terraform-aws-ec2-ami-backup

This repo contains a terraform module that creates two lambda functions that will create AMI automatically at regular intervals. It is based on the code at https://serverlesscode.com/post/lambda-schedule-ebs-snapshot-backups/ and https://serverlesscode.com/post/lambda-schedule-ebs-snapshot-backups-2/.

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Usage

Include this repository as a module in your existing terraform code:

module "lambda_ami_backup" {
  source = "git::https://github.com/cloudposse/terraform-aws-ec2-ami-backup.git?ref=tags/0.3.2"

  name           = "${var.name}"
  stage          = "${var.stage}"
  namespace      = "${var.namespace}"
  region         = "${var.region}"
  ami_owner      = "${var.ami_owner}"
  instance_id    = "${var.instance_id}"
  retention_days = "14"
}

Examples

Example on excluding some of attached EBS volumes:

module "lambda_ami_backup" {
  source = "git::https://github.com/cloudposse/terraform-aws-ec2-ami-backup.git?ref=tags/0.3.2"

  name           = "${var.name}"
  stage          = "${var.stage}"
  namespace      = "${var.namespace}"
  region         = "${var.region}"
  ami_owner      = "${var.ami_owner}"
  instance_id    = "${var.instance_id}"
  retention_days = "14"

  block_device_mappings = [
    { "DeviceName" = "/dev/xvdf", "NoDevice" = "" },
    { "DeviceName" = "/dev/xvdg", "NoDevice" = "" },
  ]
}

Makefile Targets

Available targets:

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

Inputs

Name	Description	Type	Default	Required
ami_owner	AWS Account ID which is used as a filter for AMI list (e.g. `123456789012`)	string	``	no
backup_schedule	The scheduling expression. (e.g. cron(0 20 * * ? *) or rate(5 minutes)	string	`cron(00 19 * * ? *)`	no
block_device_mappings	List of block device mappings to be included/excluded from created AMIs. With default value of [], AMIs will include all attached EBS volumes	list	`<list>`	no
cleanup_schedule	The scheduling expression. (e.g. cron(0 20 * * ? *) or rate(5 minutes)	string	`cron(05 19 * * ? *)`	no
instance_id	AWS Instance ID which is used for creating the AMI image (e.g. `id-123456789012`)	string	-	yes
name	Name (e.g. `bastion` or `db`)	string	``	no
namespace	Namespace (e.g. `cp` or `cloudposse`)	string	``	no
reboot	Reboot the machine as part of the snapshot process	string	`false`	no
region	AWS Region where module should operate (e.g. `us-east-1`)	string	``	no
retention_days	Is the number of days you want to keep the backups for (e.g. `14`)	string	`14`	no
stage	Stage (e.g. `prod`, `dev`, `staging`)	string	``	no

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Related Projects

Check out these related projects.

terraform-aws-ec2-ami-snapshot - Terraform module to easily generate AMI snapshots to create replica instances
terraform-aws-efs-backup - Terraform module designed to easily backup EFS filesystems to S3 using DataPipeline

References

For additional context, refer to some of these links.

Terraform config for automatic EBS snapshots - This repo contains a terraform configuration that creates two lambda functions that will take automatic EBS snapshots at regular intervals.

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Copyrights

License

The MIT License (MIT)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

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Source: https://opensource.org/licenses/MIT