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Hi Alex
Thanks for your reply.
I am relatively new to TripleO, Can you please suggest what environment
files are necessary to be passed?

Regards
Anirudh Gupta

On Fri, 22 Oct, 2021, 8:34 pm Alex Schultz, <aschultz at redhat.com> wrote:

> You need to specify the podman environment file for the overcloud deploy.
> You are missing some environment files that are necessary to deploy. You
> can't just run `openstack overcloud deploy --templates`.  You should be
> passing addition files for configuration and networking related parameters.
>
> On Fri, Oct 22, 2021, 8:53 AM Anirudh Gupta <anyrude10 at gmail.com> wrote:
>
>> Hi Team,
>>
>> I am trying to install Tripleo Train Release on Centos 8
>> I have successfully installed Undercloud.
>>
>> For overcloud images, I have downloaded and uploaded images given on
>> rdo_trunk
>> https://images.rdoproject.org/centos8/train/rdo_trunk/current-tripleo/
>>
>> For deployment of overcloud, I executed the command
>>
>> openstack overcloud deploy --templates
>>
>> This command successfully creates a stack, executed the SSH on the
>> machines successfully and then started some ansible tasks.
>> During execution of ansible tasks, it gave a error at below task
>>
>> TASK | manage /etc/docker/daemon.json
>> *The error message clearly states that directory /etc/docker is not
>> found.*
>>
>> This task is present at path "
>> */usr/share/ansible/roles/container-registry/tasks/docker.yml"*
>>
>> Since, in Centos 8 docker has been replaced with Podman, this error is
>> bound to happen
>> Commenting this particular task can be a workaround, but I have no idea
>> what would be the impact of this.
>> There are multiple tasks which makes use of /etc/docker directory
>>
>> Is there any way to resolve this?
>>
>>
>>
>>
>>
>>
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