compass-core/bin/query_switch.py
Xicheng Chang 3d4e5d0af6 Changed ansible directory structure
Moved roles to the parent directory
so that different adapters don't have
to have duplicated roles in their
respective paths.

patch2: fix some code to follow new pep8 standards.
Change-Id: I748c1730be8045c1cb83f91eaa9f0f551cd20a6f
2015-05-22 17:06:47 -07:00

144 lines
4.8 KiB
Python
Executable File

#!/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.
"""query switch."""
import optparse
import Queue
import threading
import time
from compass.apiclient.restful import Client
class AddSwitch(object):
"""A utility class.
Handles adding a switch and retrieving corresponding machines
associated with the switch.
"""
def __init__(self, server_url):
print server_url, " ...."
self._client = Client(server_url)
def add_switch(self, queue, ip, snmp_community):
"""Add a switch with SNMP credentials.
:param queue: The result holder for the machine details.
:type queue: A Queue object(thread-safe).
:param ip: The IP address of the switch.
:type ip: string.
:param snmp_community: The SNMP community string.
:type snmp_community: string.
"""
status, resp = self._client.add_switch(ip,
version="2c",
community=snmp_community)
if status > 409:
queue.put((ip, (False,
"Failed to add the switch (status=%d)" % status)))
return
if status == 409:
# This is the case where the switch with the same IP already
# exists in the system. We now try to update the switch
# with the given credential.
switch_id = resp['failedSwitch']
status, resp = self._client.update_switch(switch_id,
version="2c",
community=snmp_community)
if status > 202:
queue.put((ip, (False,
"Failed to update the switch (status=%d)" %
status)))
return
switch = resp['switch']
state = switch['state']
switch_id = switch['id']
# if the switch state is not in under_monitoring,
# wait for the poll switch task
while True:
status, resp = self._client.get_switch(switch_id)
if status > 400:
queue.put((ip, (False, "Failed to get switch status")))
return
switch = resp['switch']
state = switch['state']
if state == 'initialized' or state == 'repolling':
time.sleep(5)
else:
break
if state == 'under_monitoring':
# get machines connected to the switch.
status, response = self._client.get_machines(switch_id=switch_id)
if status == 200:
for machine in response['machines']:
queue.put((ip, "mac=%s, vlan=%s, port=%s dbid=%d" % (
machine['mac'],
machine['vlan'],
machine['port'],
machine['id'])))
else:
queue.put((ip, (False,
"Failed to get machines %s" %
response['status'])))
else:
queue.put((ip, (False, "Switch state is %s" % state)))
if __name__ == "__main__":
usage = "usage: %prog [options] switch_ips"
parser = optparse.OptionParser(usage)
parser.add_option("-u", "--server-url", dest="server_url",
default="http://localhost/api",
help="The Compass Server URL")
parser.add_option("-c", "--community", dest="community",
default="public",
help="Switch SNMP community string")
(options, args) = parser.parse_args()
if len(args) != 1:
parser.error("Wrong number of arguments")
threads = []
queue = Queue.Queue()
add_switch = AddSwitch(options.server_url)
print "Add switch to the server. This may take a while ..."
for switch in args[0].split(','):
t = threading.Thread(target=add_switch.add_switch,
args=(queue, switch, options.community))
threads.append(t)
t.start()
for t in threads:
t.join(60)
while True:
try:
ip, result = queue.get(block=False)
print ip, " : ", result
except Queue.Empty:
break