[future] 修改celery 使用eventlet 作为concurrent pool, 添加获取资产硬件信息的 初步接口

apps/ops/api.py

 # ~*~ coding: utf-8 ~*~
-# 
+
+from __future__ import unicode_literals
+
 

apps/ops/run_tasks.py

-from .tasks import longtime_add
-import time
-
-result = longtime_add.delay(1,2)
-print 'Task finished? ', result.ready()
-print 'Task result: ', result.result
-time.sleep(10)
-print 'Task finished? ', result.ready()
-print 'Task result: ', result.result
\ No newline at end of file

apps/ops/taskers.py

+from __future__ import unicode_literals
+
+from .tasks import get_asset_hardware_info
+from celery.result import AsyncResult
+
+
+def start_get_hardware_info(*assets):
+    result = get_asset_hardware_info.delay(*assets)
+    return result.id
+
+
+def get_hardware_info(task_id):
+    result = AsyncResult(task_id)
+    if result.ready():
+        return {"Completed": False, "data": result.get()}
+    else:
+        return {"Completed": True, "data": None}

apps/ops/tasks.py

-from __future__ import absolute_import
-import time
+from __future__ import absolute_import, unicode_literals
 
 from celery import shared_task
 from common import celery_app
 
+from ops.ansible_api import Config, ADHocRunner
 
-@shared_task
-def longtime_add(x, y):
-    print 'long time task begins'
-    # sleep 5 seconds
-    time.sleep(5)
-    print 'long time task finished'
-    return x + y
+
+@shared_task(name="get_asset_hardware_info")
+def get_asset_hardware_info(*assets):
+    conf = Config()
+    play_source = {
+            "name": "Get host hardware information",
+            "hosts": "default",
+            "gather_facts": "no",
+            "tasks": [
+                dict(action=dict(module='setup'))
+            ]
+        }
+    hoc = ADHocRunner(conf, play_source, *assets)
+    ext_code, result = hoc.run()
+    return ext_code, result
+
+
+@shared_task(name="asset_test_ping_check")
+def asset_test_ping_check():
+    pass
+
+
+@shared_task(name="add_user_to_assert")
+def add_user_to_asset():
+    pass
 
 
 @celery_app.task(name='hello-world')

requirements.txt

@@ -23,4 +23,4 @@ sshpubkeys==2.2.0
 djangorestframework-bulk==0.2.1
 python-gssapi==0.6.4
 tornado==4.4.2
-
+eventlet==0.19.0

run_server.py

@@ -29,7 +29,7 @@ def start_django():
 def start_celery():
     os.chdir(apps_dir)
     print('start celery')
-    subprocess.call('celery -A common worker -l info', shell=True)
+    subprocess.call('celery -A common worker -P eventlet -l info', shell=True)
 
 
 def main():