def rax_argument_spec():
    """Return standard base dictionary used for the argument_spec
    argument in AnsibleModule

    """
    return dict(api_key=dict(type='str', aliases=['password'], no_log=True),
        auth_endpoint=dict(type='str'), credentials=dict(type='path',
        aliases=['creds_file']), env=dict(type='str'), identity_type=dict(
        type='str', default='rackspace'), region=dict(type='str'),
        tenant_id=dict(type='str'), tenant_name=dict(type='str'), username=
        dict(type='str'), validate_certs=dict(type='bool', aliases=[
        'verify_ssl']))
