google_redis_instance - auth_string

[drandell]

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Terraform Version

Affected Resource(s)

• google_redis_instance

Terraform Configuration Files

auth_string according to the docs can be populated but its generated by GCP. So this should be output only in the docs. https://registry.terraform.io/providers/hashicorp/google/latest/docs/resources/redis_instance

References

• #0000

[edwardmedia]

@drandell I agreed auth_string should be in the exported section. Because this is a specially handled field, currently the code generation tool does not support adding a field like this into the exported section. As this is only for the doc, changing the label to documentation

https://github.com/GoogleCloudPlatform/magic-modules/blob/70352381f79e67152922421649d1b48cdacf8fe9/mmv1/products/redis/terraform.yaml#L18

https://github.com/GoogleCloudPlatform/magic-modules/blob/70352381f79e67152922421649d1b48cdacf8fe9/mmv1/templates/terraform/resource.html.markdown.erb#L156

[drandell]

If I get some time this week I might make the PR for this, agree wrong label :)

[jlenuffgsoi]

Here is the google_redis_instance documentation from the Argument Reference section :

auth_string - (Optional) AUTH String set on the instance. This field will only be populated if auth_enabled is true.

Then, here I wrote this Terraform code :

resource "google_redis_instance" "main" {
  name               = "memory-cache"
  memory_size_gb     = var.redis_memory
  display_name       = "memory-cache"
  auth_enabled       = "true"
  auth_string        = var.redis_auth
  authorized_network = data.google_compute_network.shared_vpc.id
  connect_mode       = "PRIVATE_SERVICE_ACCESS"
  region             = local.region
  maintenance_policy {
    weekly_maintenance_window {
      day = "TUESDAY"
      start_time {
        hours   = 1
        minutes = 0
      }
    }
  }
  depends_on = [
    google_project_service.memorystore_redis
  ]
}

Finally, this is the error message I encounter :

╷
│ Error: Value for unconfigurable attribute
│
│   with google_redis_instance.main,
│   on redis.tf line 6, in resource "google_redis_instance" "main":
│    6:   auth_string        = var.redis_auth
│
│ Can't configure a value for "auth_string": its value will be decided automatically based on the result of applying this configuration.
╵

Thanks.

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