Very initial version of the nxos driver .... lets call it ver 0.0.1!
yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy added: quantum/plugins/cisco/nxosapi.py
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quantum/plugins/cisco/nxosapi.py
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172
quantum/plugins/cisco/nxosapi.py
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 Cisco Systems Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# @author: Debojyoti Dutta, Cisco Systems, Inc.
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import sys
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import os
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import warnings
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warnings.simplefilter("ignore", DeprecationWarning)
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from ncclient import manager
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from ncclient import NCClientError
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from ncclient.transport.errors import *
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exec_conf_prefix = """
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<config xmlns:xc="urn:ietf:params:xml:ns:netconf:base:1.0">
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<configure xmlns="http://www.cisco.com/nxos:1.0:vlan_mgr_cli">
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<__XML__MODE__exec_configure>
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"""
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exec_conf_postfix = """
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</__XML__MODE__exec_configure>
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</configure>
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</config>
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"""
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cmd_vlan_conf_snippet = """
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<vlan>
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<vlan-id-create-delete>
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<__XML__PARAM_value>%s</__XML__PARAM_value>
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<__XML__MODE_vlan>
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<name>
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<vlan-name>%s</vlan-name>
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</name>
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<state>
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<vstate>active</vstate>
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</state>
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<no>
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<shutdown/>
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</no>
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</__XML__MODE_vlan>
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</vlan-id-create-delete>
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</vlan>
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"""
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cmd_no_vlan_conf_snippet = """
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<no>
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<vlan>
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<vlan-id-create-delete>
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<__XML__PARAM_value>%s</__XML__PARAM_value>
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</vlan-id-create-delete>
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</vlan>
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</no>
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"""
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cmd_vlan_int_snippet = """
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<interface>
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<ethernet>
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<interface>%s</interface>
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<__XML__MODE_if-ethernet-switch>
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<switchport></switchport>
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<switchport>
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<trunk>
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<allowed>
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<vlan>
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<__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
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<allow-vlans>%s</allow-vlans>
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</__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
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</vlan>
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</allowed>
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</trunk>
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</switchport>
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</__XML__MODE_if-ethernet-switch>
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</ethernet>
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</interface>
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"""
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cmd_no_vlan_int_snippet = """
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<interface>
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<ethernet>
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<interface>%s</interface>
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<__XML__MODE_if-ethernet-switch>
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<switchport></switchport>
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<no>
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<switchport>
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<trunk>
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<allowed>
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<vlan>
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<__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
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<allow-vlans>%s</allow-vlans>
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</__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
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</vlan>
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</allowed>
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</trunk>
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</switchport>
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</no>
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</__XML__MODE_if-ethernet-switch>
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</ethernet>
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</interface>
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"""
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filter_show_vlan_brief_snippet = """
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<show xmlns="http://www.cisco.com/nxos:1.0:vlan_mgr_cli">
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<vlan>
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<brief/>
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</vlan>
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</show> """
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def nxos_connect(host, port, user, password):
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try:
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m = manager.connect(host=host, port=port, username=user,
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password=password)
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return m
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except SSHUnknownHostError:
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sys.stderr.write('SSH unknown host error\n')
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exit()
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def enable_vlan(mgr, vlanid, vlanname):
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confstr = cmd_vlan_conf_snippet % (vlanid, vlanname)
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confstr = exec_conf_prefix + confstr + exec_conf_postfix
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mgr.edit_config(target='running', config=confstr)
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def disable_vlan(mgr, vlanid):
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confstr = cmd_no_vlan_conf_snippet % vlanid
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confstr = exec_conf_prefix + confstr + exec_conf_postfix
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mgr.edit_config(target='running', config=confstr)
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def enable_vlan_on_trunk_int(mgr, interface, vlanid):
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confstr = cmd_vlan_int_snippet % (interface, vlanid)
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confstr = exec_conf_prefix + confstr + exec_conf_postfix
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print confstr
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mgr.edit_config(target='running', config=confstr)
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def disable_vlan_on_trunk_int(mgr, interface, vlanid):
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confstr = cmd_no_vlan_int_snippet % (interface, vlanid)
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confstr = exec_conf_prefix + confstr + exec_conf_postfix
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print confstr
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mgr.edit_config(target='running', config=confstr)
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def test_nxos_api(host, user, password):
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with nxos_connect(host, port=22, user=user, password=password) as m:
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enable_vlan(m, '100', 'ccn1')
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enable_vlan_on_trunk_int(m, '2/1', '100')
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disable_vlan_on_trunk_int(m, '2/1', '100')
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disable_vlan(m, '100')
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result = m.get(("subtree", filter_show_vlan_brief_snippet))
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#print result
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if __name__ == '__main__':
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test_nxos_api(sys.argv[1], sys.argv[2], sys.argv[3])
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