144 lines
4.8 KiB
Python
Executable File
144 lines
4.8 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2014 Huawei Technologies Co. Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""query switch."""
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import optparse
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import Queue
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import threading
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import time
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from compass.apiclient.restful import Client
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class AddSwitch(object):
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"""A utility class.
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Handles adding a switch and retrieving corresponding machines
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associated with the switch.
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"""
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def __init__(self, server_url):
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print server_url, " ...."
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self._client = Client(server_url)
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def add_switch(self, queue, ip, snmp_community):
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"""Add a switch with SNMP credentials.
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:param queue: The result holder for the machine details.
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:type queue: A Queue object(thread-safe).
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:param ip: The IP address of the switch.
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:type ip: string.
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:param snmp_community: The SNMP community string.
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:type snmp_community: string.
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"""
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status, resp = self._client.add_switch(ip,
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version="2c",
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community=snmp_community)
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if status > 409:
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queue.put((ip, (False,
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"Failed to add the switch (status=%d)" % status)))
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return
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if status == 409:
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# This is the case where the switch with the same IP already
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# exists in the system. We now try to update the switch
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# with the given credential.
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switch_id = resp['failedSwitch']
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status, resp = self._client.update_switch(switch_id,
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version="2c",
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community=snmp_community)
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if status > 202:
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queue.put((ip, (False,
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"Failed to update the switch (status=%d)" %
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status)))
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return
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switch = resp['switch']
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state = switch['state']
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switch_id = switch['id']
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# if the switch state is not in under_monitoring,
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# wait for the poll switch task
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while True:
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status, resp = self._client.get_switch(switch_id)
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if status > 400:
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queue.put((ip, (False, "Failed to get switch status")))
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return
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switch = resp['switch']
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state = switch['state']
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if state == 'initialized' or state == 'repolling':
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time.sleep(5)
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else:
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break
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if state == 'under_monitoring':
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# get machines connected to the switch.
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status, response = self._client.get_machines(switch_id=switch_id)
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if status == 200:
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for machine in response['machines']:
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queue.put((ip, "mac=%s, vlan=%s, port=%s dbid=%d" % (
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machine['mac'],
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machine['vlan'],
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machine['port'],
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machine['id'])))
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else:
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queue.put((ip, (False,
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"Failed to get machines %s" %
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response['status'])))
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else:
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queue.put((ip, (False, "Switch state is %s" % state)))
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if __name__ == "__main__":
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usage = "usage: %prog [options] switch_ips"
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parser = optparse.OptionParser(usage)
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parser.add_option("-u", "--server-url", dest="server_url",
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default="http://localhost/api",
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help="The Compass Server URL")
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parser.add_option("-c", "--community", dest="community",
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default="public",
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help="Switch SNMP community string")
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(options, args) = parser.parse_args()
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if len(args) != 1:
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parser.error("Wrong number of arguments")
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threads = []
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queue = Queue.Queue()
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add_switch = AddSwitch(options.server_url)
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print "Add switch to the server. This may take a while ..."
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for switch in args[0].split(','):
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t = threading.Thread(target=add_switch.add_switch,
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args=(queue, switch, options.community))
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threads.append(t)
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t.start()
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for t in threads:
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t.join(60)
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while True:
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try:
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ip, result = queue.get(block=False)
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print ip, " : ", result
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except Queue.Empty:
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break
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