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Scaling terraform
- 1. Scaling Terraform From Startupto Enterprise
- 2. OUR Ideato and Extrategyhave now become Flowing: an inclusive community of people who share a passion for innovation and a need to keep things moving. We have come together to form a new entity and to partner with those who share our values, so we can continue to grow day by day. PEOPLE
- 3. WE DEVELOP DIGITAL PROJECTTOGETHER WITH YOU.
- 4. Scaling Terraform ● Intro ●What is Terraform ● 4 Stages of Adoption ● Stage Next
- 5. Scaling Terraform ● Intro ●What is Terraform ● 4 Stages of Adoption ● Stage Next
- 7. From Infrastructure Servicesto multiple Cloud Not IaaS services Cloud providerVirtualization and IaaS Cloudflare UltraDNS Fastly BitBucket Datadog (and more…) Amazon Google Cloud Microsoft Azure DigitalOcean Alibaba Cloud (and more…) OpenStack OpenNebula VMware vCloud Softlayer Cloudstack (and more…)
- 8. Pro Cons ● MultipleProvider ● Low learning curve ● Declarative HCL language, not procedural code ● Dry runs ● Infrastructure versioning ● Terraform Registry ● No rolling upgrades* ● HCL Limitations (logic, loops)* ● Not “Drift detection”*
- 9. Scaling Terraform ● Intro ●What is Terraform ● 4 Stages of Adoption ○ Stage 1 Manual ○ Stage 2 Semi Automated ○ Stage 3 ○ Stage 4 ● Stage Next
- 10. 4 Stage ofAdoption
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- 12. Scaling Terraform -Stage 1 Manual ● Web Consoles / Manual CLI ● Single environment(s) ● Mutable Infrastructure (Pets server)
- 13. Scaling Terraform -Stage 1 Manual ● Web Consoles / Manual CLI ● Single environment(s) ● Mutable Infrastructure (Pets server) ● “Infrastructure as Code”
- 14. Scaling Terraform -Stage 1 Manual ● Web Consoles / Manual CLI ● Single environment(s) ● Mutable Infrastructure (Pets server) ● “Infrastructure as Code” ops.txt
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- 16. ● Not usingany Terraform is the first step to using a lot of Terraform
- 17. Scaling Terraform -Stage 1 Manual Technical Operational Reproducibility Auditing Change Management Consistency Architecture Knowledge Sharing
- 18. Scaling Terraform -Stage 1 Manual Technical Operational Reproducibility Auditing Change Management Consistency Architecture Knowledge Sharing
- 19. Scaling Terraform -Stage 1 Manual ● Intro ● What is Terraform ● 4 Stages of Adoption ○ Stage 1 Manual ○ Stage 2 Semi automated ○ Stage 3 ○ Stage 4 ● Stage Next
- 20. Stage 2 -Semi automated
- 21. Scaling Terraform -Stage 2 Semi automated ● Adopting Infrastructure As Code (also Dockerfiles) ● Machine images (also playbooks and others / Packer) ● Web Consoles ● Introduce Terraform! ○ Configuration! ○ Automation! ○ Iteration!
- 22. Modeling Infrastructure withConfiguration
- 23. ● Plan, Apply,Iterate
- 25. Scaling Terraform -Stage 2 Semi automated Technical Operational Reproducibility Auditing Change Management Consistency Architecture Knowledge Sharing
- 26. Scaling Terraform -Stage 2 Semi automated Technical Operational Reproducibility Auditing Change Management Consistency Architecture Knowledge Sharing State management Operations
- 27.
- 28. Scaling Terraform -Stage 2 Semi automated
- 29. Scaling Terraform -Stage 2 Semi automated $ cat ec2_instance.tf resource "aws_instance" "prod_ec2" { # ...instance configuration... } $ terraform import aws_instance.prod_ec2 i-abcd1234
- 30. Scaling Terraform -Stage 2 Semi automated
- 31. Scaling Terraform ● Intro ●What is Terraform ● 4 Stages of Adoption ○ Stage 1 Manual ○ Stage 2 Semi automated ○ Stage 3 ○ Stage 4 ● Stage Next
- 32.
- 33. ● Workspaces ● PackagedComponents ● Modules ● Inputs and Outputs ● Config Mgmt Hooks
- 34. Scaling Terraform -Stage 3 ● Organizational adoption ● Multiple Environments ● Collaboration ● Version Control
- 35. Scaling Terraform -Stage 3 ● Organizational adoption ● Multiple Environments (Workspaces)
- 36. Scaling Terraform -Stage 3 ● Organizational adoption ● Multiple Environments (Workspaces) $ terraform workspace new staging You're now on a new, empty workspace. Workspaces isolate their state, so if you run "terraform plan" Terraform will not see any existing state for this configuration.
- 37. Scaling Terraform -Stage 3 ● Organizational adoption ● Multiple Environments (Workspaces) - separate state files ● resource "aws_instance" "example" { count = "${terraform.workspace == "prod" ? 5 : 1}" # … other params }
- 38. Scaling Terraform -Stage 3 ● Organizational adoption ● Multiple Environments (Workspaces) - separate state files resource "aws_vpc" "mycompany_vpc" { name = "VPC ${terraform.workspace == "default" ? “Prod” : “Staging”}" # … other params }
- 39. ● Workspaces ● PackagedComponents
- 40. Scaling Terraform -Stage 3
- 41. ● Workspaces ● PackagedComponents ● Modules
- 42. Scaling Terraform -Stage 3
- 43. Scaling Terraform -Stage 3
- 44. $ tree base-mod/ ├──README.md ├── main.tf └── variables.tf └── outputs.tf
- 47. ● Version control(PR) ● Remote state
- 49. Scaling Terraform -Stage 3 Technical Operational Reproducibility Auditing Change Management Consistency Architecture Knowledge Sharing State management Operations
- 50. Scaling Terraform -Stage 3 Technical Operational Reproducibility Auditing Change Management Consistency Architecture Knowledge Sharing State management Operations
- 51. Scaling Terraform -Stage 3 ● Intro ● What is Terraform ● 4 Stages of Adoption ○ Stage 1 Manual ○ Stage 2 Semi automated ○ Stage 3 ○ Stage 4 ● Stage Next
- 52.
- 53. ● VCS Integration ●Team permissions ● “Run Terraform for me”
- 54. Developer “I need tocreate new VMs for my new env; but i don’t know yet how many”
- 55. Operations “Ok, it’s nota problem!”
- 56. Scaling Terraform -Stage 4 Operations Create new Reservation (Scheduled Reserved or Convertible) Create new IAM and assign permission for this RI Restrict IAM Policy for using RI and EC2 family
- 57. Scaling Terraform -Stage 4 Developers Configure AWS CLI with IAM user Create Terraform module for EC2 resources
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- 61. Scaling Terraform -Stage 4
- 63. Scaling Terraform -Stage 4
- 64. Grazie! Paolo Tonin Cloud &DevOps paolo.tonin@flowing.it