Terraform Lab 04 - Output Values ~ 快快樂樂的Peter (Happy Peter)

Scenario

1. Creating AWS provider code block and AWS EC2 code block

2. Creating variables for region, instance_id, ami_id and tags

3. Setting default for variables in variables.tf

4. Creating outputs.tf for both EC2 in the main.tf file: instance ID and ARN

5. Run "terraform init" then validate configuration with terraform validate

6. Run "terraform plan" and "terraform apply" to create resource, verify that your outputs show creation

7. After lab finished, run "terraform destroy" to destroy all the resources.

main.tf

provider "aws" {
  region = var.region
  access_key = "PUT-YOUR-ACCESS-KEY-HERE"
  secret_key = "PUT-YOUR-SECRET-KEY-HERE"
}

resource "aws_instance" "EC2_Test1" {
  ami = var.ami_id
  instance_type = var.instance_type
  tags = var.tags
}

resource "aws_instance" "EC2_Test2" {
  ami = var.ami_id
  instance_type = var.instance_type
  tags = var.tags
}

variables.tf

variable "region" {
  type = string
  default = "ap-southeast-1"
}

variable "instance_type" {
  type = string
  default = "t2.micro"
}

variable "ami_id" {
  type = string
  default = "ami-0c802847a7dd848c0"
}

variable "tags" {
  type = map
  default = {
    Name = "HelloWorld"
  }
}

outputs.tf

output "EC2_Test1_id" {
  value = aws_instance.EC2_Test1.id
}

output "EC2_Test2_id" {
  value = aws_instance.EC2_Test2.id
}

output "EC2_Test1_arn" {
  value = aws_instance.EC2_Test1.arn
}

output "EC2_Test2_arn" {
  value = aws_instance.EC2_Test2.arn
}

outputs:

PS D:\Blog\Terraform\Lab\lab04> terraform init   

Initializing the backend...

Initializing provider plugins...
- Reusing previous version of hashicorp/aws from the dependency lock file
- Using previously-installed hashicorp/aws v4.22.0
any changes that are required for your infrastructure. All Terraform commands
should now work.

If you ever set or change modules or backend configuration for Terraform,
rerun this command to reinitialize your working directory. If you forget, other
commands will detect it and remind you to do so if necessary.
PS D:\Blog\Terraform\Lab\lab04>
PS D:\Blog\Terraform\Lab\lab04>
PS D:\Blog\Terraform\Lab\lab04>
PS D:\Blog\Terraform\Lab\lab04> terraform plan

Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

  # aws_instance.EC2_Test1 will be created
  + resource "aws_instance" "EC2_Test1" {
      + ami                                  = "ami-0c802847a7dd848c0"
      + arn                                  = (known after apply)
      + associate_public_ip_address          = (known after apply)
      + availability_zone                    = (known after apply)
      + cpu_core_count                       = (known after apply)
      + cpu_threads_per_core                 = (known after apply)
      + disable_api_stop                     = (known after apply)
      + disable_api_termination              = (known after apply)
      + ebs_optimized                        = (known after apply)
      + get_password_data                    = false
      + host_id                              = (known after apply)
      + id                                   = (known after apply)
      + instance_initiated_shutdown_behavior = (known after apply)
      + instance_state                       = (known after apply)
      + instance_type                        = "t2.micro"
      + ipv6_address_count                   = (known after apply)
      + ipv6_addresses                       = (known after apply)
      + key_name                             = (known after apply)
      + monitoring                           = (known after apply)
      + outpost_arn                          = (known after apply)
      + password_data                        = (known after apply)
      + placement_group                      = (known after apply)
      + placement_partition_number           = (known after apply)
      + primary_network_interface_id         = (known after apply)
      + private_dns                          = (known after apply)
      + private_ip                           = (known after apply)
      + public_dns                           = (known after apply)
      + public_ip                            = (known after apply)
      + secondary_private_ips                = (known after apply)
      + security_groups                      = (known after apply)
      + source_dest_check                    = true
      + subnet_id                            = (known after apply)
      + tags                                 = {
          + "Name" = "HelloWorld"
        }
      + tags_all                             = {
          + "Name" = "HelloWorld"
        }
      + tenancy                              = (known after apply)
      + user_data                            = (known after apply)
      + user_data_base64                     = (known after apply)
      + user_data_replace_on_change          = false
      + vpc_security_group_ids               = (known after apply)

