1 files changed, 113 insertions, 0 deletions
diff --git a/compass-deck/bin/poll_switch.py b/compass-deck/bin/poll_switch.py
new file mode 100755
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+++ b/compass-deck/bin/poll_switch.py
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+#!/usr/bin/env python
+#
+# Copyright 2014 Huawei Technologies Co. Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""main script to poll machines which is connected to the switches."""
+import functools
+import logging
+import os
+import sys
+
+
+current_dir = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(current_dir)
+
+
+import switch_virtualenv
+
+import lockfile
+from multiprocessing import Pool
+
+from compass.actions import poll_switch
+from compass.actions import util
+from compass.db.api import database
+from compass.db.api import switch as switch_api
+from compass.db.api import user as user_api
+from compass.tasks.client import celery
+from compass.utils import daemonize
+from compass.utils import flags
+from compass.utils import logsetting
+from compass.utils import setting_wrapper as setting
+
+
+flags.add('switch_ips',
+          help='comma seperated switch ips',
+          default='')
+flags.add_bool('async',
+               help='ryn in async mode',
+               default=True)
+flags.add('thread_pool_size', type='int',
+          help='thread pool size when run in noasync mode',
+          default=4)
+flags.add('run_interval', type='int',
+          help='run interval in seconds',
+          default=setting.POLLSWITCH_INTERVAL)
+
+
+def pollswitches(switch_ips):
+    """poll switch."""
+    user = user_api.get_user_object(setting.COMPASS_ADMIN_EMAIL)
+    poll_switches = []
+    all_switches = dict([
+        (switch['ip'], switch['credentials'])
+        for switch in switch_api.list_switches(user=user)
+    ])
+    if switch_ips:
+        poll_switches = dict([
+            (switch_ip, all_switches[switch_ip])
+            for switch_ip in switch_ips
+            if switch_ip in all_switches
+        ])
+    else:
+        poll_switches = all_switches
+
+    if flags.OPTIONS.async:
+        for switch_ip, switch_credentials in poll_switches.items():
+            celery.send_task(
+                'compass.tasks.pollswitch',
+                (user.email, switch_ip, switch_credentials)
+            )
+
+    else:
+        try:
+            pool = Pool(processes=flags.OPTIONS.thread_pool_size)
+            for switch_ip, switch_credentials in poll_switches.items():
+                pool.apply_async(
+                    poll_switch.poll_switch,
+                    (user.email, switch_ip, switch_credentials)
+                )
+            pool.close()
+            pool.join()
+        except Exception as error:
+            logging.error('failed to poll switches %s',
+                          poll_switches)
+            logging.exception(error)
+
+
+if __name__ == '__main__':
+    flags.init()
+    logsetting.init()
+    database.init()
+    logging.info('run poll_switch')
+    daemonize.daemonize(
+        functools.partial(
+            pollswitches,
+            [switch_ip
+             for switch_ip in flags.OPTIONS.switch_ips.split(',')
+             if switch_ip]),
+        flags.OPTIONS.run_interval,
+        pidfile=lockfile.FileLock('/var/run/poll_switch.pid'),
+        stderr=open('/tmp/poll_switch_err.log', 'w+'),
+        stdout=open('/tmp/poll_switch_out.log', 'w+'))