terraform-aws-backup

Terraform module to provision AWS Backup, a fully managed backup service that makes it easy to centralize and automate the back up of data across AWS services such as Amazon EBS volumes, Amazon EC2 instances, Amazon RDS databases, Amazon DynamoDB tables, Amazon EFS file systems, and AWS Storage Gateway volumes.

NOTE: the syntax of declaring a backup schedule has changed as of release 0.14.0, follow the instructions in the 0.13.x to 0.14.x+ migration guide.

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It's 100% Open Source and licensed under the APACHE2.

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Security & Compliance

Security scanning is graciously provided by Bridgecrew. Bridgecrew is the leading fully hosted, cloud-native solution providing continuous Terraform security and compliance.

Benchmark	Description
	Infrastructure Security Compliance
	Center for Internet Security, KUBERNETES Compliance
	Center for Internet Security, AWS Compliance
	Center for Internet Security, AZURE Compliance
	Payment Card Industry Data Security Standards Compliance
	National Institute of Standards and Technology Compliance
	Information Security Management System, ISO/IEC 27001 Compliance
	Service Organization Control 2 Compliance
	Center for Internet Security, GCP Compliance
	Health Insurance Portability and Accountability Compliance

Usage

IMPORTANT: We do not pin modules to versions in our examples because of the difficulty of keeping the versions in the documentation in sync with the latest released versions. We highly recommend that in your code you pin the version to the exact version you are using so that your infrastructure remains stable, and update versions in a systematic way so that they do not catch you by surprise.

Also, because of a bug in the Terraform registry (hashicorp/terraform#21417), the registry shows many of our inputs as required when in fact they are optional. The table below correctly indicates which inputs are required.

For a complete example on how to backup an Elastic File System (EFS), see examples/complete.

For automated tests of the complete example using bats and Terratest (which tests and deploys the example on AWS), see test.

provider "aws" {
  region = var.region
}

module "vpc" {
  source = "cloudposse/vpc/aws"
  # Cloud Posse recommends pinning every module to a specific version
  # version     = "x.x.x"

  namespace  = var.namespace
  stage      = var.stage
  name       = var.name
  attributes = var.attributes
  tags       = var.tags
  delimiter  = var.delimiter

  ipv4_primary_cidr_block = "172.16.0.0/16"
}

module "subnets" {
  source = "cloudposse/dynamic-subnets/aws"
  # Cloud Posse recommends pinning every module to a specific version
  # version     = "x.x.x"

  namespace  = var.namespace
  stage      = var.stage
  name       = var.name
  attributes = var.attributes
  tags       = var.tags
  delimiter  = var.delimiter

  availability_zones   = var.availability_zones
  vpc_id               = module.vpc.vpc_id
  igw_id               = [module.vpc.igw_id]
  ipv4_cidr_block      = module.vpc.vpc_cidr_block
  nat_gateway_enabled  = false
  nat_instance_enabled = false
}

module "efs" {
  source = "cloudposse/efs/aws"
  # Cloud Posse recommends pinning every module to a specific version
  # version     = "x.x.x"

  namespace  = var.namespace
  stage      = var.stage
  name       = var.name
  attributes = var.attributes
  tags       = var.tags
  delimiter  = var.delimiter

  region             = var.region
  availability_zones = var.availability_zones
  vpc_id             = module.vpc.vpc_id
  subnets            = module.subnets.private_subnet_ids

  allowed_security_group_ids = [module.vpc.vpc_default_security_group_id]
}

module "backup" {
  source = "cloudposse/backup/aws"
  # Cloud Posse recommends pinning every module to a specific version
  # version     = "x.x.x"

  namespace  = var.namespace
  stage      = var.stage
  name       = var.name
  attributes = var.attributes
  tags       = var.tags
  delimiter  = var.delimiter

  backup_resources = [module.efs.arn]
  not_resources    = var.not_resources
  rules = [
    {
      name               = var.name
      schedule           = var.schedule
      start_window       = var.start_window
      completion_window  = var.completion_window
      cold_storage_after = var.cold_storage_after
      delete_after       = var.delete_after
    },
  ]
}

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

Name	Version
terraform	>= 0.13.0
aws	>= 2.0

Providers

Name	Version
aws	>= 2.0

Modules

Name	Source	Version
label_backup_role	cloudposse/label/null	0.25.0
this	cloudposse/label/null	0.25.0

