227 lines
7.3 KiB
Python
227 lines
7.3 KiB
Python
# 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.
|
|
# @author: Edgar Magana, Cisco Systems Inc.
|
|
#
|
|
"""
|
|
Implements a Nexus-OS NETCONF over SSHv2 API Client
|
|
"""
|
|
|
|
import logging as LOG
|
|
import string
|
|
import subprocess
|
|
|
|
from quantum.plugins.cisco.common import cisco_constants as const
|
|
from quantum.plugins.cisco.common import cisco_exceptions as cexc
|
|
|
|
from ncclient import manager
|
|
|
|
LOG.basicConfig(level=LOG.WARN)
|
|
LOG.getLogger(const.LOGGER_COMPONENT_NAME)
|
|
|
|
|
|
# The following are standard strings, messages used to communicate with Nexus,
|
|
#only place holder values change for each message
|
|
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_port_trunk = """
|
|
<interface>
|
|
<ethernet>
|
|
<interface>%s</interface>
|
|
<__XML__MODE_if-ethernet-switch>
|
|
<switchport></switchport>
|
|
<switchport>
|
|
<mode>
|
|
<trunk>
|
|
</trunk>
|
|
</mode>
|
|
</switchport>
|
|
</__XML__MODE_if-ethernet-switch>
|
|
</ethernet>
|
|
</interface>
|
|
"""
|
|
|
|
cmd_no_switchport = """
|
|
<interface>
|
|
<ethernet>
|
|
<interface>%s</interface>
|
|
<__XML__MODE_if-ethernet-switch>
|
|
<no>
|
|
<switchport>
|
|
</switchport>
|
|
</no>
|
|
</__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> """
|
|
|
|
|
|
class CiscoNEXUSDriver():
|
|
|
|
def __init__(self):
|
|
pass
|
|
|
|
def nxos_connect(self, nexus_host, port, nexus_user, nexus_password):
|
|
m = manager.connect(host=nexus_host, port=22, username=nexus_user,
|
|
password=nexus_password)
|
|
return m
|
|
|
|
def enable_vlan(self, 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(self, 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_port_trunk(self, mgr, interface):
|
|
confstr = cmd_port_trunk % (interface)
|
|
confstr = exec_conf_prefix + confstr + exec_conf_postfix
|
|
print confstr
|
|
mgr.edit_config(target='running', config=confstr)
|
|
|
|
def disable_switch_port(self, mgr, interface):
|
|
confstr = cmd_no_switchport % (interface)
|
|
confstr = exec_conf_prefix + confstr + exec_conf_postfix
|
|
print confstr
|
|
mgr.edit_config(target='running', config=confstr)
|
|
|
|
def enable_vlan_on_trunk_int(self, 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(self, 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 create_vlan(self, vlan_name, vlan_id, nexus_host, nexus_user,
|
|
nexus_password, nexus_interface):
|
|
#TODO (Edgar) Move the SSH port to the configuration file
|
|
with self.nxos_connect(nexus_host, 22, nexus_user,
|
|
nexus_password) as m:
|
|
self.enable_vlan(m, vlan_id, vlan_name)
|
|
self.enable_vlan_on_trunk_int(m, nexus_interface, vlan_id)
|
|
|
|
def delete_vlan(self, vlan_id, nexus_host, nexus_user,
|
|
nexus_password, nexus_interface):
|
|
with self.nxos_connect(nexus_host, 22, nexus_user,
|
|
nexus_password) as m:
|
|
self.disable_vlan(m, vlan_id)
|
|
self.disable_switch_port(m, nexus_interface)
|