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[Bug 1456963] [NEW] VNC Console failed to load with IPv6 Addresses

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Public bug reported:

Description of problem:
After installation with packstack of openstack over IPv6 address(All components using IPv6) VNC console is unreachable

Version-Release number of selected component (if applicable):
Packstack version-
packstack Kilo 2015.1.dev1537.gba5183c
RHEL version -
Red Hat Enterprise Linux Server release 7.1 (Maipo)
openstack versions:
2015.1.0
novnc-0.5.1-2.el7.noarch
openstack-nova-cert-2015.1.0-3.el7.noarch
openstack-nova-compute-2015.1.0-3.el7.noarch
openstack-nova-common-2015.1.0-3.el7.noarch
python-nova-2015.1.0-3.el7.noarch
openstack-nova-novncproxy-2015.1.0-3.el7.noarch
openstack-nova-console-2015.1.0-3.el7.noarch
openstack-nova-scheduler-2015.1.0-3.el7.noarch
openstack-nova-conductor-2015.1.0-3.el7.noarch
openstack-nova-api-2015.1.0-3.el7.noarch
python-novaclient-2.23.0-1.el7.noarch


How reproducible:
Try to open noVNC console via the web browser with IPv6 address

Steps to Reproduce:
1. Install openstack with IPv6 addresses for all components
2. Login to the horizon dashboard using IPv6
3. Launch an instance
4. try to activate console

Actual results:
Console failed to connect - error 1006

Expected results:
Console should connect successfully

Additional info:

nova novnc log:
2015-05-12 10:25:33.961 15936 INFO nova.console.websocketproxy [-] WebSocket server settings:
2015-05-12 10:25:33.962 15936 INFO nova.console.websocketproxy [-]   - Listen on ::0:6080
2015-05-12 10:25:33.962 15936 INFO nova.console.websocketproxy [-]   - Flash security policy server
2015-05-12 10:25:33.962 15936 INFO nova.console.websocketproxy [-]   - Web server. Web root: /usr/share/novnc
2015-05-12 10:25:33.963 15936 INFO nova.console.websocketproxy [-]   - No SSL/TLS support (no cert file)
2015-05-12 10:25:33.965 15936 INFO nova.console.websocketproxy [-]   - proxying from ::0:6080 to None:None
2015-05-13 10:33:12.084 15936 CRITICAL nova [-] UnboundLocalError: local variable 'exc' referenced before assignment
2015-05-13 10:33:12.084 15936 TRACE nova Traceback (most recent call last):
2015-05-13 10:33:12.084 15936 TRACE nova   File "/usr/bin/nova-novncproxy", line 10, in <module>
2015-05-13 10:33:12.084 15936 TRACE nova     sys.exit(main())
2015-05-13 10:33:12.084 15936 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/cmd/novncproxy.py", line 49, in main
2015-05-13 10:33:12.084 15936 TRACE nova     port=CONF.novncproxy_port)
2015-05-13 10:33:12.084 15936 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/cmd/baseproxy.py", line 72, in proxy
2015-05-13 10:33:12.084 15936 TRACE nova     RequestHandlerClass=websocketproxy.NovaProxyRequestHandler
2015-05-13 10:33:12.084 15936 TRACE nova   File "/usr/lib/python2.7/site-packages/websockify/websocket.py", line 1018, in start_server
2015-05-13 10:33:12.084 15936 TRACE nova     self.msg("handler exception: %s", str(exc))
2015-05-13 10:33:12.084 15936 TRACE nova UnboundLocalError: local variable 'exc' referenced before assignment
2015-05-13 10:33:12.084 15936 TRACE nova 
2015-05-13 10:52:41.893 3696 INFO nova.console.websocketproxy [-] WebSocket server settings:
2015-05-13 10:52:41.893 3696 INFO nova.console.websocketproxy [-]   - Listen on ::0:6080
2015-05-13 10:52:41.894 3696 INFO nova.console.websocketproxy [-]   - Flash security policy server
2015-05-13 10:52:41.894 3696 INFO nova.console.websocketproxy [-]   - Web server. Web root: /usr/share/novnc
2015-05-13 10:52:41.894 3696 INFO nova.console.websocketproxy [-]   - No SSL/TLS support (no cert file)
2015-05-13 10:52:41.920 3696 INFO nova.console.websocketproxy [-]   - proxying from ::0:6080 to None:None
2015-05-13 10:54:04.345 3979 INFO oslo_messaging._drivers.impl_rabbit [req-e47dae76-1c51-4ce8-9100-d98022fc6e34 - - - - -] Connecting to AMQP server on 2001:77:77:77:f816:3eff:fe95:8683:5672
2015-05-13 10:54:04.380 3979 INFO oslo_messaging._drivers.impl_rabbit [req-e47dae76-1c51-4ce8-9100-d98022fc6e34 - - - - -] Connected to AMQP server on 2001:77:77:77:f816:3eff:fe95:8683:5672
2015-05-13 10:54:04.388 3979 INFO oslo_messaging._drivers.impl_rabbit [req-e47dae76-1c51-4ce8-9100-d98022fc6e34 - - - - -] Connecting to AMQP server on 2001:77:77:77:f816:3eff:fe95:8683:5672
2015-05-13 10:54:04.408 3979 INFO oslo_messaging._drivers.impl_rabbit [req-e47dae76-1c51-4ce8-9100-d98022fc6e34 - - - - -] Connected to AMQP server on 2001:77:77:77:f816:3eff:fe95:8683:5672
2015-05-13 10:54:04.554 3979 INFO nova.console.websocketproxy [req-e47dae76-1c51-4ce8-9100-d98022fc6e34 - - - - -] handler exception: Origin header does not match this host.


