Lab Activity 1
Lab Activity 1:
Installing AWS CLI:
For the latest version of the AWS CLI, use the following command block:
$ curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
unzip awscliv2.zip
sudo ./aws/install
mohan:~$ /usr/local/bin/aws --version
aws-cli/2.2.44 Python/3.8.8 Linux/4.18.0-305.17.1.el8_4.x86_64 exe/x86_64.rhel.8 prompt/off
Configure the AWS CLI:
mohan:~$ aws configure
AWS Access Key ID [None]: Supply Access Key ID
AWS Secret Access Key [None]: Supply your Secret Access Key
Default region name [None]:
Default output format [None]:
mohan:~$ ls -al ~/.aws/credentials
-rw-------. 1 mohan mohan 116 Oct 8 20:52 /home/mohan/.aws/credentials
Build Infrastructure:
mohan:~$ mkdir learn-terraform-aws-instance
mohan:~$ cd learn-terraform-aws-instance/
mohan:learn-terraform-aws-instance$ touch main.tf
mohan:learn-terraform-aws-instance$ vi main.tf
terraform {
required_providers {
aws = {
source = "hashicorp/aws"
version = "~> 3.27"
}
}
required_version = ">= 0.14.9"
}
provider "aws" {
profile = "default"
region = "us-west-2"
}
resource "aws_instance" "app_server" {
ami = "ami-830c94e3"
instance_type = "t2.micro"
tags = {
Name = "ExampleAppServerInstance"
}
}
mohan:learn-terraform-aws-instance$ terraform init
Initializing the backend...
Initializing provider plugins...
- Finding hashicorp/aws versions matching "~> 3.27"...
- Installing hashicorp/aws v3.62.0...
- Installed hashicorp/aws v3.62.0 (signed by HashiCorp)
Terraform has created a lock file .terraform.lock.hcl to record the provider
selections it made above. Include this file in your version control repository
so that Terraform can guarantee to make the same selections by default when
you run "terraform init" in the future.
Terraform has been successfully initialized!
You may now begin working with Terraform. Try running "terraform plan" to see
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.
Format and validate the configuration::
mohan:learn-terraform-aws-instance$ terraform fmt
mohan:learn-terraform-aws-instance$ ls -al
total 20
drwxrwxr-x. 3 mohan mohan 4096 Oct 8 20:55 .
drwx------. 52 mohan mohan 4096 Oct 8 20:55 ..
-rw-rw-r--. 1 mohan mohan 376 Oct 8 20:55 main.tf
drwxr-xr-x. 3 mohan mohan 4096 Oct 8 20:55 .terraform
-rw-r--r--. 1 mohan mohan 1107 Oct 8 20:55 .terraform.lock.hcl
mohan:learn-terraform-aws-instance$ terraform validate
Success! The configuration is valid.
mohan:learn-terraform-aws-instance$ 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.app_server will be created
+ resource "aws_instance" "app_server" {
+ ami = "ami-830c94e3"
+ 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_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)
+ 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" = "ExampleAppServerInstance"
}
+ tags_all = {
+ "Name" = "ExampleAppServerInstance"
}
+ tenancy = (known after apply)
+ user_data = (known after apply)
+ user_data_base64 = (known after apply)
+ 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)
}
}
+ 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)
}
+ metadata_options {
+ http_endpoint = (known after apply)
+ http_put_response_hop_limit = (known after apply)
+ http_tokens = (known after apply)
}
+ network_interface {
+ delete_on_termination = (known after apply)
+ device_index = (known after apply)
+ network_interface_id = (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: 1 to add, 0 to change, 0 to destroy.
──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
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.
Create infrastructure:
mohan:learn-terraform-aws-instance$ 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.app_server will be created
+ resource "aws_instance" "app_server" {
+ ami = "ami-830c94e3"
+ 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_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)
+ 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" = "ExampleAppServerInstance"
}
+ tags_all = {
+ "Name" = "ExampleAppServerInstance"
}
+ tenancy = (known after apply)
+ user_data = (known after apply)
+ user_data_base64 = (known after apply)
+ 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)
}
}
+ 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)
}
+ metadata_options {
+ http_endpoint = (known after apply)
+ http_put_response_hop_limit = (known after apply)
+ http_tokens = (known after apply)
}
+ network_interface {
+ delete_on_termination = (known after apply)
+ device_index = (known after apply)
+ network_interface_id = (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: 1 to add, 0 to change, 0 to destroy.
