ca_impl_cfssl.py 文件源码

def start_cfssl(cmdline=""):
    global cfsslproc
    cmd = "cfssl serve -loglevel=1 %s "%cmdline
    env = os.environ.copy()
    env['PATH']=env['PATH']+":/usr/local/bin"

    # make sure cfssl isn't running
    os.system('pkill -f cfssl')

    cfsslproc = subprocess.Popen(cmd,env=env,shell=True,stdout=subprocess.PIPE,stderr=subprocess.STDOUT,universal_newlines=True)
    if cfsslproc.returncode is not None:
        raise Exception("Unable to launch %: failed with code "%(cmd,cfsslproc.returncode))

    logger.debug("Waiting for cfssl to start...")
    while True:
        line = cfsslproc.stdout.readline()
        if "Now listening on" in line:
            break
    time.sleep(0.2)# give cfssl a little more time to get started
    logger.debug("cfssl started successfully")