0a01fb..20ab086e5 100644
--- a/yardstick/cmd/commands/task.py
+++ b/yardstick/cmd/commands/task.py
@@ -1,4 +1,4 @@
-##############################################################################
+#############################################################################
 # Copyright (c) 2015 Ericsson AB and others.
 #
 # All rights reserved. This program and the accompanying materials
@@ -9,10 +9,12 @@
 
 """ Handler for yardstick command 'task' """
 from __future__ import print_function
-
 from __future__ import absolute_import
+
 from yardstick.benchmark.core.task import Task
 from yardstick.common.utils import cliargs
+from yardstick.common.utils import write_json_to_file
+from yardstick.common import constants as consts
 from yardstick.cmd.commands import change_osloobj_to_paras
 
 output_file_default = "/tmp/yardstick.out"
@@ -42,4 +44,18 @@ class TaskCommands(object):
              action="store_true")
     def do_start(self, args, **kwargs):
         param = change_osloobj_to_paras(args)
-        Task().start(param, **kwargs)
+
+        self._init_result_file()
+
+        try:
+            Task().start(param)
+        except Exception as e:
+            self._write_error_data(e)
+
+    def _init_result_file(self):
+        data = {'status': 0, 'result': []}
+        write_json_to_file(consts.DEFAULT_OUTPUT_FILE, data)
+
+    def _write_error_data(self, error):
+        data = {'status': 2, 'result': str(error)}
+        write_json_to_file(consts.DEFAULT_OUTPUT_FILE, data)