intro2devops

One Day Workshop on DevOps Essentials

Technical Goals:

• Introduce infrastructure automation as a concept with Chef as a model
• Introduce cloud infrastructure with chef-provisioning
• Introduce continuous delivery of apps/inf with Jenkins

Community Goals:

• Broaden the funnel of entering practitioners from under-represented backgrounds
• Introduce DevOps as
  • Cool
  • Valuable
  • Fun

See SETUP.md for technical preparation

Outline

1. introductory.md

• logistics
• agenda
• introductions
• why devops
• why diversity
• technical goals

1. infrastructure.md

• what is infrastructure?
  • automobile analogy
• why automate it?
  • click-next dangers
  • repeatablity, speed
  • so let's get started, but first:

1. workstation_setup.md

• connect to AWS workstation
• set up local connection and Atom remote_file

1. chef_0.md

• setting: we have to release our (non-dynamic) home page
  • we need to walk before we can run - so we'll start simple
• how do config mgmt systems approach the problem?
  • Infrastructure as Code
    • Programmatically provision & configure components
    • Treat like any codebase
    • Reconstruct business from repository, data backup, and compute
  • Policy-based management
    • capture in code
    • Chef ensures nodes and compute resources comply
• resources
• test & repair

1. chef_1.md

• enough lab with package, file, service and template to get hello world!
• What's the DevOps story here?

1. code_collaboration.md

• lab: bump versions and collaborate through GitHub PRs
• lab: test your cookbook
• lab: use Jenkins to ensure you're testing
• optional_lab: use Jenkins to release your infrastructure
• What's the DevOps story here?

1. operationalize.md

• Why AWS
  • Biggest player
  • All other players borrow from them: Dig. Ocean, Google Cloud,
  • One I'm most familiar with
• Why the cloud?
  • OpEx vs. CapEx
  • Elastic to demand
  • Instant provisioning
  • The Netflix story

1. aws_0.md

• ec2
  • ami
  • instance size
  • security groups
    • the instances so far have been in the default security group, which only allows ingress from this set of IP addresses
    • can't reach it with your phone
    • the www machine needs to be world-accessible
• load-balancing

Attributions

• Jennifer Davis and Franklin Webber for TechSuperWomen materials
• Franklin Webber for https://github.com/learnchef/chefdk-fundamentals