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[Openstack] Fatal error during container create (ansible-openstack on bionic)


Hi Mohammed,

Xenial doesn't fit my needs in other ways, so reverting to it isn't an 
option, and I also want to use bionic's spin of openstack rather than 
run with packages from another repo, nor wait for an unspecified period 
for Rocky's appearance. I am prepared to invest some time in debugging 
this build, but I was hoping for some assistance here out of courtesy.

The only reason I looked at os-a was that configuring openstack on its 
own was unfathomably complex. Even with ansible it is still very complex 
for what I feel should be a simple task. I don't really understand why 
there isn't a default usable (i.e. one-box cloud) configuration in the 
.rpm/.deb packages which users can then extend and adapt, as with other 
similar tools.

Where would I look for the current work on the os-a rocky update? 
perhaps I can derive something useful from that.

Regards,
Ruth


On 11/07/2018 20:35, Mohammed Naser wrote:
> Hi there,
>
> Bionic isn't current supported and we're working on adding support for
> it in the Rocky cycle!  We recommend you deploy on Xenial.
>
> Thanks,
> Mohammed
>
> On Wed, Jul 11, 2018 at 11:44 AM, Ruth Ivimey-Cook <ruth at ivimey.org> wrote:
>> I am getting a fatal error in lxc_create when running openstack-ansible
>> playbooks/setup-hosts.yml and hoping someone can push me in the right
>> direction. Logs below...
>>
>> I am interpreting the fatal error as some sort of missing config, which is
>> why I included the warnings that happened earlier in the above. Is that
>> right? Is there any way I can isolate where exactly in the ansible setup
>> this happens?
>>
>> The only significant changes I've made to the ansible setup are
>>
>> - comment out `linux-image-extra-{{ ansible_kernel }}` package from the
>> ubuntu config as it no longer exists.
>> - create /etc/ansible/.../*ubuntu-18.04.yml files by copying the equivalent
>> ubuntu-16.04.yml file, where no 18.04 version was already present.
>>
>>> ~/openstack-ansible$ sudo openstack-ansible playbooks/setup-hosts.yml
>>>
>>> Variable files: "-e @/etc/openstack_deploy/user_secrets.yml -e
>>> @/etc/openstack_deploy/user_variables.yml "
>>>
>>>   [WARNING]: Unable to parse /etc/openstack_deploy/inventory.ini as an
>>> inventory source
>>> [DEPRECATION WARNING]: 'include' for playbook includes. You should use
>>> 'import_playbook' instead. This
>>>
>>> feature will be removed in version 2.8. Deprecation warnings can be
>>> disabled by setting
>>>
>>> deprecation_warnings=False in ansible.cfg.
>>>
>>>   [WARNING]: Could not match supplied host pattern, ignoring:
>>> all_lxc_containers
>>>
>>>   [WARNING]: Could not match supplied host pattern, ignoring:
>>> all_nspawn_containers
>>>
>>> PLAY [Install Ansible prerequisites]
>>> *************************************************************************
>>>
>>> TASK [Ensure python is installed]
>>> ****************************************************************************
>>>
>>> ok: [aio1]
>>
>> ... lots of stuff that works...
>>
>>> TASK [Create the new LXC service log directory]
>>> **************************************************************
>>>
>>> ok: [aio1]
>>>
>>> TASK [Create the LXC service log aggregation link]
>>> ***********************************************************
>>>
>>> ok: [aio1]
>>>
>>> TASK [apt_package_pinning : Add apt pin preferences]
>>> *********************************************************
>>>
>>> TASK [lxc_hosts : Check for the presence of a public key file on the
>>> deployment host] ************************
>>>
>>> ok: [aio1 -> localhost]
>>>
>>> TASK [lxc_hosts : Fail if a ssh public key is not set in a var and is not
>>> present on the deployment host] ****
>>>
>>> TASK [lxc_hosts : Gather variables for each operating system]
>>> ************************************************
>>>
>>> ok: [aio1] =>
>>> (item=/etc/ansible/roles/lxc_hosts/vars/ubuntu-18.04-host.yml)
>>>
>>> TASK [lxc_hosts : Gather container variables]
>>> ****************************************************************
>>>
>>>   [WARNING]: Invalid request to find a file that matches a "null" value
>>>
>>> ok: [aio1] => (item=/etc/ansible/roles/lxc_hosts/vars/ubuntu-18.04.yml)
>>>
>>> TASK [lxc_hosts : include_tasks]
