Yardstick API architecture improvement

JIRA: YARDSTICK-710

Since we have the plan to upload api v2 and gui.
We need to add put and delete method.
So the architecture need to be improved.

Change-Id: Ie20a79c26ef6c581897ce4e63980fa2895b162d2
Signed-off-by: chenjiankun <chenjiankun1@huawei.com>

1 files changed, 65 insertions, 0 deletions

diff --git a/api/resources/v1/asynctasks.py b/api/resources/v1/asynctasks.py
new file mode 100644
index 000000000..759df214c
--- /dev/null
+++ b/api/resources/v1/asynctasks.py
@@ -0,0 +1,65 @@
+# ############################################################################
+# Copyright (c) 2017 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 uuid
+import logging
+
+from api import ApiResource
+from api.database.v1.handlers import AsyncTaskHandler
+from yardstick.common import constants as consts
+from yardstick.common.utils import result_handler
+
+LOG = logging.getLogger(__name__)
+LOG.setLevel(logging.DEBUG)
+
+
+class V1AsyncTask(ApiResource):
+
+    def get(self):
+        args = self._get_args()
+
+        try:
+            task_id = args['task_id']
+        except KeyError:
+            return result_handler(consts.API_ERROR, 'task_id must be provided')
+
+        try:
+            uuid.UUID(task_id)
+        except ValueError:
+            return result_handler(consts.API_ERROR, 'invalid task_id')
+
+        asynctask_handler = AsyncTaskHandler()
+        try:
+            asynctask = asynctask_handler.get_task_by_taskid(task_id)
+        except ValueError:
+            return result_handler(consts.API_ERROR, 'invalid task_id')
+
+        def _unfinished():
+            return result_handler(consts.TASK_NOT_DONE, {})
+
+        def _finished():
+            return result_handler(consts.TASK_DONE, {})
+
+        def _error():
+            return result_handler(consts.TASK_FAILED, asynctask.error)
+
+        status = asynctask.status
+        LOG.debug('Task status is: %s', status)
+
+        if status not in [consts.TASK_NOT_DONE,
+                          consts.TASK_DONE,
+                          consts.TASK_FAILED]:
+            return result_handler(consts.API_ERROR, 'internal server error')
+
+        switcher = {
+            consts.TASK_NOT_DONE: _unfinished,
+            consts.TASK_DONE: _finished,
+            consts.TASK_FAILED: _error
+        }
+
+        return switcher.get(status)()