      + capacity_reservation_specification {
          + capacity_reservation_preference = (known after apply)

          + capacity_reservation_target {
              + capacity_reservation_id                 = (known after apply)
              + capacity_reservation_resource_group_arn = (known after apply)
            }
        }

      + ebs_block_device {
          + delete_on_termination = (known after apply)
          + device_name           = (known after apply)
          + encrypted             = (known after apply)
          + iops                  = (known after apply)
          + kms_key_id            = (known after apply)
          + snapshot_id           = (known after apply)
          + tags                  = (known after apply)
          + throughput            = (known after apply)
          + volume_id             = (known after apply)
          + volume_size           = (known after apply)
          + volume_type           = (known after apply)
        }

      + enclave_options {
          + enabled = (known after apply)
        }

      + ephemeral_block_device {
          + device_name  = (known after apply)
          + no_device    = (known after apply)
          + virtual_name = (known after apply)
        }

      + maintenance_options {
          + auto_recovery = (known after apply)
        }

      + metadata_options {
          + http_endpoint               = (known after apply)
          + http_put_response_hop_limit = (known after apply)
          + http_tokens                 = (known after apply)
          + instance_metadata_tags      = (known after apply)
        }

      + network_interface {
          + delete_on_termination = (known after apply)
          + device_index          = (known after apply)
          + network_card_index    = (known after apply)
          + network_interface_id  = (known after apply)
        }

      + private_dns_name_options {
          + enable_resource_name_dns_a_record    = (known after apply)
          + enable_resource_name_dns_aaaa_record = (known after apply)
          + hostname_type                        = (known after apply)
        }

      + root_block_device {
          + delete_on_termination = (known after apply)
          + device_name           = (known after apply)
          + encrypted             = (known after apply)
          + iops                  = (known after apply)
          + kms_key_id            = (known after apply)
          + tags                  = (known after apply)
          + throughput            = (known after apply)
          + volume_id             = (known after apply)
          + volume_size           = (known after apply)
          + volume_type           = (known after apply)
        }
    }

  # aws_instance.EC2_Test2 will be created
  + resource "aws_instance" "EC2_Test2" {
      + ami                                  = "ami-0c802847a7dd848c0"
      + arn                                  = (known after apply)
      + associate_public_ip_address          = (known after apply)
      + availability_zone                    = (known after apply)
      + cpu_core_count                       = (known after apply)
      + cpu_threads_per_core                 = (known after apply)
      + disable_api_stop                     = (known after apply)
      + disable_api_termination              = (known after apply)
      + ebs_optimized                        = (known after apply)
      + get_password_data                    = false
      + host_id                              = (known after apply)
      + id                                   = (known after apply)
      + instance_initiated_shutdown_behavior = (known after apply)
      + instance_state                       = (known after apply)
      + instance_type                        = "t2.micro"
      + ipv6_address_count                   = (known after apply)
      + ipv6_addresses                       = (known after apply)
      + key_name                             = (known after apply)
      + monitoring                           = (known after apply)
      + outpost_arn                          = (known after apply)
      + password_data                        = (known after apply)
      + placement_group                      = (known after apply)
      + placement_partition_number           = (known after apply)
      + primary_network_interface_id         = (known after apply)
      + private_dns                          = (known after apply)
      + private_ip                           = (known after apply)
      + public_dns                           = (known after apply)
      + public_ip                            = (known after apply)
      + secondary_private_ips                = (known after apply)
      + security_groups                      = (known after apply)
      + source_dest_check                    = true
      + subnet_id                            = (known after apply)
      + tags                                 = {
          + "Name" = "HelloWorld"
        }
      + tags_all                             = {
          + "Name" = "HelloWorld"
        }
      + tenancy                              = (known after apply)
      + user_data                            = (known after apply)
      + user_data_base64                     = (known after apply)
      + user_data_replace_on_change          = false
      + vpc_security_group_ids               = (known after apply)

      + capacity_reservation_specification {
          + capacity_reservation_preference = (known after apply)