I'm attaching nova.conf and vnc log.

** Affects: nova
     Importance: Undecided
         Status: New

** Attachment added: "nova.conf"
   https://bugs.launchpad.net/bugs/1456963/+attachment/4400878/+files/nova.conf

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https://bugs.launchpad.net/bugs/1456963

Title:
  VNC Console failed to load with IPv6 Addresses

Status in OpenStack Compute (Nova):
  New

Bug description:
  Description of problem:
  After installation with packstack of openstack over IPv6 address(All components using IPv6) VNC console is unreachable

  Version-Release number of selected component (if applicable):
  Packstack version-
  packstack Kilo 2015.1.dev1537.gba5183c
  RHEL version -
  Red Hat Enterprise Linux Server release 7.1 (Maipo)
  openstack versions:
  2015.1.0
  novnc-0.5.1-2.el7.noarch
  openstack-nova-cert-2015.1.0-3.el7.noarch
  openstack-nova-compute-2015.1.0-3.el7.noarch
  openstack-nova-common-2015.1.0-3.el7.noarch
  python-nova-2015.1.0-3.el7.noarch
  openstack-nova-novncproxy-2015.1.0-3.el7.noarch
  openstack-nova-console-2015.1.0-3.el7.noarch
  openstack-nova-scheduler-2015.1.0-3.el7.noarch
  openstack-nova-conductor-2015.1.0-3.el7.noarch
  openstack-nova-api-2015.1.0-3.el7.noarch
  python-novaclient-2.23.0-1.el7.noarch

  
  How reproducible:
  Try to open noVNC console via the web browser with IPv6 address

  Steps to Reproduce:
  1. Install openstack with IPv6 addresses for all components
  2. Login to the horizon dashboard using IPv6
  3. Launch an instance
  4. try to activate console

