compass-core/bin/query_switch.py
zhaoxinyu a044f9f3c5 Install Compass in virtual env
Create virtualenv for compass, point compass site packages to virtualenv,
make virtualenv accessable for apache.
Change compass executable scripts to use python in env to be virtualenv
compatible.
Make progress_update daemon use virtualenv.
Comment out some health checks that use packages not available to pip, eg,
yum, apt since we have other ways to check packages any way.

Conflicts:

	conf/compassd
	install/compass.sh
	install/dependency.sh
	install/prepare.sh
	misc/apache/compass.wsgi
	requirements.txt

Change-Id: Ib48633601bf238ffc660c4694834897edbe45e07
2014-07-31 19:50:49 -07:00

143 lines
4.9 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 that 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 and retrieve attached
server machines.
: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