          + capacity_reservation_target {
              + capacity_reservation_id                 = (known after apply)
              + capacity_reservation_resource_group_arn = (known after apply)
            }
        }

      + ebs_block_device {
          + delete_on_termination = (known after apply)
          + device_name           = (known after apply)
          + encrypted             = (known after apply)
          + iops                  = (known after apply)
          + kms_key_id            = (known after apply)
          + snapshot_id           = (known after apply)
          + tags                  = (known after apply)
          + throughput            = (known after apply)
          + volume_id             = (known after apply)
          + volume_size           = (known after apply)
          + volume_type           = (known after apply)
        }

      + enclave_options {
          + enabled = (known after apply)
        }

      + ephemeral_block_device {
          + device_name  = (known after apply)
          + no_device    = (known after apply)
          + virtual_name = (known after apply)
        }

      + maintenance_options {
          + auto_recovery = (known after apply)
        }

      + metadata_options {
          + http_endpoint               = (known after apply)
          + http_put_response_hop_limit = (known after apply)
          + http_tokens                 = (known after apply)
          + instance_metadata_tags      = (known after apply)
        }

      + network_interface {
          + delete_on_termination = (known after apply)
          + device_index          = (known after apply)
          + network_card_index    = (known after apply)
          + network_interface_id  = (known after apply)
        }

      + private_dns_name_options {
          + enable_resource_name_dns_a_record    = (known after apply)
          + enable_resource_name_dns_aaaa_record = (known after apply)
          + hostname_type                        = (known after apply)
        }

      + root_block_device {
          + delete_on_termination = (known after apply)
          + device_name           = (known after apply)
          + encrypted             = (known after apply)
          + iops                  = (known after apply)
          + kms_key_id            = (known after apply)
          + tags                  = (known after apply)
          + throughput            = (known after apply)
          + volume_id             = (known after apply)
          + volume_size           = (known after apply)
          + volume_type           = (known after apply)
        }
    }

Plan: 2 to add, 0 to change, 0 to destroy.
  + EC2_Test2_id  = (known after apply)

─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── 

Note: You didn't use the -out option to save this plan, so Terraform can't guarantee to take exactly these actions if you run "terraform apply" now.
PS D:\Blog\Terraform\Lab\lab04>
PS D:\Blog\Terraform\Lab\lab04>
PS D:\Blog\Terraform\Lab\lab04>
PS D:\Blog\Terraform\Lab\lab04>
PS D:\Blog\Terraform\Lab\lab04> terraform apply

Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
  + create

Terraform will perform the following actions:

  # aws_instance.EC2_Test1 will be created
  + resource "aws_instance" "EC2_Test1" {
      + ami                                  = "ami-0c802847a7dd848c0"
      + arn                                  = (known after apply)
      + associate_public_ip_address          = (known after apply)
      + availability_zone                    = (known after apply)
      + cpu_core_count                       = (known after apply)
      + cpu_threads_per_core                 = (known after apply)
      + disable_api_stop                     = (known after apply)
      + disable_api_termination              = (known after apply)
      + ebs_optimized                        = (known after apply)
      + get_password_data                    = false
      + host_id                              = (known after apply)
      + id                                   = (known after apply)
      + instance_initiated_shutdown_behavior = (known after apply)
      + instance_state                       = (known after apply)
      + instance_type                        = "t2.micro"
      + ipv6_address_count                   = (known after apply)
      + ipv6_addresses                       = (known after apply)
      + key_name                             = (known after apply)
      + monitoring                           = (known after apply)
      + outpost_arn                          = (known after apply)
      + password_data                        = (known after apply)
      + placement_group                      = (known after apply)
      + placement_partition_number           = (known after apply)
      + primary_network_interface_id         = (known after apply)
      + private_dns                          = (known after apply)
      + private_ip                           = (known after apply)
      + public_dns                           = (known after apply)
      + public_ip                            = (known after apply)
      + secondary_private_ips                = (known after apply)
      + security_groups                      = (known after apply)
      + source_dest_check                    = true
      + subnet_id                            = (known after apply)
      + tags                                 = {
          + "Name" = "HelloWorld"
        }
      + tags_all                             = {
          + "Name" = "HelloWorld"
        }
      + tenancy                              = (known after apply)
      + user_data                            = (known after apply)
      + user_data_base64                     = (known after apply)
      + user_data_replace_on_change          = false
      + vpc_security_group_ids               = (known after apply)

