Ensure pagerduty user exists.
    Arguments match those supported by
    https://developer.pagerduty.com/documentation/rest/users/create.

def present(profile='pagerduty', subdomain=None, api_key=None, **kwargs):
    '''
    Ensure pagerduty user exists.
    Arguments match those supported by
    https://developer.pagerduty.com/documentation/rest/users/create.
    '''
    return __salt__['pagerduty_util.resource_present']('users',
                                                       ['email', 'name', 'id'],
                                                       None,
                                                       profile,
                                                       subdomain,
                                                       api_key,
                                                       **kwargs)