cloudposse / terraform-aws-efs-backup

Terraform module designed to easily backup EFS filesystems to S3 using DataPipeline

Terraform module designed to easily backup EFS filesystems to S3 using DataPipeline.

The workflow is simple:

• Periodically launch resource (EC2 instance) based on schedule
• Execute the shell command defined in the activity on the instance
• Sync data from Production EFS to S3 Bucket by using aws-cli
• The execution log of the activity is stored in S3
• Publish the success or failure of the activity to an SNS topic
• Automatically rotate the backups using S3 lifecycle rule

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Usage

Include this module in your existing terraform code:

module "efs_backup" {
  source = "git::https://github.com/cloudposse/terraform-aws-efs-backup.git?ref=master"

  name                               = "${var.name}"
  stage                              = "${var.stage}"
  namespace                          = "${var.namespace}"
  vpc_id                             = "${var.vpc_id}"
  efs_mount_target_id                = "${var.efs_mount_target_id}"
  use_ip_address                     = "false"
  noncurrent_version_expiration_days = "${var.noncurrent_version_expiration_days}"
  ssh_key_pair                       = "${var.ssh_key_pair}"
  datapipeline_config                = "${var.datapipeline_config}"
  modify_security_group              = "true"
}

output "efs_backup_security_group" {
  value = "${module.efs_backup.security_group_id}"
}

Integration with EFS

To enable connectivity between the DataPipeline instances and the EFS, use one of the following methods to configure Security Groups:

1. Explicitly add the DataPipeline SG (the output of this module security_group_id) to the list of the ingress rules of the EFS SG. For example:

module "elastic_beanstalk_environment" {
  source     = "git::https://github.com/cloudposse/terraform-aws-elastic-beanstalk-environment.git?ref=master"
  namespace  = "${var.namespace}"
  name       = "${var.name}"
  stage      = "${var.stage}"
  delimiter  = "${var.delimiter}"
  attributes = ["${compact(concat(var.attributes, list("eb-env")))}"]
  tags       = "${var.tags}"

  # ..............................
}

module "efs" {
  source     = "git::https://github.com/cloudposse/terraform-aws-efs.git?ref=tmaster"
  namespace  = "${var.namespace}"
  name       = "${var.name}"
  stage      = "${var.stage}"
  delimiter  = "${var.delimiter}"
  attributes = ["${compact(concat(var.attributes, list("efs")))}"]
  tags       = "${var.tags}"

  # Allow EB/EC2 instances and DataPipeline instances to connect to the EFS
  security_groups = ["${module.elastic_beanstalk_environment.security_group_id}", "${module.efs_backup.security_group_id}"]
}

module "efs_backup" {
  source     = "git::https://github.com/cloudposse/terraform-aws-efs-backup.git?ref=master"
  name       = "${var.name}"
  stage      = "${var.stage}"
  namespace  = "${var.namespace}"
  delimiter  = "${var.delimiter}"
  attributes = ["${compact(concat(var.attributes, list("efs-backup")))}"]
  tags       = "${var.tags}"
  
  # Important to set it to `false` since we added the `DataPipeline` SG (output of the `efs_backup` module) to the `security_groups` of the `efs` module
  # See NOTE below for more information
  modify_security_group = "false"

  # ..............................
}

2. Set modify_security_group attribute to true so the module will modify the EFS SG to allow the DataPipeline to connect to the EFS

NOTE: Do not mix these two methods together. Terraform does not support using a Security Group with in-line rules in conjunction with any Security Group Rule resources. https://www.terraform.io/docs/providers/aws/r/security_group_rule.html

NOTE on Security Groups and Security Group Rules: Terraform currently provides both a standalone Security Group Rule resource (a single ingress or egress rule), and a Security Group resource with ingress and egress rules defined in-line. At this time you cannot use a Security Group with in-line rules in conjunction with any Security Group Rule resources. Doing so will cause a conflict of rule settings and will overwrite rules.