      + capacity_reservation_specification {
          + capacity_reservation_preference = (known after apply)

          + capacity_reservation_target {
              + capacity_reservation_id                 = (known after apply)
              + capacity_reservation_resource_group_arn = (known after apply)
            }
        }

      + ebs_block_device {
          + delete_on_termination = (known after apply)
          + device_name           = (known after apply)
          + encrypted             = (known after apply)
          + iops                  = (known after apply)
          + kms_key_id            = (known after apply)
          + snapshot_id           = (known after apply)
          + tags                  = (known after apply)
          + throughput            = (known after apply)
          + volume_id             = (known after apply)
          + volume_size           = (known after apply)
          + volume_type           = (known after apply)
        }

      + enclave_options {
          + enabled = (known after apply)
        }

      + ephemeral_block_device {
          + device_name  = (known after apply)
          + no_device    = (known after apply)
          + virtual_name = (known after apply)
        }

      + maintenance_options {
          + auto_recovery = (known after apply)
        }

      + metadata_options {
          + http_endpoint               = (known after apply)
          + http_put_response_hop_limit = (known after apply)
          + http_tokens                 = (known after apply)
          + instance_metadata_tags      = (known after apply)
        }

      + network_interface {
          + delete_on_termination = (known after apply)
          + device_index          = (known after apply)
          + network_card_index    = (known after apply)
          + network_interface_id  = (known after apply)
        }

      + private_dns_name_options {
          + enable_resource_name_dns_a_record    = (known after apply)
          + enable_resource_name_dns_aaaa_record = (known after apply)
          + hostname_type                        = (known after apply)
        }

      + root_block_device {
          + delete_on_termination = (known after apply)
          + device_name           = (known after apply)
          + encrypted             = (known after apply)
          + iops                  = (known after apply)
          + kms_key_id            = (known after apply)
          + tags                  = (known after apply)
          + throughput            = (known after apply)
          + volume_id             = (known after apply)
          + volume_size           = (known after apply)
          + volume_type           = (known after apply)
        }
    }

  # aws_instance.EC2_Test2 will be created
  + resource "aws_instance" "EC2_Test2" {
      + ami                                  = "ami-0c802847a7dd848c0"
      + arn                                  = (known after apply)
      + associate_public_ip_address          = (known after apply)
      + availability_zone                    = (known after apply)
      + cpu_core_count                       = (known after apply)
      + cpu_threads_per_core                 = (known after apply)
      + disable_api_stop                     = (known after apply)
      + disable_api_termination              = (known after apply)
      + ebs_optimized                        = (known after apply)
      + get_password_data                    = false
      + host_id                              = (known after apply)
      + id                                   = (known after apply)
      + instance_initiated_shutdown_behavior = (known after apply)
      + instance_state                       = (known after apply)
      + instance_type                        = "t2.micro"
      + ipv6_address_count                   = (known after apply)
      + ipv6_addresses                       = (known after apply)
      + key_name                             = (known after apply)
      + monitoring                           = (known after apply)
      + outpost_arn                          = (known after apply)
      + password_data                        = (known after apply)
      + placement_group                      = (known after apply)
      + placement_partition_number           = (known after apply)
      + primary_network_interface_id         = (known after apply)
      + private_dns                          = (known after apply)
      + private_ip                           = (known after apply)
      + public_dns                           = (known after apply)
      + public_ip                            = (known after apply)
      + secondary_private_ips                = (known after apply)
      + security_groups                      = (known after apply)
      + source_dest_check                    = true
      + subnet_id                            = (known after apply)
      + tags                                 = {
          + "Name" = "HelloWorld"
        }
      + tags_all                             = {
          + "Name" = "HelloWorld"
        }
      + tenancy                              = (known after apply)
      + user_data                            = (known after apply)
      + user_data_base64                     = (known after apply)
      + user_data_replace_on_change          = false
      + vpc_security_group_ids               = (known after apply)

      + capacity_reservation_specification {
          + capacity_reservation_preference = (known after apply)

          + capacity_reservation_target {
              + capacity_reservation_id                 = (known after apply)
              + capacity_reservation_resource_group_arn = (known after apply)
            }
        }

