Awesome

AWS EFS Terraform module

Terraform module which creates AWS EFS (elastic file system) resources.

Usage

See examples directory for working examples to reference:

module "efs" {
  source = "terraform-aws-modules/efs/aws"

  # File system
  name           = "example"
  creation_token = "example-token"
  encrypted      = true
  kms_key_arn    = "arn:aws:kms:eu-west-1:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab"

  # performance_mode                = "maxIO"
  # NB! PROVISIONED TROUGHPUT MODE WITH 256 MIBPS IS EXPENSIVE ~$1500/month
  # throughput_mode                 = "provisioned"
  # provisioned_throughput_in_mibps = 256

  lifecycle_policy = {
    transition_to_ia = "AFTER_30_DAYS"
  }

  # File system policy
  attach_policy                      = true
  bypass_policy_lockout_safety_check = false
  policy_statements = [
    {
      sid     = "Example"
      actions = ["elasticfilesystem:ClientMount"]
      principals = [
        {
          type        = "AWS"
          identifiers = ["arn:aws:iam::111122223333:role/EfsReadOnly"]
        }
      ]
    }
  ]

  # Mount targets / security group
  mount_targets = {
    "eu-west-1a" = {
      subnet_id = "subnet-abcde012"
    }
    "eu-west-1b" = {
      subnet_id = "subnet-bcde012a"
    }
    "eu-west-1c" = {
      subnet_id = "subnet-fghi345a"
    }
  }
  security_group_description = "Example EFS security group"
  security_group_vpc_id      = "vpc-1234556abcdef"
  security_group_rules = {
    vpc = {
      # relying on the defaults provdied for EFS/NFS (2049/TCP + ingress)
      description = "NFS ingress from VPC private subnets"
      cidr_blocks = ["10.99.3.0/24", "10.99.4.0/24", "10.99.5.0/24"]
    }
  }

  # Access point(s)
  access_points = {
    posix_example = {
      name = "posix-example"
      posix_user = {
        gid            = 1001
        uid            = 1001
        secondary_gids = [1002]
      }

      tags = {
        Additionl = "yes"
      }
    }
    root_example = {
      root_directory = {
        path = "/example"
        creation_info = {
          owner_gid   = 1001
          owner_uid   = 1001
          permissions = "755"
        }
      }
    }
  }

  # Backup policy
  enable_backup_policy = true

  # Replication configuration
  create_replication_configuration = true
  replication_configuration_destination = {
    region = "eu-west-2"
  }

  tags = {
    Terraform   = "true"
    Environment = "dev"
  }
}

Examples

Examples codified under the examples are intended to give users references for how to use the module(s) as well as testing/validating changes to the source code of the module. If contributing to the project, please be sure to make any appropriate updates to the relevant examples to allow maintainers to test your changes and to keep the examples up to date for users. Thank you!

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License

Apache-2.0 Licensed. See LICENSE.