azurerm_storage_container: name does not support "$root"

[joaocc]

Terraform Version

Terraform v0.7.3

Affected Resource(s)

• azurerm_storage_container

Terraform Configuration Files

resource "azurerm_resource_group" "this_rg" {
    name     = "my_rg_51BD"

    location = "North Europe"

    tags {
        environment = "dev"
    }
}
resource "azurerm_storage_account" "this_store" {

    name = "my_acct_StZbxW0k8eR"
    resource_group_name = "${azurerm_resource_group.this_rg.name}"

    location = "North Europe"
    account_type = "Standard_GRS"

    tags {
        environment = "dev"
    }
}
resource "azurerm_storage_container" "this_store_root" {
    name = "$root"
    resource_group_name  = "${azurerm_resource_group.this_rg.resource_group_name}"
    storage_account_name = "${azurerm_storage_account.this_store.name}"
    container_access_type = "blob"
}

Expected Behavior

A container with name "$root" should have been created, as per the link below
https://msdn.microsoft.com/en-us/library/azure/hh488356.aspx

Actual Behavior

terraform plan -detailed-exitcode /opt/src/tf/tf-jnISzGdN8Sjc0keGxtEm
There are warnings and/or errors related to your configuration. Please
fix these before continuing.

Errors:

• azurerm_storage_container.this_store_root: only lowercase alphanumeric characters and hyphens allowed in "name": "$root"

Steps to Reproduce

terraform plan

[ghost]

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