Rainsbrook - terraform

debugging_terraform

Anonymous (anonymous@undisclosed.example.com) — 2022-11-14T17:00:24+00:00

Debugging Terraform To troubleshoot further and find which resources couldn't be found, I tried this to add verbosity:- study:aws-vpn-vpc $ export TF_LOG=DEBUG study:aws-vpn-vpc $ terraform plan Options are TRACE, DEBUG, INFO, WARN or ERROR, or

list

Anonymous (anonymous@undisclosed.example.com) — 2025-02-18T17:29:58+00:00

Terraform lists variable "cidr_block" { type = list(string) default = ["10.0.0.0/16", "10.1.0.0/16", "10.2.0.0/16"] }

map

Anonymous (anonymous@undisclosed.example.com) — 2025-02-18T15:30:51+00:00

Terraform Map statement $ more main.tf variable "owner" { description = "Hat owner" type = string } variable "var_map" { type = map(string) default = { tom = "Trilby" bertie = "Bowler" harry = "Homberg" } } output "owner" { value = var.owner } output "hatvalue" { value = "${lookup(var.var_map, var.owner)}" } output "hatvalue1" { value = var.var_map[var.owner] }

modules1

Anonymous (anonymous@undisclosed.example.com) — 2025-02-12T16:29:48+00:00

Basic Modules example To create an AWS parameter in a module, just the simplest example I could think of. The access key and secret are exported as shell variables. This is not the best way to do this, but the object of the excercise is to play with modules not authentication.

modules2

Anonymous (anonymous@undisclosed.example.com) — 2025-02-10T15:32:15+00:00

start

Anonymous (anonymous@undisclosed.example.com) — 2025-10-07T10:03:49+00:00

Terraform Links:- Simple example 1 Simple example 2 Starting Terraform reads all files in a directory to build a project. By convention they end .tf Terrraform used plug in modules to communicate with a cloud provider, eg. AWS, …

terraform-console

Anonymous (anonymous@undisclosed.example.com) — 2022-12-21T11:51:28+00:00

Terraform Console variable "cidr_blocks" { description = "CIDR blocks" type = list(string) default = [ "192.168.100.1/24", "192.168.100.2/24", "192.168.100.3/24", ] } $ terraform console > var.cidr_blocks tolist([ "192.168.100.1/24", "192.168.100.2/24", "192.168.100.3/24", > > exit $

terraform-examples1

Anonymous (anonymous@undisclosed.example.com) — 2022-11-15T09:46:59+00:00

Simple example andrew@puppet:~/terraform/ec2-Build$ cat ec2-builder1.tf # test build for simple ec2-instance # Andrew 20/09/2018 provider "aws" { assume_role { role_arn = "arn:aws:iam::1234567890:role/sandbox" } access_key = "YourKeyHere" secret_key = "YourSecretHere" region = "eu-west-1" (Ireland) } resource "aws_instance" "example" { ami = "ami-0bdb1d6c15a403123" instance_type = "t2.micro" } andrew@puppet:~/terraform/ec2-Build$

terraform-examples2

Anonymous (anonymous@undisclosed.example.com) — 2022-03-09T14:52:20+00:00

Terraform snippets Setting Variables variable "prod_tunnel" { default = "true" } #AWS TAGS locals { common_tags = { constructby = "Terraform" cost. = "AC2345" email = "support@example.com" environment = "production" } }

terraform-variables

Anonymous (anonymous@undisclosed.example.com) — 2025-02-17T17:40:08+00:00

Terraform Variables setup.tf terraform { required_providers { aws = { source = "hashicorp/aws" version = "3.74.1" } } backend "s3" { region = "eu-west-2" bucket = "statefiles" key = "tsg/plan-apply.tfstate" dynamodb_table = "tsg-plan-apply-lockfiles" } }

terraform-workspace

Anonymous (anonymous@undisclosed.example.com) — 2023-01-12T10:44:24+00:00

Terraform Workspace Set up workspace $ terraform workspace new dev Created and switched to workspace "dev"! $ terraform workspace new prod Created and switched to workspace "prod"! $ terraform workspace list default <------------------ Note default workspace which is always present. * dev <================== Asterisk indicates current workspace prod testing123 $ terraform workspace select prod Switched to workspace "prod". $ terraform workspace show prod $ terraform workspac…