Resources

Name	Type
aws_backup_plan.default	resource
aws_backup_selection.default	resource
aws_backup_vault.default	resource
aws_iam_role.default	resource
aws_iam_role_policy_attachment.default	resource
aws_backup_vault.existing	data source
aws_iam_policy_document.assume_role	data source
aws_iam_role.existing	data source
aws_partition.current	data source

Inputs

Name	Description	Type	Default	Required
additional_tag_map	Additional key-value pairs to add to each map in `tags_as_list_of_maps`. Not added to `tags` or `id`. This is for some rare cases where resources want additional configuration of tags and therefore take a list of maps with tag key, value, and additional configuration.	`map(string)`	`{}`	no
attributes	ID element. Additional attributes (e.g. `workers` or `cluster`) to add to `id`, in the order they appear in the list. New attributes are appended to the end of the list. The elements of the list are joined by the `delimiter` and treated as a single ID element.	`list(string)`	`[]`	no
backup_resources	An array of strings that either contain Amazon Resource Names (ARNs) or match patterns of resources to assign to a backup plan	`list(string)`	`[]`	no
cold_storage_after	DEPRECATED: see migration guide Specifies the number of days after creation that a recovery point is moved to cold storage	`number`	`null`	no
completion_window	DEPRECATED: see migration guide The amount of time AWS Backup attempts a backup before canceling the job and returning an error. Must be at least 60 minutes greater than `start_window`	`number`	`null`	no
context	Single object for setting entire context at once. See description of individual variables for details. Leave string and numeric variables as `null` to use default value. Individual variable settings (non-null) override settings in context object, except for attributes, tags, and additional_tag_map, which are merged.	`any`	{ "additional_tag_map": {}, "attributes": [], "delimiter": null, "descriptor_formats": {}, "enabled": true, "environment": null, "id_length_limit": null, "label_key_case": null, "label_order": [], "label_value_case": null, "labels_as_tags": [ "unset" ], "name": null, "namespace": null, "regex_replace_chars": null, "stage": null, "tags": {}, "tenant": null }	no
copy_action_cold_storage_after	DEPRECATED: see migration guide For copy operation, specifies the number of days after creation that a recovery point is moved to cold storage	`number`	`null`	no
copy_action_delete_after	DEPRECATED: see migration guide For copy operation, specifies the number of days after creation that a recovery point is deleted. Must be 90 days greater than `copy_action_cold_storage_after`	`number`	`null`	no
delete_after	DEPRECATED: see migration guide Specifies the number of days after creation that a recovery point is deleted. Must be 90 days greater than `cold_storage_after`	`number`	`null`	no
delimiter	Delimiter to be used between ID elements. Defaults to `-` (hyphen). Set to `""` to use no delimiter at all.	`string`	`null`	no
descriptor_formats	Describe additional descriptors to be output in the `descriptors` output map. Map of maps. Keys are names of descriptors. Values are maps of the form `{<br> format = string<br> labels = list(string)<br>}` (Type is `any` so the map values can later be enhanced to provide additional options.) `format` is a Terraform format string to be passed to the `format()` function. `labels` is a list of labels, in order, to pass to `format()` function. Label values will be normalized before being passed to `format()` so they will be identical to how they appear in `id`. Default is `{}` (`descriptors` output will be empty).	`any`	`{}`	no
destination_vault_arn	DEPRECATED: see migration guide An Amazon Resource Name (ARN) that uniquely identifies the destination backup vault for the copied backup	`string`	`null`	no
enable_continuous_backup	DEPRECATED: see migration guide Enable continuous backups for supported resources.	`bool`	`null`	no
enabled	Set to false to prevent the module from creating any resources	`bool`	`null`	no
environment	ID element. Usually used for region e.g. 'uw2', 'us-west-2', OR role 'prod', 'staging', 'dev', 'UAT'	`string`	`null`	no
iam_role_enabled	Should we create a new Iam Role and Policy Attachment	`bool`	`true`	no
iam_role_name	Override target IAM Role Name	`string`	`null`	no
id_length_limit	Limit `id` to this many characters (minimum 6). Set to `0` for unlimited length. Set to `null` for keep the existing setting, which defaults to `0`. Does not affect `id_full`.	`number`	`null`	no
kms_key_arn	The server-side encryption key that is used to protect your backups	`string`	`null`	no
