cluster.py 文件源码

def get_hacluster_config(exclude_keys=None):
    '''
    Obtains all relevant configuration from charm configuration required
    for initiating a relation to hacluster:

        ha-bindiface, ha-mcastport, vip

    param: exclude_keys: list of setting key(s) to be excluded.
    returns: dict: A dict containing settings keyed by setting name.
    raises: HAIncompleteConfig if settings are missing.
    '''
    settings = ['ha-bindiface', 'ha-mcastport', 'vip']
    conf = {}
    for setting in settings:
        if exclude_keys and setting in exclude_keys:
            continue

        conf[setting] = config_get(setting)
    missing = []
    [missing.append(s) for s, v in six.iteritems(conf) if v is None]
    if missing:
        log('Insufficient config data to configure hacluster.', level=ERROR)
        raise HAIncompleteConfig
    return conf