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.
Tip
Cloud Posse uses atmos
to easily orchestrate multiple environments using Terraform.
Works with Github Actions, Atlantis, or Spacelift.
Watch demo of using Atmos with Terraform
![](https://github.com/cloudposse/atmos/raw/master/docs/demo.gif?raw=true)
Example of running
atmos
to manage infrastructure from our Quick Start tutorial.
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.
Available targets:
help Help screen
help/all Display help for all targets
help/short This help short screen
lint Lint terraform code
Name | Version |
---|---|
terraform | >= 1.3.0 |
aws | >= 3.0 |
Name | Version |
---|---|
aws | >= 3.0 |
Name | Source | Version |
---|---|---|
label_backup_role | cloudposse/label/null | 0.25.0 |
this | cloudposse/label/null | 0.25.0 |
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 |
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({ |
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({ |
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 |
{ |
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 beidentical 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 bechanged in later chained modules. Attempts to change it will be silently ignored. |
set(string) |
[ |
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 |
list(object({ |
[] |
no |
selection_tags | An array of tag condition objects used to filter resources based on tags for assigning to a backup plan | list(object({ |
[] |
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 |
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 |
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
Tip
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