Short script to test whether an Azure region has availability zone support.

azure_region_has_az_support.rb

#!/usr/bin/env ruby

require 'azure_mgmt_compute'

Compute = Azure::Compute::Profiles::Latest::Mgmt

def generate_client
  subscription_id = ENV['AZURE_SUBSCRIPTION_ID'] # your Azure Subscription Id
  provider = MsRestAzure::ApplicationTokenProvider.new(
      ENV['AZURE_TENANT_ID'],
      ENV['AZURE_CLIENT_ID'],
      ENV['AZURE_CLIENT_SECRET'])
  credentials = MsRest::TokenCredentials.new(provider)

  options = {
      credentials: credentials,
      subscription_id: subscription_id
  }

  return compute_client = Compute::Client.new(options)
end

def has_az_availability(compute_client, region)
  skus_res = compute_client.resource_skus.list()
  zones_number = skus_res.select{|x| x.name == "Standard_DS1_v2"}.select{|x| x.locations.include? region}[0].location_info[0].zones.size
  return zones_number != 0
end

if $0 == __FILE__
  region == "eastus2"
  has_az_availability(generate_client, region)
end