{{tag>Cloud IAC}}

= Cloud - Terraform import - OpenTofu import

== Importation d'une instance dans le "state"

<code - import.tf>
provider "aws" {
  profile    = "default"
  region     = "eu-west-1"
}

resource "aws_instance" "inst1" {
  # (resource arguments)
}
</code>

<code bash>
terraform import aws_instance.inst1 i-0127e23e987f1f08a
</code>

== Création de la définition de notre instance

<code bash>
terraform state list
terraform state show -no-color aws_instance.inst1 > aws_instance-inst1.tf

mv import.tf import.tf.bak

terraform fmt aws_instance-inst1.tf
</code>

Créer ce fichier
<code - region.tf>
provider "aws" {
access_key = ""
secret_key = ""
region = "eu-west-1"
}
</code>

=== Correction du code

<code bash>
terraform plan -target=aws_instance.inst1 2>&1 |grep Err
</code>

<code ->
Error: "public_ip": this field cannot be set
Error: "arn": this field cannot be set
Error: "public_dns": this field cannot be set
Error: "instance_state": this field cannot be set
Error: "root_block_device.0.volume_id": this field cannot be set
Error: "private_dns": this field cannot be set
Error: "primary_network_interface_id": this field cannot be set
Error: : invalid or unknown key: id
</code>


Commenter les ligner en erreur ("public_ip, arn...")

<code - aws_instance-inst1.tf>
# aws_instance.inst1:
resource "aws_instance" "inst1" {
  ami                          = "ami-0a3c5e107eda3e29b"
  #arn                          = "arn:aws:ec2:eu-west-1:299632874688:instance/i-0127e23e987f1f08a"
  associate_public_ip_address  = true
  availability_zone            = "eu-west-1b"
  #cpu_core_count               = 1
  #cpu_threads_per_core         = 1
  disable_api_termination      = false
  ebs_optimized                = false
  get_password_data            = false
  #id                           = "i-0127e23e987f1f08a"
  #instance_state               = "running"
  instance_type                = "t2.micro"
  ipv6_address_count           = 0
  ipv6_addresses               = []
  key_name                     = "My keyPair"
  monitoring                   = false
  #primary_network_interface_id = "eni-034b4bb5957d77123"
  #private_dns                  = "ip-172-31-237-138.eu-west-1.compute.internal"
  private_ip                   = "172.31.237.138"
  #public_dns                   = "ec2-34-241-189-63.eu-west-1.compute.amazonaws.com"
  #public_ip                    = "34.241.189.63"
  security_groups              = []
  source_dest_check            = true
  subnet_id                    = "subnet-0d63fcd2f893bbb9b"
  tags = {
    "Name" = "InstanceName"
  }
  tenancy     = "default"
  volume_tags = {}
  vpc_security_group_ids = [
    "sg-0e09491e039edf3dd",
  ]

  credit_specification {
    cpu_credits = "standard"
  }

#  root_block_device {
#    delete_on_termination = true
#    iops                  = 100
#    volume_id             = "vol-02ccd390ba7b838cd"
#    volume_size           = 8
#    volume_type           = "gp2"
#  }

  timeouts {}
}
</code>

<code bash>
#terraform plan -target=aws_instance.inst1
terraform apply
</code>


<code ->
Error: Error launching source instance: UnsupportedOperation: The t2.micro instance type does not support specifying CpuOptions.
        status code: 400, request id: e6bb04ea-3f2a-47d7-a140-98d12857ceed
</code>

Commenter les lignes "cpu_core_count" et "cpu_threads_per_core" puis

<code bash>
terraform plan |grep 'known after apply'
#terraform taint aws_instance.inst1
terraform state rm aws_instance.inst1
terraform apply
</code>