it's not a dream, netdevops cicd pipelines can develop
TRANSCRIPT
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https://developer.cisco.com/netdevops/live
Hank Preston, ccie 38336 R/S
Developer Advocate, DevNet
Season 1, Talk 2
It's Not a Dream, NetDevOps CICD Pipelines Can Develop, Test, and Deploy Network Configurations Today
Twitter: @hfpreston
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© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
• Today’s Network Configuration Pipelines
• NetDevOps CICD Pipeline in Concept
• NetDevOps CICD in Action
What are we going to talk about?
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Today’s Network Configuration Pipelines
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© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
“Every time we implement a network change something goes wrong…”
“Isn’t it great, our switch hasn’t been rebooted in 6 years”
“We can’t update/change the network, our business won’t allow it”
* Paraphrased quotes from actual network operators
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Don’t encourage this kind of behavior!!!!
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• Functional but considered fragile
• Network configuration more “art than science”
• Tribal knowledge of key engineers
Today’s reality…
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Today’s Pipeline Realities
Sequential and Manual Infrastructure Provisioning
Snowflake Infrastructure with Organic Configurations
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NetDevOps CICD Pipeline in Concept
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• Bring together individual developers code
• Compile/Build components
• Execute Tests
Software Development Process – Integration
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• On tested and working code
• Create final artifacts
• Make available for usage
Software Development Process – Delivery
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• Install application
• Configure for use
Software Development Process – Deployment
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© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Continuous Development(or CICD)
• Continuous development is the natural progression of iteration times shrinking into insignificance. Through heavy use of automation, flexible infrastructure and modular architecture, software development leaders have come to the point where each code change is its own deployment.
http://searchsoftwarequality.techtarget.com/essentialguide/Next-generation-Agile-Guide-to-continuous-development
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Continuous Development Process Flow
Continuous Integration Merging of development work with code base constantly so that automated testing can catch problems early
Continuous DeliverySoftware package delivery mechanism for releasing code to staging for review and inspection
Continuous DeploymentRelies on CI and CD to automatically release code into production as soon as it is ready. Constant flow of new features into production
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• “Treating the Network as Code”
• Network Configuration stored in Source Control
• Changes are proposed in code “branches”
• CICD Build Servers deploy and test proposed configurations
• Successful configurations ready for deployment to “Production”
NetDevOps Configuration Pipeline
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Distributed Source Control(git, Subversion, Mercurial, GitHub, BitBucket, GitLab)
The NetDevOps Engineers Tool Bag(Example tools, not comprehensive)
Network Device
YANG/Native Data Model
Configuration Data Operational Data
Configuration Management(Ansible, Puppet, NSO, NAPALM, DIY)
Network Virtualization
Platforms(VIRL/CML, NFVIS,
Vagrant)
Build Server(GitLab, Jenkins, Team City, Drone)
Network Test Tooling(PyATS, TRex, Robot, Behave)
Telemetry & Monitoring(ELK, Grafana, Pipeline, UTM)
Development Environment(Vagrant, NSO, VIRL/CML)
Test Environment(VIRL/CML)
Production Environment
CLI SNMPNETCONF/RESTCONF
gRPC REST APIs
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NetDevOps CICD in Action
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So… Who’s pumped about the possibilities?
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NetDevOps CICD Demo Environment
Version Control
Network Simulation
Source Control/
Build
Chat and Notifications
Infrastructure as Code
Dev Network Environment
Network Testing
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NetDevOps Will Deliver
Consistent Version Controlled Infrastructure deployed with Parallel & Automated Provisioning
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Distributed Source Control
Network Device
YANG/Native Data Model
Configuration Data Operational Data
Configuration Management
Network Virtualization
Platforms
Build Server
Network Test Tooling Telemetry & Monitoring
Development Environment Test Environment Production Environment
CLI SNMPNETCONF/RESTCONF
gRPC REST APIs
Configuration Management
Network Service Orchestrator(NSO)
Development Environment
NSO, VIRL, VNFsTest Environment
VIRL/CML
Network Test Tooling
PyATS, TRex
Network Virtualization Platforms
NFVISVIRL/CMLNSOVNFs
Telemetry & Monitoring
Pipeline, UTR
Network Device
DNA Center Platform, APIC, Meraki, IOS XE, IOS XR, NX-OS,
Firepower, UCS
The NetDevOps Engineers Tool Bag
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Summing up
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© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
• Today’s Network Configuration Pipelines
• NetDevOps CICD Pipeline in Concept
• NetDevOps CICD in Action
What did we talk about?
![Page 23: It's Not a Dream, NetDevOps CICD Pipelines Can Develop](https://reader033.vdocuments.mx/reader033/viewer/2022041718/6253db2ec7fda76e15035aa0/html5/thumbnails/23.jpg)
© 2018 Cisco and/or its affiliates. All rights reserved. Cisco Public
Webinar Resource List
• Docs and Links• https://developer.cisco.com/netdevops
• https://developer.cisco.com/pyats
• Learning Labs• Jumpstart Your NetDevOps Journey http://cs.co/lab-netdevops
• Introduction to NetDevOps CICD Pipelines http://cs.co/lab-netcicd
• Introduction to Ansible on IOS XE http://cs.co/lab-ansible-iosxe
• DevNet Sandboxes • Multi-IOS Sandbox with CICD Demo http://cs.co/sbx-multi
• Code Samples• http://cs.co/code-sbx-multi
• http://virl.cisco.com
• https://developer.cisco.com/nso
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• DevOps style configuration management for the network with Open Source – Live on Oct 2nd
• What's the big deal about Source Control? Why your network configurations should be in "git“ – Live on Oct 9th
• Introduction to Network Services Orchestrator - the single API and CLI for your network – Live on Oct 16th
• Profile, test and verify your network is running smoothly with pyATS– Live on Oct 30th
Related NetDevOps Live! Episodes
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developer.cisco.com/codeexchange
NetDevOps Live! Code Exchange Challenge
Create a sample VIRL topology file and submit to Code Exchange for others to check out.
Example: A Multi-Site DMVPN Network Topology.
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• NetDevOps on DevNetdeveloper.cisco.com/netdevops
• NetDevOps Live! developer.cisco.com/netdevops/live
• NetDevOps Blogsblogs.cisco.com/tag/netdevops
• Network Programmability Basics Video Coursedeveloper.cisco.com/video/net-prog-basics/
Looking for more about NetDevOps?
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Got more questions? Stay in touch!
@hfpreston
http://github.com/hpreston
@CiscoDevNet
facebook.com/ciscodevnet/
http://github.com/CiscoDevNet
Hank Preston developer.cisco.com
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https://developer.cisco.com/netdevops/live
@netdevopslive