variables.tf

variable "aws_region" {
  description = "AWS region to deploy into. Lambda + scheduler must share this region/VPC."
  type        = string
  default     = "us-west-2"
}

variable "project_name" {
  description = "Prefix used for naming all resources."
  type        = string
  default     = "dask-lambda"
}

variable "vpc_cidr" {
  description = "CIDR block for the VPC that hosts the scheduler and Lambda workers."
  type        = string
  default     = "10.60.0.0/16"
}

variable "scheduler_cpu" {
  description = "Fargate CPU units for the Dask scheduler task (1024 = 1 vCPU)."
  type        = number
  default     = 1024
}

variable "scheduler_memory" {
  description = "Fargate memory (MiB) for the Dask scheduler task."
  type        = number
  default     = 2048
}

variable "scheduler_image_tag" {
  description = "Image tag for the Dask scheduler container in ECR."
  type        = string
  default     = "latest"
}

variable "worker_image_tag" {
  description = "Image tag for the Lambda worker container in ECR."
  type        = string
  default     = "latest"
}

variable "worker_memory" {
  description = "Memory (MB) for each Lambda worker. Drives CPU allocation too."
  type        = number
  default     = 3008
}

variable "worker_timeout" {
  description = "Max seconds a Lambda worker runs before AWS kills it (hard ceiling 900)."
  type        = number
  default     = 900
}

variable "worker_lifetime_seconds" {
  description = "Soft lifetime passed to `dask worker --lifetime`; must be < worker_timeout so the worker retires gracefully before Lambda kills it."
  type        = number
  default     = 840
}

variable "max_workers" {
  description = "Upper bound on concurrent Lambda workers the scaling agent may spawn."
  type        = number
  default     = 50
}

variable "scaling_interval" {
  description = "EventBridge schedule expression driving the scaling agent."
  type        = string
  default     = "rate(1 minute)"
}