dd-wiki - terraform
https://wiki.davidedoro.it/
2026-07-10T04:10:52+00:00dd-wiki
https://wiki.davidedoro.it/
https://wiki.davidedoro.it/lib/exe/fetch.php?media=wiki:dokuwiki.svgtext/html2024-11-10T08:01:13+00:00Anonymous (anonymous@undisclosed.example.com)basic
https://wiki.davidedoro.it/doku.php?id=terraform:basic&rev=1731225673&do=diff
Terraform up and running
language: .hcl Hashicorp Configuration Language
syntax:
<block type> "<block label>" "<block label>"{
#body block
<identifier> = <expression>
}
ex:
resource "google_compute_network" "default" {
#comment
name = mynetwork
auto_create_subnetworks = false
}text/html2024-11-10T08:01:08+00:00Anonymous (anonymous@undisclosed.example.com)cloud
https://wiki.davidedoro.it/doku.php?id=terraform:cloud&rev=1731225668&do=diff
* create a service key
* setup on terraform cloud a sensitive variable named GOOGLE_CREDENTIALS where the content is given issuing this command:
cat /root/ddoro-infra.json |tr -s '\n' ' '
* remember to setup on terraform cloud workspace Remote as Execution Modetext/html2024-11-10T08:01:06+00:00Anonymous (anonymous@undisclosed.example.com)commands
https://wiki.davidedoro.it/doku.php?id=terraform:commands&rev=1731225666&do=diff
useful commands
terraform init -> initialize the providers
terraform plan -> preview of resources that is going to be created after terraform apply
terraform apply -> create real infrastructure resources
terraform destroy -> CAUTION destroy infrastrucutre resourcestext/html2024-11-10T08:01:04+00:00Anonymous (anonymous@undisclosed.example.com)gcp
https://wiki.davidedoro.it/doku.php?id=terraform:gcp&rev=1731225664&do=diff
authentication
iam and admin
Terraform Providers
Providers overview
GCP docs
compute instance
first example main.tf:
resource "google_compute_instance" "default" {
name = "test"
machine_type = "e2-micro"
zone = "europe-central1-a"
boot_disk {
initialize_parames{
image = "debian-cloud/debian-9"
}
}
}text/html2024-11-10T08:01:11+00:00Anonymous (anonymous@undisclosed.example.com)import
https://wiki.davidedoro.it/doku.php?id=terraform:import&rev=1731225671&do=diff
to import a resource on tfstate in case of tfstate lost follow these steps:
* Ordered List Itemfind the resource to import (in this example a cluster GKE)
in this case we need to find the cluster name, and cluster location [ <cluster-name>,projects/<project-id>/locations/<location>/clusters/<cluster-name> ] the other requested information may change with the case