      + ebs_block_device {
          + delete_on_termination = (known after apply)
          + device_name           = (known after apply)
          + encrypted             = (known after apply)
          + iops                  = (known after apply)
          + kms_key_id            = (known after apply)
          + snapshot_id           = (known after apply)
          + tags                  = (known after apply)
          + throughput            = (known after apply)
          + volume_id             = (known after apply)
          + volume_size           = (known after apply)
          + volume_type           = (known after apply)
        }

      + enclave_options {
          + enabled = (known after apply)
        }

      + ephemeral_block_device {
          + device_name  = (known after apply)
          + no_device    = (known after apply)
          + virtual_name = (known after apply)
        }

      + maintenance_options {
          + auto_recovery = (known after apply)
        }

      + metadata_options {
          + http_endpoint               = (known after apply)
          + http_put_response_hop_limit = (known after apply)
          + http_tokens                 = (known after apply)
          + instance_metadata_tags      = (known after apply)
        }

      + network_interface {
          + delete_on_termination = (known after apply)
          + device_index          = (known after apply)
          + network_card_index    = (known after apply)
          + network_interface_id  = (known after apply)
        }

      + private_dns_name_options {
          + enable_resource_name_dns_a_record    = (known after apply)
          + enable_resource_name_dns_aaaa_record = (known after apply)
          + hostname_type                        = (known after apply)
        }

      + root_block_device {
          + delete_on_termination = (known after apply)
          + device_name           = (known after apply)
          + encrypted             = (known after apply)
          + iops                  = (known after apply)
          + kms_key_id            = (known after apply)
          + tags                  = (known after apply)
          + throughput            = (known after apply)
          + volume_id             = (known after apply)
          + volume_size           = (known after apply)
          + volume_type           = (known after apply)
        }
    }

Plan: 2 to add, 0 to change, 0 to destroy.

Changes to Outputs:
  + EC2_Test1_arn = (known after apply)
  + EC2_Test1_id  = (known after apply)
  + EC2_Test2_arn = (known after apply)
  + EC2_Test2_id  = (known after apply)

Do you want to perform these actions?
  Terraform will perform the actions described above.
  Only 'yes' will be accepted to approve.

  Enter a value: yes

aws_instance.EC2_Test2: Creating...
aws_instance.EC2_Test1: Creating...
aws_instance.EC2_Test1: Still creating... [10s elapsed]
aws_instance.EC2_Test2: Still creating... [10s elapsed]
aws_instance.EC2_Test2: Still creating... [20s elapsed]
aws_instance.EC2_Test1: Still creating... [20s elapsed]
aws_instance.EC2_Test2: Still creating... [30s elapsed]
aws_instance.EC2_Test1: Still creating... [30s elapsed]
aws_instance.EC2_Test1: Creation complete after 32s [id=i-0be2ad4069fcf70ac]
aws_instance.EC2_Test2: Still creating... [40s elapsed]
aws_instance.EC2_Test2: Creation complete after 42s [id=i-01eea0f6e5d823614]

Apply complete! Resources: 2 added, 0 changed, 0 destroyed.

Outputs:

EC2_Test1_arn = "arn:aws:ec2:ap-southeast-1:998644643692:instance/i-0be2ad4069fcf70ac"
EC2_Test1_id = "i-0be2ad4069fcf70ac"
EC2_Test2_arn = "arn:aws:ec2:ap-southeast-1:998644643692:instance/i-01eea0f6e5d823614"
EC2_Test2_id = "i-01eea0f6e5d823614"
PS D:\Blog\Terraform\Lab\lab04>
PS D:\Blog\Terraform\Lab\lab04>
PS D:\Blog\Terraform\Lab\lab04>
PS D:\Blog\Terraform\Lab\lab04> terraform destroy
aws_instance.EC2_Test1: Refreshing state... [id=i-0be2ad4069fcf70ac]
aws_instance.EC2_Test2: Refreshing state... [id=i-01eea0f6e5d823614]

Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
  - destroy

Terraform will perform the following actions:

