def get_size(vm_):
    vm_size = config.get_cloud_config_value('size', vm_, __opts__)
    sizes = avail_sizes()

    if not vm_size:
        return sizes[0]

    for size in sizes:
        if vm_size and str(vm_size) in (str(sizes[size]['id']), str(size)):
            return sizes[size]
    raise SaltCloudNotFound(
        'The specified size, \'{0}\', could not be found.'.format(vm_size)
    )
Return the VM's size object
dataset/ETHPy150Open saltstack/salt/salt/cloud/clouds/profitbricks.py/get_size