efs.tf

/*This will create EFS in bursting mode.The mode can be changed as per the requirement*/
resource "aws_efs_file_system" "elastic_file_system" {
  creation_token = var.creation_token

  lifecycle_policy {
    transition_to_ia = "AFTER_30_DAYS"
  }
  encrypted        = var.encryption_set
  kms_key_id       = aws_kms_key.kms_key_efs.arn
  performance_mode = var.performance_mode
  throughput_mode  = var.throughput_mode
}

# Define the EFS mount target (optional).Added the count logic to ensure that mount targets are created only if subnet is provided and also to create multiple mount targets when using multi-AZ
resource "aws_efs_mount_target" "efs_mount_target" {
  count           = length(var.subnet_id)
  file_system_id  = aws_efs_file_system.elastic_file_system.id
  subnet_id       = var.subnet_id[count.index]
  security_groups = var.security_groups
}
# KMS Key for EFS
resource "aws_kms_key" "kms_key_efs" {
  description         = "KMS key for EFS"
  enable_key_rotation = true
}