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Thank you Alex.

I have read around in this mailinglist, that firstboot will be removed. So
I was curious, what way forward to have in case it is depricated.

For modifying overcloud-full.qcow2 with virt-customise it do not look nice,
would be prety to do it on image generation, not sure where tho... maybe
writing own module might do the trick, but I find it as dirty workaround :))

yes, for osp modules, i know how to use puppet to provide needed values. I
thought this might be for everything.

regarding proxy in certain compute, it needs to do dnf update for
centos7-rt repo (yes OS is centos8, but repo it has centos-7)... I am
confused why, but it does so.

On Tue, 14 Jul 2020, 16:23 Alex Schultz, <aschultz at redhat.com> wrote:

> On Tue, Jul 14, 2020 at 6:32 AM Ruslanas Gžibovskis <ruslanas at lpic.lt>
> wrote:
> >
> > Hi all,
> >
> > Borry to keep spamming you all the time.
> > But could you help me to find a correct place to "modify" image content
> (packages installed and not installed) and files and services configured in
> an "adjusted" way so I would have for example:
>
> These don't necessarily need to be done in the image itself but you
> can virt customize the image prior to uploading it to the undercloud
> to inject some things. We provide ways of configuring these things at
> deployment time.
>
> >  - tuned ssh
>
> We have sshd configured via a service. Available options are listed in
> the service file:
>
> https://opendev.org/openstack/tripleo-heat-templates/src/branch/stable/ussuri/deployment/sshd/sshd-baremetal-puppet.yaml
>
> >  - automatically generated root pass to the one I need
>
> This can be done via a firstboot script.
>
> https://docs.openstack.org/project-deploy-guide/tripleo-docs/latest/features/extra_config.html
>
> >  - Also added proxy config to /etc/yum.conf to certain computes, and
> other would be used without proxy (maybe extraconfig option?)
>
> You'd probably want to do this via a first boot as well. If you are
> deploying with overcloud images, technically you shouldn't need a
> proxy on install but you'd likely need one for subsequent updates.
>
> >  - set up kernel parameters, so I would have console output duplicated
> to serial connection and to iDRAC serial, so I could see login screen over
> idrac ssh.
>
> See KernelArgs.
>
> https://opendev.org/openstack/tripleo-heat-templates/src/branch/stable/ussuri/deployment/kernel/kernel-boot-params-baremetal-ansible.yaml#L35
>
>
> https://opendev.org/openstack/tripleo-heat-templates/commit/a3e4a9063612a617105e318e422d90706e4ed43e
>
> >  - and so on.
> >
>
> Your best reference for what is available is likely going to be by
> looking in the THT/deployment folder for the service configurations.
> We don't expose everything but we do allow configurability for a
> significant amount of options.  *ExtraConfig can be used to tweak
> additional options that we don't necessarily expose directly if you
> know what options need to be set via the appropriate puppet modules.
> If there are services we don't actually configure, you can define your
> own custom tripleo service templates and add them to the roles to do
> whatever you want.
>
> > I believe many of those things can be done over extraconfig, I just do
> not know options to modify. maybe you can point me like a blind hen into a
> correct bowl? :)))
> >
> > Thank you in advance.
> >
> > --
> > Ruslanas Gžibovskis
> > +370 6030 7030
>
>
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