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Patterns In Infrastructure as Code
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Takeshi Kondo
April 24, 2020
Technology
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6.1k
Patterns In Infrastructure as Code
Infra Study Meetup#1
https://forkwell.connpass.com/event/171560/
Takeshi Kondo
April 24, 2020
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Transcript
Patterns In Infrastructure as Code Takeshi Kondo / @chaspy Infra
Study Meetup #1
Passed
Agenda • Infrastructure as Code in Quipper • Patterns in
Infrastructure as Code 1. Environment Pattern 2. Scaffold Pattern 3. Backup Pattern
Agenda • Infrastructure as Code in Quipper • Patterns in
Infrastructure as Code 1. Environment Pattern 2. Scaffold Pattern 3. Backup Pattern • What • Why • Point • Example
Agenda • Infrastructure as Code in Quipper • Patterns in
Infrastructure as Code 1. Environment Pattern 2. Scaffold Pattern 3. Backup Pattern
Infrastructure as Code in Quipper (1) • Infrastructure / Cloud
(AWS) • Terraform • Codenize.tools (Miam, Roadworker) • Application Platform (Kubernetes) • Kube-aws • Server Provisioning • Ansible
Infrastructure as Code in Quipper (2) • SaaS Configuration •
Datadog • Dashboard • SLO • Monitor • Pingdom • Deadman’s snitch • CircleCI • Environment Variables
Infrastructure as Code in Quipper(2) • SaaS Configuration • Datadog
• Dashboard • SLO • Monitor • Pingdom • Deadman’s snitch • CircleCI • Environment Variables Terraform Codenize.tools (Barkdog) circleci-env (Internal tool)
Infrastructure as Code in Quipper(2) • SaaS Configuration • Datadog
• Dashboard • SLO • Monitor • Pingdom • Deadman’s snitch • CircleCI • Environment Variables Terraform Codenize.tools (Barkdog) circleci-env (Internal tool)
Infrastructure as Code in Quipper(2) • SaaS Configuration • Datadog
• Dashboard • SLO • Monitor • Pingdom • Deadman’s snitch • CircleCI • Environment Variables Terraform Codenize.tools (Barkdog) circleci-env (Internal tool)
Agenda • Infrastructure as Code in Quipper • Patterns in
Infrastructure as Code 1. Environment Pattern 2. Scaffold Pattern 3. Backup Pattern • What • Why • Point • Example
Environment Pattern
Environment Pattern Production Resource Staging Resource Staging Code Production Code
Infrastructure as Code - Chapter 9. Patterns for Defining Infrastructure Apply Apply Change Change
Environment Pattern: Why • To minimize blast radius • To
test before releasing to production
Environment Pattern: Point • Don’t Repeat Yourself • Minimize commonality
• Keep it simple stupid • Enforcing, not communize Infrastructure as Code - 9.2.7 Approaches to Sharing Definitions
Environment Pattern: Example services ᵓᴷᴷ hoge-service ᴹ ᵓᴷᴷ production ᴹ
ᴹ ᵓᴷᴷ aurora.tf ᴹ ᴹ ᵓᴷᴷ main.tf ᴹ ᴹ ᵓᴷᴷ provider.tf ᴹ ᴹ ᵓᴷᴷ terraform.tf ᴹ ᴹ ᵓᴷᴷ terraform.tfvars ᴹ ᴹ ᵓᴷᴷ variables.tf ᴹ ᴹ ᵋᴷᴷ versions.tf ᴹ ᵋᴷᴷ staging ᴹ ᵓᴷᴷ aurora.tf ᴹ ᵓᴷᴷ main.tf ᴹ ᵓᴷᴷ provider.tf ᴹ ᵓᴷᴷ terraform.tf ᴹ ᵓᴷᴷ terraform.tfvars ᴹ ᵓᴷᴷ variables.tf ᴹ ᵋᴷᴷ versions.tf ᵋᴷᴷ modules Terraform ansible ᵋᴷᴷ ubuntu1804 ᵓᴷᴷ reverse-proxy-production ᴹ ᵓᴷᴷ goss ᴹ ᵓᴷᴷ group_vars ᴹ ᴹ ᵓᴷᴷ all.yml ᴹ ᴹ ᵓᴷᴷ development.yml ᴹ ᴹ ᵋᴷᴷ staging.yml ᴹ ᵓᴷᴷ hosts-development ᴹ ᵓᴷᴷ hosts-test ᴹ ᵓᴷᴷ roles ᴹ ᴹ ᵋᴷᴷ nginx ᴹ ᴹ ᵓᴷᴷ files ᴹ ᴹ ᵓᴷᴷ tasks ᴹ ᴹ ᵋᴷᴷ templates ᴹ ᵋᴷᴷ site.yml ᵓᴷᴷ reverse-proxy-staging ᵓᴷᴷ common-roles ᵓᴷᴷ datadog ᵓᴷᴷ td-agent Ansible
Scaffold Pattern
Scaffold Pattern Template Input variable Code Generate
Scaffold Pattern: Why • To make self-service easier • Reduce
cognitive load Infrastructure as Code - 9.1.6 Self-Service Environments
Scaffold Pattern: Point • Write a document • Make each
program do one thing well https://en.wikipedia.org/wiki/Unix_philosophy
Scaffold Pattern: Example • Create new application with Kubernetes manifest
• Create new resource with Terraform HCL • Create AWS Aurora resource definition • Create Datadog SLO Definition
Create AWS Aurora resource definition
Backup Pattern
Backup Pattern Code Resource Import Change manually
Backup Pattern Code Resource Import Change manually Apply
Backup Pattern: Why • Easy to change from GUI (especially
SaaS Configuration) • For backup • For greppability • For bulk replacement
Backup Pattern: Point • Sync Interval • If long, it
may overwrite the actual configuration
Backup Pattern: Example • Datadog Dashboard • Datadog Monitor •
Jenkins Configuration (SCM Sync Plugin)
Datadog Dashboard
Let’s Read http://shop.oreilly.com/product/0636920294382.do
Special Thanks • @suzuki-shunsuke • To lead splitting Terraform state
• To improve CI/CD pipeline • SRE graduates • To introduce of Infrastructure as Code • To build workflow with maintainability
Happy (Infrastructure as) Coding
Thank You! chaspy chaspy_ Site Reliability Engineer at Quipper Takeshi
Kondo Terraform-jp