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.app_server: Creating...
aws_instance.app_server: Still creating... [10s elapsed]
aws_instance.app_server: Still creating... [20s elapsed]
aws_instance.app_server: Still creating... [30s elapsed]
aws_instance.app_server: Still creating... [40s elapsed]
aws_instance.app_server: Creation complete after 47s [id=i-0e02921b39173658e]
Apply complete! Resources: 1 added, 0 changed, 0 destroyed.
mohan:learn-terraform-aws-instance$ terraform show
# aws_instance.app_server:
resource "aws_instance" "app_server" {
ami = "ami-830c94e3"
arn = "arn:aws:ec2:us-west-2:336296443354:instance/i-0e02921b39173658e"
associate_public_ip_address = true
availability_zone = "us-west-2a"
cpu_core_count = 1
cpu_threads_per_core = 1
disable_api_termination = false
ebs_optimized = false
get_password_data = false
hibernation = false
id = "i-0e02921b39173658e"
instance_initiated_shutdown_behavior = "stop"
instance_state = "running"
instance_type = "t2.micro"
ipv6_address_count = 0
ipv6_addresses = []
monitoring = false
primary_network_interface_id = "eni-005bbe0c39c4f5255"
private_dns = "ip-172-31-26-66.us-west-2.compute.internal"
private_ip = "172.31.26.66"
public_dns = "ec2-34-219-9-130.us-west-2.compute.amazonaws.com"
public_ip = "34.219.9.130"
secondary_private_ips = []
security_groups = [
"default",
]
source_dest_check = true
subnet_id = "subnet-b88413c0"
tags = {
"Name" = "ExampleAppServerInstance"
}
tags_all = {
"Name" = "ExampleAppServerInstance"
}
tenancy = "default"
vpc_security_group_ids = [
"sg-bb8ccf8c",
]
capacity_reservation_specification {
capacity_reservation_preference = "open"
}
credit_specification {
cpu_credits = "standard"
}
enclave_options {
enabled = false
}
metadata_options {
http_endpoint = "enabled"
http_put_response_hop_limit = 1
http_tokens = "optional"
}
root_block_device {
delete_on_termination = true
device_name = "/dev/sda1"
encrypted = false
iops = 0
tags = {}
throughput = 0
volume_id = "vol-0cfc53132413bf87f"
volume_size = 8
volume_type = "standard"
}
}
mohan:learn-terraform-aws-instance$
mohan:learn-terraform-aws-instance$ terraform state list
aws_instance.app_server
Change Infrastructure:
Just change the AMI value in main.tf from ami-830c94e3 to ami-08d70e59c07c61a3a
resource "aws_instance" "app_server" {
ami = "ami-08d70e59c07c61a3a"
instance_type = "t2.micro"
}
mohan:learn-terraform-aws-instance$ terraform plan
aws_instance.app_server: Refreshing state... [id=i-0e02921b39173658e]
Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
-/+ destroy and then create replacement
Terraform will perform the following actions:
# aws_instance.app_server must be replaced
-/+ resource "aws_instance" "app_server" {
~ ami = "ami-830c94e3" -> "ami-08d70e59c07c61a3a" # forces replacement
~ arn = "arn:aws:ec2:us-west-2:336296443354:instance/i-0e02921b39173658e" -> (known after apply)
~ associate_public_ip_address = true -> (known after apply)
~ availability_zone = "us-west-2a" -> (known after apply)
~ cpu_core_count = 1 -> (known after apply)
~ cpu_threads_per_core = 1 -> (known after apply)
~ disable_api_termination = false -> (known after apply)
~ ebs_optimized = false -> (known after apply)
- hibernation = false -> null
+ host_id = (known after apply)
~ id = "i-0e02921b39173658e" -> (known after apply)
~ instance_initiated_shutdown_behavior = "stop" -> (known after apply)
~ instance_state = "running" -> (known after apply)
~ ipv6_address_count = 0 -> (known after apply)
~ ipv6_addresses = [] -> (known after apply)
+ key_name = (known after apply)
~ monitoring = false -> (known after apply)
+ outpost_arn = (known after apply)
+ password_data = (known after apply)
+ placement_group = (known after apply)
~ primary_network_interface_id = "eni-005bbe0c39c4f5255" -> (known after apply)
~ private_dns = "ip-172-31-26-66.us-west-2.compute.internal" -> (known after apply)
~ private_ip = "172.31.26.66" -> (known after apply)
~ public_dns = "ec2-34-219-9-130.us-west-2.compute.amazonaws.com" -> (known after apply)
~ public_ip = "34.219.9.130" -> (known after apply)
