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[OpenStack Infra <2009956@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/c/openstack/nova/+/878080
Committed: https://opendev.org/openstack/nova/commit/23c345d61da7d0b763fd04db8259fbd6cfe1ec53
Submitter: "Zuul (22348)"
Branch:    master

commit 23c345d61da7d0b763fd04db8259fbd6cfe1ec53
Author: Elod Illes <elod.illes@xxxxxxxx>
Date:   Tue Mar 21 15:23:06 2023 +0100

    Update serial console example client for py3
    
    A very limited and minimal serial console example client code exists
    in the documentation [1] for testing purposes. This code was not
    updated to python 3. This patch updates the example code to be python3
    compatible.
    
    [1] https://docs.openstack.org/nova/latest/contributor/testing/serial-console.html#testing-the-api
    
    Closes-Bug: #2009956
    Change-Id: If6617f169d1221b4c43938bdfd37207d079cc7da


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/2009956

Title:
  devstack:  Nova serialproxy does not work

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  Steps to reproduce
  ==================
  1. Install devstack with enable_service n-sproxy
  2. Make sure /usr/local/bin/nova-serialproxy is running after devstack is installed.
  3. Create server from cirros image
  4. nova get-serial-console <server_name>
  5. Try to connect via client defined at https://docs.openstack.org/nova/latest/contributor/testing/serial-console.html
  6. It just hangs

  
  Nova-serialproxy logs
  =====================

  Mär 10 14:06:10 ubnt-20 nova-serialproxy[435616]: DEBUG nova.console.websocketproxy [-] 192.168.2.104: new handler Process {{(pid=435616) vmsg /usr/local/lib/python3.8/dist-packages/websockify/websockifyserver.py:605}}
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: INFO nova.console.websocketproxy [-] 192.168.2.104 - - [10/Mar/2023 14:06:10] 192.168.2.104: Plain non-SSL (ws://) WebSocket connection
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: INFO nova.console.websocketproxy [-] 192.168.2.104 - - [10/Mar/2023 14:06:10] 192.168.2.104: Path: '/?token=d0ff9969-9b30-416c-9c45-f97863175eff'
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: INFO dbcounter [None req-48db546e-0d8e-4f0e-9e52-07e1bab54a51 None None] Registered counter for database nova_cell1
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: DEBUG oslo_db.sqlalchemy.engines [None req-48db546e-0d8e-4f0e-9e52-07e1bab54a51 None None] MySQL server mode set to STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_ENGINE_SUBSTITUTION {{(pid=470418) _check_effective_sql_mode /usr/local/lib/python3.8/dist-packages/oslo_db/sqlalchemy/engines.py:335}}
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: DEBUG dbcounter [-] [470418] Writer thread running {{(pid=470418) stat_writer /usr/local/lib/python3.8/dist-packages/dbcounter.py:99}}
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: DEBUG nova.objects.console_auth_token [None req-48db546e-0d8e-4f0e-9e52-07e1bab54a51 None None] Validated token - console connection is ConsoleAuthToken(access_url_base='ws://192.168.2.104:6082/',console_type='serial',created_at=2023-03-10T13:00:38Z,host='127.0.0.1',id=11,instance_uuid=b94e6725-88b2-4fd9-be62-d25a15ab4a8a,internal_access_path=None,port=10001,token='***',updated_at=None) {{(pid=470418) validate /opt/stack/nova/nova/objects/console_auth_token.py:153}}
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: DEBUG oslo_concurrency.lockutils [None req-48db546e-0d8e-4f0e-9e52-07e1bab54a51 None None] Acquiring lock "compute-rpcapi-router" {{(pid=470418) lock /usr/local/lib/python3.8/dist-packages/oslo_concurrency/lockutils.py:312}}
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: DEBUG oslo_concurrency.lockutils [None req-48db546e-0d8e-4f0e-9e52-07e1bab54a51 None None] Acquired lock "compute-rpcapi-router" {{(pid=470418) lock /usr/local/lib/python3.8/dist-packages/oslo_concurrency/lockutils.py:315}}
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: DEBUG oslo_concurrency.lockutils [None req-48db546e-0d8e-4f0e-9e52-07e1bab54a51 None None] Releasing lock "compute-rpcapi-router" {{(pid=470418) lock /usr/local/lib/python3.8/dist-packages/oslo_concurrency/lockutils.py:333}}
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: INFO nova.console.websocketproxy [None req-48db546e-0d8e-4f0e-9e52-07e1bab54a51 None None]  35: connect info: ConsoleAuthToken(access_url_base='ws://192.168.2.104:6082/',console_type='serial',created_at=2023-03-10T13:00:38Z,host='127.0.0.1',id=11,instance_uuid=b94e6725-88b2-4fd9-be62-d25a15ab4a8a,internal_access_path=None,port=10001,token='***',updated_at=None)
  Mär 10 14:06:10 ubnt-20 nova-serialproxy[470418]: INFO nova.console.websocketproxy [None req-48db546e-0d8e-4f0e-9e52-07e1bab54a51 None None]  35: connecting to: 127.0.0.1:10001


  
  Also tried https://blog.oddbit.com/post/2014-12-22-accessing-the-serial-console-o/ and https://github.com/larsks/novaconsole, but faced similar issue

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