hookenv.py 文件源码

def leader_set(settings=None, **kwargs):
    """Juju leader set value(s)"""
    # Don't log secrets.
    # log("Juju leader-set '%s'" % (settings), level=DEBUG)
    cmd = ['leader-set']
    settings = settings or {}
    settings.update(kwargs)
    for k, v in settings.items():
        if v is None:
            cmd.append('{}='.format(k))
        else:
            cmd.append('{}={}'.format(k, v))
    subprocess.check_call(cmd)