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iac-terraform's Introduction

Infra Projeto Ecommerc

  • Processo automatizado para construção de um servidor web para WordPress em sua última versão.

Sequencia de apply terraform

  • Ambiente DEV
    • 01-S3-State
    • 02-Network-DEV
    • 03-RDS-DEV
    • 04-Ec2-DEV

~ EXECUÇÃO AUTOMATICA ~

./wordpress_env.sh

~ EXECUÇÃO MANUAL ~

Criar chave rsa

ssh-keygen -t rsa -b 4096 -C "email_do_github"
cat ~/.ssh/id_rsa_wordpress.pub

logo em seguida adicionar a chave pública ao arquivo env.tfvars na variável public_key

S3-State

  • Script Terraform com persistência no S3
cd 01-S3-State

terraform init
terraform plan --var-file=../env.tfvars
terraform apply --var-file=../env.tfvars

Se quiser destruir:

terraform destroy --var-file=../env.tfvars

Network

cd ..
cd 02-Network

terraform init
terraform plan --var-file=../env.tfvars
terraform apply --var-file=../env.tfvars

-IMPORTANTE: Pegar Outputs e adicionar ao arquivo env.tfvars nas variáveis subnets..., exemplo:

subnet_private_az1_id = "subnet-0aff571efcb86a524"
subnet_private_az2_id = "subnet-04a43817c318b8e0a"
subnet_public_az1_id = "subnet-04b950c56b23615e6"
subnet_public_az2_id = "subnet-07e4ae2cbc5e923a9"
vpc_env_id = "vpc-00732e71af954342b"

Se quiser destruir:

terraform destroy --var-file=../env.tfvars

RDS

cd ..
cd 03-RDS-DEV

terraform init
terraform plan --var-file=../env.tfvars
terraform apply --var-file=../env.tfvars

Se quiser destruir:

terraform destroy --var-file=../env.tfvars

EC2

cd ..
cd 04-Ec2-DEV

terraform init
terraform plan --var-file=../env.tfvars
terraform apply --var-file=../env.tfvars

-IMPORTANTE: Pegar Outputs e adicionar ao arquivo env.tfvars na variáveis wordpress, exemplo:

wordpress_dev_public_dns = "ec2-52-9-164-90.us-west-1.compute.amazonaws.com"
wordpress_dev_public_ip = "52.9.164.90"

Se quiser destruir:

terraform destroy --var-file=../env.tfvars

TERRAFORM itens adicionados

  • S3 [ Bucket - State ]
  • Network [ VPC, Subnets, Internet Gateway, NAT Gateway, Route Table ]
  • RDS-MySQL [ Instance, SG]
  • EC2 [ EC2, SG, EIP ]

ec2

  • name: myInstance;
  • instance type: t2.micro;
  • AZ: us-east-1
  • AMI: ami-0d57c0143330e1fa7;
  • VPC: default 443 TCP 0.0.0.0/0 80 TCP 0.0.0.0/0 22 TCP 0.0.0.0/0 8080 TCP 0.0.0.0/0
  • subnet-public-az1: "10.1.48.0/20"
  • Elastic IP: yes;

Bucket-s3-State

wordpress-state us-east-1 privado

VPC

  • "0.1.0.0/16"
    • subnet-private-az1 = "10.1.0.0/20" RDS
    • subnet-private-az2 = "10.1.16.0/20" RDS
    • subnet-public-az1 = "10.1.48.0/20" ec2
    • subnet-public-az2 = "10.1.64.0/20"

Security Groups

Grupo 01: ec2:

  • name: sg_dev_ec2_wordpress;
  • regras de entrada: 3 Entrada de permissão
    • 22
    • 443
    • 80
    • 8080
  • regras de saída: 1 Entrada de permissão
    • 0.0.0.0/0

Grupo 02: RDS:

  • name: sg_dev_rds_mysql;
  • regras de entrada: 1 entrada de permissão
    • 3306
  • regras de saída:
    • 0.0.0.0/0

RDS

  • name: rds-prd-mysql;
  • engine: mySQL;
  • AZ: us-east-1;
  • VPC:
    • subnet-private-az1 = "10.1.0.0/20"
    • subnet-private-az2 = "10.1.16.0/20"
  • type_instance: db.t3.small;
  • engine_version: 5.7;

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