openstack/neutron-vpnaas
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Very initial version of the nxos driver .... lets call it ver 0.0.1!

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added:
  quantum/plugins/cisco/nxosapi.py
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Debo 2011-07-14 17:11:55 -07:00
parent 7fb19f22ce
commit 0d9bf52025
1 changed files with 172 additions and 0 deletions
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quantum/plugins/cisco/nxosapi.py Normal file
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 Cisco Systems Inc.
# All Rights Reserved.
#
# 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.
# @author: Debojyoti Dutta, Cisco Systems, Inc.
import sys
import os
import warnings
warnings.simplefilter("ignore", DeprecationWarning)
from ncclient import manager
from ncclient import NCClientError
from ncclient.transport.errors import *
exec_conf_prefix = """
<config xmlns:xc="urn:ietf:params:xml:ns:netconf:base:1.0">
<configure xmlns="http://www.cisco.com/nxos:1.0:vlan_mgr_cli">
<__XML__MODE__exec_configure>
"""
exec_conf_postfix = """
</__XML__MODE__exec_configure>
</configure>
</config>
"""
cmd_vlan_conf_snippet = """
<vlan>
<vlan-id-create-delete>
<__XML__PARAM_value>%s</__XML__PARAM_value>
<__XML__MODE_vlan>
<name>
<vlan-name>%s</vlan-name>
</name>
<state>
<vstate>active</vstate>
</state>
<no>
<shutdown/>
</no>
</__XML__MODE_vlan>
</vlan-id-create-delete>
</vlan>
"""
cmd_no_vlan_conf_snippet = """
<no>
<vlan>
<vlan-id-create-delete>
<__XML__PARAM_value>%s</__XML__PARAM_value>
</vlan-id-create-delete>
</vlan>
</no>
"""
cmd_vlan_int_snippet = """
<interface>
<ethernet>
<interface>%s</interface>
<__XML__MODE_if-ethernet-switch>
<switchport></switchport>
<switchport>
<trunk>
<allowed>
<vlan>
<__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
<allow-vlans>%s</allow-vlans>
</__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
</vlan>
</allowed>
</trunk>
</switchport>
</__XML__MODE_if-ethernet-switch>
</ethernet>
</interface>
"""
cmd_no_vlan_int_snippet = """
<interface>
<ethernet>
<interface>%s</interface>
<__XML__MODE_if-ethernet-switch>
<switchport></switchport>
<no>
<switchport>
<trunk>
<allowed>
<vlan>
<__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
<allow-vlans>%s</allow-vlans>
</__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
</vlan>
</allowed>
</trunk>
</switchport>
</no>
</__XML__MODE_if-ethernet-switch>
</ethernet>
</interface>
"""
filter_show_vlan_brief_snippet = """
<show xmlns="http://www.cisco.com/nxos:1.0:vlan_mgr_cli">
<vlan>
<brief/>
</vlan>
</show> """
def nxos_connect(host, port, user, password):
try:
m = manager.connect(host=host, port=port, username=user,
password=password)
return m
except SSHUnknownHostError:
sys.stderr.write('SSH unknown host error\n')
exit()
def enable_vlan(mgr, vlanid, vlanname):
confstr = cmd_vlan_conf_snippet % (vlanid, vlanname)
confstr = exec_conf_prefix + confstr + exec_conf_postfix
mgr.edit_config(target='running', config=confstr)
def disable_vlan(mgr, vlanid):
confstr = cmd_no_vlan_conf_snippet % vlanid
confstr = exec_conf_prefix + confstr + exec_conf_postfix
mgr.edit_config(target='running', config=confstr)
def enable_vlan_on_trunk_int(mgr, interface, vlanid):
confstr = cmd_vlan_int_snippet % (interface, vlanid)
confstr = exec_conf_prefix + confstr + exec_conf_postfix
print confstr
mgr.edit_config(target='running', config=confstr)
def disable_vlan_on_trunk_int(mgr, interface, vlanid):
confstr = cmd_no_vlan_int_snippet % (interface, vlanid)
confstr = exec_conf_prefix + confstr + exec_conf_postfix
print confstr
mgr.edit_config(target='running', config=confstr)
def test_nxos_api(host, user, password):
with nxos_connect(host, port=22, user=user, password=password) as m:
enable_vlan(m, '100', 'ccn1')
enable_vlan_on_trunk_int(m, '2/1', '100')
disable_vlan_on_trunk_int(m, '2/1', '100')
disable_vlan(m, '100')
result = m.get(("subtree", filter_show_vlan_brief_snippet))
#print result
if __name__ == '__main__':
test_nxos_api(sys.argv[1], sys.argv[2], sys.argv[3])