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[Cyril Roelandt <1841275@xxxxxxxxxxxxxxxxxx>]

I was able to deploy Devstack with Ceph recently, and USE_PYTHON3 is
True by default. I was then able to create an image, so I'll assume this
bug has been fixed some time in the past 2 years and close it. Feel free
to reopen if needed.

** Changed in: glance
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1841275

Title:
  Glance stop Devstack when using USE_PYTHON3 flag

Status in Glance:
  Fix Released

Bug description:
  Description of the problem:
  --------------------------

  During deploying Devstack with python3 and Ceph plugin, I'm facing
  this error: HTTP 502 Bad Gateway: Bad Gateway: The proxy server
  received an invalid: response from an upstream server when creating
  the Cirros image.

  I'm not using any special specification for Glance, I'm using the
  default configuration.

  
  How to reproduce:
  -----------------

  1. Add USE_PYTHON3=True and the Ceph plugin to the local.conf
  2. Run ./stack
  3. Check the error in the output. 


  Local.conf:
  -----------

  [[local|localrc]]
  VIRT_DRIVER=libvirt
  ADMIN_PASSWORD=secret
  SERVICE_TOKEN=$ADMIN_PASSWORD
  MYSQL_PASSWORD=$ADMIN_PASSWORD
  RABBIT_PASSWORD=$ADMIN_PASSWORD
  SERVICE_PASSWORD=$ADMIN_PASSWORD
  LOGFILE=$DEST/logs/stack.sh.log
  LOGDAYS=2
  SYSLOG=False
  LOG_COLOR=False

  enable_plugin devstack-plugin-ceph
  https://opendev.org/openstack/devstack-plugin-ceph

  CINDER_ENABLED_BACKENDS=ceph
  CINDER_DEFAULT_VOLUME_TYPE=ceph
  enable_service c-bak
  USE_PYTHON3=True 


  Output: 
  -------

  + functions:upload_image:373               :   '[' bare = bare ']'
  + functions:upload_image:374               :   '[' '' = zcat ']'
  + functions:upload_image:376               :   '[' '' = bunzip2 ']'
  + functions:upload_image:379               :   openstack --os-cloud=devstack-admin --os-region-name=RegionOne image create cirros-0.4.0-x86_64-disk --public --container-format=bare --disk-format qcow2
  HTTP 502 Bad Gateway: Bad Gateway: The proxy server received an invalid: response from an upstream server.
  + functions:upload_image:1                 :   exit_trap


  Devstack Output:
  ---------------
  http://paste.openstack.org/show/762535/

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