~ secondary_private_ips = [] -> (known after apply)
~ security_groups = [
- "default",
] -> (known after apply)
~ subnet_id = "subnet-b88413c0" -> (known after apply)
tags = {
"Name" = "ExampleAppServerInstance"
}
~ tenancy = "default" -> (known after apply)
+ user_data = (known after apply)
+ user_data_base64 = (known after apply)
~ vpc_security_group_ids = [
- "sg-bb8ccf8c",
] -> (known after apply)
# (4 unchanged attributes hidden)
~ capacity_reservation_specification {
~ capacity_reservation_preference = "open" -> (known after apply)
+ capacity_reservation_target {
+ capacity_reservation_id = (known after apply)
}
}
- credit_specification {
- cpu_credits = "standard" -> null
}
+ 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 = false -> (known after apply)
}
+ ephemeral_block_device {
+ device_name = (known after apply)
+ no_device = (known after apply)
+ virtual_name = (known after apply)
}
~ metadata_options {
~ http_endpoint = "enabled" -> (known after apply)
~ http_put_response_hop_limit = 1 -> (known after apply)
~ http_tokens = "optional" -> (known after apply)
}
+ network_interface {
+ delete_on_termination = (known after apply)
+ device_index = (known after apply)
+ network_interface_id = (known after apply)
}
~ root_block_device {
~ delete_on_termination = true -> (known after apply)
~ device_name = "/dev/sda1" -> (known after apply)
~ encrypted = false -> (known after apply)
~ iops = 0 -> (known after apply)
+ kms_key_id = (known after apply)
~ tags = {} -> (known after apply)
~ throughput = 0 -> (known after apply)
~ volume_id = "vol-0cfc53132413bf87f" -> (known after apply)
~ volume_size = 8 -> (known after apply)
~ volume_type = "standard" -> (known after apply)
}
}
Plan: 1 to add, 0 to change, 1 to destroy.
───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
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.
mohan:learn-terraform-aws-instance$ terraform apply
aws_instance.app_server: Refreshing state... [id=i-0e02921b39173658e]
Terraform used the selected providers to generate the following execution plan. Resource actions are indicated with the following symbols:
-/+ destroy and then create replacement
Terraform will perform the following actions:
# aws_instance.app_server must be replaced
-/+ resource "aws_instance" "app_server" {
~ ami = "ami-830c94e3" -> "ami-08d70e59c07c61a3a" # forces replacement
~ arn = "arn:aws:ec2:us-west-2:336296443354:instance/i-0e02921b39173658e" -> (known after apply)
~ associate_public_ip_address = true -> (known after apply)
~ availability_zone = "us-west-2a" -> (known after apply)
~ cpu_core_count = 1 -> (known after apply)
~ cpu_threads_per_core = 1 -> (known after apply)
~ disable_api_termination = false -> (known after apply)
~ ebs_optimized = false -> (known after apply)
- hibernation = false -> null
+ host_id = (known after apply)
~ id = "i-0e02921b39173658e" -> (known after apply)
~ instance_initiated_shutdown_behavior = "stop" -> (known after apply)
~ instance_state = "running" -> (known after apply)
~ ipv6_address_count = 0 -> (known after apply)
~ ipv6_addresses = [] -> (known after apply)
+ key_name = (known after apply)
~ monitoring = false -> (known after apply)
+ outpost_arn = (known after apply)
+ password_data = (known after apply)
+ placement_group = (known after apply)
~ primary_network_interface_id = "eni-005bbe0c39c4f5255" -> (known after apply)
~ private_dns = "ip-172-31-26-66.us-west-2.compute.internal" -> (known after apply)
~ private_ip = "172.31.26.66" -> (known after apply)
~ public_dns = "ec2-34-219-9-130.us-west-2.compute.amazonaws.com" -> (known after apply)
~ public_ip = "34.219.9.130" -> (known after apply)
~ secondary_private_ips = [] -> (known after apply)
~ security_groups = [
- "default",
] -> (known after apply)
~ subnet_id = "subnet-b88413c0" -> (known after apply)
tags = {
"Name" = "ExampleAppServerInstance"
}
~ tenancy = "default" -> (known after apply)
+ user_data = (known after apply)
+ user_data_base64 = (known after apply)
~ vpc_security_group_ids = [
- "sg-bb8ccf8c",
] -> (known after apply)