  Actual results:
  Console failed to connect - error 1006

  Expected results:
  Console should connect successfully

  Additional info:

  nova novnc log:
  2015-05-12 10:25:33.961 15936 INFO nova.console.websocketproxy [-] WebSocket server settings:
  2015-05-12 10:25:33.962 15936 INFO nova.console.websocketproxy [-]   - Listen on ::0:6080
  2015-05-12 10:25:33.962 15936 INFO nova.console.websocketproxy [-]   - Flash security policy server
  2015-05-12 10:25:33.962 15936 INFO nova.console.websocketproxy [-]   - Web server. Web root: /usr/share/novnc
  2015-05-12 10:25:33.963 15936 INFO nova.console.websocketproxy [-]   - No SSL/TLS support (no cert file)
  2015-05-12 10:25:33.965 15936 INFO nova.console.websocketproxy [-]   - proxying from ::0:6080 to None:None
  2015-05-13 10:33:12.084 15936 CRITICAL nova [-] UnboundLocalError: local variable 'exc' referenced before assignment
  2015-05-13 10:33:12.084 15936 TRACE nova Traceback (most recent call last):
  2015-05-13 10:33:12.084 15936 TRACE nova   File "/usr/bin/nova-novncproxy", line 10, in <module>
  2015-05-13 10:33:12.084 15936 TRACE nova     sys.exit(main())
  2015-05-13 10:33:12.084 15936 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/cmd/novncproxy.py", line 49, in main
  2015-05-13 10:33:12.084 15936 TRACE nova     port=CONF.novncproxy_port)
  2015-05-13 10:33:12.084 15936 TRACE nova   File "/usr/lib/python2.7/site-packages/nova/cmd/baseproxy.py", line 72, in proxy
  2015-05-13 10:33:12.084 15936 TRACE nova     RequestHandlerClass=websocketproxy.NovaProxyRequestHandler
  2015-05-13 10:33:12.084 15936 TRACE nova   File "/usr/lib/python2.7/site-packages/websockify/websocket.py", line 1018, in start_server
  2015-05-13 10:33:12.084 15936 TRACE nova     self.msg("handler exception: %s", str(exc))
  2015-05-13 10:33:12.084 15936 TRACE nova UnboundLocalError: local variable 'exc' referenced before assignment
  2015-05-13 10:33:12.084 15936 TRACE nova 
  2015-05-13 10:52:41.893 3696 INFO nova.console.websocketproxy [-] WebSocket server settings:
  2015-05-13 10:52:41.893 3696 INFO nova.console.websocketproxy [-]   - Listen on ::0:6080
  2015-05-13 10:52:41.894 3696 INFO nova.console.websocketproxy [-]   - Flash security policy server
  2015-05-13 10:52:41.894 3696 INFO nova.console.websocketproxy [-]   - Web server. Web root: /usr/share/novnc
  2015-05-13 10:52:41.894 3696 INFO nova.console.websocketproxy [-]   - No SSL/TLS support (no cert file)
  2015-05-13 10:52:41.920 3696 INFO nova.console.websocketproxy [-]   - proxying from ::0:6080 to None:None
  2015-05-13 10:54:04.345 3979 INFO oslo_messaging._drivers.impl_rabbit [req-e47dae76-1c51-4ce8-9100-d98022fc6e34 - - - - -] Connecting to AMQP server on 2001:77:77:77:f816:3eff:fe95:8683:5672
  2015-05-13 10:54:04.380 3979 INFO oslo_messaging._drivers.impl_rabbit [req-e47dae76-1c51-4ce8-9100-d98022fc6e34 - - - - -] Connected to AMQP server on 2001:77:77:77:f816:3eff:fe95:8683:5672
  2015-05-13 10:54:04.388 3979 INFO oslo_messaging._drivers.impl_rabbit [req-e47dae76-1c51-4ce8-9100-d98022fc6e34 - - - - -] Connecting to AMQP server on 2001:77:77:77:f816:3eff:fe95:8683:5672
  2015-05-13 10:54:04.408 3979 INFO oslo_messaging._drivers.impl_rabbit [req-e47dae76-1c51-4ce8-9100-d98022fc6e34 - - - - -] Connected to AMQP server on 2001:77:77:77:f816:3eff:fe95:8683:5672
  2015-05-13 10:54:04.554 3979 INFO nova.console.websocketproxy [req-e47dae76-1c51-4ce8-9100-d98022fc6e34 - - - - -] handler exception: Origin header does not match this host.

  
  I'm attaching nova.conf and vnc log.

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