virtual_machine = compute.servers.create(
    name: '<vm_name>',
    location: '<location>',
    resource_group: '<resource_group_name>',
    vm_size: 'Standard_DS2',
    storage_account_name: storage_account_name,
    username: 'testuser',
    password: 'Confiz=123',
    disable_password_authentication: false,
    network_interface_card_ids: ['<network_interface_card_id>'],
    publisher: 'Canonical',
    offer: 'UbuntuServer',
    sku: '14.04.2-LTS',
    version: 'latest',
    platform: 'linux',
    os_disk_caching: Fog::ARM::Compute::Models::CachingTypes::None,
    managed_disk_storage_type: Azure::ARM::Compute::Models::StorageAccountTypes::PremiumLRS
)