HC-vault-personal/variables.tf

# === General ===

variable "resource_name_prefix" {
  type        = string
  description = "Resource name prefix used for tagging and naming AWS resources"
  default = "vault"
}

variable "vault_version" {
  type        = string
  description = "Vault version"
  default = "1.15.5"
}

variable "aws_region" {
  type        = string
  description = "AWS region where Vault will be deployed"
  default = "eu-north-1"
}

variable "aws_profile" {
  type        = string
  description = "The AWS Profile to use for this project."
  default = "tf_dev"
}

variable "key_name" {
  type        = string
  default     = "Vault"
  description = "(Optional) key pair to use for SSH access to instance"
}

variable "common_tags" {
  type        = map(string)
  description = "(Optional) Map of common tags for all taggable AWS resources."
  default     = {
    "project" = "vault"
  }
}

# === config ===

variable "instance_type" {
  type        = string
  description = "The instance type to use for Vault nodes"
  default     = "t3.micro"
}
variable "additional_lb_target_groups" {
  type        = list(string)
  description = "(Optional) List of load balancer target groups to associate with the Vault cluster. These target groups are _in addition_ to the LB target group this module provisions by default."
  default     = []
}

variable "lb_type" {
  description = "The type of load balancer to provision; network or application."
  type        = string
  default     = "application"

  validation {
    condition     = contains(["application", "network"], var.lb_type)
    error_message = "The variable lb_type must be one of: application, network."
  }
}

variable "node_count" {
  type        = number
  description = "**Required** Number of Vault nodes to deploy in ASG"
  default     = 2
}

# === user supplied variables ===

variable "user_supplied_ami_id" {
  type        = string
  description = "**Required** User-provided AMI ID to use with Vault instances. If you provide this value, please ensure it will work with the default userdata script (assumes latest version of Ubuntu LTS). Otherwise, please provide your own userdata script using the user_supplied_userdata_path variable."
  default     = "ami-0506d6d51f1916a96"
}

variable "user_supplied_iam_role_name" {
  type        = string
  description = "**Required** User-provided IAM role name. This will be used for the instance profile provided to the AWS launch configuration. The minimum permissions must match the defaults generated by the IAM submodule for cloud auto-join and auto-unseal."
  default     = null
}

variable "user_supplied_kms_key_arn" {
  type        = string
  description = "**Required** User-provided KMS key ARN. Providing this will disable the KMS submodule from generating a KMS key used for Vault auto-unseal"
  default     = null
}

variable "user_supplied_userdata_path" {
  type        = string
  description = "**Required** File path to custom userdata script being supplied by the user"
  default     = "./temp/userdata.sh"
}

# === VPC ===

variable "allowed_inbound_cidrs_lb" {
  type        = list(string)
  description = "**Required** CIDR blocks to allow inbound traffic to the load balancer"
  default     = ["0.0.0.0/0"]
}

variable "allowed_inbound_cidrs_ssh" {
  type        = list(string)
  description = "**Required** CIDR blocks to allow inbound SSH traffic to the Vault instances"
  default     = ["0.0.0.0/0"]
}

# === Certs ===
variable "ssl_policy" {
  type        = string
  description = "**Required** The SSL policy to use for the load balancer"
  default     = "ELBSecurityPolicy-TLS-1-2-2017-01"
}

variable "lb_health_check_path" {
  type        = string
  description = "The endpoint to check for Vault's health status."
  default     = "/v1/sys/health?activecode=200&standbycode=200&sealedcode=200&uninitcode=200"
}

variable "kms_key_deletion_window" {
  type        = number
  default     = 7
  description = "**Required**Duration in days after which the key is deleted after destruction of the resource (must be between 7 and 30 days)."
}

# === Supplied by ./modules/vpc-secrets ===

variable "secrets_manager_arn" {
  type        = string
  description = "**Supplied by module/vpc-secrets** **Required** Secrets manager ARN where TLS cert info is stored"
}

variable "leader_tls_servername" {
  type        = string
  description = "**Supplied by module/vpc-secrets** **Required** One of the shared DNS SAN used to create the certs use for mTLS"
}

variable "lb_certificate_arn" {
  type        = string
  description = "**Supplied by module/vpc-secrets** **Required** ARN of TLS certificate imported into ACM for use with LB listener"
}

variable "vpc_id" {
  type        = string
  description = "**Supplied by module/vpc-secrets** **Required** VPC ID where Vault will be deployed"
}

variable "private_subnet_ids" {
  type        = list(string)
  description = "**Supplied by module/vpc-secrets** **Required** Subnet IDs to deploy Vault into"
}