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
aws	n/a

Modules

Name	Source	Version
backups_label	git::https://github.com/cloudposse/terraform-null-label.git	tags/0.3.1
datapipeline_label	git::https://github.com/cloudposse/terraform-null-label.git	tags/0.3.1
label	git::https://github.com/cloudposse/terraform-null-label.git	tags/0.3.1
logs_label	git::https://github.com/cloudposse/terraform-null-label.git	tags/0.3.1
resource_role_label	git::https://github.com/cloudposse/terraform-null-label.git	tags/0.3.1
role_label	git::https://github.com/cloudposse/terraform-null-label.git	tags/0.3.1
sns_label	git::https://github.com/cloudposse/terraform-null-label.git	tags/0.3.1

Resources

Name	Type
aws_cloudformation_stack.datapipeline	resource
aws_cloudformation_stack.sns	resource
aws_iam_instance_profile.resource_role	resource
aws_iam_role.resource_role	resource
aws_iam_role.role	resource
aws_iam_role_policy_attachment.resource_role	resource
aws_iam_role_policy_attachment.role	resource
aws_s3_bucket.backups	resource
aws_s3_bucket.logs	resource
aws_security_group.datapipeline	resource
aws_security_group_rule.datapipeline_efs_ingress	resource
aws_ami.amazon_linux	data source
aws_efs_mount_target.default	data source
aws_iam_policy_document.resource_role	data source
aws_iam_policy_document.role	data source
aws_region.default	data source
aws_subnet_ids.default	data source
aws_vpc.default	data source

Inputs

Name	Description	Type	Default	Required
attributes	Additional attributes (e.g. efs-backup)	list(string)	[]	no
datapipeline_config	DataPipeline configuration options	map(string)	{ "email": "", "instance_type": "t2.micro", "period": "24 hours", "timeout": "60 Minutes" }	no
datapipeline_security_group	Optionally specify a security group to use for the datapipeline instances	string	""	no
delimiter	Delimiter to be used between name, namespace, stage, etc.	string	"-"	no
efs_mount_target_id	EFS Mount Target ID (e.g. fsmt-279bfc62)	string	n/a	yes
modify_security_group	Should the module modify the EFS security group	string	"false"	no
name	The Name of the application or solution (e.g. bastion or portal)	any	n/a	yes
namespace	Namespace (e.g. cp or cloudposse)	any	n/a	yes
noncurrent_version_expiration_days	S3 object versions expiration period (days)	string	"35"	no
region	(Optional) AWS Region. If not specified, will be derived from 'aws_region' data source	string	""	no
ssh_key_pair	SSH key that will be deployed on DataPipeline's instance	string	n/a	yes
stage	Stage (e.g. prod, dev, staging)	any	n/a	yes
subnet_id	Optionally specify the subnet to use	string	""	no
tags	Additional tags (e.g. map('BusinessUnit,XYZ)	map(string)	{}	no
use_ip_address	If set to true, will use IP address instead of DNS name to connect to the EFS	string	"false"	no
vpc_id	VPC ID	string	""	no

Outputs

Name	Description
backups_bucket_name	Backups bucket name
datapipeline_ids	Datapipeline ids
logs_bucket_name	Logs bucket name
security_group_id	Security group id
sns_topic_arn	Backup notification SNS topic ARN

Related Projects

Check out these related projects.

• terraform-aws-efs - Terraform Module to define an EFS Filesystem (aka NFS)
• terraform-aws-efs-cloudwatch-sns-alarms - Terraform module that configures CloudWatch SNS alerts for EFS

References

For additional context, refer to some of these links.

• datapipeline-efs-backup-demo - Thanks for inspiration

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License

Preamble to the Apache License, Version 2.0

Complete license is available in the LICENSE file.

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---

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terraform-aws-efs-backup's Issues

Resource 'aws_cloudformation_stack.sns' does not have attribute 'outputs.TopicArn' for variable 'aws_cloudformation_stack.sns.outputs.TopicArn'

Hi,

I'm trying to create EFS backups using this module but I keep running into the following error:

* module.efs_backup.output.sns_topic_arn: Resource 'aws_cloudformation_stack.sns' does not have attribute 'outputs.TopicArn' for variable 'aws_cloudformation_stack.sns.outputs.TopicArn'

The current configuration of the module is:

### Backup
module "efs_backup" {
  source = "git::https://github.com/cloudposse/terraform-aws-efs-backup.git?ref=0.8.0"

  name                = "${var.name}"
  stage               = "${var.stage}"
  namespace           = "${var.namespace}"
  vpc_id              = "${module.vpc.vpc_id}"
  ssh_key_pair        = "${aws_key_pair.backupadmin.key_name}"
  efs_mount_target_id = "${element(module.efs.mount_target_ids, 0)}"

  datapipeline_config = {
    instance_type = "t2.micro"
    email         = "[email protected]"
    period        = "24 hours"
    timeout       = "60 Minutes"
  }

  modify_security_group = "false"
}

What am I missing/doing wrong?

