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#!/usr/bin/python3
#
# Connect to the NETCONF server passed on the command line and
# display their capabilities. This script and the following scripts
# all assume that the user calling the script is known by the server
# and that suitable SSH keys are in place. For brevity and clarity
# of the examples, we omit proper exception handling.
#
# $ ./nc01.py broccoli
import sys, os, warnings
warnings.simplefilter("ignore", DeprecationWarning)
from ncclient import manager
exec_conf_prefix = """
<nc:config xmlns:nc="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>
</nc: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_vlan_int_snippet = """
<interface>
<ethernet>
<interface>%s</interface>
<__XML__MODE_if-ethernet-switch>
<switchport>
<trunk>
<allowed>
<vlan>
<add>
<__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
<add-vlans>%s</add-vlans>
</__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
</add>
</vlan>
</allowed>
</trunk>
</switchport>
</__XML__MODE_if-ethernet-switch>
</ethernet>
</interface>
"""
cmd_no_vlan_int_snippet = """
<nc:config xmlns:nc="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>
<interface>
<ethernet>
<interface>%s</interface>
<__XML__MODE_if-ethernet-switch>
<switchport>
<trunk>
<allowed>
<vlan>
<remove>
<__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
<remove-vlans>%s</remove-vlans>
</__XML__BLK_Cmd_switchport_trunk_allowed_allow-vlans>
</remove>
</vlan>
</allowed>
</trunk>
</switchport>
</__XML__MODE_if-ethernet-switch>
</ethernet>
</interface>
</__XML__MODE__exec_configure>
</configure>
</nc:config>
"""
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):
return manager.connect(host=host, port=port, username=user,
password=password, device_params={'name': 'nexus'})
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 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)
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', 'customer')
enable_vlan_on_trunk_int(m, '2/1', '100')
disable_vlan_on_trunk_int(m, '2/1', '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])
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