Problem with map(map(string)) in variable

Question

I'm trying to use this module for Terraform: Artifact Registry module. I have a variable for Terraform of the following construct.

variable "repositories" {
description = "Repositories setup."
type = object({
  owner        = string
  location     = string
  format       = string
  description  = string
  roles        = map(map(string))
  labels       = map(string)
  kms_key_name = string
})
default = {
  activerepo = {
    owner = "eric@xxxxxx"
    location = "asia-east1"
    format = "DOCKER"
    description = "Docker repository"
    roles = [{
      members = "mark@xxxxxx"
      role = "artifactregistry.admin"
      },
    ]
    labels = null
    kms_key_name = null
    }
  }
}

When I run terraform plan I get the below output:

│ Error: Invalid default value for variable
│ 
│   on variables.tf line 59, in variable "repositories":
│   59:   default = {
│   60:     activeops = {
│   61:       owner = "eric@xxxxxxx"
│   62:       location = "asia-east1"
│   63:       format = "DOCKER"
│   64:       description = "Docker repository"
│   65:       roles = [{
│   66:         members = "mark@xxxxxxxx"
│   67:         role = "artifactregistry.admin"
│   68:       },
│   69:       ]
│   70:       labels = null
│   71:       kms_key_name = null
│   72:     }
│   73:   }
│ 
│ This default value is not compatible with the variable's type constraint: attributes
  "description", "format", "kms_key_name", "labels", "location", "owner", and "roles"
  are required.

What am I doing wrong here? Any help is greatly appreciated.

Thanks in advance.

Eric.

How did it go? The issue still persist?

Marcin
– Marcin

2021-06-11 10:12:10 +00:00
Commented Jun 11, 2021 at 10:12 — Marcin
– Marcin, Commented Jun 11, 2021 at 10:12

Marcin · Accepted Answer · 2021-06-09 01:38:25Z

1

Your default value is a map of objects, not an object. Also your roles is a list of maps, not a map of maps. So it should be:

variable "repositories" {

  description = "Repositories setup."
  
  type = map(object({
    owner        = string
    location     = string
    format       = string
    description  = string
    roles        = list(map(string))
    labels       = map(string)
    kms_key_name = string
  }))
  
  default = {
    activerepo = {
      owner = "eric@xxxxxx"
      location = "asia-east1"
      format = "DOCKER"
      description = "Docker repository"
      roles = [{
        members = "mark@xxxxxx"
        role = "artifactregistry.admin"
        },
      ]
      labels = null
      kms_key_name = null
      }
    }
}

UPDATE

If you want to adjust default value to the type it should be:

variable "repositories" {

  description = "Repositories setup."
  
  type = object({
    owner        = string
    location     = string
    format       = string
    description  = string
    roles        = map(map(string))
    labels       = map(string)
    kms_key_name = string
  })
  
  default = {
      owner = "eric@xxxxxx"
      location = "asia-east1"
      format = "DOCKER"
      description = "Docker repository"
      roles = {
          myrole= {          
           members = "mark@xxxxxx"
           role = "artifactregistry.admin"
        }},
      labels = null
      kms_key_name = null
    }
}

edited Jun 9, 2021 at 1:38

answered Jun 9, 2021 at 1:16

Marcin

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4 Comments

Eric V. Over a year ago

Thank you for your reply but throws the same error. I think the module does expect a map of maps as that's in the example but I don't know how to reflect that in the roles section..

Marcin Over a year ago

@EricV. I updated the answer with the oposite change - update default value to match type.

Marcin Over a year ago

@EricV. How did it go? Did the updated answer worked?

Eric V. Over a year ago

sorry for the late reply. This worked following the updated value. Thank you a million.

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