label_key_case	Controls the letter case of the `tags` keys (label names) for tags generated by this module. Does not affect keys of tags passed in via the `tags` input. Possible values: `lower`, `title`, `upper`. Default value: `title`.	`string`	`null`	no
label_order	The order in which the labels (ID elements) appear in the `id`. Defaults to ["namespace", "environment", "stage", "name", "attributes"]. You can omit any of the 6 labels ("tenant" is the 6th), but at least one must be present.	`list(string)`	`null`	no
label_value_case	Controls the letter case of ID elements (labels) as included in `id`, set as tag values, and output by this module individually. Does not affect values of tags passed in via the `tags` input. Possible values: `lower`, `title`, `upper` and `none` (no transformation). Set this to `title` and set `delimiter` to `""` to yield Pascal Case IDs. Default value: `lower`.	`string`	`null`	no
labels_as_tags	Set of labels (ID elements) to include as tags in the `tags` output. Default is to include all labels. Tags with empty values will not be included in the `tags` output. Set to `[]` to suppress all generated tags. Notes: The value of the `name` tag, if included, will be the `id`, not the `name`. Unlike other `null-label` inputs, the initial setting of `labels_as_tags` cannot be changed in later chained modules. Attempts to change it will be silently ignored.	`set(string)`	[ "default" ]	no
name	ID element. Usually the component or solution name, e.g. 'app' or 'jenkins'. This is the only ID element not also included as a `tag`. The "name" tag is set to the full `id` string. There is no tag with the value of the `name` input.	`string`	`null`	no
namespace	ID element. Usually an abbreviation of your organization name, e.g. 'eg' or 'cp', to help ensure generated IDs are globally unique	`string`	`null`	no
not_resources	An array of strings that either contain Amazon Resource Names (ARNs) or match patterns of resources to exclude from a backup plan	`list(string)`	`[]`	no
permissions_boundary	The permissions boundary to set on the role	`string`	`null`	no
plan_enabled	Should we create a new Plan	`bool`	`true`	no
plan_name_suffix	The string appended to the plan name	`string`	`null`	no
regex_replace_chars	Terraform regular expression (regex) string. Characters matching the regex will be removed from the ID elements. If not set, `"/[^a-zA-Z0-9-]/"` is used to remove all characters other than hyphens, letters and digits.	`string`	`null`	no
rules	An array of rule maps used to define schedules in a backup plan	`list(any)`	`[]`	no
schedule	DEPRECATED: see migration guide A CRON expression specifying when AWS Backup initiates a backup job	`string`	`null`	no
selection_tags	An array of tag condition objects used to filter resources based on tags for assigning to a backup plan	list(object({ type = string key = string value = string }))	`[]`	no
stage	ID element. Usually used to indicate role, e.g. 'prod', 'staging', 'source', 'build', 'test', 'deploy', 'release'	`string`	`null`	no
start_window	DEPRECATED: see migration guide The amount of time in minutes before beginning a backup. Minimum value is 60 minutes	`number`	`null`	no
tags	Additional tags (e.g. `{'BusinessUnit': 'XYZ'}`). Neither the tag keys nor the tag values will be modified by this module.	`map(string)`	`{}`	no
tenant	ID element _(Rarely used, not included by default)_. A customer identifier, indicating who this instance of a resource is for	`string`	`null`	no
vault_enabled	Should we create a new Vault	`bool`	`true`	no
vault_name	Override target Vault Name	`string`	`null`	no

Outputs

Name	Description
backup_plan_arn	Backup Plan ARN
backup_plan_version	Unique, randomly generated, Unicode, UTF-8 encoded string that serves as the version ID of the backup plan
backup_selection_id	Backup Selection ID
backup_vault_arn	Backup Vault ARN
backup_vault_id	Backup Vault ID
role_arn	The Amazon Resource Name (ARN) specifying the role
role_name	The name of the IAM role created

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Related Projects

Check out these related projects.

terraform-aws-efs - Terraform module to provision EFS file system
terraform-aws-efs-backup - Terraform module to backup EFS filesystems to S3 using DataPipeline
terraform-aws-efs-cloudwatch-sns-alarms - Terraform module that configures CloudWatch SNS alerts for EFS

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Copyright

License

See LICENSE for full details.

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,
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Contributors

Erik Osterman	Andriy Knysh	Igor Rodionov	RB

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cloudposse / terraform-aws-backup

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