AWS EC2 Instance Terraform module

Terraform module which creates EC2 instance(s) on AWS.

These types of resources are supported:

EC2 instance

Terraform versions

Terraform 0.12. Pin module version to ~> v2.0. Submit pull-requests to master branch.

Terraform 0.11. Pin module version to ~> v1.0. Submit pull-requests to terraform011 branch.

Usage

module "ec2_cluster" {
  source                 = "terraform-aws-modules/ec2-instance/aws"
  version                = "~> 2.0"

  name                   = "my-cluster"
  instance_count         = 5

  ami                    = "ami-ebd02392"
  instance_type          = "t2.micro"
  key_name               = "user1"
  monitoring             = true
  vpc_security_group_ids = ["sg-12345678"]
  subnet_id              = "subnet-eddcdzz4"

  tags = {
    Terraform   = "true"
    Environment = "dev"
  }
}

Examples

Make an encrypted AMI for use

This module does not support encrypted AMI's out of the box however it is easy enough for you to generate one for use

This example creates an encrypted image from the latest ubuntu 16.04 base image.

resource "aws_ami_copy" "ubuntu-xenial-encrypted-ami" {
  name              = "ubuntu-xenial-encrypted-ami"
  description       = "An encrypted root ami based off ${data.aws_ami.ubuntu-xenial.id}"
  source_ami_id     = "${data.aws_ami.ubuntu-xenial.id}"
  source_ami_region = "eu-west-2"
  encrypted         = "true"

  tags {
    Name = "ubuntu-xenial-encrypted-ami"
  }
}

data "aws_ami" "encrypted-ami" {
  most_recent = true

  filter {
    name   = "name"
    values = ["ubuntu-xenial-encrypted"]
  }

  owners = ["self"]
}

data "aws_ami" "ubuntu-xenial" {
  most_recent = true

  filter {
    name   = "name"
    values = ["ubuntu/images/hvm-ssd/ubuntu-xenial-16.04-amd64-server-*"]
  }

  owners      = ["099720109477"]
}

Notes

network_interface can't be specified together with vpc_security_group_ids, associate_public_ip_address, subnet_id. See basic example for details.
Changes in ebs_block_device argument will be ignored. Use aws_volume_attachment resource to attach and detach volumes from AWS EC2 instances. See this example.
One of subnet_id or subnet_ids is required. If both are provided, the value of subnet_id is prepended to the value of subnet_ids.

Inputs

Name	Description	Type	Default	Required
ami	ID of AMI to use for the instance	string	n/a	yes
associate_public_ip_address	If true, the EC2 instance will have associated public IP address	bool	`"null"`	no
cpu_credits	The credit option for CPU usage (unlimited or standard)	string	`"standard"`	no
disable_api_termination	If true, enables EC2 Instance Termination Protection	bool	`"false"`	no
ebs_block_device	Additional EBS block devices to attach to the instance	list(map(string))	`[]`	no
ebs_optimized	If true, the launched EC2 instance will be EBS-optimized	bool	`"false"`	no
ephemeral_block_device	Customize Ephemeral (also known as Instance Store) volumes on the instance	list(map(string))	`[]`	no
get_password_data	If true, wait for password data to become available and retrieve it.	bool	`"false"`	no
iam_instance_profile	The IAM Instance Profile to launch the instance with. Specified as the name of the Instance Profile.	string	`""`	no
instance_count	Number of instances to launch	number	`"1"`	no
instance_initiated_shutdown_behavior	Shutdown behavior for the instance	string	`""`	no
instance_type	The type of instance to start	string	n/a	yes
ipv6_address_count	A number of IPv6 addresses to associate with the primary network interface. Amazon EC2 chooses the IPv6 addresses from the range of your subnet.	number	`"null"`	no
ipv6_addresses	Specify one or more IPv6 addresses from the range of the subnet to associate with the primary network interface	list(string)	`"null"`	no
key_name	The key name to use for the instance	string	`""`	no
monitoring	If true, the launched EC2 instance will have detailed monitoring enabled	bool	`"false"`	no
name	Name to be used on all resources as prefix	string	n/a	yes
network_interface	Customize network interfaces to be attached at instance boot time	list(map(string))	`[]`	no
placement_group	The Placement Group to start the instance in	string	`""`	no
private_ip	Private IP address to associate with the instance in a VPC	string	`"null"`	no
private_ips	A list of private IP address to associate with the instance in a VPC. Should match the number of instances.	list(string)	`[]`	no
root_block_device	Customize details about the root block device of the instance. See Block Devices below for details	list(map(string))	`[]`	no
source_dest_check	Controls if traffic is routed to the instance when the destination address does not match the instance. Used for NAT or VPNs.	bool	`"true"`	no
subnet_id	The VPC Subnet ID to launch in	string	`""`	no
subnet_ids	A list of VPC Subnet IDs to launch in	list(string)	`[]`	no
tags	A mapping of tags to assign to the resource	map(string)	`{}`	no
tenancy	The tenancy of the instance (if the instance is running in a VPC). Available values: default, dedicated, host.	string	`"default"`	no
use_num_suffix	Always append numerical suffix to instance name, even if instance_count is 1	bool	`"false"`	no
user_data	The user data to provide when launching the instance. Do not pass gzip-compressed data via this argument; see user_data_base64 instead.	string	`"null"`	no
user_data_base64	Can be used instead of user_data to pass base64-encoded binary data directly. Use this instead of user_data whenever the value is not a valid UTF-8 string. For example, gzip-encoded user data must be base64-encoded and passed via this argument to avoid corruption.	string	`"null"`	no
volume_tags	A mapping of tags to assign to the devices created by the instance at launch time	map(string)	`{}`	no
vpc_security_group_ids	A list of security group IDs to associate with	list(string)	`"null"`	no

Outputs

Name	Description
arn	List of ARNs of instances
availability_zone	List of availability zones of instances
credit_specification	List of credit specification of instances
ebs_block_device_volume_ids	List of volume IDs of EBS block devices of instances
id	List of IDs of instances
instance_count	Number of instances to launch specified as argument to this module
instance_state	List of instance states of instances
ipv6_addresses	List of assigned IPv6 addresses of instances
key_name	List of key names of instances
password_data	List of Base-64 encoded encrypted password data for the instance
placement_group	List of placement groups of instances
primary_network_interface_id	List of IDs of the primary network interface of instances
private_dns	List of private DNS names assigned to the instances. Can only be used inside the Amazon EC2, and only available if you've enabled DNS hostnames for your VPC
private_ip	List of private IP addresses assigned to the instances
public_dns	List of public DNS names assigned to the instances. For EC2-VPC, this is only available if you've enabled DNS hostnames for your VPC
public_ip	List of public IP addresses assigned to the instances, if applicable
root_block_device_volume_ids	List of volume IDs of root block devices of instances
security_groups	List of associated security groups of instances
subnet_id	List of IDs of VPC subnets of instances
tags	List of tags of instances
volume_tags	List of tags of volumes of instances
vpc_security_group_ids	List of associated security groups of instances, if running in non-default VPC

Authors

Module managed by Anton Babenko.

License

Apache 2 Licensed. See LICENSE for full details.

License

cabrizio/terraform-aws-ec2-instance

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