  # aws_instance.EC2_Test1 will be destroyed
  - resource "aws_instance" "EC2_Test1" {
      - ami                                  = "ami-0c802847a7dd848c0" -> null
      - arn                                  = "arn:aws:ec2:ap-southeast-1:998644643692:instance/i-0be2ad4069fcf70ac" -> null
      - associate_public_ip_address          = true -> null
      - availability_zone                    = "ap-southeast-1a" -> null
      - cpu_core_count                       = 1 -> null
      - cpu_threads_per_core                 = 1 -> null
      - disable_api_stop                     = false -> null
      - disable_api_termination              = false -> null
      - ebs_optimized                        = false -> null
      - get_password_data                    = false -> null
      - hibernation                          = false -> null
      - id                                   = "i-0be2ad4069fcf70ac" -> null
      - instance_initiated_shutdown_behavior = "stop" -> null
      - instance_state                       = "running" -> null
      - instance_type                        = "t2.micro" -> null
      - ipv6_address_count                   = 0 -> null
      - ipv6_addresses                       = [] -> null
      - monitoring                           = false -> null
      - primary_network_interface_id         = "eni-031d1a054db7647f4" -> null
      - private_dns                          = "ip-172-31-24-74.ap-southeast-1.compute.internal" -> null
      - private_ip                           = "172.31.24.74" -> null
      - public_dns                           = "ec2-54-169-146-229.ap-southeast-1.compute.amazonaws.com" -> null
      - public_ip                            = "54.169.146.229" -> null
      - secondary_private_ips                = [] -> null
      - security_groups                      = [
          - "default",
        ] -> null
      - source_dest_check                    = true -> null
      - subnet_id                            = "subnet-0ecb7ab115595e77b" -> null
      - tags                                 = {
          - "Name" = "HelloWorld"
        } -> null
      - tags_all                             = {
          - "Name" = "HelloWorld"
        } -> null
      - tenancy                              = "default" -> null
      - user_data_replace_on_change          = false -> null
      - vpc_security_group_ids               = [
          - "sg-0fb90cd269c2f142d",
        ] -> null

      - capacity_reservation_specification {
          - capacity_reservation_preference = "open" -> null
        }

      - credit_specification {
          - cpu_credits = "standard" -> null
        }

      - enclave_options {
          - enabled = false -> null
        }

      - maintenance_options {
          - auto_recovery = "default" -> null
        }

      - metadata_options {
          - http_endpoint               = "enabled" -> null
          - http_put_response_hop_limit = 1 -> null
          - http_tokens                 = "optional" -> null
          - instance_metadata_tags      = "disabled" -> null
        }

      - private_dns_name_options {
          - enable_resource_name_dns_a_record    = false -> null
          - enable_resource_name_dns_aaaa_record = false -> null
          - hostname_type                        = "ip-name" -> null
        }

      - root_block_device {
          - delete_on_termination = true -> null
          - device_name           = "/dev/xvda" -> null
          - encrypted             = false -> null
          - iops                  = 100 -> null
          - tags                  = {} -> null
          - throughput            = 0 -> null
          - volume_id             = "vol-01120a4bbf8db4796" -> null
          - volume_size           = 8 -> null
          - volume_type           = "gp2" -> null
        }
    }

  # aws_instance.EC2_Test2 will be destroyed
  - resource "aws_instance" "EC2_Test2" {
      - ami                                  = "ami-0c802847a7dd848c0" -> null
      - arn                                  = "arn:aws:ec2:ap-southeast-1:998644643692:instance/i-01eea0f6e5d823614" -> null
      - associate_public_ip_address          = true -> null
      - availability_zone                    = "ap-southeast-1a" -> null
      - cpu_core_count                       = 1 -> null
      - cpu_threads_per_core                 = 1 -> null
      - disable_api_stop                     = false -> null
      - disable_api_termination              = false -> null
      - ebs_optimized                        = false -> null
      - get_password_data                    = false -> null
      - hibernation                          = false -> null
      - id                                   = "i-01eea0f6e5d823614" -> null
      - instance_initiated_shutdown_behavior = "stop" -> null
      - instance_state                       = "running" -> null
      - instance_type                        = "t2.micro" -> null
      - ipv6_address_count                   = 0 -> null
      - ipv6_addresses                       = [] -> null
      - monitoring                           = false -> null
      - primary_network_interface_id         = "eni-0e98766741b447d45" -> null
      - private_dns                          = "ip-172-31-16-214.ap-southeast-1.compute.internal" -> null
      - private_ip                           = "172.31.16.214" -> null
      - public_dns                           = "ec2-54-179-35-85.ap-southeast-1.compute.amazonaws.com" -> null
      - public_ip                            = "54.179.35.85" -> null
      - secondary_private_ips                = [] -> null
      - security_groups                      = [
          - "default",
        ] -> null
      - source_dest_check                    = true -> null
      - subnet_id                            = "subnet-0ecb7ab115595e77b" -> null
      - tags                                 = {
          - "Name" = "HelloWorld"
        } -> null
      - tags_all                             = {
          - "Name" = "HelloWorld"
        } -> null
      - tenancy                              = "default" -> null
      - user_data_replace_on_change          = false -> null
      - vpc_security_group_ids               = [
          - "sg-0fb90cd269c2f142d",
        ] -> null

