For Azure a service principal is required which can be created by following the steps in the provider documentation.

  1. Azurerm Creating a Service Principal NEWWIN

  2. In Scalr in the “Add Credentials” dialogue select Azure

  3. Enter the Client ID (appId), Secret Key (password) and Tenant ID (tenant) from the output of create-for-rbac. Click Save

Example output from create-for-rbac

  "appId": "c5f583b2-xxxx-xxxx-xxxx-baa93d369f1b",
  "displayName": "azure-cli-2020-04-21-07-39-09",
  "name": "http://azure-cli-2020-04-21-07-39-09",
  "password": "2458ffd6-xxxx-xxxx-xxxx-3b9f3964ab67",
  "tenant": "8ad9e98e-xxxx-xxxx-xxxx-7969b23753d4"

Add them into Scalr through the provider:

resource "scalr_provider_configuration" "azurerm" {
  name              = "azurerm"
  account_id        = "acc-xxxxxxxxx"
  azurerm {
    client_id       = "my-client-id"
    client_secret   = "my-client-secret"
    subscription_id = "my-subscription-id"
    tenant_id       = "my-tenant-id"

The above is an example, please see the full provider documentation here.