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# Variables ====================================================================
variable "tags" {
description = "Tags applied to all resources in this module."
type = map(string)
default = {}
}
variable "name" {
description = "Name used for the filesystem and derived resource names."
type = string
}
variable "subnet_ids" {
description = <<-EOT
Subnet IDs for the filesystem.
Single-element list for SINGLE_AZ_2. Two-element list (preferred + standby) for MULTI_AZ_1.
EOT
type = list(string)
}
variable "vpc_id" {
description = "VPC ID in which the FSx security group will be created."
type = string
}
variable "allowed_security_group_ids" {
description = "Security group IDs permitted to mount the filesystem (SMB port 445)."
type = list(string)
default = []
}
variable "allowed_cidr_blocks" {
description = "CIDR blocks permitted to mount the filesystem (SMB port 445). Use sparingly — prefer SG references."
type = list(string)
default = []
}
# Storage ----------------------------------------------------------------------
variable "storage_capacity_gb" {
description = "Storage capacity in GiB. Minimum 32 for SSD, 2000 for HDD."
type = number
}
variable "storage_type" {
description = "Storage type: SSD or HDD."
type = string
default = "SSD"
# HDD is only supported with MULTI_AZ_1 and SINGLE_AZ_2 at >= 2000 GiB.
validation {
condition = contains(["SSD", "HDD"], var.storage_type)
error_message = "storage_type must be 'SSD' or 'HDD'."
}
}
variable "throughput_capacity_mbps" {
description = <<-EOT
Throughput capacity in MB/s. Must be one of the FSx-valid values:
8, 16, 32, 64, 128, 256, 512, 1024, 2048.
EOT
type = number
validation {
condition = contains([8, 16, 32, 64, 128, 256, 512, 1024, 2048], var.throughput_capacity_mbps)
error_message = "throughput_capacity_mbps must be one of: 8, 16, 32, 64, 128, 256, 512, 1024, 2048."
}
}
# Deployment -------------------------------------------------------------------
variable "deployment_type" {
description = "FSx deployment type: SINGLE_AZ_2 or MULTI_AZ_1."
type = string
default = "MULTI_AZ_1"
validation {
condition = contains(["SINGLE_AZ_2", "MULTI_AZ_1"], var.deployment_type)
error_message = "deployment_type must be 'SINGLE_AZ_2' or 'MULTI_AZ_1'."
}
}
variable "preferred_subnet_id" {
description = <<-EOT
Preferred subnet ID for the primary file server in MULTI_AZ_1 deployments.
Defaults to the first entry in subnet_ids if not explicitly provided.
Ignored for SINGLE_AZ_2.
EOT
type = string
default = null
}
# Active Directory -------------------------------------------------------------
variable "active_directory" {
description = <<-EOT
Self-managed Active Directory configuration.
Credentials (username, password) must be sourced from Secrets Manager or SSM
by the caller — pass resolved strings, never literals in tfvars.
EOT
type = object({
domain_name = string
dns_ips = list(string)
username = string
password = string
organizational_unit_distinguished_name = optional(string)
file_system_administrators_group = optional(string, "Domain Admins")
})
}
# Encryption -------------------------------------------------------------------
variable "kms_key_id" {
description = "KMS key ARN for at-rest encryption. Omit to use the AWS-managed key (aws/fsx)."
type = string
default = null
}
# Backups ----------------------------------------------------------------------
variable "automatic_backup_retention_days" {
description = "Number of days to retain automatic backups. 0 disables backups."
type = number
default = 7
validation {
condition = var.automatic_backup_retention_days >= 0 && var.automatic_backup_retention_days <= 90
error_message = "automatic_backup_retention_days must be between 0 and 90."
}
}
variable "daily_automatic_backup_start_time" {
description = "Daily backup window in HH:MM format (UTC). Example: '02:00'."
type = string
default = "02:00"
validation {
condition = can(regex("^([01]\\d|2[0-3]):[0-5]\\d$", var.daily_automatic_backup_start_time))
error_message = "daily_automatic_backup_start_time must be in HH:MM format (UTC), e.g. '02:00'."
}
}
variable "copy_tags_to_backups" {
description = "Whether to copy module tags to automatic and manual backups."
type = bool
default = true
}
# Maintenance ------------------------------------------------------------------
variable "weekly_maintenance_start_time" {
description = <<-EOT
Weekly maintenance window in 'd:HH:MM' format (UTC).
d = day of week: 1 (Mon) through 7 (Sun). Example: '7:03:00' = Sunday 03:00 UTC.
EOT
type = string
default = "7:03:00"
validation {
condition = can(regex("^[1-7]:([01]\\d|2[0-3]):[0-5]\\d$", var.weekly_maintenance_start_time))
error_message = "weekly_maintenance_start_time must be in 'd:HH:MM' format, e.g. '7:03:00'."
}
}
# Aliases ----------------------------------------------------------------------
variable "dns_aliases" {
description = "List of DNS alias FQDNs to associate with the filesystem."
type = list(string)
default = []
}
# Audit ------------------------------------------------------------------------
variable "audit_log_destination_arn" {
description = <<-EOT
ARN of the CloudWatch Logs log group or Kinesis Firehose delivery stream
to receive FSx audit logs. Null disables audit logging.
EOT
type = string
default = null
}
variable "file_access_audit_log_level" {
description = "Audit level for file access events: DISABLED, SUCCESS_ONLY, FAILURE_ONLY, SUCCESS_AND_FAILURE."
type = string
default = "DISABLED"
validation {
condition = contains(["DISABLED", "SUCCESS_ONLY", "FAILURE_ONLY", "SUCCESS_AND_FAILURE"], var.file_access_audit_log_level)
error_message = "file_access_audit_log_level must be one of: DISABLED, SUCCESS_ONLY, FAILURE_ONLY, SUCCESS_AND_FAILURE."
}
}
variable "file_share_access_audit_log_level" {
description = "Audit level for file share access events: DISABLED, SUCCESS_ONLY, FAILURE_ONLY, SUCCESS_AND_FAILURE."
type = string
default = "DISABLED"
validation {
condition = contains(["DISABLED", "SUCCESS_ONLY", "FAILURE_ONLY", "SUCCESS_AND_FAILURE"], var.file_share_access_audit_log_level)
error_message = "file_share_access_audit_log_level must be one of: DISABLED, SUCCESS_ONLY, FAILURE_ONLY, SUCCESS_AND_FAILURE."
}
}
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