nowcli 1.0.2

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This project shows you how to set up the NOW CLI and use it to interact with a ServiceNow instance either locally from your workstation or from a CI/CD Pipeline like Jenkins

Prerequisites

• Python3 Installed
• PiPy Account to deploy package

Installation

• Clone Project

  git clone [e-mail]:advlab/cronus.git nowcli
  cd nowcli
  

• Install Package from Source

  sudo python3 setup.py install
  

  NOTE: Once the package is deployed to the PyPI repository you can install the latest package using the standard pip3 command (e.g. pip3 install nowcli)

• Uninstall Package

  sudo pip3 uninstall -y nowcli
  

Deploy Package to PiPi

• Install Twine

  pip3 install twine
  

• Create Source Distribution

  python3 setup.py sdist
  

• Deploy Package

  twine upload dist/*
  

Operation

• Create default profile in ~/.now/credentials

  $now configure
  

• Setup additional profiles (e.g. newyork) and use your instance specifics

  $ now -p newyork configure
  table_api [/api/now/table]:
  cmdb_api [/api/x_snc_labs_atlas/v1/register/services]: 
  em_api [/api/x_snc_labs_atlas/v1/create/event]: 
  server []: YOURSERVERURL
  username []: YOURUSERID
  password []: YOURPASSWORD
  

• Register Service (e.g. startreck.json)

  $ now -p newyork -d startreck.json cmdb register-services
  Called CMDB...
  {'result': {'code': '200', 'type': 'register_services', 'message': 'Services created in ServiceNow: 4'}}
  

• Create Event

• Resolve Incident

Example Payloads

• bookinfo.json

  {
  "name": "Bookworms",
  "comments": "Bookworms 2019 Reviews",
  "services": [{
          "name": "bookinfo",
          "uri": "http://bookinfo.com"
      },
      {
          "name": "productpage",
          "uri": "http://bookinfo.com/product"
      },
      {
          "name": "details",
          "uri": "http://bookinfo.com/details"
      },
      {
          "name": "reviews-v1",
          "uri": "http://bookinfo.com/reviews-v1"
      },
      {
          "name": "reviews-v2",
          "uri": "http://bookinfo.com/reviews-v2"
      },
      {
          "name": "reviews-v3",
          "uri": "http://bookinfo.com/reviews-v3"
      },
      {
          "name": "ratings",
          "uri": "http://bookinfo.com/ratings"
      }
  ],
  "relationships": [{
          "parent": null,
          "child": "bookinfo"
      },
      {
          "parent": "bookinfo",
          "child": "productpage"
      },
      {
          "parent": "productpage",
          "child": "reviews-v1"
      },
      {
          "parent": "productpage",
          "child": "reviews-v2"
      },
      {
          "parent": "productpage",
          "child": "reviews-v3"
      },
      {
          "parent": "productpage",
          "child": "details"
      },
      {
          "parent": "reviews-v2",
          "child": "ratings"
      },
      {
          "parent": "reviews-v3",
          "child": "ratings"
      }
  ]
  }
  

• startreck.json

  {
  "name": "USS Enteprise NCC-1701",
  "comments": "NCC-1701 Constitution Class Starship",
  "services": [{
          "name": "ncc1701",
          "uri": "http://ncc1701.net"
      },
      {
          "name": "weapons",
          "uri": "http://weapons.ncc1701.net"
      },
      {
          "name": "phasers",
          "uri": "http://phasers.ncc1701.net"
      },
      {
          "name": "lifesuppport",
          "uri": "http://lifesupport.ncc1701.net"
      }
  ],
  "relationships": [{
          "parent": null,
          "child": "ncc1701"
      },
      {
          "parent": "ncc1701",
          "child": "weapons"
      },
      {
          "parent": "weapons",
          "child": "phasers"
      },
      {
          "parent": "ncc1701",
          "child": "lifesuppport"
      }
  ]
  }
  

Reference

Python 3

This section describes how to install Python 3.7.2 in Ubuntu 18.04 / 18.10

• Install Python 3

  sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa
  sudo apt install -y python3.7
  

• Install Pip

  sudo apt install -y python3-pip
  

• To check versions

  apt list --installed | grep python
  

• Install Unit Tester

  pip3 install nose
  

• Install Nose Tester

  sudo apt install python-nose
  

• Run Unit Tester

  nosetests --with-xunit tests/test_project.py
  

• Freeze Requirements

  pip3 freeze > requirements.txt