Hello experts,
I have an issue when operating cisco XR with flask and YDK-PY, my goal is to set up a http server with flask, in the http server, call the YDK-PY api to operate the router.
Note: the below code was running in the docker env where the image was download from the YDK offical site.
below is my code:
import logging
from datetime import timedelta
# import providers, services and models
from flask import Flask
from ydk.services import CRUDService
from ydk.providers import NetconfServiceProvider
from ydk.models.cisco_ios_xr import Cisco_IOS_XR_shellutil_oper as xr_shellutil_oper
def enable_logging(level):
log = logging.getLogger('ydk')
log.setLevel(level)
handler = logging.StreamHandler()
formatter = logging.Formatter(("%(asctime)s - %(name)s - %(levelname)s - %(message)s"))
handler.setFormatter(formatter)
log.addHandler(handler)
app = Flask(__name__)
@app.route('/time')
def time():
enable_logging(logging.INFO)
# create NETCONF session
provider = NetconfServiceProvider(address="192.168.122.169",
port=830,
username="admin",
password="admin",
protocol="ssh")
# create CRUD service
crud = CRUDService()
# create system time object
system_time = xr_shellutil_oper.SystemTime()
# read system time from device
system_time = crud.read(provider, system_time)
# print system uptime
print("System '%s' uptime is "%system_time.uptime.host_name +
str(timedelta(seconds=system_time.uptime.uptime)))
if __name__ == "__main__":
"""Main execution path"""
# time()
app.run(host="0.0.0.0", debug=True)with above code, when I call the http request http://localhost:5000/time with postman, then the code is stuck as below log shows:
*********************************************************
but when I uncomment the time() in the code, which means call time() in main, it could run successfully, not stuck. see the logs below:
Do you have any idea about this ? thanks very much.
