Awesome

Terraform module to easily generate AMI snapshots to create replica instances

[!TIP]

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<details> <summary>Watch demo of using Atmos with Terraform</summary> <img src="https://github.com/cloudposse/atmos/blob/master/docs/demo.gif?raw=true"/> Example of running <a href="https://atmos.tools"><code>atmos</code></a> to manage infrastructure from our <a href="https://atmos.tools/quick-start/">Quick Start</a> tutorial. </detalis>

Usage

Create an AWS instance

resource "aws_instance" "default" {
  ami           = "ami-408c7f28"
  instance_type = "t1.micro"

  tags = {
    Name = "test1"
  }
}

Create AMI from an AWS instance. Instance ID is required"

module "tf_ami_from_instance" {
  source             = "git::https://github.com/cloudposse/tf_ami_from_instance.git?ref=master"
  source_instance_id = "${aws_instance.web.id}"
  stage              = "${var.stage}"
  namespace          = "${var.namespace}"
  name               = "${var.name}"
  attributes         = "${var.attributes}"
  tags               = "${var.tags}"
}

Caveats

Terraform will only keep the latest AMI snapshot (terraform will delete the previously generated AMI) See our Lamda based solution which avoids this pitfall: https://github.com/cloudposse/tf_lambda_ami_backup
This is is not compatible with autoscaling groups

[!IMPORTANT] In Cloud Posse's examples, we avoid pinning modules to specific versions to prevent discrepancies between the documentation and the latest released versions. However, for your own projects, we strongly advise pinning each module to the exact version you're using. This practice ensures the stability of your infrastructure. Additionally, we recommend implementing a systematic approach for updating versions to avoid unexpected changes.

Makefile Targets

Available targets:

  help                                Help screen
  help/all                            Display help for all targets
  help/short                          This help short screen
  lint                                Lint terraform code

Requirements

No requirements.

Providers

Name	Version
<a name="provider_aws"></a> aws	n/a

Modules

Name	Source	Version
<a name="module_label"></a> label	git::https://github.com/cloudposse/tf_label.git	0.2.0

Resources

Name	Type
aws_ami_from_instance.default	resource

Inputs

Name	Description	Type	Default	Required
<a name="input_attributes"></a> attributes	Additional attributes (e.g. `policy` or `role`)	`list(string)`	`[]`	no
<a name="input_delimiter"></a> delimiter	Delimiter to be used between `name`, `namespace`, `stage`, etc.	`string`	`"-"`	no
<a name="input_name"></a> name	The Name of the application or solution (e.g. `bastion` or `portal`)	`string`	`""`	no
<a name="input_namespace"></a> namespace	Namespace (e.g. `cp` or `cloudposse`)	`string`	`""`	no
<a name="input_snapshot_without_reboot"></a> snapshot_without_reboot	n/a	`string`	`"true"`	no
<a name="input_source_instance_id"></a> source_instance_id	n/a	`any`	n/a	yes
<a name="input_stage"></a> stage	Stage (e.g. `prod`, `dev`, `staging`)	`string`	`""`	no
<a name="input_tags"></a> tags	Additional tags (e.g. `map('BusinessUnit','XYZ')`)	`map(string)`	`{}`	no

Outputs

Name	Description
<a name="output_ami_id"></a> ami_id	AMI ID depends on the instance type and region in which you're launching your stack. And IDs can change regularly, such as when an AMI is updated with software updates.

Related Projects

Check out these related projects.

terraform-aws-ec2-ami-backup - Terraform module for automatic & scheduled AMI creation
terraform-aws-ec2-bastion-server - Terraform Module to define a generic Bastion host with parameterized user_data
terraform-aws-ec2-instance - Terraform Module for providing a general EC2 instance provisioned by Ansible
terraform-aws-ec2-admin-server - Terraform Module for providing a EC2 instance capable of running admin tasks and provisioned by Ansible
terraform-aws-ec2-cloudwatch-sns-alarms - Terraform module that configures CloudWatch SNS alerts for EC2 instances
terraform-aws-ec2-instance-group - Terraform Module for provisioning multiple general purpose EC2 hosts for stateful applications.
terraform-aws-ec2-instance-group - Terraform Module for provisioning multiple general purpose EC2 hosts for stateful applications.

[!TIP]

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License

<details> <summary>Preamble to the Apache License, Version 2.0</summary>

Complete license is available in the LICENSE file.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

</details>

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