Add Example Usage

what

• Add example invocation

why

• We need this so we can soon enable automated continuous integration testing of module

aws_cloudformation_stack.datapipeline resource does not produce an array

The "datapipeline_ids" output references the "aws_cloudformation_stack.datapipeline" as though it produces the array. This hasn't been the case since 8bc76ef.

Error: Error refreshing state: 1 error(s) occurred:

* module.efs_backup.output.datapipeline_ids: __builtin_StringToInt: strconv.ParseInt: parsing "DataPipelineId": invalid syntax in:

${aws_cloudformation_stack.datapipeline.*.outputs["DataPipelineId"]}

"current": [REMOVED] Defaults to current provider region if no other filtering is enabled

The module is failing and I am getting the following error:
Error: module.jenkins_efs_backup.data.aws_region.default: "current": [REMOVED] Defaults to current provider region if no other filtering is enabled

The cause of the issue is in here:

terraform-aws-efs-backup/main.tf

Lines 1 to 4 in 82fe791

	data "aws_region" "default" {
	current = true
	}

The solution is to remove the current = true since it is deprecated and throwing an error for Terraform v0.11.13.

Reference: https://www.terraform.io/docs/providers/aws/d/region.html

Error: Missing resource instance key

Hello,

I want to do some tests with terraform-aws-efs-backup module in version 0.9.0. I have this code:
`module "efs_backup" {
source = "git::https://github.com/cloudposse/terraform-aws-efs-backup.git?ref=master"

name = "${var.name}"
stage = "${var.stage}"
namespace = "${var.namespace}"
vpc_id = "${var.vpc_id}"
efs_mount_target_id = "${var.efs_mount_target_id}"
use_ip_address = "false"
noncurrent_version_expiration_days = "${var.noncurrent_version_expiration_days}"
ssh_key_pair = "${var.ssh_key_pair}"
datapipeline_config = "${var.datapipeline_config}"
modify_security_group = "true"
}

output "efs_backup_security_group" {
value = "${module.efs_backup.security_group_id}"
}with these variables:variable "name" {
default = "jira-efs"
}

variable "stage" {
default = "stage"
}

variable "namespace" {
default = "namespace"
}

variable "vpc_id" {
default = "vpc-02c0d010183c3c1ce"
}

variable "efs_mount_target_id" {
default = "fs-2c057de4"
}

variable "noncurrent_version_expiration_days" {
default = "30"
}

variable "ssh_key_pair" {}

variable "datapipeline_config" {
type = "map"
default = {
instance_type = "t2.micro"
email = ""
period = "24 hours"
timeout = "60 Minutes"
}
}`

when I launched terraform plan I got this error multiple times with all the attributes:

`Error: Missing resource instance key

on .terraform/modules/efs_backup.backups_label/outputs.tf line 2, in output "id":
2: value = "${null_resource.default.triggers.id}"

Because null_resource.default has "count" set, its attributes must be accessed
on specific instances.

For example, to correlate with indices of a referring resource, use:
null_resource.default[count.index]`

I am pretty new with terraform, so probably I am missing something, but after readinng some posts I think it could be related with the new version of terrform (I am using version 0.12).

Thank you very much for your work!

Regards

Add Example Usage

what

• Add example invocation

why

• We need this so we can soon enable automated continuous integration testing of module

Add folder path to EFS targer

Hello,

I need to make backup of folders inside EFS because EFS size is too big and takes a lot of time to make full backup. So it would be great to have option to specify targed folder in EFS. Is it possible to add path inside EFS to backup from?

I tried to add:

• in efs.tf
  data "aws_efs_mount_target_folder" "default" {
  mount_target_folder = "${var.efs_mount_target_folder}"
  }
• in variables.tf
  variable "efs_mount_target_folder" {
  type = "string"
  default = "<target_folder>"
• in cloudformation.tf
  myEFSHostFolder = "${var.efs_mount_target_folder}"
  -in templates/datapipeline.yaml
  add variable "$4" for target folder, place it after "$source":/, and add 4th scriptArgument with value "#{myEFSHostFolder}"

But got errors after "terraform plan or init" - Error: resource 'data.aws_efs_mount_target_folder.default' config: unknown variable referenced: 'efs_mount_target_folder'; define it with a 'variable' block
and
Error: resource 'aws_cloudformation_stack.datapipeline' config: unknown variable referenced: 'efs_mount_target_folder'; define it with a 'variable' block

What did I miss?
Or add please opportunity to specify folders for backup inside the EFS.

