Yardstick API refactor

JIRA: YARDSTICK-503

Now in api/views.py there are many redundant code.
So I do some refactoring and make it to be a lightweight framework.

Change-Id: Id7cecc95e60f5403b2d26239a3ef41d01bbb542a
Signed-off-by: chenjiankun <chenjiankun1@huawei.com>

1 files changed, 67 insertions, 0 deletions

diff --git a/api/resources/results.py b/api/resources/results.py
new file mode 100644
index 000000000..3de09fdc9
--- /dev/null
+++ b/api/resources/results.py
@@ -0,0 +1,67 @@
+##############################################################################
+# Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+import logging
+import uuid
+import re
+
+from api.utils import influx as influx_utils
+from api.utils import common as common_utils
+from api import conf
+
+logger = logging.getLogger(__name__)
+
+
+def default(args):
+    return getResult(args)
+
+
+def getResult(args):
+    try:
+        measurement = args['measurement']
+        task_id = args['task_id']
+
+        if re.search("[^a-zA-Z0-9_-]", measurement):
+            raise ValueError('invalid measurement parameter')
+
+        uuid.UUID(task_id)
+    except KeyError:
+        message = 'measurement and task_id must be provided'
+        return common_utils.error_handler(message)
+
+    query_template = "select * from %s where task_id='%s'"
+    query_sql = query_template % ('tasklist', task_id)
+    data = common_utils.translate_to_str(influx_utils.query(query_sql))
+
+    def _unfinished():
+        return common_utils.result_handler(0, [])
+
+    def _finished():
+        query_sql = query_template % (conf.TEST_CASE_PRE + measurement,
+                                      task_id)
+        data = common_utils.translate_to_str(influx_utils.query(query_sql))
+        if not data:
+            query_sql = query_template % (measurement, task_id)
+            data = common_utils.translate_to_str(influx_utils.query(query_sql))
+
+        return common_utils.result_handler(1, data)
+
+    def _error():
+        return common_utils.result_handler(2, data[0]['error'])
+
+    try:
+        status = data[0]['status']
+
+        switcher = {
+            0: _unfinished,
+            1: _finished,
+            2: _error
+        }
+        return switcher.get(status, lambda: 'nothing')()
+    except IndexError:
+        return common_utils.error_handler('no such task')