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Managing Cloudflare with Terraform
Meetup 03-03-2022
Our Situation
- DNS Provider Cloudflare
- 6 Root Domains
- 250 DNS Records
- Manual Managed
- Tasks:
- Migration to new Kubernetes cluster - switch every DNS entry
- Disaster Recovery easy way to change loadbalancer IP
Terraform
- Infrastructure as code
- Registry
- provider - implement
ressource types
- module -
configuration for
terraform
https://www.terraform.io/img/docs/intro-terraform-workflow.png
Demo Time
1. Import all Zones
cf-terraforming generate --email <email> --key <key> --resource-type cloudflare_zone > zones.tf
cf-terraforming import --email <email> --key <key> --resource-type cloudflare_zone > imports.sh
2. Import all DNS Records for Zones
cf-terraforming generate --email <email> --key <key> -z <zone_id> --resource-type cloudflare_record >
records.tf
cf-terraforming import --email <email> --key <key> -z <zone_id> --resource-type cloudflare_record >
imports.sh
Tool
https://github.com/cloudflare/cf-terraforming
Importing Existing Ressources
Terraform State File & Backends
State File contain all information about infrastructure, internal relationships,
and secrets in PLAIN TEXT
Use Encrypted Cloud Backend (e.g. Postgres, S3 …)
backend "s3" {
key = "meetup-state/terraform.tfstate"
bucket = "uninow-terraform"
region = "eu-central-1"
}
Demo Time
Checkout
uninow.io - Next week: Slides
Upcoming Meetup:
07.04.22 Algolia: How to build a modern search experience
05.05.22 Lottie: Creating cool Animations for React and React Native
06.06.22 Continuous Deployment with GitHub Actions and ArgoCD
07.07.22 React Native App Testing with Detox
04.08.22 Building a full Disaster Recovery for Kubernetes

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UniNow Meetup: Managing Cloudflare with Terraform

  • 1. Managing Cloudflare with Terraform Meetup 03-03-2022
  • 2. Our Situation - DNS Provider Cloudflare - 6 Root Domains - 250 DNS Records - Manual Managed - Tasks: - Migration to new Kubernetes cluster - switch every DNS entry - Disaster Recovery easy way to change loadbalancer IP
  • 3. Terraform - Infrastructure as code - Registry - provider - implement ressource types - module - configuration for terraform https://www.terraform.io/img/docs/intro-terraform-workflow.png
  • 5. 1. Import all Zones cf-terraforming generate --email <email> --key <key> --resource-type cloudflare_zone > zones.tf cf-terraforming import --email <email> --key <key> --resource-type cloudflare_zone > imports.sh 2. Import all DNS Records for Zones cf-terraforming generate --email <email> --key <key> -z <zone_id> --resource-type cloudflare_record > records.tf cf-terraforming import --email <email> --key <key> -z <zone_id> --resource-type cloudflare_record > imports.sh Tool https://github.com/cloudflare/cf-terraforming Importing Existing Ressources
  • 6. Terraform State File & Backends State File contain all information about infrastructure, internal relationships, and secrets in PLAIN TEXT Use Encrypted Cloud Backend (e.g. Postgres, S3 …) backend "s3" { key = "meetup-state/terraform.tfstate" bucket = "uninow-terraform" region = "eu-central-1" }
  • 8. Checkout uninow.io - Next week: Slides Upcoming Meetup: 07.04.22 Algolia: How to build a modern search experience 05.05.22 Lottie: Creating cool Animations for React and React Native 06.06.22 Continuous Deployment with GitHub Actions and ArgoCD 07.07.22 React Native App Testing with Detox 04.08.22 Building a full Disaster Recovery for Kubernetes