Best Regards.

Add Example Usage

what

• Add example invocation

why

• We need this so we can soon enable automated continuous integration testing of module

parameter value for parameter name myKeyPair does not exist

Hi,

I have got following the errors applying (terraform apply):

module.efs_backup.aws_cloudformation_stack.datapipeline: 1 error(s) occurred: aws_cloudformation_stack.datapipeline: ROLLBACK_COMPLETE: ["Parameter validation failed: parameter value for parameter name myKeyPair does not exist. Rollback requested by user."]

I have used the following code:

main.tf

module "efs_backup" {
source = "git::https://github.com/cloudposse/terraform-aws-efs-backup.git?ref=master"

name = "${var.name}"
stage = "${var.stage}"
namespace = "${var.namespace}"
vpc_id = "${var.vpc_id}"
efs_mount_target_id = "${var.efs_mount_target_id}"
use_ip_address = "false"
noncurrent_version_expiration_days = "${var.noncurrent_version_expiration_days}"
ssh_key_pair = "${var.ssh_key_pair}"
datapipeline_config = "${var.datapipeline_config}"
modify_security_group = "true"
}

output "efs_backup_security_group" {
value = "${module.efs_backup.security_group_id}"

terraform.tfvars

namespace = "namespace"

stage = "stage"

name = "efs-backup"

region = "eu-central-1"

vpc_id = "vpc-0123456"

efs_mount_target_id = "fsmt-0123456"

#use_ip_address = "false"

#modify_security_group = "false"

noncurrent_version_expiration_days = "35"

ssh_key_pair = ""

#datapipeline_config = "${map("instance_type", "t2.micro", "email", "", "period", "24 hours", "timeout", "60 Minutes")}"

attributes = []

tags = {}

delimiter = "-"

variables.tf

variable "name" {
type = "string"
}

variable "namespace" {
type = "string"
}

variable "stage" {
type = "string"
}

variable "region" {
type = "string"
default = ""
description = "(Optional) AWS Region. If not specified, will be derived from 'aws_region' data source"
}

variable "vpc_id" {
type = "string"
}

variable "use_ip_address" {
default = "false"
}

variable "datapipeline_config" {
type = "map"

default = {
instance_type = "t2.micro"
email = "[email protected]"
period = "24 hours"
timeout = "60 Minutes"
}
}

variable "efs_mount_target_id" {
type = "string"
description = "EFS Mount Target ID (e.g. fsmt-279bfc62)"
}

variable "modify_security_group" {
default = "false"
}

variable "ssh_key_pair" {
type = "string"
}

variable "noncurrent_version_expiration_days" {
default = "35"
}

variable "delimiter" {
type = "string"
default = "-"
description = "Delimiter to be used between name, namespace, stage, etc."
}

variable "attributes" {
type = "list"
default = []
description = "Additional attributes (e.g. efs-backup)"
}

variable "tags" {
type = "map"
default = {}
description = "Additional tags (e.g. map('BusinessUnit,XYZ)"
}

I have set the SSH Public Key in this way:

ssh_key_pair = "ssh-rsa ABCDEF123456"
but got error applying:
module.efs_backup.aws_cloudformation_stack.datapipeline: 1 error(s) occurred: aws_cloudformation_stack.datapipeline: ROLLBACK_COMPLETE: ["Parameter validation failed: parameter value ssh-rsa ABCDDEF123456 for parameter name myKeyPair does not exist. Rollback requested by user."]
then I set the variable to "", but then came the following error:
module.efs_backup.aws_cloudformation_stack.datapipeline: 1 error(s) occurred: aws_cloudformation_stack.datapipeline: ROLLBACK_COMPLETE: ["Parameter validation failed: parameter value for parameter name myKeyPair does not exist. Rollback requested by user."]

But according to documentation, this variable is optional so actually the second solution should work..

Do you have an idea how to solve it?

Thanks in advance!

