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I am trying to build an image for ubuntu trusty and xenial that works
with OS::Heat::SoftwareDeployment using diskimage-builder. I installed
diskimage-builde with

pip install diskimage-builder

an run the following scripts to build the images:

export DISTRIBUTION="ubuntu"
export DIB_RELEASE="trusty"

git clone https://git.openstack.org/openstack/tripleo-image-elements.git
git clone https://git.openstack.org/openstack/heat-agents.git

export ELEMENTS_PATH=tripleo-image-elements/elements:heat-agents/
export BASE_ELEMENTS="$DISTRIBUTION selinux-permissive"
export AGENT_ELEMENTS="os-collect-config os-refresh-config os-apply-config"
export DEPLOYMENT_BASE_ELEMENTS="heat-config heat-config-script heat-config-ansible"
export DEPLOYMENT_TOOL=""

TIMESTAMP=$(date +%Y%m%d%H%M%S)
export IMAGE_NAME="$DISTRIBUTION-$DIB_RELEASE_$TIMESTAMP"

disk-image-create vm $BASE_ELEMENTS $AGENT_ELEMENTS \
     $DEPLOYMENT_BASE_ELEMENTS $DEPLOYMENT_TOOL -t raw -o $IMAGE_NAME.raw

openstack image create --disk-format raw --container-format bare \
    $IMAGE_NAME < $IMAGE_NAME.raw


To build xenial I just set DIB_RELEASE to "xenial". The build process runs fine and the images a uploaded. Then I deploy instances from both images and check the os-collect-config service. On trusty the service is running and executing os-collect-config manually results in a successful run as expected.

On xenial though, this is what I see:

root@test:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.2 LTS
Release:    16.04
Codename:   xenial
root@test:~# os-collect-config --debug --force
Source [heat_local] Unavailable.
Traceback (most recent call last):
  File "/usr/local/bin/os-collect-config", line 11, in <module>
    sys.exit(__main__())
  File "/opt/stack/venvs/os-collect-config/lib/python3.5/site-packages/os_collect_config/collect.py", line 262, in __main__
    collector_kwargs_map=collector_kwargs_map)
  File "/opt/stack/venvs/os-collect-config/lib/python3.5/site-packages/os_collect_config/collect.py", line 166, in collect_all
    content = module.Collector(**collector_kwargs).collect()
  File "/opt/stack/venvs/os-collect-config/lib/python3.5/site-packages/os_collect_config/ec2.py", line 75, in collect
    md = config_drive.get_metadata()
  File "/opt/stack/venvs/os-collect-config/lib/python3.5/site-packages/os_collect_config/config_drive.py", line 173, in get_metadata
    bd = config_drive()
  File "/opt/stack/venvs/os-collect-config/lib/python3.5/site-packages/os_collect_config/config_drive.py", line 166, in config_drive
    for bd in all_block_devices():
  File "/opt/stack/venvs/os-collect-config/lib/python3.5/site-packages/os_collect_config/config_drive.py", line 155, in all_block_devices
    for device in out.split('\n\n'):
TypeError: a bytes-like object is required, not 'str'
root@test:~#

I have no idea what this means or where it might come from. Any help is
very much appreciated.

Got the hint that it might be an os-collect-config bug where it seems it
is not python3 compatible because xenial only ships with python3 by
default. Therfore, I exported DIB_PYTHON_VERSION=2 before running the
diskimage-create command, but the image is still broken. Here is the
output:
https://gist.github.com/anonymous/f413b6f76194f6ef3391495670250655

Any ideas?

** Affects: glance
     Importance: Undecided
         Status: New

-- 
diskimage-builder: Software Deployments Broken In Xenial
https://bugs.launchpad.net/bugs/1687554
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