DevNet_Create_2018
NetDevOps Engineer Everyday Skills
This repo will include all the files needed for the DevNet Create 2018 Workshop.
Do you want to learn how to write simple ChatOps apps for IOS XE network devices? This session will explore a few IOS XE device programmability capabilities to help you create your first ChatOps application using NETCONF, RESTCONF, and Guest Shell.
This workshop requires:
- Cisco DevNet account
- Spark account – sign up at https://www.ciscospark.com/
- GitHub account
- ServiceNow developer account (optional)
- DevNet CSR1000V sandbox – provided, or reserved by you here: https://developer.cisco.com/site/sandbox/
- You will need Python 2.7 and 3.x installed
- requests and ncclient libraries
The repo includes these files
- config.py - configuration file that includes account usernames and passwords
- eem_cli_config.txt - cli configuration for the CSR1000V router that will be used during the workshop
- save_base_config.py - script to establish the baseline configuration
- netconf_restconf.py - demonstrate how to manage the IOS XE device from Guest Shell using NETCONF and RESTCONF
- config_change.py - application code
- the workshop PowerPoint Presentation
Application Workflow
- User makes IOS XE device configuration change
- Syslog triggers EEM Guest Shell Python script execution
- The config_change.py script will:
- Detect if a configuration change and what changed
- Collect the device hostname using RESTCONF
- Identify the user the made the change using Python CLI
- Create Spark room using REST APIs, invite Approver to room, post the above information to ask for approval
- If changes approved, save new configuration as baseline
- If not approved or no response, rollback to the previous baseline configuration
- Close the Spark room in 30 seconds
- Create ServiceNow incident to record all the above information