Terraform Crash when no certificate_permissions present

[civascu]

For an older tf file that creates a KeyVault but does not specify a certificate_permissions key, tf crashes when trying to compute the plan.

Since the certificate_permissions node is a new one, and optional, this should work. In addition, even having a node will fail when the count of permissions for the key and certificates is different, due to a code bug - it uses the Permissions.Keys property to compute the list of permissions for the certificates

Terraform Version

Terraform v0.10.5

Affected Resource(s)

• azurerm_key_vault

Terraform Configuration Files

Excerpt from a larger .tf file:

resource "azurerm_key_vault" "test-kv" {
  location = "southeastasia"
  name = "test-kv"
  resource_group_name = "kv-group"
  "sku" {
    name = "standard"
  }
  tenant_id = "${data.azurerm_client_config.current.tenant_id}"
  
  access_policy {
    key_permissions = ["encrypt"]
    object_id = "${var.sp_obj_id}"
    secret_permissions = ["get"]
    tenant_id = "${data.azurerm_client_config.current.tenant_id}"
  }
}

Debug Output

Panic Output

https://gist.github.com/civascu/4d0151574944503a0c2d25da6b6ec850

Expected Behavior

terraform plan to complete

Actual Behavior

Terraform crash

Steps to Reproduce

Please list the steps required to reproduce the issue, for example:

1. terraform plan

Important Factoids

References

PR that fixes the issue: #374

[tombuildsstuff]

Fixed via #374 (thanks for this issue + sending the PR to fix it 😄)

[ghost]

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