Dear Cephalopodians, as we all know, ceph-deploy is on its demise since a while and essentially in "maintenance mode".
We've been eyeing the "ssh orchestrator" which was in Nautilus as the
"successor in spirit" of ceph-deploy.
While we have not tried it out just yet, I find this module seems to be gone
without a trace in Octopus.
There's still an Orchestrator module, but this seems to work "only" with
containers.
Is this true, or is there still an SSH orchestrator capable of bare-metal
operation in Octopus (or are there plans to have something like this)?
While I see many advantages of containers in many areas, and certainly also for
smaller setups or test setups with Ceph,
as any technology, they come with their own problems.
Example issues (which all can be solved, but require extra work from the
administrator) are:
- Operation on machines without connectivity to the internet (you'd need to
mirror the containers or run your own registry),
- Ensuring automated security updates both outside the containers and inside
the containers, or re-pull them regularly (and monitor that),
- Integrate with existing logging and configuration management systems,
- Potential hardware issues, such das InfiniBand RDMA.
There's surely more (and there are also as many benefits), and as I said, all
can be solved; the point I want to make is:
Containers are not the best solution in all environments and also not for all
admins.
So my question is: Is there something like the SSH orchestrator still
available?
I guess essentially the cephadm orchestrator does something similar behind the
screnes, with the added bells and whistles to manage the containers.
Of course, a reduced feature-set would be expected (e.g. no "ceph orch
upgrade"), but it would jump into the hole ceph-deploy has left.
Maybe this is as easy as setting a configuration knob? Or is it also possible
to switch to a "bare-metal edition" of cephadm (which might rely on users
or existing configuration management to install the packages, e.g.)?
Cheers,
Oliver
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