# (4 unchanged attributes hidden)
~ capacity_reservation_specification {
~ capacity_reservation_preference = "open" -> (known after apply)
+ capacity_reservation_target {
+ capacity_reservation_id = (known after apply)
}
}
- credit_specification {
- cpu_credits = "standard" -> null
}
+ 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 = false -> (known after apply)
}
+ ephemeral_block_device {
+ device_name = (known after apply)
+ no_device = (known after apply)
+ virtual_name = (known after apply)
}
~ metadata_options {
~ http_endpoint = "enabled" -> (known after apply)
~ http_put_response_hop_limit = 1 -> (known after apply)
~ http_tokens = "optional" -> (known after apply)
}
+ network_interface {
+ delete_on_termination = (known after apply)
+ device_index = (known after apply)
+ network_interface_id = (known after apply)
}
~ root_block_device {
~ delete_on_termination = true -> (known after apply)
~ device_name = "/dev/sda1" -> (known after apply)
~ encrypted = false -> (known after apply)
~ iops = 0 -> (known after apply)
+ kms_key_id = (known after apply)
~ tags = {} -> (known after apply)
~ throughput = 0 -> (known after apply)
~ volume_id = "vol-0cfc53132413bf87f" -> (known after apply)
~ volume_size = 8 -> (known after apply)
~ volume_type = "standard" -> (known after apply)
}
}
Plan: 1 to add, 0 to change, 1 to destroy.
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.app_server: Destroying... [id=i-0e02921b39173658e]
aws_instance.app_server: Still destroying... [id=i-0e02921b39173658e, 10s elapsed]
aws_instance.app_server: Still destroying... [id=i-0e02921b39173658e, 20s elapsed]
aws_instance.app_server: Destruction complete after 27s
aws_instance.app_server: Creating...
aws_instance.app_server: Still creating... [10s elapsed]
aws_instance.app_server: Still creating... [20s elapsed]
aws_instance.app_server: Still creating... [30s elapsed]
aws_instance.app_server: Still creating... [40s elapsed]
aws_instance.app_server: Still creating... [50s elapsed]
aws_instance.app_server: Creation complete after 51s [id=i-0d172e710677fc978]
Apply complete! Resources: 1 added, 0 changed, 1 destroyed.
mohan:learn-terraform-aws-instance$ terraform show
# aws_instance.app_server:
resource "aws_instance" "app_server" {
ami = "ami-08d70e59c07c61a3a"
arn = "arn:aws:ec2:us-west-2:336296443354:instance/i-0d172e710677fc978"
associate_public_ip_address = true
availability_zone = "us-west-2a"
cpu_core_count = 1
cpu_threads_per_core = 1
disable_api_termination = false
ebs_optimized = false
get_password_data = false
hibernation = false
id = "i-0d172e710677fc978"
instance_initiated_shutdown_behavior = "stop"
instance_state = "running"
instance_type = "t2.micro"
ipv6_address_count = 0
ipv6_addresses = []
monitoring = false
primary_network_interface_id = "eni-0c1174dd2ee6112e4"
private_dns = "ip-172-31-16-31.us-west-2.compute.internal"
private_ip = "172.31.16.31"
public_dns = "ec2-35-86-76-14.us-west-2.compute.amazonaws.com"
public_ip = "35.86.76.14"
secondary_private_ips = []
security_groups = [
"default",
]
source_dest_check = true
subnet_id = "subnet-b88413c0"
tags = {
"Name" = "ExampleAppServerInstance"
}
tags_all = {
"Name" = "ExampleAppServerInstance"
}
tenancy = "default"
vpc_security_group_ids = [
"sg-bb8ccf8c",
]
capacity_reservation_specification {
capacity_reservation_preference = "open"
}
credit_specification {
cpu_credits = "standard"
}
enclave_options {
enabled = false
}
metadata_options {
http_endpoint = "enabled"
http_put_response_hop_limit = 1
http_tokens = "optional"
}
root_block_device {
delete_on_termination = true
device_name = "/dev/sda1"
encrypted = false
iops = 100
tags = {}
throughput = 0
volume_id = "vol-04b66715193169bf7"
volume_size = 8
volume_type = "gp2"
}
}
Destroy Infrastructure:
mohan:learn-terraform-aws-instance$ terraform destroy
aws_instance.app_server: Refreshing state... [id=i-0d172e710677fc978]
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.app_server will be destroyed
- resource "aws_instance" "app_server" {
- ami = "ami-08d70e59c07c61a3a" -> null
- arn = "arn:aws:ec2:us-west-2:336296443354:instance/i-0d172e710677fc978" -> null