Dependency Dashboard

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Repository problems

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Ignored or Blocked

These are blocked by an existing closed PR and will not be recreated unless you click a checkbox below.

• chore(deps): update terraform github.com/cloudposse/terraform-null-label to v0.25.0 (main)

Detected dependencies

terraform

cloudformation.tf

• github.com/cloudposse/terraform-null-label tags/0.3.1
• github.com/cloudposse/terraform-null-label tags/0.3.1

iam.tf

• github.com/cloudposse/terraform-null-label tags/0.3.1
• github.com/cloudposse/terraform-null-label tags/0.3.1

main.tf

• github.com/cloudposse/terraform-null-label tags/0.3.1

s3.tf

• github.com/cloudposse/terraform-null-label tags/0.3.1
• github.com/cloudposse/terraform-null-label tags/0.3.1

---

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The following resource(s) failed to create: [Topic]

Hi,

I have got following the errors applying (terraform apply):

module.efs_backup.aws_cloudformation_stack.sns: 1 error(s) occurred: aws_cloudformation_stack.sns: ROLLBACK_COMPLETE: ["The following resource(s) failed to create: [Topic]. . Rollback requested by user." "Invalid parameter: Endpoint (Service: AmazonSNS; Status Code: 400; Error Code: InvalidParameter; Request ID: 0f1e8da9-7469-5dfd-8e5e-de14ff3509fa)"]

and afterwards applying it once again pops up the following:

module.efs_backup.aws_cloudformation_stack.datapipeline: 1 error(s) occurred: module.efs_backup.aws_cloudformation_stack.datapipeline: At column 39, line 1: map "aws_cloudformation_stack.sns.outputs" does not have any elements so cannot determine type. in: ${aws_cloudformation_stack.sns.outputs["TopicArn"]}

I have used the following code:

main.tf

module "efs_backup" {
source = "git::https://github.com/cloudposse/terraform-aws-efs-backup.git?ref=master"

name = "${var.name}"
stage = "${var.stage}"
namespace = "${var.namespace}"
vpc_id = "${var.vpc_id}"
efs_mount_target_id = "${var.efs_mount_target_id}"
use_ip_address = "false"
noncurrent_version_expiration_days = "${var.noncurrent_version_expiration_days}"
ssh_key_pair = "${var.ssh_key_pair}"
datapipeline_config = "${var.datapipeline_config}"
modify_security_group = "true"
}

output "efs_backup_security_group" {
value = "${module.efs_backup.security_group_id}"

terraform.tfvars

namespace = "namespace"

stage = "stage"

name = "efs-backup"

region = "eu-central-1"

vpc_id = "vpc-0123456"

efs_mount_target_id = "fsmt-0123456"

#use_ip_address = "false"

#modify_security_group = "false"

noncurrent_version_expiration_days = "35"

ssh_key_pair = "ssh-rsa key"

#datapipeline_config = "${map("instance_type", "t2.micro", "email", "", "period", "24 hours", "timeout", "60 Minutes")}"

attributes = []

tags = {}

delimiter = "-"

variables.tf

variable "name" {
type = "string"
}

variable "namespace" {
type = "string"
}

variable "stage" {
type = "string"
}

variable "region" {
type = "string"
default = ""
description = "(Optional) AWS Region. If not specified, will be derived from 'aws_region' data source"
}

variable "vpc_id" {
type = "string"
}

variable "use_ip_address" {
default = "false"
}

variable "datapipeline_config" {
type = "map"

default = {
instance_type = "t2.micro"
email = ""
period = "24 hours"
timeout = "60 Minutes"
}
}

variable "efs_mount_target_id" {
type = "string"
description = "EFS Mount Target ID (e.g. fsmt-279bfc62)"
}

variable "modify_security_group" {
default = "false"
}

variable "ssh_key_pair" {
type = "string"
}

variable "noncurrent_version_expiration_days" {
default = "35"
}

variable "delimiter" {
type = "string"
default = "-"
description = "Delimiter to be used between name, namespace, stage, etc."
}

variable "attributes" {
type = "list"
default = []
description = "Additional attributes (e.g. efs-backup)"
}

variable "tags" {
type = "map"
default = {}
description = "Additional tags (e.g. map('BusinessUnit,XYZ)"
}

Do you have maybe an idea how to solve it?

Thanks in advance!