      - capacity_reservation_specification {
          - capacity_reservation_preference = "open" -> null
        }

      - credit_specification {
          - cpu_credits = "standard" -> null
        }

      - enclave_options {
          - enabled = false -> null
        }

      - maintenance_options {
          - auto_recovery = "default" -> null
        }

      - metadata_options {
          - http_endpoint               = "enabled" -> null
          - http_put_response_hop_limit = 1 -> null
          - http_tokens                 = "optional" -> null
          - instance_metadata_tags      = "disabled" -> null
        }

      - private_dns_name_options {
          - enable_resource_name_dns_a_record    = false -> null
          - enable_resource_name_dns_aaaa_record = false -> null
          - hostname_type                        = "ip-name" -> null
        }

      - root_block_device {
          - delete_on_termination = true -> null
          - device_name           = "/dev/xvda" -> null
          - encrypted             = false -> null
          - iops                  = 100 -> null
          - tags                  = {} -> null
          - throughput            = 0 -> null
          - volume_id             = "vol-0875c56cb3df1a9bd" -> null
          - volume_size           = 8 -> null
          - volume_type           = "gp2" -> null
        }
    }

Plan: 0 to add, 0 to change, 2 to destroy.

Changes to Outputs:
  - EC2_Test1_arn = "arn:aws:ec2:ap-southeast-1:998644643692:instance/i-0be2ad4069fcf70ac" -> null
  - EC2_Test1_id  = "i-0be2ad4069fcf70ac" -> null
  - EC2_Test2_arn = "arn:aws:ec2:ap-southeast-1:998644643692:instance/i-01eea0f6e5d823614" -> null
  - EC2_Test2_id  = "i-01eea0f6e5d823614" -> null

Do you really want to destroy all resources?
  Terraform will destroy all your managed infrastructure, as shown above.
  There is no undo. Only 'yes' will be accepted to confirm.

  Enter a value: yes

aws_instance.EC2_Test1: Destroying... [id=i-0be2ad4069fcf70ac]
aws_instance.EC2_Test2: Destroying... [id=i-01eea0f6e5d823614]
aws_instance.EC2_Test1: Still destroying... [id=i-0be2ad4069fcf70ac, 10s elapsed]
aws_instance.EC2_Test2: Still destroying... [id=i-01eea0f6e5d823614, 10s elapsed]
aws_instance.EC2_Test2: Still destroying... [id=i-01eea0f6e5d823614, 20s elapsed]
aws_instance.EC2_Test1: Still destroying... [id=i-0be2ad4069fcf70ac, 20s elapsed]
aws_instance.EC2_Test1: Destruction complete after 30s
aws_instance.EC2_Test2: Destruction complete after 30s

Destroy complete! Resources: 2 destroyed.
PS D:\Blog\Terraform\Lab\lab04>

Reference:

1. Terraform Language: Output Values

https://www.terraform.io/language/values/outputs

2. Terraform Provider / AWS / Resource: aws_instance

https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/instance

3. Udemy: Hashicorp Certified: Terraform Associate 2021

https://www.udemy.com/course/hashicorp-certified-terraform-associate/

最初發表 / 最後更新: 2022.07.19 / 2022.07.19

快快樂樂的Peter (Happy Peter)

Happy Peter

Terraform Lab 04 - Output Values

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