- associate_public_ip_address = true -> null
- availability_zone = "us-west-2a" -> null
- cpu_core_count = 1 -> null
- cpu_threads_per_core = 1 -> null
- disable_api_termination = false -> null
- ebs_optimized = false -> null
- get_password_data = false -> null
- hibernation = false -> null
- id = "i-0d172e710677fc978" -> 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-0c1174dd2ee6112e4" -> null
- private_dns = "ip-172-31-16-31.us-west-2.compute.internal" -> null
- private_ip = "172.31.16.31" -> null
- public_dns = "ec2-35-86-76-14.us-west-2.compute.amazonaws.com" -> null
- public_ip = "35.86.76.14" -> null
- secondary_private_ips = [] -> null
- security_groups = [
- "default",
] -> null
- source_dest_check = true -> null
- subnet_id = "subnet-b88413c0" -> null
- tags = {
- "Name" = "ExampleAppServerInstance"
} -> null
- tags_all = {
- "Name" = "ExampleAppServerInstance"
} -> null
- tenancy = "default" -> null
- vpc_security_group_ids = [
- "sg-bb8ccf8c",
] -> null
- capacity_reservation_specification {
- capacity_reservation_preference = "open" -> null
}
- credit_specification {
- cpu_credits = "standard" -> null
}
- enclave_options {
- enabled = false -> null
}
- metadata_options {
- http_endpoint = "enabled" -> null
- http_put_response_hop_limit = 1 -> null
- http_tokens = "optional" -> null
}
- root_block_device {
- delete_on_termination = true -> null
- device_name = "/dev/sda1" -> null
- encrypted = false -> null
- iops = 100 -> null
- tags = {} -> null
- throughput = 0 -> null
- volume_id = "vol-04b66715193169bf7" -> null
- volume_size = 8 -> null
- volume_type = "gp2" -> null
}
}
Plan: 0 to add, 0 to change, 1 to destroy.
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.app_server: Destroying... [id=i-0d172e710677fc978]
aws_instance.app_server: Still destroying... [id=i-0d172e710677fc978, 10s elapsed]
aws_instance.app_server: Still destroying... [id=i-0d172e710677fc978, 20s elapsed]
aws_instance.app_server: Still destroying... [id=i-0d172e710677fc978, 30s elapsed]
aws_instance.app_server: Still destroying... [id=i-0d172e710677fc978, 40s elapsed]
aws_instance.app_server: Destruction complete after 48s
Destroy complete! Resources: 1 destroyed.
Note: Terraform identified a single instance with no other dependencies, so it destroyed the instance. In more complicated cases with multiple resources, Terraform will destroy them in a suitable order to respect dependencies.
Query Data with Outputs:
mohan:learn-terraform-aws-instance$ terraform apply
aws_instance.app_server: Refreshing state... [id=i-02eaef30c14d5f762]
Changes to Outputs:
+ instance_id = "i-02eaef30c14d5f762"
+ instance_public_ip = "52.26.220.239"
You can apply this plan to save these new output values to the Terraform state, without changing any real infrastructure.
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
Apply complete! Resources: 0 added, 0 changed, 0 destroyed.
Outputs:
instance_id = "MASKED"
instance_public_ip = "MASKED"
Configure the remote backend:
Update main.tf to add a remote backend block to your Terraform configuration, and replace <ORG_NAME> with your organization name.
backend "remote" {
organization = "mohico"
workspaces {
name = "Mohi-Workspace"
}
}
mohan:learn-terraform-aws-instance$ terraform init
Initializing the backend...
Acquiring state lock. This may take a few moments...
Do you want to copy existing state to the new backend?
Pre-existing state was found while migrating the previous "local" backend to the
newly configured "remote" backend. No existing state was found in the newly
configured "remote" backend. Do you want to copy this state to the new "remote"
backend? Enter "yes" to copy and "no" to start with an empty state.
Enter a value: yes
Successfully configured the backend "remote"! Terraform will automatically
use this backend unless the backend configuration changes.
Initializing provider plugins...
- Reusing previous version of hashicorp/aws from the dependency lock file
- Using previously-installed hashicorp/aws v3.62.0
Terraform has been successfully initialized!
