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Documentation Status

Juniper Ansible collection for Junos

About

Juniper Networks supports Ansible for managing devices running the Junos operating system (Junos OS and Junos Evolved). This collection is hosted on the Ansible Galaxy website under the collection juniper.device.

The juniper.device collection includes a set of Ansible modules that perform specific operational and configuration tasks on devices running Junos OS. These tasks include: installing and upgrading Junos OS, provisioning new Junos devices in the network, loading configuration changes, retrieving information, and resetting, rebooting, or shutting down managed devices. Please refer to the INSTALLATION section for instructions on installing this collection.

Two Sets of Ansible Modules for Junos devices

Since Ansible version >= 2.1, Ansible also natively includes core modules for Junos. The Junos modules included in Ansible core have names which begin with the prefix junos_. The Junos modules included in this Juniper.device collection have names starting with module types. These two sets of Junos modules can coexist on the same Ansible control machine, and an Ansible playbook may invoke a module from either (or both) sets. Juniper Networks recommends using the modules in juniper.device collection when writing new playbooks that manage Junos devices.

Overview of Modules

This juniper.device collection includes the following modules:

  • command — Execute one or more CLI commands on a Junos device.
  • config — Manipulate the configuration of a Junos device.
  • facts — Retrieve facts from a Junos device.
  • file_copy - Copy the files from and to a Junos device.
  • jsnapy — Execute JSNAPy tests on a Junos device.
  • ping — Execute ping from a Junos device.
  • pmtud — Perform path MTU discovery from a Junos device to a destination.
  • rpc — Execute one or more NETCONF RPCs on a Junos device.
  • software — Install software on a Junos device.
  • srx_cluster — Add or remove SRX chassis cluster configuration.
  • system — Initiate operational actions on the Junos system.
  • table — Retrieve data from a Junos device using a PyEZ table/view.

PyEZ Version Requirement

For ansible collection juniper.device we will need to install junos-eznc version 2.6.0 or higher.

Overview of Plugins

In addition to the modules listed above, a callback_plugin jsnapy is available for the module jsnapy.

The callback_plugin jsnapy helps to print on the screen additional information regarding jsnapy failed tests. For each failed test, a log will be printed after the RECAP of the playbook as shown in this example:

PLAY RECAP *********************************************************************
qfx10002-01                : ok=3    changed=0    unreachable=0    failed=1
qfx10002-02                : ok=3    changed=0    unreachable=0    failed=1
qfx5100-01                 : ok=1    changed=0    unreachable=0    failed=1

JSNAPy Results for: qfx10002-01 ************************************************
Value of 'peer-state' not 'is-equal' at '//bgp-information/bgp-peer' with {"peer-as": "65200", "peer-state": "Active", "peer-address": "100.0.0.21"}
Value of 'peer-state' not 'is-equal' at '//bgp-information/bgp-peer' with {"peer-as": "60021", "peer-state": "Idle", "peer-address": "192.168.0.1"}
Value of 'oper-status' not 'is-equal' at '//interface-information/physical-interface[normalize-space(admin-status)='up' and logical-interface/address-family/address-family-name ]' with {"oper-status": "down", "name": "et-0/0/18"}

JSNAPy Results for: qfx10002-02 ************************************************
Value of 'peer-state' not 'is-equal' at '//bgp-information/bgp-peer' with {"peer-as": "65200", "peer-state": "Active", "peer-address": "100.0.0.21"}

Callback plugins are not activated by default. They must be manually added to the Ansible configuration file under the [defaults] section using the variable callback_whitelist. Specifically, these lines should be added to the Ansible configuration file in order to allow the jsnapy callback plugin:

[defaults]
callback_whitelist = jsnapy

DOCUMENTATION

Official Juniper documentation (detailed information, including examples)

Ansible style documentation

INSTALLATION

You must have the DEPENDENCIES installed on your system. Check requirements.txt for the dependencies.

NOTICES

MacOS Mojave and newer

In MacOS Mojave and newer (>=10.14), ssh keys created with the system ssh-keygen are created using the newer 'OPENSSH' key format, even when specifying -t rsa during creation. This directly affects the usage of ssh keys, particularly when using the ssh_private_key_file. To create/convert/check keys, follow these steps:

  • Create a new RSA key: ssh-keygen -m PEM -t rsa -b 4096
  • Check existing keys: head -n1 ~/.ssh/some_private_key RSA keys will be -----BEGIN RSA PRIVATE KEY----- and OPENSSH keys will be -----BEGIN OPENSSH PRIVATE KEY-----
  • Convert an OPENSSH key to an RSA key: ssh-keygen -p -m PEM -f ~/.ssh/some_key

Ansible Galaxy collection

You can use the ansible-galaxy install command to install the latest version of the juniper.device collection.

sudo ansible-galaxy collection install juniper.device

You can also use the ansible-galaxy install command to install the latest development version of the junos collections directly from GitHub.

sudo ansible-galaxy collection install git+https://github.com/Juniper/ansible-junos-stdlib.git#/ansible_collections/juniper/device

For more information visit - https://docs.ansible.com/ansible/latest/user_guide/collections_using.html#specifying-the-location-to-search-for-collections

Git clone

For testing you can git clone this repo and run the env-setup script in the repo directory:

user@ansible-junos-stdlib> source env-setup

This will set your $ANSIBLE_LIBRARY variable to the repo location and the installed Ansible library path. For example:

$ echo $ANSIBLE_LIBRARY /home/jeremy/Ansible/ansible-junos-stdlib/library:/usr/share/ansible

Example Playbook

This example outlines how to use Ansible to install or upgrade the software image on a device running Junos OS.

---
- name: Install Junos OS
  hosts: dc1
  connection: local
  gather_facts: false
  vars:
    wait_time: 3600
    pkg_dir: /var/tmp/junos-install
    os_version: 14.1R1.10
    os_package: jinstall-14.1R1.10-domestic-signed.tgz
    log_dir: /var/log/ansible

  tasks:
    - name: Checking NETCONF connectivity
      ansible.builtin.wait_for:
        host: "{{ inventory_hostname }}"
        port: 830
        timeout: 5
    - name: Install Junos OS package
      juniper.device.software:
        reboot: true
        version: "{{ os_version }}"
        package: "{{ pkg_dir }}/{{ os_package }}"
        logfile: "{{ log_dir }}/software.log"
      register: sw
      notify:
        - Wait_reboot

  handlers:
    - name: Wait_reboot
      ansible.builtin.wait_for:
        host: "{{ inventory_hostname }}"
        port: 830
        timeout: "{{ wait_time }}"
      when: not sw.check_mode

DEPENDENCIES

This modules requires the following to be installed on the Ansible control machine:

LICENSE

Apache 2.0

SUPPORT

Support for this juniper.device collection is provided by the community and Juniper Networks. If you have an issue with a module in the juniper.device collection, you may:

Support for the Junos modules included in Ansible core is provided by Ansible. If you have an issue with an Ansible core module you should open a Github issue against the Ansible project.

CONTRIBUTORS

Juniper Networks is actively contributing to and maintaining this repo. Please contact [email protected] for any queries.

Contributors: Stephen Steiner, Dinesh Babu, Chidanand Pujar

Former Contributors:

Stacy W Smith, Jeremy Schulman, Rick Sherman, Damien Garros, David Gethings, Nitin Kumar, Rahul Kumar