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napalm-vyos

Community NAPALM driver for the VyOS. https://vyos.io/

Also it can be used for other similar systems: Vyatta or EdgeOS

General support matrix

VyOS
Module Name napalm-vyos
Driver Name vyos
Structured data Yes
Minimum version 1.1.6
Backend library netmiko

Configuration support matrix

VyOS
Config. replace Yes
Config. merge Yes
Compare config Yes
Atomic Changes Yes
Rollback Yes

Optional arguments

NAPALM supports passing certain optional arguments to some drivers. To do that you have to pass a dictionary via the :code:optional_args parameter when creating the object::

>>> from napalm import get_network_driver
>>> driver = get_network_driver('vyos')
>>> optional_args = {'my_optional_arg1': 'my_value1', 'my_optional_arg2': 'my_value2'}
>>> device = driver('192.168.76.10', 'vagrant', 'this_is_not_a_secure_password', optional_args=optional_args)
>>> device.open()

List of supported optional arguments

  • :code:port (vyos) - Allows you to specify a port other than the default.
  • :code:key_file (vyos) - Netmiko/Paramiko argument, path to a private key file (default: 'False').

Prerequisites

VyOS has no native HTTP API or NETCONF capability. We are using Netmiko for ssh connections and scp file transfers. Having Netmiko installed in your working box is a prerequisite.

VyOS in version 1.1.x (tested 1.1.7)

napalm==2.* paramiko netmiko>=1.1.0 vyattaconfparser

Configuration file

Currently VyOS driver supports two different configuration formats:

  • load_replace_candidate - Full config file (with brackets) like in /config/config.boot Due to the OS nature, we do not support a replace using a set-style configuration format.
  • load_merge_candidate - Currently driver supports set-style configuration format. Example

set system login banner pre-login "test"

Vyos require configuration file (load_replace) to contain comment like following

/* Warning: Do not remove the following line. */ /* === vyatta-config-version: "cluster@1:config-management@1:conntrack-sync@1:conntrack@1:cron@1:dhcp-relay@1:dhcp-server@4:firewall@5:ipsec@4:nat@4:qos@1:quagga@2:system@6:vrrp@1:wanloadbalance@3:webgui@1:webproxy@1:zone-policy@1" === */ /* Release version: VyOS 1.1.7 */

Otherwise VyOS reject load operation

Notes

  • The NAPALM-vyos driver supports all Netmiko arguments as either standard arguments (hostname, username, password, timeout) or as optional_args (everything else).

  • The NAPALM-vyos driver supports authentication with ssh key. Please specify path to a key in optional_args 'optional_args': {'key_file': '/home/user/ssh_private_key'}