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NITA Web Application 

10-14-2021 14:51

nita-webapp, a lightweight django based webapp that orchestrates jenkins, ansible and robot, part of the Juniper NITA solution

NITA Web Application 21.7

Welcome to NITA 21.7.

Packages built from this branch will be nita-*-21.7-x where x is the packaging release. This branch also contains patches from other branches or minor modifications as required to support the stability and usability of the release. There are also some backwards compatibility packages here for ansible and robot that allow projects written for NITA 3.0.7 to work without having to make any changes.

Note that NITA 21.7 backward compatible with NITA 20.10 projects, provided the correct ansible and robot containers are installed.

Copyright

Copyright 2021, Juniper Networks, Inc.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Training

If you are planning on using NITA or any of the technologies related to NITA then please consider going on the Juniper JAUT and AJAUT courses. These will give you the essential knowledge you need to do successful network automation!

https://learningportal.juniper.net/juniper/user_activity_info.aspx?id=10840

Architecture

It consists of 4 running containers (running under docker compose) and 2 ephemeral containers that are run as sidecars by the Jenkins container as required. The only containers that bind to the host file system are jenkins and the ephemeral containers of robot and ansible.

The containers per package are:

  1. NITA webapp
  2. Jenkins server
  3. MariaDB database
  4. NGINX web server to enable HTTPS for the webapp
  5. Ansible executable and libraries
  6. Robot executable and libraries

Additionally there are two host utilities that can be installed:

  1. nita-cli
  2. yaml-to-excel
  3. nita-cmd (installed on the host along with the nita-webapp)

NITA cli provides an command line interface to do common operations required during project development in NITA and can be accessed by typing nita help. nita-cli is based on python.

NITA cmd provides an alternative command line interface to do common operations required during project development in NITA and can be accessed by typing nita-cmd help. nita-cmd is based on bash.

The utility for converting files from yaml to excel spreadsheet format and back again provided inside of the webapp container (yaml-to-excel) is also provided on the host. It is possible to use the webapp to achieve the same effect as yaml-to-excel although that is less convenient.

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