GitHub - leonardobiffi/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 EBS volumes, RDS databases, DynamoDB tables, EFS file systems, and AWS Storage Gateway volumes.

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.

Warning

The deprecated variables have been fully deprecated as of 1.x.x. Please use the new variables as described in the 0.13.x to 0.14.x+ migration guide.

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Usage

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

  plan_name_suffix = var.plan_name_suffix
  vault_enabled    = var.vault_enabled
  iam_role_enabled = var.iam_role_enabled
  plan_enabled     = var.plan_enabled

  selection_tags   = var.selection_tags
  backup_resources = [module.efs.arn]
  not_resources    = var.not_resources

  rules = var.rules

  kms_key_arn = var.kms_key_arn

  advanced_backup_setting         = var.advanced_backup_setting
  backup_vault_lock_configuration = var.backup_vault_lock_configuration

}

In the above example var.rules could be defined as follows:

rules = [
  {
    name              = "${module.this.name}-daily"
    schedule          = var.schedule
    start_window      = var.start_window
    completion_window = var.completion_window
    lifecycle         = {
      cold_storage_after = var.cold_storage_after
      delete_after       = var.delete_after
    }
  }
]

or as yaml

rules:
  - name: "plan-daily"
    schedule: "cron(0 5 ? * * *)"
    start_window: 320 # 60 * 8             # minutes
    completion_window: 10080 # 60 * 24 * 7 # minutes
    delete_after: 35 # 7 * 5

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

Name	Version
terraform	>= 1.3.0
aws	>= 3.0

Providers

Name	Version
aws	>= 3.0

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_backup_vault_lock_configuration.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
advanced_backup_setting	An object that specifies backup options for each resource type	object({ backup_options = string resource_type = string })	`null`	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
backup_vault_lock_configuration	The backup vault lock configuration, each vault can have one vault lock in place. This will enable Backup Vault Lock on an AWS Backup vault it prevents the deletion of backup data for the specified retention period. During this time, the backup data remains immutable and cannot be deleted or modified." `changeable_for_days` - The number of days before the lock date. If omitted creates a vault lock in `governance` mode, otherwise it will create a vault lock in `compliance` mode.	object({ changeable_for_days = optional(number) max_retention_days = optional(number) min_retention_days = optional(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
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
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	A list of rule objects used to define schedules in a backup plan. Follows the following structure: yaml rules: - name: "plan-daily" schedule: "cron(0 5 ? * * )" start_window: 320 # 60 8 # minutes completion_window: 10080 # 60 * 24 * 7 # minutes delete_after: 35 # 7 * 5 # days - name: "plan-weekly" schedule: "cron(0 5 ? * SAT )" start_window: 320 # 60 8 # minutes completion_window: 10080 # 60 * 24 * 7 # minutes delete_after: 90 # 30 * 3	list(object({ name = string schedule = optional(string) enable_continuous_backup = optional(bool) start_window = optional(number) completion_window = optional(number) lifecycle = optional(object({ cold_storage_after = optional(number) delete_after = optional(number) opt_in_to_archive_for_supported_resources = optional(bool) })) copy_action = optional(object({ destination_vault_arn = optional(string) lifecycle = optional(object({ cold_storage_after = optional(number) delete_after = optional(number) opt_in_to_archive_for_supported_resources = optional(bool) })) })) }))	`[]`	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
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

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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License

Preamble to the Apache License, Version 2.0

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
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KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

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All other trademarks referenced herein are the property of their respective owners.

Name		Name	Last commit message	Last commit date
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.github		.github
docs		docs
examples/complete		examples/complete
test		test
.gitignore		.gitignore
LICENSE		LICENSE
Makefile		Makefile
README.md		README.md
README.yaml		README.yaml
context.tf		context.tf
main.tf		main.tf
outputs.tf		outputs.tf
variables.tf		variables.tf
versions.tf		versions.tf

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