>>> *****************************************************************************
>>>
>>> included: /etc/ansible/roles/lxc_hosts/tasks/lxc_pre_install.yml for aio1
>> A little later in the same run:
>>
>>> TASK [lxc_container_create : Check the physical_host variable is set]
>>> ****************************************
>>>
>>> TASK [lxc_container_create : Collect physical host facts if missing]
>>> *****************************************
>>>
>>> TASK [lxc_container_create : Kernel version and LXC backing store check]
>>> *************************************
>>>
>>> TASK [lxc_container_create : Gather variables for each operating system]
>>> *************************************
>>>
>>>   [WARNING]: Invalid request to find a file that matches a "null" value
>>>
>>>   [WARNING]: Invalid request to find a file that matches a "null" value
>>>
>>> ok: [aio1_cinder_api_container-3255dd97] =>
>>> (item=/etc/ansible/roles/lxc_container_create/vars/ubuntu-18.04.yml)
>>>
>>>   [WARNING]: Invalid request to find a file that matches a "null" value
>>>
>>> ok: [aio1_designate_container-54f1c305] =>
>>> (item=/etc/ansible/roles/lxc_container_create/vars/ubuntu-18.04.yml)
>>>
>>>   [WARNING]: Invalid request to find a file that matches a "null" value
>>>
>>>   [WARNING]: Invalid request to find a file that matches a "null" value
>> And then, finally, the fatal error:
>>
>>> TASK [lxc_container_create : include_tasks]
>>> ******************************************************************
>>>
>>> included:
>>> /etc/ansible/roles/lxc_container_create/tasks/lxc_container_create_dir.yml
>>> for aio1_cinder_api_container-3255dd97, aio1_designate_container-54f1c305,
>>> aio1_galera_container-b332cdef, aio1_glance_container-8d10cc70,
>>> aio1_heat_api_container-362fdd4a, aio1_horizon_container-d76a2adc,
>>> aio1_keystone_container-78616d24, aio1_memcached_container-916a4563,
>>> aio1_neutron_server_container-3bf65b1d, aio1_nova_api_container-91ebf932,
>>> aio1_repo_container-f56147bc, aio1_rabbit_mq_container-bfd8534a,
>>> aio1_rsyslog_container-ce40ff7f, aio1_swift_proxy_container-eada6cf1,
>>> aio1_utility_container-195113e0
>>>
>>> TASK [lxc_container_create : Create container (dir)]
>>> *********************************************************
>>>
>>> fatal: [aio1_cinder_api_container-3255dd97 -> 172.29.236.100]: FAILED! =>
>>> {"changed": false, "module_stderr": "Shared connection to 172.29.236.100
>>> closed.\r\n", "module_stdout": "Failed to load config for
>>> aio1_cinder_api_container-3255dd97\r\n443: error creating container
>>> aio1_cinder_api_container-3255dd97\r\nTraceback (most recent call last):\r\n
>>> File \"/tmp/ansible_GSPHbc/ansible_module_lxc_container.py\", line 1772, in
>>> <module>\r\n    main()\r\n  File
>>> \"/tmp/ansible_GSPHbc/ansible_module_lxc_container.py\", line 1767, in
>>> main\r\n    lxc_manage = LxcContainerManagement(module=module)\r\n  File
>>> \"/tmp/ansible_GSPHbc/ansible_module_lxc_container.py\", line 619, in
>>> __init__\r\n    self.container = self.get_container_bind()\r\n File
>>> \"/tmp/ansible_GSPHbc/ansible_module_lxc_container.py\", line 624, in
>>> get_container_bind\r\n    return lxc.Container(name=self.container_name)\r\n
>>> File \"/usr/lib/python2.7/dist-packages/lxc/__init__.py\", line 153, in
>>> __init__\r\n    _lxc.Container.__init__(self, name)\r\nSystemError: NULL
>>> result without error in PyObject_Call\r\n", "msg": "MODULE FAILURE", "rc":
>>> 1}
>> Context: I want to run openstack on ubuntu bionic, and using ansible seemed
>> to be the best way forward. I know openstack-ansible is only supported on
>> xenial, but as I'm a software developer I thought I'd give it a go. I first
>> commented out the OS checks... and have got a good deal of progress since.
>> However, I have hit a problem and am hoping someone can help.
>>
>> I also posted this question on the ask.openstack pages but it's still
>> awaiting moderation :(
>>
>> https://ask.openstack.org/en/question/115193/fatal-error-during-container-create-ansible-openstack-on-bionic/
>>
>>
>> _______________________________________________
>> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>> Post to     : openstack at lists.openstack.org
>> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack





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