variables.tf

# ===================================
# Manage volumes in the Hetzner Cloud
# ===================================


# ---------------
# Input Variables
# ---------------

variable "volumes" {
  description = "The list of volume objects to be managed. Each volume object supports the following parameters: 'name' (string, required), 'location' (string, required), 'size' (number, required), 'format' (string, optional), 'protection' (bool, optional), 'server' (server object, optional), 'labels' (map of KV pairs, optional). The server object supports the following parameters: 'name' (string, required), 'id' (string, required), 'automount' (bool, optional)."

  type        = list(
    object({
      name       = string
      location   = string
      size       = number
      format     = string
      protection = bool
      server     = object({
        name      = string
        id        = string
        automount = bool
      })
      labels     = map(string)
    })
  )

  default     = [
    {
      name       = "volume-nbg1-1"
      location   = "nbg1"
      size       = 10
      automount  = false
      format     = "xfs"
      protection = false
      server     = null
      labels     = {}
    }
  ]

  validation {
    condition     = can([
      for volume in var.volumes : regex("\\w+", volume.name)
    ])
    error_message = "All volumes must have a valid 'name' attribute specified."
  }

  validation {
    condition     = can([
      for volume in var.volumes : regex("\\w+", volume.location)
    ])
    error_message = "All volumes must have a valid 'location' attribute specified."
  }

  validation {
    condition     = can([
      for volume in var.volumes : regex("\\d+", volume.size)
    ])
    error_message = "All volumes must have a valid 'size' attribute specified."
  }
}