You may now begin working with Terraform. Try running "terraform plan" to see
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.
mohan:learn-terraform-aws-instance$ terraform apply
Running apply in the remote backend. Output will stream here. Pressing Ctrl-C
will cancel the remote apply if it's still pending. If the apply started it
will stop streaming the logs, but will not stop the apply running remotely.
Preparing the remote apply...
To view this run in a browser, visit:
https://app.terraform.io/app/mohico/Mohi-Workspace/runs/run-abcdefgh
Waiting for the plan to start...
Terraform v1.0.8
on linux_amd64
Configuring remote state backend...
Initializing Terraform configuration...
aws_instance.app_server: Refreshing state... [id=i-02eaef30c14d5f762]
No changes. Your infrastructure matches the configuration.
Terraform has compared your real infrastructure against your configuration
and found no differences, so no changes are needed.
Destroy the environment:
mohan:learn-terraform-aws-instance$ terraform destroy
Running apply in the remote backend. Output will stream here. Pressing Ctrl-C
will cancel the remote apply if it's still pending. If the apply started it
will stop streaming the logs, but will not stop the apply running remotely.
Preparing the remote apply...
To view this run in a browser, visit:
https://app.terraform.io/app/mohico/Mohi-Workspace/runs/run-Aw6YvYknVa1Empkc
Waiting for the plan to start...
Terraform v1.0.8
on linux_amd64
Configuring remote state backend...
Initializing Terraform configuration...
aws_instance.app_server: Refreshing state... [id=i-02eaef30c14d5f762]
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.app_server will be destroyed
- resource "aws_instance" "app_server" {
- ami = "ami-08d70e59c07c61a3a" -> null
- arn = "arn:aws:ec2:us-west-2:336296443354:instance/i-02eaef30c14d5f762" -> null
- associate_public_ip_address = true -> null
- availability_zone = "us-west-2a" -> null
- cpu_core_count = 1 -> null
- cpu_threads_per_core = 1 -> null
- disable_api_termination = false -> null
- ebs_optimized = false -> null
- get_password_data = false -> null
- hibernation = false -> null
- id = "i-02eaef30c14d5f762" -> 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-03dcf1f950903db84" -> null
- private_dns = "ip-172-31-27-44.us-west-2.compute.internal" -> null
- private_ip = "172.31.27.44" -> null
- public_dns = "ec2-MASKED.us-west-2.compute.amazonaws.com" -> null
- public_ip = "MASKED" -> null
- secondary_private_ips = [] -> null
- security_groups = [
- "default",
] -> null
- source_dest_check = true -> null
- subnet_id = "subnet-b88413c0" -> null
- tags = {
- "Name" = "ExampleAppServerInstance"
} -> null
- tags_all = {
- "Name" = "ExampleAppServerInstance"
} -> null
- tenancy = "default" -> null
- vpc_security_group_ids = [
- "sg-bb8ccf8c",
] -> null
- capacity_reservation_specification {
- capacity_reservation_preference = "open" -> null
}
- credit_specification {
- cpu_credits = "standard" -> null
}
- enclave_options {
- enabled = false -> null
}
- metadata_options {
- http_endpoint = "enabled" -> null
- http_put_response_hop_limit = 1 -> null
- http_tokens = "optional" -> null
}
- root_block_device {
- delete_on_termination = true -> null
- device_name = "/dev/sda1" -> null
- encrypted = false -> null
- iops = 100 -> null
- tags = {} -> null
- throughput = 0 -> null
- volume_id = "vol-05c5b551e9c726edb" -> null
- volume_size = 8 -> null
- volume_type = "gp2" -> null
}
}
Plan: 0 to add, 0 to change, 1 to destroy.
Changes to Outputs:
- instance_id = "MASKED" -> null
- instance_public_ip = "MASKED" -> null
Do you really want to destroy all resources in workspace "Mohi-Workspace"?
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.app_server: Destroying... [id=i-02eaef30c14d5f762]
aws_instance.app_server: Still destroying... [id=i-02eaef30c14d5f762, 10s elapsed]
aws_instance.app_server: Still destroying... [id=i-02eaef30c14d5f762, 20s elapsed]
aws_instance.app_server: Still destroying... [id=i-02eaef30c14d5f762, 30s elapsed]
aws_instance.app_server: Destruction complete after 31s
Apply complete! Resources: 0 added, 0 changed, 1 destroyed.
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